{"id":19418,"date":"2025-05-09T09:02:25","date_gmt":"2025-05-09T09:02:25","guid":{"rendered":"https:\/\/janhenvalve.com\/?p=19418"},"modified":"2025-07-07T04:00:38","modified_gmt":"2025-07-07T04:00:38","slug":"tieu-chuan-van-en","status":"publish","type":"post","link":"https:\/\/janhenvalve.com\/vi_vn\/en-valve-standards\/","title":{"rendered":"Ph\u00e2n t\u00edch to\u00e0n di\u1ec7n c\u00e1c ti\u00eau chu\u1ea9n van EN: C\u00e1c h\u1ec7 th\u1ed1ng k\u1ef9 thu\u1eadt c\u1ea7n bi\u1ebft \u0111\u1ec3 ti\u1ebfp c\u1eadn th\u1ecb tr\u01b0\u1eddng EU"},"content":{"rendered":"<h1><b>Thi\u1ebft k\u1ebf n\u1ec1n m\u00f3ng v\u00e0 ranh gi\u1edbi ch\u1ecbu l\u1ef1c<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-19571\" src=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/04\/ca5e344d405f4812c09e9284d5fe1dd.png\" alt=\"Thi\u1ebft k\u1ebf m\u00f3ng van, thi\u1ebft k\u1ebf \u0111\u01b0\u1eddng \u1ed1ng\" width=\"2000\" height=\"800\" srcset=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/04\/ca5e344d405f4812c09e9284d5fe1dd.png 2000w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/04\/ca5e344d405f4812c09e9284d5fe1dd-768x307.png 768w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/04\/ca5e344d405f4812c09e9284d5fe1dd-1536x614.png 1536w\" sizes=\"auto, (max-width: 2000px) 100vw, 2000px\" \/><\/b><\/h1>\n<p><span style=\"font-weight: 400;\">\u0110\u1ea3m b\u1ea3o van c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c \u00e1p su\u1ea5t, nhi\u1ec7t \u0111\u1ed9 v\u00e0 t\u1ea3i tr\u1ecdng c\u01a1 h\u1ecdc trong su\u1ed1t v\u00f2ng \u0111\u1eddi c\u1ee7a n\u00f3 \u0111\u1ec3 tr\u00e1nh nguy c\u01a1 h\u1ecfng h\u00f3c.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n s\u1ed1.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u00ean ti\u00eau chu\u1ea9n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ph\u1ea1m vi c\u00f4ng ngh\u1ec7 c\u1ed1t l\u00f5i<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 12516-1<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u00ednh to\u00e1n \u0111\u1ed9 b\u1ec1n v\u1ecf van<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00f4ng th\u1ee9c t\u00ednh \u0111\u1ed9 d\u00e0y th\u00e0nh, ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra \u1ee9ng su\u1ea5t (d\u1ef1a tr\u00ean ch\u1ec9 th\u1ecb PED)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 12516-2<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Chi\u1ec1u d\u00e0i c\u1ea5u tr\u00fac van \u0111\u1ea7u m\u1eb7t b\u00edch<\/span><\/td>\n<td><span style=\"font-weight: 400;\">B\u1ea3ng so s\u00e1nh k\u00edch th\u01b0\u1edbc gi\u1eefa d\u00f2ng PN v\u00e0 d\u00f2ng Class, y\u00eau c\u1ea7u v\u1ec1 \u0111\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t l\u00e0m k\u00edn m\u1eb7t b\u00edch (Ra 3.2\u03bcm)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 12516-3<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Chi\u1ec1u d\u00e0i c\u1ea5u tr\u00fac van d\u1ea1ng t\u1ea5m<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt thi\u1ebft k\u1ebf m\u1ecfng cho van b\u01b0\u1edbm\/van m\u1ed9t chi\u1ec1u<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 12516-4<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Van c\u00f3 \u0111\u1ea7u ren\/h\u00e0n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00e1c quy t\u1eafc t\u01b0\u01a1ng th\u00edch gi\u1eefa ren NPT v\u00e0 ren ISO 7-1, lo\u1ea1i r\u00e3nh h\u00e0n (ki\u1ec3u V\/ki\u1ec3u U) v\u00e0 x\u1eed l\u00fd nhi\u1ec7t sau h\u00e0n (PWHT).<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 1291<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u00eau ch\u00ed ch\u1ea5p nh\u1eadn ki\u1ec3m tra kh\u00f4ng ph\u00e1 h\u1ee7y (NDT)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Gi\u1edbi h\u1ea1n ch\u1ea5p nh\u1eadn khuy\u1ebft t\u1eadt (RT\/UT\/MT), quy tr\u00ecnh ki\u1ec3m tra v\u00e0 c\u00e1c quy t\u1eafc \u0111\u00e1nh gi\u00e1 \u0111\u1ed1i v\u1edbi v\u1eadt \u0111\u00fac\/m\u1ed1i h\u00e0n.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">T\u00e1c \u0111\u1ed9ng \u0111\u1ebfn ng\u00e0nh c\u00f4ng nghi\u1ec7p: Ch\u1ec9 th\u1ecb PED c\u1ee7a EU (2014\/68\/EU) y\u00eau c\u1ea7u tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n EN 12516.<\/span><\/p>\n<h3><b>EN 12516-1 &#8220;Valve Shell Strength Calculation&#8221;<\/b><\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-19572\" src=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/04\/25e50a38a58c047863c99f5011bb23b.png\" alt=\"\u0110\u1ed9 b\u1ec1n v\u1ecf van, kh\u1ed1i l\u01b0\u1ee3ng v\u1ecf van, \u0111\u1ed9 d\u00e0y v\u1ecf van\" width=\"2000\" height=\"800\" srcset=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/04\/25e50a38a58c047863c99f5011bb23b.png 2000w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/04\/25e50a38a58c047863c99f5011bb23b-768x307.png 768w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/04\/25e50a38a58c047863c99f5011bb23b-1536x614.png 1536w\" sizes=\"auto, (max-width: 2000px) 100vw, 2000px\" \/><\/p>\n<p><b>C\u00e1c l\u0129nh v\u1ef1c c\u00f4ng ngh\u1ec7 c\u1ed1t l\u00f5i:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00f4ng th\u1ee9c t\u00ednh \u0111\u1ed9 d\u00e0y th\u00e0nh:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Based on the elastic stress analysis of Lam\u00e9&#8217;s formula, the minimum wall thickness is derived:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"3\"><i><span style=\"font-weight: 400;\">P<\/span><\/i> <span style=\"font-weight: 400;\">: \u00c1p su\u1ea5t thi\u1ebft k\u1ebf (bar)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"3\"><i><span style=\"font-weight: 400;\">D<\/span><\/i> <span style=\"font-weight: 400;\">\u0110\u01b0\u1eddng k\u00ednh trong c\u1ee7a th\u00e2n van (mm)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"3\"><i><span style=\"font-weight: 400;\">S<\/span><\/i> <span style=\"font-weight: 400;\">: \u1ee8ng su\u1ea5t v\u1eadt li\u1ec7u cho ph\u00e9p (N\/mm\u00b2, tham kh\u1ea3o EN 10213\/EN 10222)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"3\"><i><span style=\"font-weight: 400;\">C<\/span><\/i> <span style=\"font-weight: 400;\">: Dung sai \u0103n m\u00f2n (\u22651,5mm, m\u00f4i tr\u01b0\u1eddng h\u00f3a ch\u1ea5t c\u1ea7n \u0111\u01b0\u1ee3c t\u0103ng l\u00ean 3mm)<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">So s\u00e1nh v\u1edbi ti\u00eau chu\u1ea9n ASME B16.34: Ti\u00eau chu\u1ea9n EN c\u00f3 y\u00eau c\u1ea7u nghi\u00eam ng\u1eb7t h\u01a1n v\u1ec1 h\u1ec7 s\u1ed1 t\u1eadp trung \u1ee9ng su\u1ea5t c\u1ee7a th\u00e2n van h\u00e0n (gi\u1edbi h\u1ea1n \u1edf m\u1ee9c nh\u1ecf h\u01a1n 1,2 l\u1ea7n).<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ph\u01b0\u01a1ng ph\u00e1p x\u00e1c minh:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Ph\u00e2n t\u00edch ph\u1ea7n t\u1eed h\u1eefu h\u1ea1n (FEA): Ph\u1ea3i \u0111\u00e1p \u1ee9ng Ti\u00eau ch\u00ed s\u1ee5p \u0111\u1ed5 d\u1ebbo c\u1ee7a EN 13445-3.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Ki\u1ec3m tra \u00e1p su\u1ea5t n\u1ed5: \u00c1p su\u1ea5t n\u1ed5 \u0111o \u0111\u01b0\u1ee3c \u2265 4 l\u1ea7n \u00e1p su\u1ea5t thi\u1ebft k\u1ebf (\u00e1p d\u1ee5ng cho van cao \u00e1p lo\u1ea1i 900 tr\u1edf l\u00ean).<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b>C\u00e1c tr\u01b0\u1eddng h\u1ee3p \u1ee9ng d\u1ee5ng:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00f4ng nghi\u1ec7p h\u00f3a d\u1ea7u: Van \u0111\u1ea7u v\u00e0o l\u00f2 ph\u1ea3n \u1ee9ng hydro h\u00f3a (\u00e1p su\u1ea5t thi\u1ebft k\u1ebf 420 bar, v\u1eadt li\u1ec7u th\u00e9p P91, S=145 N\/mm\u00b2).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">L\u01b0u tr\u1eef v\u00e0 v\u1eadn chuy\u1ec3n LNG: van d\u1eebng \u0111\u00f4ng l\u1ea1nh (-196\u2103, v\u1eadt li\u1ec7u ASTM A351 CF8M, h\u1ec7 s\u1ed1 hi\u1ec7u ch\u1ec9nh S \u00d7 0,7).<\/span><\/li>\n<\/ul>\n<p><b>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">H\u1ecfi: L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 x\u1eed l\u00fd s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 \u0111\u1ed9 d\u00e0y th\u00e0nh gi\u1eefa ti\u00eau chu\u1ea9n EN 12516-1 v\u00e0 ASME B16.34?<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">A: C\u00e1c van ASME xu\u1ea5t kh\u1ea9u sang EU c\u1ea7n ph\u1ea3i t\u00ednh to\u00e1n l\u1ea1i \u0111\u1ed9 d\u00e0y th\u00e0nh van, th\u00f4ng th\u01b0\u1eddng c\u1ea7n ph\u1ea3i l\u00e0m d\u00e0y th\u00eam t\u1eeb 10% \u0111\u1ebfn 15%.<\/span><\/li>\n<\/ul>\n<h3><b>EN 12516-2 &#8220;Structural length of flange-end valves&#8221;\u200b\u200b<\/b><\/h3>\n<p><b>C\u00e1c l\u0129nh v\u1ef1c c\u00f4ng ngh\u1ec7 c\u1ed1t l\u00f5i:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0110\u1ecbnh ngh\u0129a chu\u1ed7i k\u00edch th\u01b0\u1edbc:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">M\u1ee9c \u00e1p su\u1ea5t<\/span><\/td>\n<td><span style=\"font-weight: 400;\">PN10<\/span><\/td>\n<td><span style=\"font-weight: 400;\">PN16<\/span><\/td>\n<td><span style=\"font-weight: 400;\">PN25<\/span><\/td>\n<td><span style=\"font-weight: 400;\">PN40<\/span><\/td>\n<td><span style=\"font-weight: 400;\">PN63<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Chi\u1ec1u d\u00e0i c\u1ea5u tr\u00fac<\/span><\/td>\n<td><span style=\"font-weight: 400;\">108mm<\/span><\/td>\n<td><span style=\"font-weight: 400;\">117mm<\/span><\/td>\n<td><span style=\"font-weight: 400;\">152mm<\/span><\/td>\n<td><span style=\"font-weight: 400;\">189mm<\/span><\/td>\n<td><span style=\"font-weight: 400;\">216mm<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">(L\u1ea5y van c\u1ed5ng DN50 l\u00e0m v\u00ed d\u1ee5, sai s\u1ed1 cho ph\u00e9p l\u00e0 \u00b11,5mm)<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Quy t\u1eafc t\u01b0\u01a1ng th\u00edch:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">T\u1eeb ti\u00eau chu\u1ea9n M\u1ef9 sang ti\u00eau chu\u1ea9n ch\u00e2u \u00c2u: M\u1eb7t b\u00edch lo\u1ea1i 150 t\u01b0\u01a1ng \u1ee9ng v\u1edbi PN20, nh\u01b0ng kho\u1ea3ng c\u00e1ch l\u1ed7 bu l\u00f4ng c\u1ea7n \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh theo ti\u00eau chu\u1ea9n EN 1092-1.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Ph\u00f9 h\u1ee3p b\u1ec1 m\u1eb7t l\u00e0m k\u00edn: Y\u00eau c\u1ea7u \u0111\u1ed9 nh\u00e1m Ra 3,2\u03bcm c\u1ee7a m\u1eb7t b\u00edch EN kh\u00f4ng t\u01b0\u01a1ng th\u00edch v\u1edbi Ra 6,3\u03bcm c\u1ee7a ASME B16.5 v\u00e0 c\u1ea7n ph\u1ea3i \u0111\u01b0\u1ee3c x\u1eed l\u00fd l\u1ea1i.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b>Nh\u1eefng c\u1ea1m b\u1eaby trong thi\u1ebft k\u1ebf:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">V\u00ed d\u1ee5 v\u1ec1 vi\u1ec7c l\u1eafp \u0111\u1eb7t sai: M\u1ed9t nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u00e3 c\u1ed1 g\u1eafng l\u1eafp \u0111\u1eb7t th\u00e2n van lo\u1ea1i 300 (chi\u1ec1u d\u00e0i k\u1ebft c\u1ea5u 241mm) v\u00e0o \u1ed1ng PN40 (chi\u1ec1u d\u00e0i k\u1ebft c\u1ea5u 189mm), d\u1eabn \u0111\u1ebfn vi\u1ec7c c\u00e1c bu l\u00f4ng m\u1eb7t b\u00edch b\u1ecb l\u1ec7ch.<\/span><\/li>\n<\/ul>\n<h3><b>EN 12516-3 &#8220;Structural length of wafer-type valves &#8220;<\/b><\/h3>\n<figure id=\"attachment_19574\" aria-describedby=\"caption-attachment-19574\" style=\"width: 2000px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-19574 size-full\" src=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/08f6f32cd386a9859d736ad82081573.png\" alt=\"Van b\u01b0\u1edbm d\u1ea1ng wafer\" width=\"2000\" height=\"800\" srcset=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/08f6f32cd386a9859d736ad82081573.png 2000w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/08f6f32cd386a9859d736ad82081573-768x307.png 768w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/08f6f32cd386a9859d736ad82081573-1536x614.png 1536w\" sizes=\"auto, (max-width: 2000px) 100vw, 2000px\" \/><figcaption id=\"caption-attachment-19574\" class=\"wp-caption-text\"><a href=\"\/clamp-butterfly-valve\/\">Van b\u01b0\u1edbm JH-Wafer<\/a><\/figcaption><\/figure>\n<p><b>C\u00e1c l\u0129nh v\u1ef1c c\u00f4ng ngh\u1ec7 c\u1ed1t l\u00f5i:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt thi\u1ebft k\u1ebf m\u1ecfng:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Lo\u1ea1i van<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Van b\u01b0\u1edbm d\u1ea1ng wafer<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Van ki\u1ec3m tra d\u1ea1ng wafer<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Chi\u1ec1u d\u00e0i c\u1ea5u tr\u00fac DN200<\/span><\/td>\n<td><span style=\"font-weight: 400;\">108mm<\/span><\/td>\n<td><span style=\"font-weight: 400;\">76mm<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">(So v\u1edbi van b\u01b0\u1edbm m\u1eb7t b\u00edch, n\u00f3 ng\u1eafn h\u01a1n h\u01a1n 40%)<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">T\u00ednh to\u00e1n l\u1ef1c si\u1ebft tr\u01b0\u1edbc c\u1ee7a bu l\u00f4ng:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">c\u00f4ng th\u1ee9c:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"3\"><i><span style=\"font-weight: 400;\">\u03c3<\/span><\/i> <i><span style=\"font-weight: 400;\">y<\/span><\/i> <span style=\"font-weight: 400;\">C\u01b0\u1eddng \u0111\u1ed9 ch\u1ea3y c\u1ee7a bu l\u00f4ng (v\u00ed d\u1ee5: 640N\/mm\u00b2 \u0111\u1ed1i v\u1edbi bu l\u00f4ng c\u1ea5p 8.8)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"3\"><i><span style=\"font-weight: 400;\">A<\/span><\/i> <i><span style=\"font-weight: 400;\">s<\/span><\/i> <span style=\"font-weight: 400;\">: Di\u1ec7n t\u00edch m\u1eb7t c\u1eaft ngang ch\u1ecbu \u1ee9ng su\u1ea5t c\u1ee7a bu l\u00f4ng<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"3\"><i><span style=\"font-weight: 400;\">n<\/span><\/i> <span style=\"font-weight: 400;\">: h\u1ec7 s\u1ed1 an to\u00e0n (\u22651,5)<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b>\u1ee8ng d\u1ee5ng trong c\u00f4ng nghi\u1ec7p:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00e1c tr\u01b0\u1eddng h\u1ee3p h\u1ea1n ch\u1ebf v\u1ec1 kh\u00f4ng gian: \u0111\u01b0\u1eddng \u1ed1ng trong ph\u00f2ng m\u00e1y t\u00e0u th\u1ee7y, nh\u00e0 m\u00e1y h\u00f3a ch\u1ea5t d\u1ea1ng m\u00f4-\u0111un.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Tr\u01b0\u1eddng h\u1ee3p h\u1ecfng h\u00f3c: Do l\u1ef1c si\u1ebft bu l\u00f4ng tr\u01b0\u1edbc kh\u00f4ng \u0111\u1ee7, van b\u01b0\u1edbm d\u1ea1ng m\u1ecfng d\u00f9ng trong m\u00f4i tr\u01b0\u1eddng bi\u1ec3n b\u1ecb l\u1ecfng trong m\u00f4i tr\u01b0\u1eddng rung \u0111\u1ed9ng, d\u1eabn \u0111\u1ebfn r\u00f2 r\u1ec9 m\u00f4i ch\u1ea5t.<\/span><\/p>\n<h3><b>EN 12516-4 &#8220;Threaded\/welded end valves&#8221;\u200b\u200b<\/b><\/h3>\n<p><b>C\u00e1c l\u0129nh v\u1ef1c c\u00f4ng ngh\u1ec7 c\u1ed1t l\u00f5i:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch ren:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n ren<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 10226 (ISO 7-1)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ASME B1.20.1 (NPT)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Ph\u01b0\u01a1ng ph\u00e1p ni\u00eam phong<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ren h\u00ecnh n\u00f3n + b\u0103ng keo ni\u00eam phong<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Gio\u0103ng ti\u1ebfp x\u00fac kim lo\u1ea1i ren c\u00f4n<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">\u00c1p su\u1ea5t \u00e1p d\u1ee5ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u2264PN40<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u2264L\u1edbp 300<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Thi\u1ebft k\u1ebf \u0111\u1ea7u h\u00e0n:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Lo\u1ea1i r\u00e3nh: R\u00e3nh ch\u1eef V (EN ISO 9692-1) ph\u00f9 h\u1ee3p v\u1edbi \u0111\u1ed9 d\u00e0y th\u00e0nh \u2264 20mm, r\u00e3nh ch\u1eef U \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho van c\u00f3 th\u00e0nh d\u00e0y.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Ki\u1ec3m so\u00e1t \u1ee9ng su\u1ea5t d\u01b0: X\u1eed l\u00fd nhi\u1ec7t sau h\u00e0n (PWHT) l\u00e0 c\u1ea7n thi\u1ebft \u0111\u1ec3 gi\u1ea3m \u1ee9ng su\u1ea5t (ti\u00eau chu\u1ea9n EN 12952).<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b>C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">H\u1ecfi: C\u00f3 th\u1ec3 s\u1eed d\u1ee5ng van ren NPT tr\u1ef1c ti\u1ebfp tr\u00ean \u1ed1ng EN kh\u00f4ng?<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">A: C\u1ea7n c\u00f3 m\u1ed9t \u0111\u1ea7u n\u1ed1i chuy\u1ec3n \u0111\u1ed5i (ren EN 10226 sang NPT), n\u1ebfu kh\u00f4ng c\u00f3 th\u1ec3 x\u1ea3y ra r\u00f2 r\u1ec9 do s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 b\u01b0\u1edbc ren.<\/span><\/li>\n<\/ul>\n<h3><b>EN 1291 &#8220;Non-destructive testing (NDT) acceptance criteria&#8221;\u200b\u200b<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ki\u1ec3m tra v\u1eadt \u0111\u00fac:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Ki\u1ec3m tra b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p ch\u1ee5p X-quang (RT): Theo ti\u00eau chu\u1ea9n EN 12681-2, \u0111\u01b0\u1eddng k\u00ednh l\u1ed7 r\u1ed7ng ph\u1ea3i \u2264 2 mm v\u00e0 kh\u00f4ng qu\u00e1 5 l\u1ed7 tr\u00ean 100 cm\u00b2.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Ki\u1ec3m tra b\u1eb1ng h\u1ea1t t\u1eeb t\u00ednh (MT): Chi\u1ec1u d\u00e0i v\u1ebft n\u1ee9t \u2264 5mm, kh\u00f4ng cho ph\u00e9p c\u00e1c khuy\u1ebft t\u1eadt d\u1ea1ng \u0111\u01b0\u1eddng th\u1eb3ng.<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ki\u1ec3m tra m\u1ed1i h\u00e0n:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Ki\u1ec3m tra si\u00eau \u00e2m (UT): Theo ti\u00eau chu\u1ea9n EN ISO 11666, chi\u1ec1u cao ti\u1ebfng v\u1ecdng c\u1ee7a khuy\u1ebft t\u1eadt l\u00e0 \u2264 20% DAC curve.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Chi ph\u00ed tu\u00e2n th\u1ee7: Ki\u1ec3m tra NDT chi\u1ebfm t\u1eeb 8% \u0111\u1ebfn 12% chi ph\u00ed s\u1ea3n xu\u1ea5t van.<\/span><\/p>\n<h3><b>So s\u00e1nh k\u1ef9 thu\u1eadt: H\u1ec7 th\u1ed1ng ti\u00eau chu\u1ea9n EN so v\u1edbi h\u1ec7 th\u1ed1ng ti\u00eau chu\u1ea9n ASME\/API<\/b><\/h3>\n<table>\n<tbody>\n<tr>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">K\u00edch th\u01b0\u1edbc<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n EN<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n ASME<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Nh\u1eefng \u0111i\u1ec3m kh\u00e1c bi\u1ec7t v\u00e0 t\u00e1c \u0111\u1ed9ng ch\u00ednh<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n thi\u1ebft k\u1ebf<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">&#8211; \u200b\u200bEN 12516-1\u200b\u200b: Based on PED Directive ESR (safety factor 1.5~2.5)<\/span><\/p>\n<p><span style=\"font-weight: 400;\">&#8211; Emphasis on plastic collapse criteria (FEA verification)<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">&#8211; ASME Boiler Code (safety factor 1.5~3.0)<\/span><\/p>\n<p><span style=\"font-weight: 400;\">&#8211; Based on elastic failure theory<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n EN th\u1eadn tr\u1ecdng h\u01a1n: PED y\u00eau c\u1ea7u h\u1ec7 s\u1ed1 an to\u00e0n cao h\u01a1n v\u00e0 ph\u00e2n t\u00edch FEA b\u1eaft bu\u1ed9c.<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">X\u1ebfp h\u1ea1ng \u00e1p su\u1ea5t<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">D\u00f2ng PN (PN10~PN400)<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">D\u00e3y l\u1edbp (150~2500)<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">M\u00e2u thu\u1eabn chuy\u1ec3n \u0111\u1ed5i: Lo\u1ea1i 150 \u2248 PN20, nh\u01b0ng k\u00edch th\u01b0\u1edbc m\u1eb7t b\u00edch kh\u00f4ng t\u01b0\u01a1ng th\u00edch (EN 1092-1 so v\u1edbi ASME B16.5).<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt thi\u1ebft k\u1ebf k\u1ebft c\u1ea5u<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">&#8211; \u200b\u200bEN 12516-1\u200b\u200b: Calculation of wall thickness (Lam\u00e9 formula + corrosion allowance)<\/span><\/p>\n<p><span style=\"font-weight: 400;\">&#8211; \u200b\u200bEN 12516-2\/3\/4\u200b\u200b: Flange\/wafer\/weld end length<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">&#8211; \u200b\u200bASME B16.34\u200b\u200b: Wall thickness formula based on Barlow theory<\/span><\/p>\n<p><span style=\"font-weight: 400;\">&#8211; Structural length is defined as per API 6D<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n EN kh\u1eaft khe h\u01a1n: H\u1ec7 s\u1ed1 t\u1eadp trung \u1ee9ng su\u1ea5t c\u1ee7a \u0111\u1ea7u m\u1ed1i h\u00e0n \u0111\u01b0\u1ee3c gi\u1edbi h\u1ea1n \u1edf m\u1ee9c \u22641,2 (ti\u00eau chu\u1ea9n ASME cho ph\u00e9p \u22641,5).<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Ch\u1ee9ng nh\u1eadn v\u1eadt li\u1ec7u<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">&#8211; EN 10204 3.1\/3.2 certificate (third party testing)<\/span><\/p>\n<p><span style=\"font-weight: 400;\">&#8211; Materials must meet EN 10213\/EN 10222<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">&#8211; ASME II material specifications (steel mill self-inspection)<\/span><\/p>\n<p><span style=\"font-weight: 400;\">&#8211; Materials must meet SA\/GB standards<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">\u200b\u200bEN is more stringent: third-party material certification is mandatory, while ASME relies on the steel mill&#8217;s warranty.<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Y\u00eau c\u1ea7u ki\u1ec3m th\u1eed<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">&#8211; \u200b\u200bEN 1291\u200b\u200b: Mandatory RT\/UT (pores \u2264 2mm, cracks \u2264 5mm)<\/span><\/p>\n<p><span style=\"font-weight: 400;\">&#8211; \u200b\u200bEN 12516-1\u200b\u200b: Burst test (\u2265 4 times PN)<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">&#8211; ASME B16.34: Selective RT\/UT<\/span><\/p>\n<p><span style=\"font-weight: 400;\">&#8211; API 598: Visual + Hydrostatic Test<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n EN c\u00f3 chi ph\u00ed cao h\u01a1n: Ph\u1ea1m vi ki\u1ec3m tra kh\u00f4ng ph\u00e1 h\u1ee7y (NDT) \u2265 80%, ti\u00eau chu\u1ea9n ASME ch\u1ec9 ki\u1ec3m tra ng\u1eabu nhi\u00ean.<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">&#8211; \u200b\u200bEN 12266-1\u200b\u200b: Helium test (Class D)<\/span><\/p>\n<p><span style=\"font-weight: 400;\">&#8211; \u200b\u200bEN 12516-1\u200b\u200b: Finite element analysis (plastic collapse)<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">&#8211; API 598: Soap bubble method\/measuring cup method<\/span><\/p>\n<p><span style=\"font-weight: 400;\">&#8211; ASME B16.34: Hydrostatic test<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Ph\u01b0\u01a1ng ph\u00e1p EN c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao h\u01a1n: \u0110\u1ed9 nh\u1ea1y ph\u00e1t hi\u1ec7n heli \u0111\u1ea1t \u0111\u1ebfn 10\u207b\u2076 mbar\u00b7l\/s, trong khi ph\u01b0\u01a1ng ph\u00e1p ASME ch\u1ec9 \u0111\u1ea1t m\u1ee9c 10\u207b\u00b2.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n EN c\u00f3 gi\u1edbi h\u1ea1n nghi\u00eam ng\u1eb7t h\u01a1n v\u1ec1 m\u1eadt \u0111\u1ed9 khuy\u1ebft t\u1eadt (ti\u00eau chu\u1ea9n ASME B16.34 cho ph\u00e9p \u0111\u01b0\u1eddng k\u00ednh l\u1ed7 r\u1ed7ng \u0111\u01a1n l\u1ebb \u22643mm).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n EN y\u00eau c\u1ea7u b\u00e1o c\u00e1o th\u1eed nghi\u1ec7m ph\u1ea3i tu\u00e2n th\u1ee7 \u0111\u1ecbnh d\u1ea1ng ch\u1ee9ng ch\u1ec9 EN 10204 3.1 (ti\u00eau chu\u1ea9n ASME kh\u00f4ng c\u00f3 y\u00eau c\u1ea7u \u0111\u1ecbnh d\u1ea1ng b\u1eaft bu\u1ed9c).<\/span><\/li>\n<\/ul>\n<h1><b>Ki\u1ec3m tra hi\u1ec7u n\u0103ng v\u00e0 ki\u1ec3m so\u00e1t r\u00f2 r\u1ec9<\/b><\/h1>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-19582\" src=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/3663d96c9ecfb0b9549d12f20a0b99f.png\" alt=\"Ki\u1ec3m tra hi\u1ec7u n\u0103ng v\u00e0 ki\u1ec3m so\u00e1t r\u00f2 r\u1ec9\" width=\"2000\" height=\"800\" srcset=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/3663d96c9ecfb0b9549d12f20a0b99f.png 2000w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/3663d96c9ecfb0b9549d12f20a0b99f-768x307.png 768w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/3663d96c9ecfb0b9549d12f20a0b99f-1536x614.png 1536w\" sizes=\"auto, (max-width: 2000px) 100vw, 2000px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">Ki\u1ec3m tra kh\u1ea3 n\u0103ng l\u00e0m k\u00edn, \u0111\u1ed9 b\u1ec1n v\u00e0 hi\u1ec7u su\u1ea5t an to\u00e0n c\u1ee7a van trong \u0111i\u1ec1u ki\u1ec7n l\u00e0m vi\u1ec7c kh\u1eafc nghi\u1ec7t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o tu\u00e2n th\u1ee7 c\u00e1c y\u00eau c\u1ea7u b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng nh\u01b0 Ch\u1ec9 th\u1ecb PED (2014\/68\/EU) v\u00e0 TA-Luft (Ti\u00eau chu\u1ea9n ki\u1ec3m so\u00e1t \u00f4 nhi\u1ec5m kh\u00f4ng kh\u00ed).<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n s\u1ed1.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u00ean ti\u00eau chu\u1ea9n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u0110\u1ecbnh ngh\u0129a c\u1ea5p \u0111\u1ed9 ki\u1ec3m th\u1eed<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 12266-1<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ki\u1ec3m tra \u00e1p su\u1ea5t van c\u00f4ng nghi\u1ec7p<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u1eeb c\u1ea5p \u0111\u1ed9 A (ph\u00e1t hi\u1ec7n b\u1eb1ng m\u1eaft th\u01b0\u1eddng) \u0111\u1ebfn c\u1ea5p \u0111\u1ed9 T (ph\u00e1t hi\u1ec7n b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p \u0111o ph\u1ed5 kh\u1ed1i l\u01b0\u1ee3ng heli)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 12266-2<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Y\u00eau c\u1ea7u b\u1ed5 sung v\u1ec1 quy tr\u00ecnh th\u1eed nghi\u1ec7m<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Bao g\u1ed3m th\u1eed nghi\u1ec7m \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p (-196\u2103), ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m m\u00f4i tr\u01b0\u1eddng h\u1ea1t<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 13646<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ki\u1ec3m tra hi\u1ec7u su\u1ea5t van \u0111i\u1ec7n t\u1eeb<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Th\u1eddi gian ph\u1ea3n h\u1ed3i \u22645ms, ki\u1ec3m ch\u1ee9ng \u0111\u1ed9 b\u1ec1n 1 tri\u1ec7u l\u1ea7n<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 15714-3<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ki\u1ec3m tra b\u1ed9 truy\u1ec1n \u0111\u1ed9ng \u0111i\u1ec7n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">B\u1ea3o v\u1ec7 qu\u00e1 t\u1ea3i (m\u00f4-men xo\u1eafn g\u1ea5p 1,5 l\u1ea7n), th\u1eddi gian t\u1eaft kh\u1ea9n c\u1ea5p \u2264 3 gi\u00e2y, chu\u1ea9n ch\u1ed1ng n\u01b0\u1edbc IP67.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 15714-4<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ki\u1ec3m tra chu k\u1ef3 b\u1ed9 truy\u1ec1n \u0111\u1ed9ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u00cdt nh\u1ea5t 10.000 l\u1ea7n m\u1edf v\u00e0 \u0111\u00f3ng c\u1eeda m\u00e0 kh\u00f4ng x\u1ea3y ra l\u1ed7i.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">ISO 15848-1<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ki\u1ec3m tra r\u00f2 r\u1ec9 van th\u1ea5p<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u200b\u200bC\u1ea5p \u0111\u1ed9 AH (\u226410\u207b\u2076 mbar\u00b7l\/s), c\u1ea5p \u0111\u1ed9 BH (\u226410\u207b\u2074), c\u1ea5p \u0111\u1ed9 CH (\u226410\u207b\u00b2)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">TA-Luft\u200b\u200b<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n ki\u1ec3m so\u00e1t \u00f4 nhi\u1ec5m kh\u00f4ng kh\u00ed<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u1ef7 l\u1ec7 r\u00f2 r\u1ec9 VOC \u2264500ppm (ph\u00e1t hi\u1ec7n b\u1eb1ng h\u00ecnh \u1ea3nh h\u1ed3ng ngo\u1ea1i)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ch\u00ednh: T\u1ed1c \u0111\u1ed9 r\u00f2 r\u1ec9 m\u1ee9c T theo ti\u00eau chu\u1ea9n EN 12266-1 \u2264 10\u207b\u2076 mbar\u00b7l\/s (t\u01b0\u01a1ng \u0111\u01b0\u01a1ng m\u1ee9c AH theo ti\u00eau chu\u1ea9n ISO 15848)<\/span><\/p>\n<h3><b>\u00a0EN 12266-1 &#8220;Industrial valve pressure test&#8221;<\/b><\/h3>\n<p><b>C\u00e1c l\u0129nh v\u1ef1c c\u00f4ng ngh\u1ec7 c\u1ed1t l\u00f5i:<\/b><\/p>\n<p><span style=\"font-weight: 400;\">1. Ph\u00e2n lo\u1ea1i th\u1eed nghi\u1ec7m v\u00e0 gi\u1edbi h\u1ea1n t\u1ef7 l\u1ec7 r\u00f2 r\u1ec9:<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">C\u1ea5p<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ph\u01b0\u01a1ng ph\u00e1p ph\u00e1t hi\u1ec7n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">M\u1ee9c \u0111\u1ed9 r\u00f2 r\u1ec9 cho ph\u00e9p (ki\u1ec3m tra \u00e1p su\u1ea5t n\u01b0\u1edbc)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00e1c tr\u01b0\u1eddng h\u1ee3p \u00e1p d\u1ee5ng<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">A<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ki\u1ec3m tra b\u1eb1ng m\u1eaft th\u01b0\u1eddng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Kh\u00f4ng c\u00f3 d\u1ea5u hi\u1ec7u r\u00f2 r\u1ec9<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Van \u00e1p su\u1ea5t th\u1ea5p th\u00f4ng th\u01b0\u1eddng (PN10~PN16)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">B<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ph\u01b0\u01a1ng ph\u00e1p th\u1ea5m h\u00fat b\u1eb1ng kh\u0103n gi\u1ea5y<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u22640,1\u00d7DN (ml\/ph\u00fat)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Van \u00e1p su\u1ea5t trung b\u00ecnh h\u00f3a ch\u1ea5t (PN25~PN40)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">C<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ph\u01b0\u01a1ng ph\u00e1p thu th\u1eadp b\u1eb1ng c\u1ed1c \u0111ong<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u22640,01\u00d7DN (ml\/ph\u00fat)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Van \u00e1p su\u1ea5t cao (PN63~PN100)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">D<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ph\u00e1t hi\u1ec7n b\u1eb1ng m\u00e1y quang ph\u1ed5 kh\u1ed1i heli<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u226410\u207b\u2076 mbar\u00b7l\/s<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Van si\u00eau \u00e1p su\u1ea5t kh\u00ed t\u1ef1 nhi\u00ean h\u00f3a l\u1ecfng (LNG) v\u00e0 n\u0103ng l\u01b0\u1ee3ng h\u1ea1t nh\u00e2n<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">2. \u00c1p su\u1ea5t th\u1eed nghi\u1ec7m v\u00e0 th\u1eddi gian gi\u1eef:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n v\u1ecf: \u00c1p su\u1ea5t g\u1ea5p 1,5 l\u1ea7n \u00e1p su\u1ea5t thi\u1ebft k\u1ebf (nhi\u1ec7t \u0111\u1ed9 b\u00ecnh th\u01b0\u1eddng), duy tr\u00ec \u00e1p su\u1ea5t \u2265 2 ph\u00fat (ki\u1ec3m tra bi\u1ebfn d\u1ea1ng v\u0129nh vi\u1ec5n ho\u1eb7c n\u1ee9t).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ki\u1ec3m tra \u0111\u1ed9 k\u00edn: \u00c1p su\u1ea5t g\u1ea5p 1,1 l\u1ea7n \u00e1p su\u1ea5t thi\u1ebft k\u1ebf (bao g\u1ed3m c\u1ea3 \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 cao\/th\u1ea5p), duy tr\u00ec \u00e1p su\u1ea5t \u2265 1 ph\u00fat (\u0111\u1ec3 ki\u1ec3m tra r\u00f2 r\u1ec9 b\u1ec1 m\u1eb7t l\u00e0m k\u00edn).<\/span><\/li>\n<\/ul>\n<p><b>\u1ee8ng d\u1ee5ng trong c\u00f4ng nghi\u1ec7p:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Van \u0111i\u1ec7n h\u1ea1t nh\u00e2n: Van c\u00e1ch ly h\u01a1i ch\u00ednh ph\u1ea3i v\u01b0\u1ee3t qua b\u00e0i ki\u1ec3m tra heli c\u1ea5p D (t\u1ed1c \u0111\u1ed9 r\u00f2 r\u1ec9 \u2264 1\u00d710\u207b\u2077 mbar\u00b7l\/s).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Van \u0111\u00f4ng l\u1ea1nh LNG: Th\u1eed nghi\u1ec7m \u0111\u1ed9 k\u00edn sau khi ng\u00e2m trong nit\u01a1 l\u1ecfng -196\u2103 (\u0111\u1ed9 co ng\u00f3t v\u1eadt li\u1ec7u ph\u1ea3i \u22640,2%).<\/span><\/li>\n<\/ul>\n<p><b>Nh\u1eefng hi\u1ec3u l\u1ea7m th\u01b0\u1eddng g\u1eb7p:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">L\u1ed7i: So s\u00e1nh t\u1ef7 l\u1ec7 r\u00f2 r\u1ec9 theo ti\u00eau chu\u1ea9n API 598 v\u1edbi ti\u00eau chu\u1ea9n EN (API cho ph\u00e9p t\u1ef7 l\u1ec7 r\u00f2 r\u1ec9 cao h\u01a1n).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0110\u00ednh ch\u00ednh: Ti\u00eau chu\u1ea9n EN 12266-1 Lo\u1ea1i D \u2248 Ti\u00eau chu\u1ea9n ISO 15848 Lo\u1ea1i AH, nh\u01b0ng ti\u00eau chu\u1ea9n EN y\u00eau c\u1ea7u ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 th\u1eed nghi\u1ec7m r\u1ed9ng h\u01a1n (-50~300\u2103).<\/span><\/li>\n<\/ul>\n<h3><b>\u00a0EN 12266-2 &#8220;Supplementary Test Procedure&#8221;\u200b\u200b<\/b><\/h3>\n<p><b>Y\u00eau c\u1ea7u ki\u1ec3m tra \u0111\u1eb7c bi\u1ec7t:<\/b><\/p>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Th\u1eed nghi\u1ec7m \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p:<\/span><\/li>\n<\/ol>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ph\u01b0\u01a1ng ph\u00e1p ng\u00e2m trong nit\u01a1 l\u1ecfng: Van \u0111\u01b0\u1ee3c l\u00e0m l\u1ea1nh \u1edf -196\u2103 trong 24 gi\u1edd, sau \u0111\u00f3 \u0111\u01b0\u1ee3c m\u1edf v\u00e0 \u0111\u00f3ng \u0111\u1ec3 ki\u1ec3m tra \u0111\u1ed9 gi\u00f2n c\u1ee7a v\u1eadt li\u1ec7u v\u00e0 hi\u1ec7u su\u1ea5t l\u00e0m k\u00edn.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Hi\u1ec7u ch\u1ec9nh t\u1ed1c \u0111\u1ed9 r\u00f2 r\u1ec9 \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p: Gi\u1edbi h\u1ea1n t\u1ed1c \u0111\u1ed9 r\u00f2 r\u1ec9 c\u1ea7n \u0111\u01b0\u1ee3c nh\u00e2n v\u1edbi h\u1ec7 s\u1ed1 hi\u1ec7u ch\u1ec9nh nhi\u1ec7t \u0111\u1ed9 (v\u00ed d\u1ee5: \u00d7 1,2 \u1edf -50\u00b0C).<\/span><\/li>\n<\/ul>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Th\u1eed nghi\u1ec7m \u1edf nhi\u1ec7t \u0111\u1ed9 cao:<\/span><\/li>\n<\/ol>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Th\u1eed nghi\u1ec7m \u0111\u1ed9 r\u00e3o \u1edf nhi\u1ec7t \u0111\u1ed9 cao: Van \u0111\u01b0\u1ee3c gi\u1eef \u1edf \u00e1p su\u1ea5t li\u00ean t\u1ee5c 300\u2103 trong 48 gi\u1edd, v\u00e0 l\u01b0\u1ee3ng r\u00e3o c\u1ee7a b\u1ec1 m\u1eb7t l\u00e0m k\u00edn \u0111\u01b0\u1ee3c ki\u1ec3m tra (c\u1ea7n ph\u1ea3i \u22640,05mm).<\/span><\/li>\n<\/ul>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ki\u1ec3m tra tu\u1ed5i th\u1ecd chu k\u1ef3:<\/span><\/li>\n<\/ol>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Y\u00eau c\u1ea7u v\u1ec1 gi\u1edd m\u1edf c\u1eeda v\u00e0 \u0111\u00f3ng c\u1eeda:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Lo\u1ea1i van<\/span><\/td>\n<td><span style=\"font-weight: 400;\">S\u1ed1 chu k\u1ef3 t\u1ed1i thi\u1ec3u<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u1ed1c \u0111\u1ed9 r\u00f2 r\u1ec9 gi\u00e1 tr\u1ecb th\u01b0 gi\u00e3n cho ph\u00e9p<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Van ch\u1eb7n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">5000 l\u1ea7n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u22641,5\u00d7gi\u1edbi h\u1ea1n ban \u0111\u1ea7u<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Van bi<\/span><\/td>\n<td><span style=\"font-weight: 400;\">10000 l\u1ea7n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u22642,0\u00d7gi\u1edbi h\u1ea1n ban \u0111\u1ea7u<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><b>EN 13646 \u300aTh\u1eed nghi\u1ec7m b\u1ed9 truy\u1ec1n \u0111\u1ed9ng \u0111i\u1ec7n\u300b\u200b\u200b<\/b><\/h3>\n<p><b>C\u00e1c h\u1ea1ng m\u1ee5c ki\u1ec3m tra c\u1ed1t l\u00f5i v\u00e0 y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Th\u1eddi gian ph\u1ea3n h\u1ed3i:<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">T\u1ed1c \u0111\u1ed9 \u0111\u00f3ng m\u1edf c\u1ee7a van \u0111i\u1ec7n t\u1eeb \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn \u0111\u1ed9 ch\u00ednh x\u00e1c \u0111i\u1ec1u khi\u1ec3n c\u1ee7a h\u1ec7 th\u1ed1ng. Y\u00eau c\u1ea7u ti\u00eau chu\u1ea9n:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Th\u1eddi gian m\u1edf \u22645ms (t\u1eeb khi b\u1eadt ngu\u1ed3n \u0111\u1ebfn khi l\u00f5i van m\u1edf ho\u00e0n to\u00e0n)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Th\u1eddi gian \u0111\u00f3ng \u22648ms (t\u1eeb khi t\u1eaft ngu\u1ed3n \u0111\u1ebfn khi l\u00f5i van \u0111\u00f3ng ho\u00e0n to\u00e0n)<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><i><span style=\"font-weight: 400;\">Ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m<\/span><\/i> <span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng m\u00e1y hi\u1ec7n s\u00f3ng t\u1ed1c \u0111\u1ed9 cao \u0111\u1ec3 thu t\u00edn hi\u1ec7u d\u00f2ng \u0111i\u1ec7n v\u00e0 \u0111\u01b0\u1eddng cong d\u1ecbch chuy\u1ec3n l\u00f5i van, \u0111\u1ed3ng th\u1eddi lo\u1ea1i b\u1ecf nhi\u1ec5u tr\u1ec5 t\u00edn hi\u1ec7u (nh\u01b0 \u0111i\u1ec7n tr\u1edf c\u00e1p).<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Chu k\u1ef3 ho\u1ea1t \u0111\u1ed9ng so v\u1edbi t\u1ef7 l\u1ec7 r\u00f2 r\u1ec9:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">\u0110i\u1ec1u ki\u1ec7n th\u1eed nghi\u1ec7m<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Y\u00eau c\u1ea7u tham s\u1ed1<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">\u00c1p su\u1ea5t trung b\u00ecnh<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u22651,5 l\u1ea7n \u00e1p su\u1ea5t thi\u1ebft k\u1ebf (\u0111i\u1ec1u ki\u1ec7n qu\u00e1 t\u1ea3i m\u00f4 ph\u1ecfng)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">T\u1ea7n s\u1ed1 chu k\u1ef3<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u226510Hz (th\u1eed nghi\u1ec7m m\u1ecfi \u0111\u00f3ng m\u1edf \u1edf t\u1ea7n s\u1ed1 cao)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">T\u1ef7 l\u1ec7 r\u00f2 r\u1ec9 sau 1 tri\u1ec7u l\u1ea7n.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u22640,1\u00d7DN (gi\u00e1m s\u00e1t th\u1eddi gian th\u1ef1c trong \u0111i\u1ec1u ki\u1ec7n \u0111\u1ed9ng)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><b>Kh\u1ea3 n\u0103ng th\u00edch nghi v\u1edbi m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Th\u1eed nghi\u1ec7m s\u1ed1c nhi\u1ec7t:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Th\u1ef1c hi\u1ec7n chu tr\u00ecnh 10 l\u1ea7n, nhanh ch\u00f3ng chuy\u1ec3n \u0111\u1ed5i gi\u1eefa -40\u2103 (\u0111\u00f4ng l\u1ea1nh trong 2 gi\u1edd) v\u00e0 +150\u2103 (n\u01b0\u1edbng trong 2 gi\u1edd).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Sai l\u1ec7ch hi\u1ec7u su\u1ea5t cho ph\u00e9p: thay \u0111\u1ed5i th\u1eddi gian ph\u1ea3n h\u1ed3i \u2264 10%, \u0111i\u1ec7n tr\u1edf c\u00e1ch \u0111i\u1ec7n cu\u1ed9n d\u00e2y \u2265 100M\u03a9.<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ki\u1ec3m tra \u0111\u1ed9 rung:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Lo\u1ea1i rung<\/span><\/td>\n<td><span style=\"font-weight: 400;\">D\u1ea3i t\u1ea7n s\u1ed1<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Gia t\u1ed1c<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Kho\u1ea3ng th\u1eddi gian<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Dao \u0111\u1ed9ng ng\u1eabu nhi\u00ean<\/span><\/td>\n<td><span style=\"font-weight: 400;\">20Hz~2000Hz<\/span><\/td>\n<td><span style=\"font-weight: 400;\">10g RMS<\/span><\/td>\n<td><span style=\"font-weight: 400;\">2 gi\u1edd cho m\u1ed7i tr\u1ee5c<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><b>EN 15714-3 &#8220;Electric Actuator Test&#8221;<\/b><\/h3>\n<p><b>C\u00e1c n\u1ed9i dung ki\u1ec3m tra ch\u00ednh:<\/b><\/p>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ki\u1ec3m tra b\u1ea3o v\u1ec7 qu\u00e1 t\u1ea3i: B\u1ed9 truy\u1ec1n \u0111\u1ed9ng kh\u00f4ng \u0111\u01b0\u1ee3c b\u1ecb h\u01b0 h\u1ecfng khi ho\u1ea1t \u0111\u1ed9ng \u1edf m\u00f4-men xo\u1eafn g\u1ea5p 1,5 l\u1ea7n m\u00f4-men xo\u1eafn \u0111\u1ecbnh m\u1ee9c trong 10 ph\u00fat.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Th\u1eddi gian d\u1eebng kh\u1ea9n c\u1ea5p: Th\u1eddi gian t\u1eeb khi k\u00edch ho\u1ea1t t\u00edn hi\u1ec7u \u0111\u1ebfn khi \u0111\u00f3ng ho\u00e0n to\u00e0n l\u00e0 \u22643 gi\u00e2y (van \u0111i\u1ec7n h\u1ea1t nh\u00e2n y\u00eau c\u1ea7u \u22641 gi\u00e2y).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ki\u1ec3m tra \u0111\u1ed9 k\u00edn: M\u1ee9c \u0111\u1ed9 b\u1ea3o v\u1ec7 c\u1ee7a v\u1ecf b\u1ed9 truy\u1ec1n \u0111\u1ed9ng l\u00e0 \u2265IP67 (kh\u00f4ng b\u1ecb r\u00f2 r\u1ec9 sau khi ng\u00e2m trong n\u01b0\u1edbc \u1edf \u0111\u1ed9 s\u00e2u 1 m\u00e9t trong 30 ph\u00fat).<\/span><\/li>\n<\/ol>\n<h3><b>EN 15714-4 &#8221; <\/b><b>Ki\u1ec3m tra chu k\u1ef3 b\u1ed9 truy\u1ec1n \u0111\u1ed9ng<\/b><b> &#8220;<\/b><\/h3>\n<p><b>Quy tr\u00ecnh ki\u1ec3m th\u1eed v\u00e0 ti\u00eau ch\u00ed ch\u1ea5p nh\u1eadn<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Hi\u1ec7u chu\u1ea9n tr\u01b0\u1edbc khi th\u1eed nghi\u1ec7m:<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">Cho b\u1ed9 truy\u1ec1n \u0111\u1ed9ng ch\u1ea1y kh\u00f4ng t\u1ea3i 10 l\u1ea7n v\u00e0 ghi l\u1ea1i c\u00e1c th\u00f4ng s\u1ed1 tham chi\u1ebfu (nh\u01b0 th\u1eddi gian m\u1edf v\u00e0 \u0111\u00f3ng, \u0111\u01b0\u1eddng cong m\u00f4-men xo\u1eafn) \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o tr\u1ea1ng th\u00e1i ban \u0111\u1ea7u c\u1ee7a b\u1ed9 truy\u1ec1n \u0111\u1ed9ng l\u00e0 nh\u1ea5t qu\u00e1n.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Ki\u1ec3m tra chu k\u1ef3 t\u1ea3i:<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Lo\u1ea1i t\u1ea3i<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Y\u00eau c\u1ea7u ki\u1ec3m th\u1eed<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00e1c ch\u1ec9 s\u1ed1 ch\u1ea5p nh\u1eadn<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">M\u00f4 ph\u1ecfng t\u1ea3i th\u1ef1c t\u1ebf<\/span><\/td>\n<td><span style=\"font-weight: 400;\">25%~100% thay \u0111\u1ed5i \u0111\u1ed9ng m\u00f4-men xo\u1eafn \u0111\u1ecbnh m\u1ee9c<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Sau 10.000 l\u1ea7n s\u1eed d\u1ee5ng, t\u1ef7 l\u1ec7 r\u00f2 r\u1ec9 gi\u1ea3m xu\u1ed1ng c\u00f2n \u2264 2 l\u1ea7n so v\u1edbi gi\u00e1 tr\u1ecb ban \u0111\u1ea7u.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Gi\u1edbi h\u1ea1n t\u1ea3i<\/span><\/td>\n<td><span style=\"font-weight: 400;\">M\u00f4-men xo\u1eafn g\u1ea5p 1,5 l\u1ea7n m\u00f4-men xo\u1eafn \u0111\u1ecbnh m\u1ee9c khi ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c 50 l\u1ea7n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u0110\u1ed9 m\u00e0i m\u00f2n b\u00e1nh r\u0103ng \u2264 0,1mm, kh\u00f4ng c\u00f3 bi\u1ebfn d\u1ea1ng d\u1ebbo.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">\u1ee8ng d\u1ee5ng c\u00f4ng nghi\u1ec7p: Trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m, t\u1ef7 l\u1ec7 r\u00f2 r\u1ec9 c\u1ee7a b\u1ed9 truy\u1ec1n \u0111\u1ed9ng van \u0111i\u1ec1u khi\u1ec3n trong m\u1ed9t nh\u00e0 m\u00e1y h\u00f3a ch\u1ea5t v\u01b0\u1ee3t qu\u00e1 ti\u00eau chu\u1ea9n do v\u00f2ng \u0111\u1ec7m b\u1ecb l\u00e3o h\u00f3a. Gi\u1ea3i ph\u00e1p: S\u1eed d\u1ee5ng v\u00f2ng \u0111\u1ec7m cao su flo (kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n t\u0103ng g\u1ea5p 3 l\u1ea7n).<\/span><\/p>\n<p><b>Ki\u1ec3m tra m\u00f4i tr\u01b0\u1eddng v\u00e0 ph\u00e2n t\u00edch l\u1ed7i<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ki\u1ec3m tra chu k\u1ef3 nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 th\u1ea5p:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">T\u00ecnh tr\u1ea1ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Tham s\u1ed1<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Sai l\u1ec7ch hi\u1ec7u su\u1ea5t cho ph\u00e9p<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Nhi\u1ec7t \u0111\u1ed9 cao<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ch\u1ea1y 500 l\u1ea7n \u1edf nhi\u1ec7t \u0111\u1ed9 +85\u2103<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u1ed1c \u0111\u1ed9 r\u00f2 r\u1ec9 \u2264 3 l\u1ea7n gi\u00e1 tr\u1ecb ban \u0111\u1ea7u<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Nhi\u1ec7t \u0111\u1ed9 th\u1ea5p<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Th\u1ef1c hi\u1ec7n 500 l\u1ea7n \u1edf -40\u2103<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Gio\u0103ng kh\u00f4ng c\u00f3 v\u1ebft n\u1ee9t, v\u00e0 \u0111\u1ed9 dao \u0111\u1ed9ng l\u1ef1c \u0111\u00f3ng m\u1edf \u226420%<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">V\u1ea5n \u0111\u1ec1 th\u01b0\u1eddng g\u1eb7p: M\u1ee1 b\u00f4i tr\u01a1n \u0111\u00f4ng \u0111\u1eb7c \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p, khi\u1ebfn b\u00e1nh r\u0103ng b\u1ecb k\u1eb9t. Gi\u1ea3i ph\u00e1p kh\u1eafc ph\u1ee5c: S\u1eed d\u1ee5ng m\u1ee1 b\u00f4i tr\u01a1n t\u1ed5ng h\u1ee3p ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 th\u1ea5p (\u00e1p d\u1ee5ng cho nhi\u1ec7t \u0111\u1ed9 t\u1eeb -60\u2103 \u0111\u1ebfn +150\u2103).<\/span><\/p>\n<h3><b>\u00a0ISO 15848-1 &#8220;Valve Low Leakage Test&#8221; (Synergy)<\/b><\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-19581\" src=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/c70ff8b28b419e778de41fba24c882f.png\" alt=\"Ki\u1ec3m tra r\u00f2 r\u1ec9 van th\u1ea5p\" width=\"2000\" height=\"800\" srcset=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/c70ff8b28b419e778de41fba24c882f.png 2000w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/c70ff8b28b419e778de41fba24c882f-768x307.png 768w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/c70ff8b28b419e778de41fba24c882f-1536x614.png 1536w\" sizes=\"auto, (max-width: 2000px) 100vw, 2000px\" \/><\/p>\n<p><b>Ph\u00e2n chia c\u1ea5p \u0111\u1ed9:<\/b><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">C\u1ea5p<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u1ed1c \u0111\u1ed9 r\u00f2 r\u1ec9 cho ph\u00e9p (ml\/ph\u00fat)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n th\u00f4ng \u00e1p d\u1ee5ng<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">L\u1edbp AH<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u226410\u207b\u2076<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Hydro, metan<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">L\u1edbp BH<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u226410\u207b\u2074<\/span><\/td>\n<td><span style=\"font-weight: 400;\">H\u01a1i n\u01b0\u1edbc, Nit\u01a1<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">M\u1ee9c CH<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u226410\u207b\u00b2<\/span><\/td>\n<td><span style=\"font-weight: 400;\">N\u01b0\u1edbc, ch\u1ea5t l\u1ecfng kh\u00f4ng nguy hi\u1ec3m<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><b>So s\u00e1nh v\u1edbi ti\u00eau chu\u1ea9n EN:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">S\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 \u0111i\u1ec1u ki\u1ec7n th\u1eed nghi\u1ec7m: Ti\u00eau chu\u1ea9n ISO 15848 y\u00eau c\u1ea7u m\u00f4 ph\u1ecfng c\u00e1c \u0111i\u1ec1u ki\u1ec7n \u0111\u1ed9ng (th\u1eed nghi\u1ec7m trong qu\u00e1 tr\u00ecnh m\u1edf v\u00e0 \u0111\u00f3ng van), trong khi ti\u00eau chu\u1ea9n EN 12266-1 ch\u1ec9 l\u00e0 th\u1eed nghi\u1ec7m t\u0129nh.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u01afu ti\u00ean ch\u1ee9ng nh\u1eadn: Van hydro xu\u1ea5t kh\u1ea9u sang ch\u00e2u \u00c2u ph\u1ea3i \u0111\u00e1p \u1ee9ng c\u1ea3 ti\u00eau chu\u1ea9n EN 12266-1 (H\u1ea1ng D) v\u00e0 ISO 15848 (H\u1ea1ng AH).<\/span><\/li>\n<\/ul>\n<h3><b>TA-Luft (Ti\u00eau chu\u1ea9n ki\u1ec3m so\u00e1t \u00f4 nhi\u1ec5m kh\u00f4ng kh\u00ed)<\/b><\/h3>\n<p><b>(M\u1ed1i quan h\u1ec7 b\u1eaft bu\u1ed9c mang t\u00ednh h\u1ee3p t\u00e1c v\u00e0 song song)<\/b><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-19583\" src=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/2095ac39358c3a5eb8bae08cc20ca7e.png\" alt=\"\u00d4 nhi\u1ec5m kh\u00f4ng kh\u00ed t\u1eeb c\u00e1c nh\u00e0 m\u00e1y h\u00f3a ch\u1ea5t\" width=\"2000\" height=\"800\" srcset=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/2095ac39358c3a5eb8bae08cc20ca7e.png 2000w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/2095ac39358c3a5eb8bae08cc20ca7e-768x307.png 768w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/2095ac39358c3a5eb8bae08cc20ca7e-1536x614.png 1536w\" sizes=\"auto, (max-width: 2000px) 100vw, 2000px\" \/><\/p>\n<ul>\n<li aria-level=\"1\"><b>Y\u00eau c\u1ea7u v\u1ec1 gi\u1edbi h\u1ea1n r\u00f2 r\u1ec9:<\/b><\/li>\n<\/ul>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Van VOC (H\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 d\u1ec5 bay h\u01a1i): T\u1ef7 l\u1ec7 r\u00f2 r\u1ec9 \u2264 500ppm (nghi\u00eam ng\u1eb7t h\u01a1n 10 l\u1ea7n so v\u1edbi ti\u00eau chu\u1ea9n EN 12266-1).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ph\u01b0\u01a1ng ph\u00e1p ph\u00e1t hi\u1ec7n:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Ph\u01b0\u01a1ng ph\u00e1p ch\u1ee5p \u1ea3nh h\u1ed3ng ngo\u1ea1i: ph\u00e1t hi\u1ec7n r\u00f2 r\u1ec9 kh\u00ed \u1edf m\u1ee9c v\u1ebft (\u0111\u1ed9 nh\u1ea1y l\u00ean \u0111\u1ebfn 1ppm).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Ph\u01b0\u01a1ng ph\u00e1p bong b\u00f3ng x\u00e0 ph\u00f2ng: Ch\u1ec9 d\u00f9ng \u0111\u1ec3 s\u00e0ng l\u1ecdc s\u01a1 b\u1ed9 (kh\u00f4ng th\u00edch h\u1ee3p cho ph\u00e2n t\u00edch \u0111\u1ecbnh l\u01b0\u1ee3ng).<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b>C\u00e1c \u0111i\u1ec3m thi\u1ebft k\u1ebf tu\u00e2n th\u1ee7:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u1ea5u tr\u00fac l\u00e0m k\u00edn k\u00e9p: v\u00ed d\u1ee5 nh\u01b0 \u1ed1ng x\u1ebfp + gio\u0103ng than ch\u00ec (t\u1ef7 l\u1ec7 r\u00f2 r\u1ec9 \u226450ppm).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">L\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u: B\u1ec1 m\u1eb7t l\u00e0m k\u00edn c\u1ea7n \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng cacbua vonfram ho\u1eb7c g\u1ed1m (\u0111\u1ec3 tr\u00e1nh s\u1ef1 ph\u00e2n h\u1ee7y \u1edf nhi\u1ec7t \u0111\u1ed9 cao c\u1ee7a v\u1eadt li\u1ec7u polyme).<\/span><\/li>\n<\/ul>\n<h3><b>So s\u00e1nh k\u1ef9 thu\u1eadt: Thi\u1ebft k\u1ebf c\u01a1 b\u1ea3n theo ti\u00eau chu\u1ea9n EN so v\u1edbi ti\u00eau chu\u1ea9n ASME\/API<\/b><\/h3>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">K\u00edch th\u01b0\u1edbc<\/span><\/td>\n<td><span style=\"font-weight: 400;\">H\u1ec7 th\u1ed1ng ti\u00eau chu\u1ea9n EN<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n ASME\/API<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Nh\u1eefng \u0111i\u1ec3m kh\u00e1c bi\u1ec7t ch\u00ednh v\u00e0 t\u00e1c \u0111\u1ed9ng c\u1ee7a c\u00e1c ti\u00eau chu\u1ea9n m\u1edbi<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Ph\u00e2n lo\u1ea1i t\u1ed1c \u0111\u1ed9 r\u00f2 r\u1ec9<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&#8211; EN 12266-1 (Grade A\/B\/C\/D)<\/span><\/p>\n<p><span style=\"font-weight: 400;\">&#8211; \u200b\u200bISO 15848-1\u200b \u200b(Class AH\/BH\/CH)<\/span><\/p>\n<p><span style=\"font-weight: 400;\">&#8211; TA-Luft (\u2264500ppm VOC)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">API 598 (C\u1ea5p \u0111\u1ed9 I \u0111\u1ebfn IV)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n TA-Luft m\u1edbi: Nghi\u00eam ng\u1eb7t h\u01a1n g\u1ea5p 10 l\u1ea7n so v\u1edbi EN 12266-1, y\u00eau c\u1ea7u ki\u1ec3m tra b\u1eb1ng h\u00ecnh \u1ea3nh h\u1ed3ng ngo\u1ea1i.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">ISO 15848: Ph\u00e2n lo\u1ea1i t\u1ed1c \u0111\u1ed9 r\u00f2 r\u1ec9 \u0111\u1ed9ng (L\u1edbp AH \u2248 L\u1edbp D theo ti\u00eau chu\u1ea9n EN).<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Ki\u1ec3m tra \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&#8211; \u200b\u200bEN 12266-2\u200b \u200b(-196\u2103 liquid nitrogen immersion)<\/span><\/p>\n<p><span style=\"font-weight: 400;\">&#8211; \u200b\u200bEN 15714-4\u200b\u200b (-40\u2103 cycle test)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ch\u1ec9 c\u1ea7n th\u1ef1c hi\u1ec7n th\u1eed nghi\u1ec7m \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p -46\u2103 (ASME B16.34)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n EN kh\u1eaft khe h\u01a1n: Van LNG ph\u1ea3i v\u01b0\u1ee3t qua th\u1eed nghi\u1ec7m nit\u01a1 l\u1ecfng EN 12266-2, trong khi ASME kh\u00f4ng c\u00f3 y\u00eau c\u1ea7u t\u01b0\u01a1ng t\u1ef1.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Ki\u1ec3m tra b\u1ed9 truy\u1ec1n \u0111\u1ed9ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">-\u200b \u200bEN 15714-3\u200b \u200b(Ki\u1ec3m tra ch\u1ee9c n\u0103ng c\u1ee7a b\u1ed9 truy\u1ec1n \u0111\u1ed9ng \u0111i\u1ec7n)<\/span><\/p>\n<p><span style=\"font-weight: 400;\">&#8211; \u200b\u200bEN 15714-4\u200b\u200b (Cycle Life Test)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">API 609 (ch\u1ec9 v\u1eadn h\u00e0nh b\u1eb1ng tay)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n EN to\u00e0n di\u1ec7n h\u01a1n: bao g\u1ed3m b\u1ea3o v\u1ec7 qu\u00e1 t\u1ea3i v\u00e0 tu\u1ed5i th\u1ecd chu k\u1ef3 c\u1ee7a b\u1ed9 truy\u1ec1n \u0111\u1ed9ng \u0111i\u1ec7n\/kh\u00ed n\u00e9n (ti\u00eau chu\u1ea9n ASME kh\u00f4ng c\u00f3 ti\u00eau chu\u1ea9n t\u01b0\u01a1ng \u1ee9ng).<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Thi\u1ebft b\u1ecb th\u1eed nghi\u1ec7m<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&#8211; EN 12266-1 Class D (Helium mass spectrometer)<\/span><\/p>\n<p><span style=\"font-weight: 400;\">&#8211; \u200b\u200bTA-Luft\u200b\u200b (infrared imager)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ph\u01b0\u01a1ng ph\u00e1p bong b\u00f3ng x\u00e0 ph\u00f2ng ho\u1eb7c ph\u01b0\u01a1ng ph\u00e1p c\u1ed1c \u0111ong (API 598)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Chi ph\u00ed EN cao h\u01a1n: kho\u1ea3n \u0111\u1ea7u t\u01b0 v\u00e0o thi\u1ebft b\u1ecb ki\u1ec3m tra b\u1eb1ng kh\u00ed heli + m\u00e1y \u1ea3nh h\u1ed3ng ngo\u1ea1i chi\u1ebfm t\u1eeb 401.3T \u0111\u1ebfn 601.3T trong t\u1ed5ng chi ph\u00ed.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Y\u00eau c\u1ea7u ki\u1ec3m th\u1eed \u0111\u1ed9ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&#8211; \u200b\u200bISO 15848-1\u200b \u200b(Dynamic Cyclic Leak Test)<\/span><\/p>\n<p><span style=\"font-weight: 400;\">&#8211; \u200b\u200bEN 13646\u200b\u200b (High frequency solenoid valve response test)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">API 6D y\u00eau c\u1ea7u ki\u1ec3m tra chu k\u1ef3 \u0111\u1ed9ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n EN d\u1ef1a tr\u00ean ti\u00eau chu\u1ea9n ISO: Ti\u00eau chu\u1ea9n EN kh\u00f4ng c\u00f3 c\u00e1c th\u1eed nghi\u1ec7m \u0111\u1ed9ng v\u00e0 c\u1ea7n \u0111\u01b0\u1ee3c b\u1ed5 sung b\u1edfi ti\u00eau chu\u1ea9n ISO 15848-1.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">EN 13646: Y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 v\u1ec1 \u0111\u00e1p \u1ee9ng \u0111\u1ed9ng c\u1ee7a van \u0111i\u1ec7n t\u1eeb.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h1><b>\u00a0Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u1eadt li\u1ec7u v\u00e0 quy tr\u00ecnh<\/b><\/h1>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-19584\" src=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/ab7e680b26af67b5951d1ee5502ce9b.png\" alt=\"\" width=\"2000\" height=\"800\" srcset=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/ab7e680b26af67b5951d1ee5502ce9b.png 2000w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/ab7e680b26af67b5951d1ee5502ce9b-768x307.png 768w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/ab7e680b26af67b5951d1ee5502ce9b-1536x614.png 1536w\" sizes=\"auto, (max-width: 2000px) 100vw, 2000px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-19585\" src=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/68d436e4321e8b5375c98c4129e7079.png\" alt=\"V\u1eadt li\u1ec7u van v\u00e0 k\u1ef9 thu\u1eadt l\u1eafp \u0111\u1eb7t\" width=\"2000\" height=\"800\" srcset=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/68d436e4321e8b5375c98c4129e7079.png 2000w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/68d436e4321e8b5375c98c4129e7079-768x307.png 768w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/68d436e4321e8b5375c98c4129e7079-1536x614.png 1536w\" sizes=\"auto, (max-width: 2000px) 100vw, 2000px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">\u0110\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1ec1n v\u1eadt li\u1ec7u van, kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 tu\u00e2n th\u1ee7 quy tr\u00ecnh \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u an to\u00e0n trong su\u1ed1t v\u00f2ng \u0111\u1eddi s\u1ea3n ph\u1ea9m.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n s\u1ed1.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u00ean ti\u00eau chu\u1ea9n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt v\u1eadt li\u1ec7u<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 10213<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00e1c v\u1eadt \u0111\u00fac th\u00e9p ch\u1ecbu \u00e1p l\u1ef1c<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Bao g\u1ed3m c\u00e1c v\u1eadt li\u1ec7u d\u00f9ng trong n\u0103ng l\u01b0\u1ee3ng h\u1ea1t nh\u00e2n nh\u01b0 GP240GH, G20Mo5, v.v.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 10222<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u0110i\u1ec1u ki\u1ec7n k\u1ef9 thu\u1eadt \u0111\u1ed1i v\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m r\u00e8n th\u00e9p<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Quy tr\u00ecnh x\u1eed l\u00fd nhi\u1ec7t cho c\u00e1c v\u1eadt li\u1ec7u c\u00f3 \u0111\u1ed9 b\u1ec1n cao nh\u01b0 P265GH v\u00e0 P460NH.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 10088<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt l\u1ef1a ch\u1ecdn th\u00e9p kh\u00f4ng g\u1ec9<\/span><\/td>\n<td><span style=\"font-weight: 400;\">H\u01b0\u1edbng d\u1eabn k\u1ecbch b\u1ea3n ch\u1ed1ng \u0103n m\u00f2n cho 1.4404 (316L) v\u00e0 1.4539 (904L)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 10204<\/span><\/td>\n<td><span style=\"font-weight: 400;\">H\u1ec7 th\u1ed1ng ch\u1ee9ng nh\u1eadn v\u1eadt li\u1ec7u<\/span><\/td>\n<td><span style=\"font-weight: 400;\">3.1\/3.2 Hi\u1ec7u l\u1ef1c ph\u00e1p l\u00fd c\u1ee7a ch\u1ee9ng ch\u1ec9 trong ch\u1ee9ng nh\u1eadn PED<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">Y\u00eau c\u1ea7u \u0111\u1eb7c bi\u1ec7t: N\u0103ng l\u01b0\u1ee3ng va \u0111\u1eadp Charpy theo ti\u00eau chu\u1ea9n EN 10213-4 d\u00e0nh cho v\u1eadt li\u1ec7u \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p (-196\u2103) \u2265 40J<\/span><\/p>\n<h3><b>3.1 EN 10213 &#8220;Steel Castings for Pressure&#8221;<\/b><\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-19584\" src=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/ab7e680b26af67b5951d1ee5502ce9b.png\" alt=\"Van \u0111\u00fac\" width=\"2000\" height=\"800\" srcset=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/ab7e680b26af67b5951d1ee5502ce9b.png 2000w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/ab7e680b26af67b5951d1ee5502ce9b-768x307.png 768w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/ab7e680b26af67b5951d1ee5502ce9b-1536x614.png 1536w\" sizes=\"auto, (max-width: 2000px) 100vw, 2000px\" \/><\/p>\n<p><b>C\u00e1c l\u0129nh v\u1ef1c c\u00f4ng ngh\u1ec7 c\u1ed1t l\u00f5i:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u1ea5p \u0111\u1ed9 v\u1eadt li\u1ec7u:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Th\u01b0\u01a1ng hi\u1ec7u<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u0110\u1ed9 b\u1ec1n k\u00e9o (MPa)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00e1c tr\u01b0\u1eddng h\u1ee3p \u00e1p d\u1ee5ng<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">GP240GH<\/span><\/td>\n<td><span style=\"font-weight: 400;\">400~550<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Van \u00e1p su\u1ea5t th\u1ea5p (PN10~PN16)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">G20Mn5<\/span><\/td>\n<td><span style=\"font-weight: 400;\">500~700<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Van \u00e1p su\u1ea5t trung b\u00ecnh (PN25~PN40)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">G17CrMo5-5<\/span><\/td>\n<td><span style=\"font-weight: 400;\">650~850<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Van ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u00e1p su\u1ea5t cao (PN63~PN100)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Y\u00eau c\u1ea7u c\u1ee7a quy tr\u00ecnh \u0111\u00fac:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">\u0110\u1ed9 d\u00e0y th\u00e0nh t\u1ed1i thi\u1ec3u \u22658mm (\u0111\u1ec3 tr\u00e1nh c\u00e1c khuy\u1ebft t\u1eadt do co ng\u00f3t).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Gi\u1edbi h\u1ea1n h\u00e0n s\u1eeda ch\u1eefa: C\u00f9ng m\u1ed9t khu v\u1ef1c ch\u1ec9 \u0111\u01b0\u1ee3c s\u1eeda ch\u1eefa t\u1ed1i \u0111a 2 l\u1ea7n, v\u00e0 ph\u1ea3i ti\u1ebfn h\u00e0nh ki\u1ec3m tra si\u00eau \u00e2m theo ti\u00eau chu\u1ea9n EN 1291.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b>\u1ee8ng d\u1ee5ng trong c\u00f4ng nghi\u1ec7p:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Van h\u1ec7 th\u1ed1ng n\u01b0\u1edbc: GP240GH \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho v\u1ecf van b\u01b0\u1edbm trong c\u00e1c nh\u00e0 m\u00e1y x\u1eed l\u00fd n\u01b0\u1edbc.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Van h\u01a1i ch\u00ednh c\u1ee7a nh\u00e0 m\u00e1y nhi\u1ec7t \u0111i\u1ec7n: H\u1ee3p kim G17CrMo5-5 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t l\u00ean \u0111\u1ebfn 540\u2103 v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng bi\u1ebfn d\u1ea1ng d\u1ebbo tuy\u1ec7t v\u1eddi.<\/span><\/li>\n<\/ul>\n<p><b>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">X\u1eed l\u00fd khuy\u1ebft t\u1eadt: C\u00e1c s\u1ea3n ph\u1ea9m \u0111\u00fac c\u00f3 \u0111\u01b0\u1eddng k\u00ednh l\u1ed7 r\u1ed7 l\u1edbn h\u01a1n 2mm ph\u1ea3i \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf, kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e9p m\u00e0i v\u00e0 tr\u00e1m.<\/span><\/li>\n<\/ul>\n<h3><b>EN 10222 &#8220;Pressure Forgings &#8220;<\/b><\/h3>\n<p><b>C\u00e1c l\u0129nh v\u1ef1c c\u00f4ng ngh\u1ec7 c\u1ed1t l\u00f5i:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u1ea5p \u0111\u1ed9 r\u00e8n:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">C\u1ea5p<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Y\u00eau c\u1ea7u ki\u1ec3m th\u1eed<\/span><\/td>\n<td><span style=\"font-weight: 400;\">M\u1ee9c \u00e1p su\u1ea5t \u00e1p d\u1ee5ng<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">L\u1edbp 1<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Kh\u00f4ng c\u00f3 NDT<\/span><\/td>\n<td><span style=\"font-weight: 400;\">PN10~PN25<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">L\u1edbp 3<\/span><\/td>\n<td><span style=\"font-weight: 400;\">100% UT+RT<\/span><\/td>\n<td><span style=\"font-weight: 400;\">PN40~PN100<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">L\u1edbp 4<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ki\u1ec3m tra t\u00e1c \u0111\u1ed9ng b\u1ed5 sung<\/span><\/td>\n<td><span style=\"font-weight: 400;\">PN160~PN400<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt x\u1eed l\u00fd nhi\u1ec7t:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">T\u00f4i luy\u1ec7n v\u00e0 ram (\u00e1p d\u1ee5ng cho th\u00e9p C-Mn, \u0111\u1ed9 c\u1ee9ng \u2264 250HB).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">T\u00f4i + ram (\u00e1p d\u1ee5ng cho th\u00e9p h\u1ee3p kim, \u0111\u1ed9 c\u1ee9ng \u2264300HB).<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b>C\u00e1c tr\u01b0\u1eddng h\u1ee3p \u1ee9ng d\u1ee5ng:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Van si\u00eau \u00e1p su\u1ea5t: Th\u00e2n van l\u00f2 ph\u1ea3n \u1ee9ng hydro h\u00f3a PN400 s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u r\u00e8n lo\u1ea1i 4.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Y\u00eau c\u1ea7u v\u1ec1 kh\u1ea3 n\u0103ng ch\u1ecbu va \u0111\u1eadp \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p: N\u0103ng l\u01b0\u1ee3ng va \u0111\u1eadp \u2265 40J \u1edf -46\u2103 (y\u00eau c\u1ea7u b\u1eaft bu\u1ed9c \u0111\u1ed1i v\u1edbi van LNG).<\/span><\/li>\n<\/ul>\n<h3><b>EN 10088 &#8220;General Technical Requirements for Stainless Steels&#8221;\u200b\u200b<\/b><\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-19604\" src=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/066e9291e63f4b8f7f7c567e0cc4ef9.png\" alt=\"V\u1eadt li\u1ec7u van: t\u1ea5m th\u00e9p kh\u00f4ng g\u1ec9\" width=\"2000\" height=\"800\" srcset=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/066e9291e63f4b8f7f7c567e0cc4ef9.png 2000w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/066e9291e63f4b8f7f7c567e0cc4ef9-768x307.png 768w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/066e9291e63f4b8f7f7c567e0cc4ef9-1536x614.png 1536w\" sizes=\"auto, (max-width: 2000px) 100vw, 2000px\" \/><\/p>\n<p><b>C\u00e1c l\u0129nh v\u1ef1c c\u00f4ng ngh\u1ec7 c\u1ed1t l\u00f5i:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ph\u00e2n lo\u1ea1i kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Th\u01b0\u01a1ng hi\u1ec7u<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Gi\u00e1 tr\u1ecb PREN (t\u01b0\u01a1ng \u0111\u01b0\u01a1ng kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n r\u1ed7)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n th\u00f4ng \u00e1p d\u1ee5ng<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">1.4401 (316)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u226535<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Axit y\u1ebfu, n\u01b0\u1edbc bi\u1ec3n (Cl\u207b\u2264200ppm)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">1,4539 (904L)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u226545<\/span><\/td>\n<td><span style=\"font-weight: 400;\">M\u00f4i tr\u01b0\u1eddng ch\u1ee9a axit m\u1ea1nh v\u00e0 ion Cl\u207b<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">X\u1eed l\u00fd b\u1ec1 m\u1eb7t:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">\u0110\u00e1nh b\u00f3ng \u0111i\u1ec7n ph\u00e2n (Ra\u22640,8\u03bcm, d\u00e0nh cho van d\u00f9ng trong ng\u00e0nh th\u1ef1c ph\u1ea9m).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">T\u1ea9y g\u1ec9 v\u00e0 th\u1ee5 \u0111\u1ed9ng h\u00f3a (lo\u1ea1i b\u1ecf l\u1edbp oxit v\u00e0 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n).<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b>Tr\u01b0\u1eddng h\u1ee3p th\u1ea5t b\u1ea1i:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Van bi 316L trong m\u1ed9t nh\u00e0 m\u00e1y h\u00f3a ch\u1ea5t b\u1ecb n\u1ee9t do \u0103n m\u00f2n \u1ee9ng su\u1ea5t Cl\u207b, v\u1ea5n \u0111\u1ec1 \u0111\u00e3 \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft sau khi thay th\u1ebf b\u1eb1ng lo\u1ea1i 1.4529 (th\u00e9p si\u00eau song pha).<\/span><\/li>\n<\/ul>\n<h3><b>EN 10204\u300aC\u00e1c lo\u1ea1i ch\u1ee9ng nh\u1eadn v\u1eadt li\u1ec7u\u300b\u200b\u200b<\/b><\/h3>\n<p><b>C\u00e1c y\u00eau c\u1ea7u c\u1ed1t l\u00f5i:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u1ea5p \u0111\u1ed9 ch\u1ee9ng ch\u1ec9:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Lo\u1ea1i ch\u1ee9ng ch\u1ec9<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Nh\u00f3m th\u1eed nghi\u1ec7m<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00e1c tr\u01b0\u1eddng h\u1ee3p \u00e1p d\u1ee5ng<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">3.1<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u1ef1 ki\u1ec3m tra nh\u00e0 m\u00e1y th\u00e9p<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Van c\u00f4ng nghi\u1ec7p th\u00f4ng th\u01b0\u1eddng<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">3.2<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ph\u00f2ng th\u00ed nghi\u1ec7m b\u00ean th\u1ee9 ba<\/span><\/td>\n<td><span style=\"font-weight: 400;\">N\u0103ng l\u01b0\u1ee3ng h\u1ea1t nh\u00e2n, van PED lo\u1ea1i III\/IV<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">N\u1ed9i dung t\u1ec7p:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc, t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc, b\u00e1o c\u00e1o ki\u1ec3m tra kh\u00f4ng ph\u00e1 h\u1ee7y (ch\u1ec9 y\u00eau c\u1ea7u \u0111\u1ed1i v\u1edbi ch\u1ee9ng ch\u1ec9 3.2).<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Chi ph\u00ed tu\u00e2n th\u1ee7: Gi\u00e1 v\u1eadt li\u1ec7u ch\u1ee9ng nh\u1eadn 3.2 cao h\u01a1n 15%~30% so v\u1edbi v\u1eadt li\u1ec7u ch\u1ee9ng nh\u1eadn 3.1.<\/span><\/p>\n<h3><b>So s\u00e1nh k\u1ef9 thu\u1eadt: H\u1ec7 th\u1ed1ng v\u1eadt li\u1ec7u EN so v\u1edbi ASME<\/b><\/h3>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">K\u00edch th\u01b0\u1edbc<\/span><\/td>\n<td><span style=\"font-weight: 400;\">H\u1ec7 th\u1ed1ng ti\u00eau chu\u1ea9n EN<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n ASME<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u00e1c \u0111\u1ed9ng kh\u00e1c bi\u1ec7t<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Ch\u1ee9ng nh\u1eadn v\u1eadt li\u1ec7u<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 10204 3.1\/3.2 (B\u1eaft bu\u1ed9c ph\u1ea3i c\u00f3 s\u1ef1 ch\u1ee9ng nh\u1eadn c\u1ee7a b\u00ean th\u1ee9 ba)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n ASME II (T\u1ef1 ki\u1ec3m tra nh\u00e0 m\u00e1y th\u00e9p)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">V\u1eadt li\u1ec7u EN \u0111\u1eaft h\u01a1n, nh\u01b0ng \u0111\u1ed9 tin c\u1eady c\u1ee7a d\u1eef li\u1ec7u r\u1ea5t cao (\u0111i\u1ec1u b\u1eaft bu\u1ed9c \u0111\u1ed1i v\u1edbi n\u0103ng l\u01b0\u1ee3ng h\u1ea1t nh\u00e2n).<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Gi\u00e1 tr\u1ecb PREN \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i r\u00f5 r\u00e0ng (EN 10088)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">M\u00e3 s\u1ed1 UNS (nh\u01b0 S31600) kh\u00f4ng c\u00f3 \u0111\u1ecbnh ngh\u0129a gi\u00e1 tr\u1ecb PREN.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN gi\u00fap l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u d\u1ec5 d\u00e0ng h\u01a1n v\u00e0 ph\u00f9 h\u1ee3p tr\u1ef1c ti\u1ebfp v\u1edbi \u0111\u1ed9 \u0103n m\u00f2n c\u1ee7a m\u00f4i tr\u01b0\u1eddng.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Ki\u1ec3m tra r\u00e8n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 10222 L\u1edbp 3\/4 (100% UT\/RT)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ASME SA-105 (ch\u1ec9 ki\u1ec3m tra \u0111\u1ed9 c\u1ee9ng)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00e1c s\u1ea3n ph\u1ea9m r\u00e8n EN c\u00f3 t\u1ef7 l\u1ec7 l\u1ed7i th\u1ea5p h\u01a1n, nh\u01b0ng chu k\u1ef3 s\u1ea3n xu\u1ea5t k\u00e9o d\u00e0i th\u00eam 20%~30%.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">C\u00e1c h\u1ea1n ch\u1ebf \u0111\u1ed1i v\u1edbi vi\u1ec7c s\u1eeda ch\u1eefa b\u1eb1ng h\u00e0n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">S\u1eeda ch\u1eefa m\u1ed1i h\u00e0n theo ti\u00eau chu\u1ea9n EN 10213 kh\u00f4ng qu\u00e1 2 l\u1ea7n v\u00e0 c\u1ea7n ph\u1ea3i c\u00f3 x\u00e1c minh b\u1eb1ng si\u00eau \u00e2m (UT).<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n ASME B16.34 cho ph\u00e9p s\u1eeda ch\u1eefa b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p m\u00e0i (kh\u00f4ng gi\u1edbi h\u1ea1n s\u1ed1 l\u1ea7n).<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n EN kh\u1eaft khe h\u01a1n, nh\u01b0ng gi\u1ea3m nguy c\u01a1 t\u1eadp trung \u1ee9ng su\u1ea5t do s\u1eeda ch\u1eefa b\u1eb1ng m\u1ed1i h\u00e0n.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h1><b>Ti\u00eau chu\u1ea9n h\u00f3a k\u1ebft n\u1ed1i v\u00e0 giao di\u1ec7n<\/b><\/h1>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-19603\" src=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/712746e1f1bee951488af569e7c8195.png\" alt=\"Giao di\u1ec7n v\u00e0 k\u1ebft n\u1ed1i \u1ed1ng van\" width=\"2000\" height=\"800\" srcset=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/712746e1f1bee951488af569e7c8195.png 2000w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/712746e1f1bee951488af569e7c8195-768x307.png 768w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/712746e1f1bee951488af569e7c8195-1536x614.png 1536w\" sizes=\"auto, (max-width: 2000px) 100vw, 2000px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">\u0110\u1ea3m b\u1ea3o t\u00ednh t\u01b0\u01a1ng th\u00edch v\u00e0 kh\u1ea3 n\u0103ng thay th\u1ebf gi\u1eefa c\u00e1c van, \u0111\u01b0\u1eddng \u1ed1ng v\u00e0 b\u1ed9 truy\u1ec1n \u0111\u1ed9ng, \u0111\u1ed3ng th\u1eddi gi\u1ea3m chi ph\u00ed \u0111i\u1ec1u ch\u1ec9nh k\u1ef9 thu\u1eadt.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n s\u1ed1.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u00ean ti\u00eau chu\u1ea9n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u0110\u1ecbnh ngh\u0129a c\u00f4ng ngh\u1ec7 giao di\u1ec7n<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 1092-1<\/span><\/td>\n<td><span style=\"font-weight: 400;\">M\u1eb7t b\u00edch th\u00e9p (d\u00f2ng PN)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">K\u00edch th\u01b0\u1edbc m\u1eb7t b\u00edch PN6~PN400 v\u00e0 y\u00eau c\u1ea7u x\u1eed l\u00fd b\u1ec1 m\u1eb7t l\u00e0m k\u00edn<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 1759-1<\/span><\/td>\n<td><span style=\"font-weight: 400;\">M\u1eb7t b\u00edch th\u00e9p (Lo\u1ea1i series)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Quy t\u1eafc chuy\u1ec3n \u0111\u1ed5i m\u1eb7t b\u00edch ti\u00eau chu\u1ea9n M\u1ef9 lo\u1ea1i 150~2500 sang ti\u00eau chu\u1ea9n ch\u00e2u \u00c2u<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN ISO 5211<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Giao di\u1ec7n b\u1ed9 truy\u1ec1n \u0111\u1ed9ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ph\u00e2n lo\u1ea1i kh\u1ea3 n\u0103ng truy\u1ec1n m\u00f4-men xo\u1eafn c\u1ee7a m\u1eb7t b\u00edch F03~F14<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 558<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u1ea5u tr\u00fac \u0111\u1ea7u van<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n v\u00e1t m\u00e9p v\u00e0 x\u1eed l\u00fd b\u1ec1 m\u1eb7t c\u1ee7a m\u1eb7t b\u00edch\/ren\/k\u1eb9p<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch: M\u1eb7t b\u00edch EN 1092-1 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c v\u1edbi m\u1eb7t b\u00edch ASME B16.5 Lo\u1ea1i 150.<\/span><\/p>\n<h3><b>\u00a0Ti\u00eau chu\u1ea9n EN 1092-1: M\u1eb7t b\u00edch v\u00e0 c\u00e1c m\u1ed1i n\u1ed1i c\u1ee7a ch\u00fang.<\/b><\/h3>\n<p><b>C\u00e1c l\u0129nh v\u1ef1c c\u00f4ng ngh\u1ec7 c\u1ed1t l\u00f5i:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Lo\u1ea1i m\u1eb7t b\u00edch v\u00e0 b\u1ec1 m\u1eb7t l\u00e0m k\u00edn:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Lo\u1ea1i m\u1eb7t b\u00edch<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Lo\u1ea1i b\u1ec1 m\u1eb7t ni\u00eam phong<\/span><\/td>\n<td><span style=\"font-weight: 400;\">M\u1ee9c \u00e1p su\u1ea5t \u00e1p d\u1ee5ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00e1c k\u1ecbch b\u1ea3n \u1ee9ng d\u1ee5ng \u0111i\u1ec3n h\u00ecnh<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">M\u1eb7t b\u00edch t\u1ea5m (PL)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">N\u00e2ng m\u1eb7t l\u00ean (RF)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">PN10~PN40<\/span><\/td>\n<td><span style=\"font-weight: 400;\">X\u1eed l\u00fd n\u01b0\u1edbc, \u0111\u01b0\u1eddng \u1ed1ng HVAC<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">M\u1eb7t b\u00edch h\u00e0n \u0111\u1ed1i \u0111\u1ea7u (WN)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Kh\u1edbp v\u00f2ng (RJ)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">PN63~PN400<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ng\u00e0nh h\u00f3a d\u1ea7u, \u0111\u01b0\u1eddng \u1ed1ng d\u1eabn kh\u00ed h\u00f3a l\u1ecfng \u00e1p su\u1ea5t cao<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">M\u1eb7t b\u00edch l\u1ecfng (LJ)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">M\u1eb7t ph\u1eb3ng (FF)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">PN6~PN16<\/span><\/td>\n<td><span style=\"font-weight: 400;\">M\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n (\u0111\u01b0\u1eddng \u1ed1ng ng\u00e2m t\u1ea9y)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">So s\u00e1nh m\u1ee9c \u00e1p su\u1ea5t:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">M\u1eb7t b\u00edch EN (PN)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u01b0\u01a1ng t\u1ef1 nh\u01b0 ti\u00eau chu\u1ea9n ASME.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">sai s\u1ed1 kho\u1ea3ng c\u00e1ch t\u00e2m l\u1ed7 bu l\u00f4ng<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">PN16<\/span><\/td>\n<td><span style=\"font-weight: 400;\">L\u1edbp 150<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u00b11,0mm<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">PN40<\/span><\/td>\n<td><span style=\"font-weight: 400;\">L\u1edbp 300<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u00b11,5mm<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">PN100<\/span><\/td>\n<td><span style=\"font-weight: 400;\">L\u1edbp 600<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u00b12,0mm<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Nh\u00f3m v\u1eadt li\u1ec7u:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Nh\u00f3m 1: Th\u00e9p cacbon (C22.8)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Nh\u00f3m 2: Th\u00e9p kh\u00f4ng g\u1ec9 (1.4401)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Nh\u00f3m 3: H\u1ee3p kim g\u1ed1c niken (Inconel 625)<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kh\u00f4ng kh\u1edbp: Vi\u1ec7c \u00e9p m\u1eb7t b\u00edch lo\u1ea1i 150 (ASME B16.5) v\u00e0o \u1ed1ng PN16 (EN 1092-1) s\u1ebd d\u1eabn \u0111\u1ebfn c\u00e1c l\u1ed7 bu l\u00f4ng b\u1ecb l\u1ec7ch.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Gi\u1ea3i ph\u00e1p: S\u1eed d\u1ee5ng m\u1eb7t b\u00edch chuy\u1ec3n \u0111\u1ed5i (\u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf theo ti\u00eau chu\u1ea9n EN 1759-1 v\u00e0 ASME B16.47).<\/span><\/li>\n<\/ul>\n<h3><b>EN 1759-1 &#8220;American Series Flanges&#8221;\u200b\u200b<\/b><\/h3>\n<p><b>\u0110\u1ecbnh v\u1ecb \u0111\u1eb7c bi\u1ec7t:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0110\u1eb7c t\u00ednh ti\u00eau chu\u1ea9n: T\u01b0\u01a1ng th\u00edch v\u1edbi m\u1eb7t b\u00edch ki\u1ec3u M\u1ef9 (Lo\u1ea1i 150~2500) theo ti\u00eau chu\u1ea9n EN, nh\u01b0ng v\u1edbi dung sai k\u00edch th\u01b0\u1edbc nghi\u00eam ng\u1eb7t h\u01a1n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0110i\u1ec3m kh\u00e1c bi\u1ec7t ch\u00ednh:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Tham s\u1ed1<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 1759-1<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ASME B16.5<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">\u0110\u1ed9 d\u00e0y m\u1eb7t b\u00edch<\/span><\/td>\n<td><span style=\"font-weight: 400;\">+0,5mm~-0,3mm<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u00b11,0mm<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">\u0110\u01b0\u1eddng k\u00ednh l\u1ed7 bu l\u00f4ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">K\u00edch th\u01b0\u1edbc bu l\u00f4ng ho\u00e0n to\u00e0n kh\u1edbp nhau<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Cho ph\u00e9p l\u1ec1 +0,5mm<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><b>C\u00e1c tr\u01b0\u1eddng h\u1ee3p \u1ee9ng d\u1ee5ng:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00e1c d\u1ef1 \u00e1n xuy\u00ean qu\u1ed1c gia: Khi thi\u1ebft b\u1ecb ch\u00e2u \u00c2u (EN 1092-1) \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi \u0111\u01b0\u1eddng \u1ed1ng c\u1ee7a M\u1ef9 (ASME B16.5), ng\u01b0\u1eddi ta s\u1eed d\u1ee5ng b\u1ed9 chuy\u1ec3n \u0111\u1ed5i m\u1eb7t b\u00edch EN 1759-1.<\/span><\/li>\n<\/ul>\n<h3><b>EN ISO 5211 &#8220;Valve drive installation interface&#8221;\u200b\u200b<\/b><\/h3>\n<p><b>Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ch\u00ednh:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">K\u00edch th\u01b0\u1edbc giao di\u1ec7n \u1ed5 \u0111\u0129a:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">M\u00e3 giao di\u1ec7n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">K\u00edch th\u01b0\u1edbc \u0111\u1ea7u truy\u1ec1n \u0111\u1ed9ng vu\u00f4ng (mm)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">M\u00f4men xo\u1eafn c\u1ef1c \u0111\u1ea1i (Nm)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Lo\u1ea1i b\u1ed9 truy\u1ec1n \u0111\u1ed9ng \u00e1p d\u1ee5ng<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">F03<\/span><\/td>\n<td><span style=\"font-weight: 400;\">15\u00d715<\/span><\/td>\n<td><span style=\"font-weight: 400;\">50<\/span><\/td>\n<td><span style=\"font-weight: 400;\">B\u1ed9 truy\u1ec1n \u0111\u1ed9ng kh\u00ed n\u00e9n nh\u1ecf<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">10<\/span><\/td>\n<td><span style=\"font-weight: 400;\">50\u00d750<\/span><\/td>\n<td><span style=\"font-weight: 400;\">1000<\/span><\/td>\n<td><span style=\"font-weight: 400;\">B\u1ed9 truy\u1ec1n \u0111\u1ed9ng \u0111i\u1ec7n (van DN200)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">F16<\/span><\/td>\n<td><span style=\"font-weight: 400;\">100\u00d7100<\/span><\/td>\n<td><span style=\"font-weight: 400;\">5000<\/span><\/td>\n<td><span style=\"font-weight: 400;\">B\u1ed9 truy\u1ec1n \u0111\u1ed9ng th\u1ee7y l\u1ef1c (DN600 tr\u1edf l\u00ean)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Dung sai l\u1eafp \u0111\u1eb7t:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Sai s\u1ed1 \u0111\u1ed3ng tr\u1ee5c c\u1ee7a tr\u1ee5c truy\u1ec1n \u0111\u1ed9ng l\u00e0 \u22640,1mm\/m.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Sai s\u1ed1 \u0111\u1ed9 song song b\u1ec1 m\u1eb7t m\u1eb7t b\u00edch \u2264 0,05mm.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b>Tr\u01b0\u1eddng h\u1ee3p th\u1ea5t b\u1ea1i:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">M\u00f4-men xo\u1eafn kh\u00f4ng \u0111\u1ee7: Van bi DN300 (y\u00eau c\u1ea7u 2000Nm) \u0111\u01b0\u1ee3c trang b\u1ecb giao di\u1ec7n F10 (t\u1ed1i \u0111a 1000Nm), d\u1eabn \u0111\u1ebfn qu\u00e1 t\u1ea3i v\u00e0 h\u01b0 h\u1ecfng b\u1ed9 truy\u1ec1n \u0111\u1ed9ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">K\u1ebf ho\u1ea1ch c\u1ea3i ti\u1ebfn: N\u00e2ng c\u1ea5p l\u00ean giao di\u1ec7n F14 (kh\u1ea3 n\u0103ng ch\u1ecbu m\u00f4-men xo\u1eafn 3000Nm).<\/span><\/li>\n<\/ul>\n<h3><b>\u00a0EN 558 &#8220;Valve end face and structural length &#8220;<\/b><\/h3>\n<p><b>Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ch\u00ednh:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Chu\u1ed7i chi\u1ec1u d\u00e0i c\u1ea5u tr\u00fac:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Lo\u1ea1t<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Lo\u1ea1i van \u00e1p d\u1ee5ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u1ee8ng d\u1ee5ng \u0111i\u1ec3n h\u00ecnh<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Lo\u1ea1t 1<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Van c\u00f4ng nghi\u1ec7p th\u00f4ng d\u1ee5ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00f4ng nghi\u1ec7p h\u00f3a ch\u1ea5t, x\u1eed l\u00fd n\u01b0\u1edbc<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Lo\u1ea1t 4<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Van ng\u1eafn<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00e1c t\u00ecnh hu\u1ed1ng h\u1ea1n ch\u1ebf v\u1ec1 kh\u00f4ng gian (ph\u00f2ng m\u00e1y t\u00e0u)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Lo\u1ea1t 14<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Van d\u00e0i<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 \u00e1p su\u1ea5t cao (van h\u01a1i ch\u00ednh c\u1ee7a nh\u00e0 m\u00e1y nhi\u1ec7t \u0111i\u1ec7n)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Y\u00eau c\u1ea7u x\u1eed l\u00fd b\u1ec1 m\u1eb7t cu\u1ed1i c\u00f9ng:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Gi\u00e1 tr\u1ecb Ra: B\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac Ra\u22643,2\u03bcm, b\u1ec1 m\u1eb7t kh\u00f4ng ti\u1ebfp x\u00fac Ra\u226412,5\u03bcm.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">G\u00f3c v\u00e1t c\u1ea1nh: 30\u00b0\u00b12\u00b0 (\u0111\u1ec3 tr\u00e1nh l\u00e0m tr\u1ea7y x\u01b0\u1edbc b\u1ec1 m\u1eb7t gio\u0103ng trong qu\u00e1 tr\u00ecnh l\u1eafp \u0111\u1eb7t).<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b>\u1ee8ng d\u1ee5ng trong c\u00f4ng nghi\u1ec7p:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Van \u0111i\u1ec1u khi\u1ec3n \u0111\u00f4ng l\u1ea1nh LNG: D\u00f2ng Series 4 r\u00fat ng\u1eafn chi\u1ec1u d\u00e0i c\u1ea5u tr\u00fac v\u00e0 gi\u1ea3m t\u1ed5n th\u1ea5t c\u00f4ng su\u1ea5t l\u00e0m l\u1ea1nh.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Van hydro h\u00f3a: D\u00f2ng 14 c\u00f3 c\u1ea5u tr\u00fac d\u00e0i h\u01a1n v\u00e0 gi\u1ea3m s\u1ef1 t\u1eadp trung \u1ee9ng su\u1ea5t nhi\u1ec7t.<\/span><\/li>\n<\/ul>\n<h3><b>So s\u00e1nh c\u00f4ng ngh\u1ec7: Ti\u00eau chu\u1ea9n k\u1ebft n\u1ed1i EN so v\u1edbi ASME\/ISO<\/b><\/h3>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">K\u00edch th\u01b0\u1edbc<\/span><\/td>\n<td><span style=\"font-weight: 400;\">H\u1ec7 th\u1ed1ng ti\u00eau chu\u1ea9n EN<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n ASME\/ISO<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Nh\u1eefng \u0111i\u1ec3m kh\u00e1c bi\u1ec7t v\u00e0 t\u00e1c \u0111\u1ed9ng ch\u00ednh<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Lo\u1ea1i m\u1eb7t b\u00edch<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 1092-1 (D\u00f2ng PN) + EN 1759-1 (D\u00f2ng lo\u1ea1i)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ASME B16.5\/B16.47 (Lo\u1ea1i)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Dung sai \u0111\u1ed9 d\u00e0y m\u1eb7t b\u00edch EN ch\u1eb7t ch\u1ebd h\u01a1n (\u00b10,3mm so v\u1edbi \u00b11,0mm), nh\u01b0ng chi ph\u00ed mua s\u1eafm cao h\u01a1n t\u1eeb 15% \u0111\u1ebfn 20%.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">\u0110\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t ni\u00eam phong<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ra\u22643,2\u03bcm (EN 1092-1)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ra\u22646,3\u03bcm (ASME B16.5)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN c\u00f3 kh\u1ea3 n\u0103ng l\u00e0m k\u00edn t\u1ed1t h\u01a1n, nh\u01b0ng y\u00eau c\u1ea7u thi\u1ebft b\u1ecb gia c\u00f4ng \u0111\u1eb7c bi\u1ec7t (ch\u1eb3ng h\u1ea1n nh\u01b0 m\u00e1y ti\u1ec7n g\u01b0\u01a1ng).<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Giao di\u1ec7n ng\u01b0\u1eddi l\u00e1i<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n EN ISO 5211 (Giao di\u1ec7n d\u00f2ng F)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ISO 5211 (t\u01b0\u01a1ng \u0111\u01b0\u01a1ng)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ho\u00e0n to\u00e0n t\u01b0\u01a1ng th\u00edch, kh\u00f4ng c\u00f3 g\u00ec kh\u00e1c bi\u1ec7t.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Chi\u1ec1u d\u00e0i c\u1ea5u tr\u00fac<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 558 (Lo\u1ea1t 1\/4\/14)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ASME B16.10 (Lo\u1ea1i th\u00f4ng th\u01b0\u1eddng\/ng\u1eafn)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Van EN Series 4 c\u00f3 chi\u1ec1u d\u00e0i ng\u1eafn h\u01a1n van ASME (5%~10%) v\u00e0 ph\u00f9 h\u1ee3p h\u01a1n cho kh\u00f4ng gian nh\u1ecf g\u1ecdn.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h1><b>Ch\u1ee9ng nh\u1eadn an to\u00e0n v\u00e0 ch\u1ed1ng ch\u00e1y n\u1ed5.<\/b><\/h1>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-19586\" src=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/cdb80e75b8d5024a26510f8c6ef9a71.png\" alt=\"Van an to\u00e0n ch\u1ed1ng ch\u00e1y n\u1ed5.\" width=\"2000\" height=\"800\" srcset=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/cdb80e75b8d5024a26510f8c6ef9a71.png 2000w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/cdb80e75b8d5024a26510f8c6ef9a71-768x307.png 768w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/cdb80e75b8d5024a26510f8c6ef9a71-1536x614.png 1536w\" sizes=\"auto, (max-width: 2000px) 100vw, 2000px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">\u0110\u1ea3m b\u1ea3o v\u1eadn h\u00e0nh an to\u00e0n c\u00e1c van trong m\u00f4i tr\u01b0\u1eddng nguy hi\u1ec3m nh\u01b0 d\u1ec5 ch\u00e1y, n\u1ed5 v\u00e0 \u00e1p su\u1ea5t cao, tu\u00e2n th\u1ee7 c\u00e1c ch\u1ec9 th\u1ecb c\u1ee7a EU (nh\u01b0 ATEX 2014\/34\/EU) v\u00e0 c\u00e1c y\u00eau c\u1ea7u an to\u00e0n c\u01a1 kh\u00ed.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n s\u1ed1.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u00ean ti\u00eau chu\u1ea9n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt an to\u00e0n<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 1349<\/span><\/td>\n<td><span style=\"font-weight: 400;\">An to\u00e0n van \u0111i\u1ec1u khi\u1ec3n quy tr\u00ecnh c\u00f4ng nghi\u1ec7p<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Quy tr\u00ecnh ch\u1ee9ng nh\u1eadn an to\u00e0n ch\u1ee9c n\u0103ng SIL2\/SIL3<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 1703<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ch\u1ee9ng nh\u1eadn ch\u1ed1ng ch\u00e1y n\u1ed5 cho van (ATEX)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ki\u1ec3m so\u00e1t khe h\u1edf k\u1ebft c\u1ea5u cho m\u00f4i tr\u01b0\u1eddng ch\u1ea5t n\u1ed5 V\u00f9ng 1\/21 (\u22640,2mm)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 15001<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Quy \u0111\u1ecbnh an to\u00e0n v\u1ec1 van kh\u00ed<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u1ed1c \u0111\u1ed9 r\u00f2 r\u1ec9 kh\u00ed \u22640,25 ml\/ph\u00fat (ph\u01b0\u01a1ng ph\u00e1p ph\u00e1t hi\u1ec7n kh\u00ed metan)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 14382<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Van an to\u00e0n x\u1ea3 \u00e1p<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra \u0111\u1ed9ng v\u1ec1 th\u1eddi gian ph\u1ea3n h\u1ed3i qu\u00e1 \u00e1p \u2264 50ms<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">Hi\u1ec7p h\u1ed9i ch\u1ee9ng nh\u1eadn: Ti\u00eau chu\u1ea9n EN 1703, tham chi\u1ebfu b\u1eaft bu\u1ed9c theo ch\u1ec9 th\u1ecb ATEX 2014\/34\/EU.<\/span><\/p>\n<h3><b>EN 1349 &#8220;Safety Requirements for Industrial Process Control Valves&#8221;<\/b><\/h3>\n<p><b>C\u00e1c l\u0129nh v\u1ef1c c\u00f4ng ngh\u1ec7 c\u1ed1t l\u00f5i:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ki\u1ec3m tra ch\u1ee9c n\u0103ng an to\u00e0n:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Ch\u1ee9c n\u0103ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u00eau ch\u00ed \u0111\u1ee7 \u0111i\u1ec1u ki\u1ec7n<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">B\u1ea3o v\u1ec7 gi\u1edbi h\u1ea1n du l\u1ecbch<\/span><\/td>\n<td><span style=\"font-weight: 400;\">L\u1ed7i Overtravel 10% L\u1eb7p l\u1ea1i 50 l\u1ea7n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Kh\u00f4ng c\u00f3 h\u01b0 h\u1ecfng c\u01a1 h\u1ecdc, \u0111\u1ed9 l\u1ec7ch t\u00edn hi\u1ec7u \u2264\u00b11%<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">T\u1ef7 l\u1ec7 r\u00f2 r\u1ec9 (ch\u1ebf \u0111\u1ed9 h\u1ecfng h\u00f3c)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Th\u1eed nghi\u1ec7m sau khi \u0111\u00f3ng c\u1eeda c\u01b0\u1ee1ng b\u1ee9c (\u00e1p su\u1ea5t g\u1ea5p 1,1 l\u1ea7n \u00e1p su\u1ea5t thi\u1ebft k\u1ebf)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u22640,1\u00d7DN (ml\/ph\u00fat)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ki\u1ec3m tra \u0111\u1ed9 rung:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">C\u1ea5p<\/span><\/td>\n<td><span style=\"font-weight: 400;\">D\u1ea3i t\u1ea7n s\u1ed1 (Hz)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Gia t\u1ed1c (m\/s\u00b2)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Th\u1eddi l\u01b0\u1ee3ng (gi\u1edd)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">H\u1ea1ng A<\/span><\/td>\n<td><span style=\"font-weight: 400;\">10~150<\/span><\/td>\n<td><span style=\"font-weight: 400;\">20<\/span><\/td>\n<td><span style=\"font-weight: 400;\">24<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">H\u1ea1ng B<\/span><\/td>\n<td><span style=\"font-weight: 400;\">10~500<\/span><\/td>\n<td><span style=\"font-weight: 400;\">50<\/span><\/td>\n<td><span style=\"font-weight: 400;\">12<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">C\u00e1c tr\u01b0\u1eddng h\u1ee3p \u00e1p d\u1ee5ng: van \u0111i\u1ec1u ti\u1ebft h\u00f3a ch\u1ea5t, van \u0111i\u1ec1u ti\u1ebft \u00e1p su\u1ea5t kh\u00ed t\u1ef1 nhi\u00ean.<\/span><\/p>\n<h3><b>EN 1703 &#8220;Non-metallic material valve explosion-proof certification&#8221;\u200b\u200b<\/b><\/h3>\n<p><b>C\u00e1c y\u00eau c\u1ea7u c\u1ed1t l\u00f5i:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00e1y c\u1ee7a v\u1eadt li\u1ec7u:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Lo\u1ea1i v\u1eadt li\u1ec7u<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ch\u1ec9 s\u1ed1 oxy (OI)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 \u00e1p d\u1ee5ng (\u2103)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">PTFE<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u226595%<\/span><\/td>\n<td><span style=\"font-weight: 400;\">-50~+260<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Nylon gia c\u01b0\u1eddng (PA)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u226528%<\/span><\/td>\n<td><span style=\"font-weight: 400;\">-40~+120<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">B\u1ea3o v\u1ec7 ch\u1ed1ng t\u0129nh \u0111i\u1ec7n:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">\u0110i\u1ec7n tr\u1edf b\u1ec1 m\u1eb7t \u22641\u00d710\u2076\u03a9 (\u0111\u1ec3 ng\u0103n ng\u1eeba s\u1ef1 t\u00edch t\u1ee5 t\u0129nh \u0111i\u1ec7n).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">\u0110i\u1ec7n tr\u1edf n\u1ed1i \u0111\u1ea5t c\u1ee7a l\u00f5i kim lo\u1ea1i \u2264 0,1\u03a9.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">\u1ee8ng d\u1ee5ng \u0111i\u1ec3n h\u00ecnh: Van h\u1ec7 th\u1ed1ng clo (gio\u0103ng PTFE), van b\u01b0\u1edbm d\u00f9ng trong ng\u00e0nh th\u1ef1c ph\u1ea9m (\u0111\u1ec7m PA).<\/span><\/p>\n<h3><b>EN 15001 &#8220;General Requirements for Gas Explosion-Proof Valves&#8221;\u200b\u200b<\/b><\/h3>\n<ul>\n<li aria-level=\"1\"><b>C\u1ea5p \u0111\u1ed9 v\u00e0 ph\u1ea1m vi ch\u1ee9ng nh\u1eadn:<\/b><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">C\u1ea5p \u0111\u1ed9 ch\u1ed1ng ch\u00e1y n\u1ed5<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Nh\u00f3m kh\u00ed \u00e1p d\u1ee5ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ph\u00e2n lo\u1ea1i nhi\u1ec7t \u0111\u1ed9 (T-Class)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Nhi\u1ec7t \u0111\u1ed9 b\u1ec1 m\u1eb7t t\u1ed1i \u0111a (\u00b0C)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">\u200b\u200bII 2G Ex d\u200b\u200b<\/span><\/td>\n<td><span style=\"font-weight: 400;\">IIA (Propane)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T3 (\u2264200\u2103)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">200<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">\u200b\u200bII 3G B\u00e0i t\u1eadp e\u200b\u200b<\/span><\/td>\n<td><span style=\"font-weight: 400;\">IIB (etylen)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T4 (\u2264135\u2103)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">135<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">II 1G B\u00e0i t\u1eadp ia<\/span><\/td>\n<td><span style=\"font-weight: 400;\">IIC (Hydro)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T6 (\u226485\u2103)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">85<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><b>C\u00e1c b\u00e0i ki\u1ec3m tra ch\u00ednh:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Th\u1eed nghi\u1ec7m \u00e1p su\u1ea5t n\u1ed5: \u1ede \u00e1p su\u1ea5t g\u1ea5p 5 l\u1ea7n \u00e1p su\u1ea5t l\u00e0m vi\u1ec7c t\u1ed1i \u0111a, v\u1ecf kh\u00f4ng b\u1ecb bi\u1ebfn d\u1ea1ng v\u0129nh vi\u1ec5n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Khe h\u1edf ch\u1ed1ng n\u1ed5: \u22640,2mm (van hydro c\u1ea5p IIC).<\/span><\/li>\n<\/ul>\n<h3><b>EN 14382 &#8220;Overpressure Protection Safety Valve&#8221;\u200b\u200b<\/b><\/h3>\n<p><b>C\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ed1t l\u00f5i:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0110\u1eb7t \u0111\u1ed9 l\u1ec7ch \u00e1p su\u1ea5t:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">M\u1ee9c \u00e1p su\u1ea5t<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Sai l\u1ec7ch cho ph\u00e9p<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u1ef7 l\u1ec7 \u00e1p su\u1ea5t h\u1ed3i gh\u1ebf<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">PN10~PN40<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u00b13%<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u226590% \u00e1p su\u1ea5t c\u00e0i \u0111\u1eb7t<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">PN63~PN400<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u00b15%<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u226585% \u00e1p su\u1ea5t c\u00e0i \u0111\u1eb7t<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">X\u00e1c minh kh\u1ea3 n\u0103ng ph\u00e1t th\u1ea3i:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Lo\u1ea1i van<\/span><\/td>\n<td><span style=\"font-weight: 400;\">H\u1ec7 s\u1ed1 d\u00f2ng ch\u1ea3y (Kv)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">H\u1ec7 s\u1ed1 d\u1ecbch chuy\u1ec3n \u0111\u1ecbnh m\u1ee9c (%)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Kh\u1edfi \u0111\u1ea7u \u0111\u1ea7y \u0111\u1ee7<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u22651,2 l\u1ea7n gi\u00e1 tr\u1ecb l\u00fd thuy\u1ebft<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u226595%<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">L\u1ed7 nh\u1ecf<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u22650,8\u00d7gi\u00e1 tr\u1ecb l\u00fd thuy\u1ebft<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u226585%<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">C\u00e1c tr\u01b0\u1eddng h\u1ee3p \u1ee9ng d\u1ee5ng: Van x\u1ea3 \u00e1p su\u1ea5t b\u1ed3n ch\u1ee9a LNG, van an to\u00e0n l\u00f2 ph\u1ea3n \u1ee9ng.<\/span><\/p>\n<h3><b>EN 13611 &#8220;Safety Requirements for Gas Valves&#8221;\u200b\u200b<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">T\u1ed1c \u0111\u1ed9 r\u00f2 r\u1ec9 kh\u00ed: \u22640,01 ml\/ph\u00fat (m\u00f4i tr\u01b0\u1eddng metan, ph\u00e1t hi\u1ec7n heli).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0110\u1ed9 b\u1ec1n: T\u1ef7 l\u1ec7 r\u00f2 r\u1ec9 \u2264 0,05 ml\/ph\u00fat sau 20.000 l\u1ea7n \u0111\u00f3ng m\u1edf.<\/span><\/li>\n<\/ul>\n<h3><b>So s\u00e1nh c\u00f4ng ngh\u1ec7: Ch\u1ee9ng nh\u1eadn an to\u00e0n v\u00e0 ch\u1ed1ng ch\u00e1y n\u1ed5 PEN so v\u1edbi ASME\/ISO<\/b><\/h3>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">K\u00edch th\u01b0\u1edbc<\/span><\/td>\n<td><span style=\"font-weight: 400;\">H\u1ec7 th\u1ed1ng ti\u00eau chu\u1ea9n EN<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n ASME\/ISO<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Nh\u1eefng \u0111i\u1ec3m kh\u00e1c bi\u1ec7t v\u00e0 t\u00e1c \u0111\u1ed9ng ch\u00ednh<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Ch\u1ee9ng nh\u1eadn \u0111\u1ea1t ti\u00eau chu\u1ea9n ch\u1ed1ng ch\u00e1y n\u1ed5.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u200b\u200bEN 15001\u200b\u200b(II 2G Ex d)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ISO\/IEC 60079-1 (Ex d)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch ch\u1ee9ng nh\u1eadn: EN 15001 v\u00e0 ISO 60079-1 v\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt l\u00e0 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng, nh\u01b0ng EN y\u00eau c\u1ea7u ch\u1ee9ng nh\u1eadn t\u1eeb c\u01a1 quan NB c\u1ee7a EU, c\u00f2n ISO y\u00eau c\u1ea7u ch\u1ee9ng nh\u1eadn IECEx.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Ch\u1ea5t ch\u1ed1ng ch\u00e1y phi kim lo\u1ea1i<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u200b\u200bEN 1703\u200b\u200b(ch\u1ec9 s\u1ed1 oxy \u226595%)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n ISO 4589-2 (Ph\u00e2n lo\u1ea1i ch\u1ec9 s\u1ed1 oxy)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ph\u1ed1i h\u1ee3p ti\u00eau chu\u1ea9n: Ti\u00eau chu\u1ea9n EN 1703 tham chi\u1ebfu tr\u1ef1c ti\u1ebfp ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m ISO 4589-2, nh\u01b0ng EN c\u00f2n y\u00eau c\u1ea7u th\u00eam bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 t\u0129nh \u0111i\u1ec7n (\u0111i\u1ec7n tr\u1edf b\u1ec1 m\u1eb7t \u2264 1\u00d710\u2076\u03a9).<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Hi\u1ec7u su\u1ea5t van an to\u00e0n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u200b\u200bEN 14382\u200b\u200b (\u00c1p su\u1ea5t c\u00e0i \u0111\u1eb7t \u00b13%, Th\u1ec3 t\u00edch d\u1ecbch chuy\u1ec3n \u226595%)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">M\u1ee5c VIII c\u1ee7a ASME (\u00b110%, dung t\u00edch \u226590%)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">S\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 \u0111\u1ed9 ch\u00ednh x\u00e1c: Ti\u00eau chu\u1ea9n EN c\u00f3 s\u1ef1 ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd h\u01a1n v\u1ec1 \u00e1p su\u1ea5t, nh\u01b0ng ti\u00eau chu\u1ea9n ASME cho ph\u00e9p sai l\u1ec7ch l\u1edbn h\u01a1n (ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c k\u1ecbch b\u1ea3n c\u00f4ng nghi\u1ec7p chi ph\u00ed th\u1ea5p).<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Ch\u1ee9c n\u0103ng an to\u00e0n c\u1ee7a van \u0111i\u1ec1u khi\u1ec3n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 1349 (b\u1ea3o v\u1ec7 qu\u00e1 h\u00e0nh tr\u00ecnh, th\u1eed nghi\u1ec7m rung \u0111\u1ed9ng)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ANSI\/ISA 75.08 (ph\u1ea1m vi ch\u1ee9c n\u0103ng m\u1ed9t ph\u1ea7n)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ph\u1ea1m vi ch\u1ee9c n\u0103ng: Ti\u00eau chu\u1ea9n EN 1349 quy \u0111\u1ecbnh b\u1eaft bu\u1ed9c ph\u1ea3i c\u00f3 ch\u1ee9c n\u0103ng b\u1ea3o v\u1ec7 qu\u00e1 h\u00e0nh tr\u00ecnh, trong khi ANSI\/ISA 75.08 ch\u1ec9 khuy\u1ebfn ngh\u1ecb \u0111i\u1ec1u n\u00e0y, d\u1eabn \u0111\u1ebfn van theo ti\u00eau chu\u1ea9n EN \u0111\u00e1ng tin c\u1eady h\u01a1n nh\u01b0ng c\u00f3 gi\u00e1 cao h\u01a1n +20%.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">An to\u00e0n van gas<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u200b\u200bEN 13611\u200b\u200b (t\u1ed1c \u0111\u1ed9 r\u00f2 r\u1ec9 \u2264 0,01ml\/ph\u00fat)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ISO 23553-1 (t\u1ed1c \u0111\u1ed9 r\u00f2 r\u1ec9 \u2264 0,1ml\/ph\u00fat)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Gi\u1edbi h\u1ea1n r\u00f2 r\u1ec9: Ti\u00eau chu\u1ea9n EN nghi\u00eam ng\u1eb7t h\u01a1n ti\u00eau chu\u1ea9n ISO g\u1ea5p 10 l\u1ea7n, nh\u01b0ng y\u00eau c\u1ea7u thi\u1ebft b\u1ecb ph\u00e1t hi\u1ec7n kh\u00ed heli (chi ph\u00ed +15%).<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h1><b>C\u00e1c ti\u00eau chu\u1ea9n van chuy\u00ean ng\u00e0nh<\/b><\/h1>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-19605\" src=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/130350d4e6a531b2d79a1d7489d9361.png\" alt=\"Ti\u00eau chu\u1ea9n van chuy\u00ean ng\u00e0nh\" width=\"2000\" height=\"800\" srcset=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/130350d4e6a531b2d79a1d7489d9361.png 2000w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/130350d4e6a531b2d79a1d7489d9361-768x307.png 768w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/130350d4e6a531b2d79a1d7489d9361-1536x614.png 1536w\" sizes=\"auto, (max-width: 2000px) 100vw, 2000px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">C\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt \u0111\u1eb7c bi\u1ec7t c\u1ee7a van \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho c\u00e1c ng\u00e0nh d\u1ea7u kh\u00ed, kh\u00ed \u0111\u1ed1t, x\u1eed l\u00fd n\u01b0\u1edbc, t\u1ef1 \u0111\u1ed9ng h\u00f3a c\u00f4ng nghi\u1ec7p v\u00e0 c\u00e1c l\u0129nh v\u1ef1c kh\u00e1c nh\u1eb1m \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng th\u00edch \u1ee9ng v\u00e0 an to\u00e0n.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n s\u1ed1.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u00ean ti\u00eau chu\u1ea9n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Y\u00eau c\u1ea7u t\u00f9y ch\u1ec9nh c\u1ee7a ng\u00e0nh<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 1984<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00e1c y\u00eau c\u1ea7u chung \u0111\u1ed1i v\u1edbi van c\u00f4ng nghi\u1ec7p<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u01a1 b\u1ea3n cho ng\u00e0nh c\u00f4ng nghi\u1ec7p h\u00f3a ch\u1ea5t\/\u0111i\u1ec7n l\u1ef1c<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 1171<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Van c\u00f4ng nghi\u1ec7p b\u1eb1ng gang<\/span><\/td>\n<td><span style=\"font-weight: 400;\">H\u01b0\u1edbng d\u1eabn l\u1ef1a ch\u1ecdn van cho h\u1ec7 th\u1ed1ng x\u1eed l\u00fd n\u01b0\u1edbc\/s\u01b0\u1edfi \u1ea5m<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 161<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Van t\u1ef1 \u0111\u00f3ng kh\u00ed<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u01a1 c\u1ea5u k\u00edch ho\u1ea1t ch\u00eanh l\u1ec7ch \u00e1p su\u1ea5t 0,5 mbar cho van ng\u1eaft kh\u00ed d\u00e2n d\u1ee5ng<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 15714<\/span><\/td>\n<td><span style=\"font-weight: 400;\">B\u1ed9 truy\u1ec1n \u0111\u1ed9ng th\u1ee7y l\u1ef1c<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u0110\u1ed9 ch\u00ednh x\u00e1c \u0111\u1ed3ng b\u1ed9 c\u1ee7a xi lanh th\u1ee7y l\u1ef1c d\u00f9ng cho t\u00e0u th\u1ee7y v\u00e0 m\u00e1y m\u00f3c k\u1ef9 thu\u1eadt: \u00b10,1mm<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">\u1ee8ng d\u1ee5ng \u0111i\u1ec3n h\u00ecnh: Van EN 161 cho h\u1ec7 th\u1ed1ng kh\u00ed \u0111\u1ed1t gia \u0111\u00ecnh thu\u1ed9c EU (y\u00eau c\u1ea7u ch\u1ee9ng nh\u1eadn CE)<\/span><\/p>\n<h3><b>EN 1984 &#8220;Safety Requirements for Industrial Valves&#8221;<\/b><\/h3>\n<p><b>C\u00e1c l\u0129nh v\u1ef1c c\u00f4ng ngh\u1ec7 c\u1ed1t l\u00f5i:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ki\u1ec3m tra ch\u1ee9c n\u0103ng an to\u00e0n:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Ch\u1ee9c n\u0103ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u00eau ch\u00ed \u0111\u1ee7 \u0111i\u1ec1u ki\u1ec7n<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Th\u1eddi gian ph\u1ea3n h\u1ed3i ng\u1eaft kh\u1ea9n c\u1ea5p<\/span><\/td>\n<td><span style=\"font-weight: 400;\">K\u00edch ho\u1ea1t t\u00edn hi\u1ec7u \u0111\u1ec3 \u0111\u00f3ng ho\u00e0n to\u00e0n.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u22642 gi\u00e2y (l\u1eb7p l\u1ea1i 50 l\u1ea7n, \u0111\u1ed9 l\u1ec7ch \u2264\u00b15%)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Th\u1eed nghi\u1ec7m l\u1eeda<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u1ebfp x\u00fac v\u1edbi ng\u1ecdn l\u1eeda (1100\u2103, 30 ph\u00fat)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u1ed1c \u0111\u1ed9 r\u00f2 r\u1ec9 \u22640,1\u00d7DN (ml\/ph\u00fat)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Y\u00eau c\u1ea7u v\u1ec1 v\u1eadt li\u1ec7u:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">V\u1eadt li\u1ec7u th\u00e2n van: Th\u00e9p cacbon (1.0460) ho\u1eb7c th\u00e9p kh\u00f4ng g\u1ec9 (1.4401), \u0111\u1ea1t ch\u1ee9ng nh\u1eadn ISO 10474 3.1.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">V\u1eadt li\u1ec7u l\u00e0m k\u00edn: gio\u0103ng xo\u1eafn \u1ed1c b\u1eb1ng than ch\u00ec ho\u1eb7c kim lo\u1ea1i (ch\u1ecbu nhi\u1ec7t \u2265500\u2103).<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">\u1ee8ng d\u1ee5ng c\u00f4ng nghi\u1ec7p: Van bi ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao trong nh\u00e0 m\u00e1y l\u1ecdc d\u1ea7u, van ng\u1eaft kh\u1ea9n c\u1ea5p cho \u0111\u01b0\u1eddng \u1ed1ng d\u1eabn d\u1ea7u kh\u00ed.<\/span><\/p>\n<h3><b>EN 1171 &#8220;Design and testing of cast iron valves&#8221;\u200b\u200b<\/b><\/h3>\n<p><b>Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ch\u00ednh:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00e1c lo\u1ea1i gang v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Th\u01b0\u01a1ng hi\u1ec7u<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u0110\u1ed9 b\u1ec1n k\u00e9o (MPa)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">M\u00f4i tr\u01b0\u1eddng th\u00edch h\u1ee3p (kho\u1ea3ng pH)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN-JL1040<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u2265400<\/span><\/td>\n<td><span style=\"font-weight: 400;\">5~9 (ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc trung t\u00ednh)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN-JL2040<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u2265400 (Ni-Resist)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">2~12 (m\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Y\u00eau c\u1ea7u ki\u1ec3m th\u1eed:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Th\u1eed nghi\u1ec7m v\u1ecf: Duy tr\u00ec \u00e1p su\u1ea5t g\u1ea5p 2 l\u1ea7n PN trong 5 ph\u00fat (kh\u00f4ng r\u00f2 r\u1ec9).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">\u0110\u1ed9 b\u1ec1n: M\u00f4-men xo\u1eafn t\u0103ng \u226420% sau 10.000 chu k\u1ef3 \u0111\u00f3ng m\u1edf.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">\u1ee8ng d\u1ee5ng th\u1ef1c t\u1ebf: Van b\u01b0\u1edbm x\u1eed l\u00fd n\u01b0\u1edbc \u0111\u00f4 th\u1ecb, van c\u1ed5ng ch\u1ecbu \u0111\u01b0\u1ee3c axit h\u00f3a h\u1ecdc.<\/span><\/p>\n<h3><b>EN 161 &#8220;Automatic closing function of gas valves&#8221;\u200b\u200b<\/b><\/h3>\n<p><b>C\u00e1c y\u00eau c\u1ea7u ch\u00ednh:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0110i\u1ec1u ki\u1ec7n t\u1eaft m\u00e1y:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">T\u00edn hi\u1ec7u k\u00edch ho\u1ea1t<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Th\u1eddi gian ph\u1ea3n h\u1ed3i<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u1ef7 l\u1ec7 th\u1ea5t tho\u00e1t (sau khi \u0111\u00f3ng c\u1eeda)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">\u00c1p su\u1ea5t v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n (1,5\u00d7PN)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u22641 gi\u00e2y<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u22640,01 ml\/ph\u00fat (metan)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Nhi\u1ec7t \u0111\u1ed9 v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n (150\u00b0C)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u22643 gi\u00e2y<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u22640,05 ml\/ph\u00fat<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00e1y c\u1ee7a v\u1eadt li\u1ec7u:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Ch\u1ec9 s\u1ed1 oxy c\u1ee7a v\u1eadt li\u1ec7u th\u00e2n van l\u00e0 \u226528% (ISO 4589-2).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">M\u1ee9c \u0111\u1ed9 b\u1ea3o v\u1ec7 c\u1ee7a c\u00e1c linh ki\u1ec7n \u0111i\u1ec7n \u2265 IP67 (EN 60529).<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">\u1ee8ng d\u1ee5ng \u0111i\u1ec3n h\u00ecnh: van an to\u00e0n cho c\u00e1c tr\u1ea1m \u0111i\u1ec1u ch\u1ec9nh \u00e1p su\u1ea5t kh\u00ed t\u1ef1 nhi\u00ean, van tr\u01b0\u1edbc cho \u0111\u1ed3ng h\u1ed3 \u0111o kh\u00ed gia d\u1ee5ng.<\/span><\/p>\n<h3><b>EN 15714 &#8220;Actuator Test Standard&#8221;\u200b\u200b<\/b><\/h3>\n<p><b>N\u1ed9i dung ch\u00ednh:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00e1c m\u1ee5c ki\u1ec3m tra:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">D\u1ef1 \u00e1n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u0110i\u1ec1u ki\u1ec7n th\u1eed nghi\u1ec7m<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u00eau ch\u00ed ch\u1ea5p nh\u1eadn<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">B\u1ea3o v\u1ec7 qu\u00e1 t\u1ea3i<\/span><\/td>\n<td><span style=\"font-weight: 400;\">1,5 l\u1ea7n m\u00f4-men xo\u1eafn \u0111\u1ecbnh m\u1ee9c, 10 l\u1ea7n li\u00ean t\u1ee5c<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Kh\u00f4ng c\u00f3 bi\u1ebfn d\u1ea1ng c\u1ea5u tr\u00fac, dao \u0111\u1ed9ng d\u00f2ng \u0111i\u1ec7n \u2264\u00b110%<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ng\u00e2m trong n\u01b0\u1edbc s\u00e2u 2 m\u00e9t trong 30 ph\u00fat.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u0110\u1ed9 \u1ea9m b\u00ean trong \u226485%<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">M\u00f4-men xo\u1eafn kh\u1edfi \u0111\u1ed9ng \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u0110\u00e3 \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m \u1edf -40\u2103<\/span><\/td>\n<td><span style=\"font-weight: 400;\">M\u00f4men xo\u1eafn kh\u1edfi \u0111\u1ed9ng \u2264 150% \u1edf nhi\u1ec7t \u0111\u1ed9 b\u00ecnh th\u01b0\u1eddng<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">\u1ee8ng d\u1ee5ng c\u00f4ng nghi\u1ec7p: B\u1ed9 truy\u1ec1n \u0111\u1ed9ng \u0111i\u1ec7n cho van \u0111i\u1ec1u khi\u1ec3n h\u00f3a ch\u1ea5t, thi\u1ebft b\u1ecb truy\u1ec1n \u0111\u1ed9ng th\u1ee7y l\u1ef1c cho nh\u00e0 m\u00e1y th\u1ee7y \u0111i\u1ec7n.<\/span><\/p>\n<h3><b>So s\u00e1nh c\u00f4ng ngh\u1ec7: Ti\u00eau chu\u1ea9n EN so v\u1edbi ti\u00eau chu\u1ea9n c\u00f4ng nghi\u1ec7p ASME\/ISO<\/b><\/h3>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">K\u00edch th\u01b0\u1edbc<\/span><\/td>\n<td><span style=\"font-weight: 400;\">H\u1ec7 th\u1ed1ng ti\u00eau chu\u1ea9n EN<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n ASME\/ISO<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Nh\u1eefng \u0111i\u1ec3m kh\u00e1c bi\u1ec7t v\u00e0 t\u00e1c \u0111\u1ed9ng ch\u00ednh<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Van an to\u00e0n kh\u00ed gas<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n EN 161 (th\u1eddi gian \u0111\u00f3ng \u2264 1 gi\u00e2y, r\u00f2 r\u1ec9 \u2264 0,01ml\/ph\u00fat)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u200b\u200bISO 23553-1\u200b\u200b (th\u1eddi gian \u0111\u00f3ng \u2264 3 gi\u00e2y, r\u00f2 r\u1ec9 \u2264 0,1ml\/ph\u00fat)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN c\u00f3 kh\u1ea3 n\u0103ng ph\u1ea3n h\u1ed3i nhanh h\u01a1n v\u00e0 ki\u1ec3m so\u00e1t r\u00f2 r\u1ec9 t\u1ed1t h\u01a1n, nh\u01b0ng chi ph\u00ed b\u1ed9 truy\u1ec1n \u0111\u1ed9ng t\u0103ng l\u00ean 20%.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Van gang<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n EN 1171 (ch\u1ecbu \u0111\u01b0\u1ee3c pH 2~12, gang ch\u1ecbu \u0111\u01b0\u1ee3c niken)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">AWWA C500 (ch\u1ecbu \u0111\u01b0\u1ee3c pH 5~9, gang th\u00f4ng th\u01b0\u1eddng)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c m\u00f4i tr\u01b0\u1eddng c\u00f3 t\u00ednh \u0103n m\u00f2n cao, v\u00e0 chi ph\u00ed v\u1eadt li\u1ec7u t\u0103ng l\u00ean so v\u1edbi 30%.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">C\u01a1 quan \u0111i\u1ec1u h\u00e0nh<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n EN 15714 (b\u1eaft bu\u1ed9c ph\u1ea3i \u0111\u1ea1t chu\u1ea9n ch\u1ed1ng n\u01b0\u1edbc IP67)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ASME B16.34 (kh\u00f4ng c\u00f3 y\u00eau c\u1ea7u b\u1eaft bu\u1ed9c v\u1ec1 ch\u1ed1ng th\u1ea5m)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN ph\u00f9 h\u1ee3p v\u1edbi m\u00f4i tr\u01b0\u1eddng bi\u1ec3n\/\u1ea9m \u01b0\u1edbt v\u00e0 y\u00eau c\u1ea7u n\u00e2ng c\u1ea5p quy tr\u00ecnh l\u00e0m k\u00edn (chi ph\u00ed +15%).<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">An to\u00e0n van c\u00f4ng nghi\u1ec7p<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n EN 1984 (ch\u1ed1ng ch\u00e1y trong 30 ph\u00fat, r\u00f2 r\u1ec9 \u2264 0,1\u00d7DN)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">API 607 \u200b\u200b\u200b\u200b(ch\u1ed1ng ch\u00e1y trong 15 ph\u00fat, r\u00f2 r\u1ec9 \u2264 0,5 \u00d7 DN)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n EN c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00e1y cao h\u01a1n, nh\u01b0ng y\u00eau c\u1ea7u c\u1ea5u tr\u00fac ni\u00eam phong hai l\u1edbp (chi ph\u00ed +25%).<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h1><b>\u00a0Ti\u00eau chu\u1ea9n v\u1ec7 sinh v\u00e0 n\u01b0\u1edbc u\u1ed1ng<\/b><\/h1>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-19587\" src=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/68e217fa17048a8adfff7e32bb80666.png\" alt=\"Ti\u00eau chu\u1ea9n v\u1ec7 sinh v\u00e0 n\u01b0\u1edbc u\u1ed1ng\" width=\"2000\" height=\"800\" srcset=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/68e217fa17048a8adfff7e32bb80666.png 2000w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/68e217fa17048a8adfff7e32bb80666-768x307.png 768w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/68e217fa17048a8adfff7e32bb80666-1536x614.png 1536w\" sizes=\"auto, (max-width: 2000px) 100vw, 2000px\" \/>\u00a0<span style=\"font-weight: 400;\">\u0110\u1ea3m b\u1ea3o v\u1eadt li\u1ec7u van an to\u00e0n v\u00e0 kh\u00f4ng \u0111\u1ed9c h\u1ea1i, b\u1ec1 m\u1eb7t s\u1ea1ch s\u1ebd, ng\u0103n ng\u1eeba s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a vi sinh v\u1eadt v\u00e0 \u0111\u00e1p \u1ee9ng c\u00e1c quy \u0111\u1ecbnh nghi\u00eam ng\u1eb7t v\u1ec1 v\u1ec7 sinh n\u01b0\u1edbc u\u1ed1ng v\u00e0 ng\u00e0nh c\u00f4ng nghi\u1ec7p th\u1ef1c ph\u1ea9m.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n s\u1ed1.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u00ean ti\u00eau chu\u1ea9n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt v\u1ec7 sinh<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 1717<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ng\u0103n ng\u1eeba n\u01b0\u1edbc u\u1ed1ng ch\u1ea3y ng\u01b0\u1ee3c<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Khe h\u1edf kh\u00f4ng kh\u00ed \u226520mm ho\u1eb7c c\u01a1 c\u1ea5u kh\u00f3a k\u00e9p c\u01a1 h\u1ecdc.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 13658<\/span><\/td>\n<td><span style=\"font-weight: 400;\">V\u1eadt li\u1ec7u van n\u01b0\u1edbc u\u1ed1ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u0110\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t c\u1ee7a h\u1ee3p kim \u0111\u1ed3ng kh\u00f4ng ch\u00ec (CuZn37Pb-free) Ra\u22640,8\u03bcm<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 15664<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Kh\u1ea3 n\u0103ng ch\u1ed1ng clo c\u1ee7a van x\u1eed l\u00fd n\u01b0\u1edbc<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u1ed1c \u0111\u1ed9 \u0103n m\u00f2n h\u00e0ng n\u0103m trong dung d\u1ecbch natri hypoclorit 50ppm \u22640,1mm<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 14420<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Giao di\u1ec7n k\u1eb9p th\u00e1o nhanh<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Dung sai k\u00edch th\u01b0\u1edbc v\u00e0 \u0111\u00e1nh b\u00f3ng \u0111i\u1ec7n ph\u00e2n b\u1ec1 m\u1eb7t c\u1ee7a k\u1eb9p v\u1ec7 sinh 3A<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">C\u00e1c nh\u00e3n hi\u1ec7u ch\u1ee9ng nh\u1eadn: ACS (V\u01b0\u01a1ng qu\u1ed1c Anh), DVGW (\u0110\u1ee9c), KTW (T\u01b0\u01a1ng th\u00edch h\u00f3a h\u1ecdc EU)<\/span><\/p>\n<h3><b>Ti\u00eau chu\u1ea9n EN 12567 Y\u00eau c\u1ea7u v\u1ec7 sinh \u0111\u1ed1i v\u1edbi van trong h\u1ec7 th\u1ed1ng n\u01b0\u1edbc u\u1ed1ng<\/b><\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-19588\" src=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/f63a776a72cbbf137fbe6973503e8ef.png\" alt=\"Van h\u1ec7 th\u1ed1ng n\u01b0\u1edbc u\u1ed1ng\" width=\"2000\" height=\"800\" srcset=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/f63a776a72cbbf137fbe6973503e8ef.png 2000w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/f63a776a72cbbf137fbe6973503e8ef-768x307.png 768w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/f63a776a72cbbf137fbe6973503e8ef-1536x614.png 1536w\" sizes=\"auto, (max-width: 2000px) 100vw, 2000px\" \/><\/p>\n<p><b>C\u00e1c l\u0129nh v\u1ef1c c\u00f4ng ngh\u1ec7 c\u1ed1t l\u00f5i:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">An to\u00e0n v\u1eadt li\u1ec7u:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Lo\u1ea1i v\u1eadt li\u1ec7u<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Gi\u1edbi h\u1ea1n h\u00f2a tan kim lo\u1ea1i n\u1eb7ng (\u03bcg\/L)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 \u00e1p d\u1ee5ng (\u2103)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Th\u00e9p kh\u00f4ng g\u1ec9 (1.4404)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ch\u00ec \u2264 5%, Cadmi \u2264 0,5%<\/span><\/td>\n<td><span style=\"font-weight: 400;\">-20~+150<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Nh\u1ef1a PE d\u00f9ng trong th\u1ef1c ph\u1ea9m<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u1ed5ng l\u01b0\u1ee3ng ch\u1ea5t h\u1eefu c\u01a1 h\u00f2a tan \u2264 0,1 mg\/L<\/span><\/td>\n<td><span style=\"font-weight: 400;\">-40~+80<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">X\u1eed l\u00fd b\u1ec1 m\u1eb7t:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">\u0110\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac Ra\u22640,8\u03bcm (\u0111\u00e1nh b\u00f3ng \u0111i\u1ec7n ph\u00e2n ho\u1eb7c \u0111\u00e1nh b\u00f3ng c\u01a1 h\u1ecdc).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Thi\u1ebft k\u1ebf kh\u00f4ng c\u00f3 g\u00f3c ch\u1ebft (b\u00e1n k\u00ednh g\u00f3c trong \u2265 3mm).<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">\u1ee8ng d\u1ee5ng trong c\u00f4ng nghi\u1ec7p: van b\u01b0\u1edbm trong c\u00e1c nh\u00e0 m\u00e1y x\u1eed l\u00fd n\u01b0\u1edbc u\u1ed1ng, van bi trong m\u00e1y l\u1ecdc n\u01b0\u1edbc gia \u0111\u00ecnh.<\/span><\/p>\n<h3><b>EN 1717 &#8220;Prevention of backflow contamination of drinking water &#8220;<\/b><\/h3>\n<p><b>Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ch\u00ednh:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Thi\u1ebft b\u1ecb ch\u1ed1ng ch\u1ea3y ng\u01b0\u1ee3c:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Ki\u1ec3u<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00e1c tr\u01b0\u1eddng h\u1ee3p \u00e1p d\u1ee5ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u1ed1c \u0111\u1ed9 r\u00f2 r\u1ec9 (\u00e1p su\u1ea5t ng\u01b0\u1ee3c 1,5\u00d7PN)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Lo\u1ea1i gi\u1ea3i n\u00e9n (Lo\u1ea1i EA)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">M\u1ea1ng l\u01b0\u1edbi c\u1ea5p n\u01b0\u1edbc \u0111\u00f4 th\u1ecb<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u22640,1 ml\/ph\u00fat<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Lo\u1ea1i ph\u00e1 v\u1ee1 ch\u00e2n kh\u00f4ng (Lo\u1ea1i AB)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u0110i\u1ec3m k\u1ebft n\u1ed1i thi\u1ebft b\u1ecb c\u00f4ng nghi\u1ec7p<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u22640,5 ml\/ph\u00fat<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Y\u00eau c\u1ea7u ki\u1ec3m th\u1eed:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Th\u1eed nghi\u1ec7m th\u1ea9m th\u1ea5u ng\u01b0\u1ee3c v\u1edbi dung d\u1ecbch m\u00f4 ph\u1ecfng b\u1ecb \u00f4 nhi\u1ec5m (th\u1eddi gian 24 gi\u1edd).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">B\u1ec1 m\u1eb7t l\u00e0m k\u00edn c\u1ee7a van ph\u1ea3i c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n do ion clorua (Cl\u207b\u2264250ppm).<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">C\u00e1c tr\u01b0\u1eddng h\u1ee3p \u1ee9ng d\u1ee5ng: H\u1ec7 th\u1ed1ng c\u1ea5p n\u01b0\u1edbc b\u1ec7nh vi\u1ec7n, van c\u1ea5p n\u01b0\u1edbc v\u00e0o nh\u00e0 m\u00e1y ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m.<\/span><\/p>\n<h3><b>\u200b\u200bEN 1489 &#8220;Hygienic requirements for valves for building use&#8221;\u200b\u200b<\/b><\/h3>\n<p><b>C\u00e1c y\u00eau c\u1ea7u ch\u00ednh:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch sinh h\u1ecdc c\u1ee7a v\u1eadt li\u1ec7u:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">\u0110\u00e3 v\u01b0\u1ee3t qua th\u1eed nghi\u1ec7m \u0111\u1ed9c t\u00ednh t\u1ebf b\u00e0o ISO 10993-5 (t\u1ef7 l\u1ec7 \u1ee9c ch\u1ebf \u2264 20%).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Kh\u00f4ng ch\u1ee9a ch\u1ea5t l\u00e0m d\u1ebbo (phthalates \u2264 0,1%).<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">V\u1ec7 sinh v\u00e0 kh\u1eed tr\u00f9ng:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Ph\u01b0\u01a1ng ph\u00e1p kh\u1eed tr\u00f9ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">B\u00e0i ki\u1ec3m tra s\u1ee9c b\u1ec1n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u00eau ch\u00ed \u0111\u1ee7 \u0111i\u1ec1u ki\u1ec7n<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">H\u01a1i n\u01b0\u1edbc \u1edf nhi\u1ec7t \u0111\u1ed9 cao (121\u00b0C)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Chu tr\u00ecnh 30 ph\u00fat \u00d7 50 l\u1ea7n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">B\u1ec1 m\u1eb7t l\u00e0m k\u00edn kh\u00f4ng b\u1ecb bi\u1ebfn d\u1ea1ng, v\u00e0 t\u1ef7 l\u1ec7 r\u00f2 r\u1ec9 \u22640,01\u00d7DN<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Kh\u1eed tr\u00f9ng b\u1eb1ng h\u00f3a ch\u1ea5t (natri hypoclorit)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">N\u1ed3ng \u0111\u1ed9 100ppm, ng\u00e2m trong 24 gi\u1edd.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u0110\u1ed9 hao h\u1ee5t kh\u1ed1i l\u01b0\u1ee3ng v\u1eadt li\u1ec7u \u2264 0,1%<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">C\u00e1c \u1ee9ng d\u1ee5ng \u0111i\u1ec3n h\u00ecnh: van m\u00e0ng trong h\u1ec7 th\u1ed1ng n\u01b0\u1edbc v\u00f4 tr\u00f9ng c\u1ee7a b\u1ec7nh vi\u1ec7n, van CIP (l\u00e0m s\u1ea1ch t\u1ea1i ch\u1ed7) trong c\u00e1c nh\u00e0 m\u00e1y d\u01b0\u1ee3c ph\u1ea9m.<\/span><\/p>\n<h3><b>\u200b\u200bEC 1935\/2004 &#8220;Food Contact Materials Regulation&#8221;\u200b\u200b<\/b><\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-19589\" src=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/d9ee20ea7268634d03460d652351a1d.png\" alt=\"H\u1ec7 th\u1ed1ng van v\u1ec7 sinh \u0111\u1ea1t ti\u00eau chu\u1ea9n th\u1ef1c ph\u1ea9m\" width=\"2000\" height=\"800\" srcset=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/d9ee20ea7268634d03460d652351a1d.png 2000w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/d9ee20ea7268634d03460d652351a1d-768x307.png 768w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/d9ee20ea7268634d03460d652351a1d-1536x614.png 1536w\" sizes=\"auto, (max-width: 2000px) 100vw, 2000px\" \/><\/p>\n<p><b>C\u00e1c y\u00eau c\u1ea7u c\u1ed1t l\u00f5i:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Gi\u1edbi h\u1ea1n di chuy\u1ec3n v\u1eadt ch\u1ea5t:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Ch\u1ea5t<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Gi\u1edbi h\u1ea1n di chuy\u1ec3n (mg\/kg)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u0110i\u1ec1u ki\u1ec7n th\u1eed nghi\u1ec7m (ch\u1ea5t m\u00f4 ph\u1ecfng th\u1ef1c ph\u1ea9m)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">formaldehyde<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u226415<\/span><\/td>\n<td><span style=\"font-weight: 400;\">10% etanol, 40\u2103\u00d710 ng\u00e0y<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">\u954d<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u22640,1<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Axit axetic 3%, 40\u2103\u00d710 ng\u00e0y<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kh\u1ea3 n\u0103ng truy xu\u1ea5t ngu\u1ed3n g\u1ed1c:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">C\u00e1c l\u00f4 v\u1eadt li\u1ec7u ph\u1ea3i k\u00e8m theo t\u00e0i li\u1ec7u khai b\u00e1o FCM (V\u1eadt li\u1ec7u ti\u1ebfp x\u00fac v\u1edbi th\u1ef1c ph\u1ea9m) (tu\u00e2n th\u1ee7 theo quy \u0111\u1ecbnh EC 2023\/2006).<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">\u1ee8ng d\u1ee5ng c\u00f4ng nghi\u1ec7p: Van d\u00f9ng trong ch\u1ebf bi\u1ebfn s\u1eefa, van d\u00f9ng trong chi\u1ebft r\u00f3t \u0111\u1ed3 u\u1ed1ng.<\/span><\/p>\n<h3><b>So s\u00e1nh c\u00f4ng ngh\u1ec7: Ti\u00eau chu\u1ea9n v\u1ec7 sinh EN so v\u1edbi ti\u00eau chu\u1ea9n ASME\/ISO<\/b><\/h3>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">K\u00edch th\u01b0\u1edbc<\/span><\/td>\n<td><span style=\"font-weight: 400;\">H\u1ec7 th\u1ed1ng ti\u00eau chu\u1ea9n EN<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n ASME\/ISO<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Nh\u1eefng \u0111i\u1ec3m kh\u00e1c bi\u1ec7t v\u00e0 t\u00e1c \u0111\u1ed9ng ch\u00ednh<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">An to\u00e0n v\u1eadt li\u1ec7u<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 12567 (gi\u1edbi h\u1ea1n ph\u00e1t th\u1ea3i kim lo\u1ea1i n\u1eb7ng)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ASME BPE (kh\u00f4ng c\u00f3 gi\u1edbi h\u1ea1n h\u00f2a tan, ch\u1ec9 \u00e1p d\u1ee5ng cho \u0111\u1ed9 ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n EN tr\u1ef1c ti\u1ebfp h\u1ea1n ch\u1ebf vi\u1ec7c th\u1ea3i c\u00e1c ch\u1ea5t \u0111\u1ed9c h\u1ea1i, trong khi ti\u00eau chu\u1ea9n ASME t\u1eadp trung nhi\u1ec1u h\u01a1n v\u00e0o \u0111\u1ed9 s\u1ea1ch v\u1eadt l\u00fd.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">\u0110\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ra\u22640,8\u03bcm (EN 12567)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ra\u22640,5\u03bcm (ASME BPE)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n ASME y\u00eau c\u1ea7u \u0111\u1ed9 ho\u00e0n thi\u1ec7n cao h\u01a1n, nh\u01b0ng ti\u00eau chu\u1ea9n EN c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u v\u1ec1 an to\u00e0n th\u1ef1c ph\u1ea9m th\u00f4ng qua vi\u1ec7c \u0111\u00e1nh b\u00f3ng \u0111i\u1ec7n ph\u00e2n v\u1edbi \u0111\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t Ra\u22640,8\u03bcm.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Thi\u1ebft k\u1ebf ch\u1ed1ng ch\u1ea3y ng\u01b0\u1ee3c<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u200b\u200bEN 1717\u200b\u200b (t\u1ed1c \u0111\u1ed9 r\u00f2 r\u1ec9 \u2264 0,1ml\/ph\u00fat)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ASSE 1013 (t\u1ed1c \u0111\u1ed9 r\u00f2 r\u1ec9 \u22641,0 ml\/ph\u00fat)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u00f4 nhi\u1ec5m t\u1ed1t h\u01a1n, nh\u01b0ng c\u1ea5u tr\u00fac van ph\u1ee9c t\u1ea1p (chi ph\u00ed +20%).<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Kh\u1ea3 n\u0103ng kh\u00e1ng kh\u1eed tr\u00f9ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n EN 1489 (h\u01a1i n\u01b0\u1edbc \u1edf nhi\u1ec7t \u0111\u1ed9 cao, 50 chu k\u1ef3)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ISO 15848 (kh\u00f4ng c\u00f3 th\u1eed nghi\u1ec7m kh\u1eed tr\u00f9ng c\u1ee5 th\u1ec3)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n EN \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ri\u00eang cho ng\u00e0nh y t\u1ebf\/d\u01b0\u1ee3c ph\u1ea9m, trong khi ti\u00eau chu\u1ea9n ASME\/ISO y\u00eau c\u1ea7u x\u00e1c minh b\u1ed5 sung.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Ch\u1ee9ng nh\u1eadn ti\u1ebfp x\u00fac v\u1edbi th\u1ef1c ph\u1ea9m<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ngh\u1ecb \u0111\u1ecbnh EC 1935\/2004 (c\u00e1c gi\u00e1 tr\u1ecb gi\u1edbi h\u1ea1n di c\u01b0 + t\u00e0i li\u1ec7u truy xu\u1ea5t ngu\u1ed3n g\u1ed1c)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">FDA 21 CFR (ch\u1ec9 gi\u00e1 tr\u1ecb, kh\u00f4ng y\u00eau c\u1ea7u truy xu\u1ea5t ngu\u1ed3n g\u1ed1c)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00e1c quy \u0111\u1ecbnh EN nghi\u00eam ng\u1eb7t h\u01a1n v\u00e0 chi ph\u00ed tu\u00e2n th\u1ee7 v\u1eadt li\u1ec7u cao h\u01a1n t\u1eeb 15% \u0111\u1ebfn 25%.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h1><b>Nhi\u1ec7t \u0111\u1ed9 th\u1ea5p v\u00e0 m\u00f4i tr\u01b0\u1eddng \u0111\u1eb7c bi\u1ec7t<\/b><\/h1>\n<figure id=\"attachment_19590\" aria-describedby=\"caption-attachment-19590\" style=\"width: 2000px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-19590 size-full\" src=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/571a2c5a917b3a642746e460a3733fe.png\" alt=\"Van c\u1ed5ng \u0111\u00f4ng l\u1ea1nh JH\" width=\"2000\" height=\"800\" srcset=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/571a2c5a917b3a642746e460a3733fe.png 2000w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/571a2c5a917b3a642746e460a3733fe-768x307.png 768w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/571a2c5a917b3a642746e460a3733fe-1536x614.png 1536w\" sizes=\"auto, (max-width: 2000px) 100vw, 2000px\" \/><figcaption id=\"caption-attachment-19590\" class=\"wp-caption-text\"><a href=\"\/cryogenic-gate-valve\/\">Van c\u1ed5ng \u0111\u00f4ng l\u1ea1nh JH<\/a><\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">N\u00f3 bao g\u1ed3m c\u00e1c \u0111i\u1ec1u ki\u1ec7n l\u00e0m vi\u1ec7c ph\u1ee9c t\u1ea1p nh\u01b0 nhi\u1ec7t \u0111\u1ed9 c\u1ef1c th\u1ea5p, m\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n v\u00e0 \u0111\u1ed9c h\u1ea1i, \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady c\u1ee7a v\u1eadt li\u1ec7u van, gio\u0103ng v\u00e0 thi\u1ebft k\u1ebf k\u1ebft c\u1ea5u.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n s\u1ed1.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u00ean ti\u00eau chu\u1ea9n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Y\u00eau c\u1ea7u v\u1ec1 \u0111i\u1ec1u ki\u1ec7n l\u00e0m vi\u1ec7c kh\u1eafc nghi\u1ec7t<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 1626<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Thi\u1ebft k\u1ebf v\u00e0 th\u1eed nghi\u1ec7m van \u0111\u00f4ng l\u1ea1nh<\/span><\/td>\n<td><span style=\"font-weight: 400;\">X\u00e1c minh \u0111\u1ed9 k\u00edn c\u1ee7a m\u00f4i tr\u01b0\u1eddng nit\u01a1 l\u1ecfng -196\u2103<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 14636<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Van CO\u2082 si\u00eau t\u1edbi h\u1ea1n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Th\u1eed nghi\u1ec7m bi\u1ebfn d\u1ea1ng d\u1ebbo c\u1ee7a v\u1eadt li\u1ec7u \u1edf \u0111i\u1ec3m t\u1edbi h\u1ea1n 31,1\u2103\/7,38MPa<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 12570<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u0110o m\u00f4-men xo\u1eafn v\u1eadn h\u00e0nh van<\/span><\/td>\n<td><span style=\"font-weight: 400;\">M\u00f4-men xo\u1eafn t\u1ed1i \u0111a khi m\u1edf v\u00e0 \u0111\u00f3ng trong \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 th\u1ea5p \u2264100Nm<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 14432<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Kh\u1ea3 n\u0103ng kh\u00e1ng h\u00f3a ch\u1ea5t c\u1ee7a van nh\u1ef1a<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Th\u1eed nghi\u1ec7m \u0111\u1ed9 th\u1ea5m h\u00e0ng n\u0103m c\u1ee7a PVDF trong axit sulfuric 98%<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">\u0110\u1ed9t ph\u00e1 v\u1ec1 v\u1eadt li\u1ec7u: Ti\u00eau chu\u1ea9n EN 1626 y\u00eau c\u1ea7u v\u1eadt li\u1ec7u th\u00e2n van ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 th\u1ea5p Akv (-196\u2103) \u2265 27J<\/span><\/p>\n<h3><b>\u200b\u200bEN 1626 &#8220;Design and testing of valves for cryogenic containers&#8221;\u200b\u200b<\/b><\/h3>\n<figure id=\"attachment_19593\" aria-describedby=\"caption-attachment-19593\" style=\"width: 2000px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-19593 size-full\" src=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/a7c6224a8d510ce52de4d60d7c99edd.png\" alt=\"van \u0111\u00f4ng l\u1ea1nh th\u1eed nghi\u1ec7m \u0111\u00f4ng l\u1ea1nh\" width=\"2000\" height=\"800\" srcset=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/a7c6224a8d510ce52de4d60d7c99edd.png 2000w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/a7c6224a8d510ce52de4d60d7c99edd-768x307.png 768w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/a7c6224a8d510ce52de4d60d7c99edd-1536x614.png 1536w\" sizes=\"auto, (max-width: 2000px) 100vw, 2000px\" \/><figcaption id=\"caption-attachment-19593\" class=\"wp-caption-text\"><a href=\"\/cryogenic-test\/\">Th\u1eed nghi\u1ec7m \u0111\u00f4ng l\u1ea1nh JH<\/a><\/figcaption><\/figure>\n<p><b>C\u00e1c y\u00eau c\u1ea7u c\u1ed1t l\u00f5i:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0110\u1ed9 d\u1ebbo dai \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p c\u1ee7a v\u1eadt li\u1ec7u:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Lo\u1ea1i v\u1eadt li\u1ec7u<\/span><\/td>\n<td><span style=\"font-weight: 400;\">N\u0103ng l\u01b0\u1ee3ng va ch\u1ea1m (-196\u2103)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Gi\u1edbi h\u1ea1n nhi\u1ec7t \u0111\u1ed9 th\u1ea5p nh\u1ea5t \u00e1p d\u1ee5ng (\u2103)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Th\u00e9p kh\u00f4ng g\u1ec9 Austenit<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u226540J (ISO 148)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">-196<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">H\u1ee3p kim g\u1ed1c niken (Inconel 718)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u226560J<\/span><\/td>\n<td><span style=\"font-weight: 400;\">-253<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Thi\u1ebft k\u1ebf con d\u1ea5u:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Gio\u0103ng d\u1ea1ng x\u1ebfp (tu\u1ed5i th\u1ecd chu k\u1ef3 \u2265 5000 l\u1ea7n, t\u1ed1c \u0111\u1ed9 r\u00f2 r\u1ec9 \u2264 10\u207b\u2076 mbar\u00b7l\/s).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Thi\u1ebft k\u1ebf ph\u1ea7n m\u1edf r\u1ed9ng th\u00e2n c\u1ea5y gh\u00e9p (tr\u00e1nh hi\u1ec7u \u1ee9ng c\u1ea7u l\u1ea1nh).<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3><b>EN 14636\u300aTh\u1eed nghi\u1ec7m m\u00f4-men xo\u1eafn v\u1eadn h\u00e0nh van \u0111\u00f4ng l\u1ea1nh\u300b\u200b\u200b<\/b><\/h3>\n<p>&nbsp;<\/p>\n<p><b>\u0110i\u1ec1u ki\u1ec7n th\u1eed nghi\u1ec7m:<\/b><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Nhi\u1ec7t \u0111\u1ed9 (\u2103)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u00ecnh tr\u1ea1ng b\u00f4i tr\u01a1n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u0103ng m\u00f4-men xo\u1eafn cho ph\u00e9p<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">-196<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ma s\u00e1t kh\u00f4<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u2264200% m\u00f4-men xo\u1eafn \u1edf nhi\u1ec7t \u0111\u1ed9 b\u00ecnh th\u01b0\u1eddng<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">-50<\/span><\/td>\n<td><span style=\"font-weight: 400;\">M\u1ee1 b\u00f4i tr\u01a1n nhi\u1ec7t \u0111\u1ed9 th\u1ea5p<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u2264150% m\u00f4-men xo\u1eafn \u1edf nhi\u1ec7t \u0111\u1ed9 b\u00ecnh th\u01b0\u1eddng<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">\u1ee8ng d\u1ee5ng c\u00f4ng nghi\u1ec7p: van l\u01b0u tr\u1eef v\u00e0 v\u1eadn chuy\u1ec3n hydro l\u1ecfng, van cung c\u1ea5p oxy l\u1ecfng trong ng\u00e0nh h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5.<\/span><\/p>\n<h3><b>\u200b\u200bEN 12570 &#8220;Valve operating force test&#8221; (applicable to corrosive media)<\/b><\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-19591\" src=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/cd6dc754ac27906effb57de1892c3a8.png\" alt=\"Ki\u1ec3m tra ho\u1ea1t \u0111\u1ed9ng c\u1ee7a van \u0111\u00f4ng l\u1ea1nh\" width=\"2000\" height=\"800\" srcset=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/cd6dc754ac27906effb57de1892c3a8.png 2000w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/cd6dc754ac27906effb57de1892c3a8-768x307.png 768w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/cd6dc754ac27906effb57de1892c3a8-1536x614.png 1536w\" sizes=\"auto, (max-width: 2000px) 100vw, 2000px\" \/><\/p>\n<p><b>C\u00e1c y\u00eau c\u1ea7u c\u1ed1t l\u00f5i:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Gi\u1edbi h\u1ea1n l\u1ef1c t\u00e1c chi\u1ebfn:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Lo\u1ea1i van<\/span><\/td>\n<td><span style=\"font-weight: 400;\">L\u1ef1c v\u1eadn h\u00e0nh tay quay t\u1ed1i \u0111a (N)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">M\u00f4-men xo\u1eafn c\u1ee7a b\u1ed9 truy\u1ec1n \u0111\u1ed9ng \u0111i\u1ec7n (Nm)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Van ch\u1eb7n DN50<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u2264350<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u2264200<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Van bi DN200<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u2264800<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u22641000<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ch\u1ea5t b\u00f4i tr\u01a1n ch\u1ed1ng \u0103n m\u00f2n:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">M\u1ee1 l\u00e0m k\u00edn ph\u1ea3i v\u01b0\u1ee3t qua th\u1eed nghi\u1ec7m kh\u1ea3 n\u0103ng ch\u1ed1ng axit v\u00e0 ki\u1ec1m theo ti\u00eau chu\u1ea9n ISO 6743-9 (m\u1ea5t kh\u1ed1i l\u01b0\u1ee3ng \u2264 1%).<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3><b>Ti\u00eau chu\u1ea9n EN 14432\u300aKh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n h\u00f3a h\u1ecdc c\u1ee7a van l\u00f3t\u300b<\/b><\/h3>\n<h3><span style=\"font-weight: 400;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-19592\" src=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/bb5a39303eb82290f6ad42c3ec9e913.png\" alt=\"Ki\u1ec3m tra kh\u1ea3 n\u0103ng kh\u00e1ng h\u00f3a ch\u1ea5t c\u1ee7a van \u0111\u00f4ng l\u1ea1nh\" width=\"2000\" height=\"800\" srcset=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/bb5a39303eb82290f6ad42c3ec9e913.png 2000w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/bb5a39303eb82290f6ad42c3ec9e913-768x307.png 768w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/bb5a39303eb82290f6ad42c3ec9e913-1536x614.png 1536w\" sizes=\"auto, (max-width: 2000px) 100vw, 2000px\" \/>\u200b<\/span><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ki\u1ec3m tra v\u1eadt li\u1ec7u l\u00f3t:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Lo\u1ea1i l\u00f3t<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t (\u2103)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Kh\u1ea3 n\u0103ng kh\u00e1ng h\u00f3a ch\u1ea5t (v\u00ed d\u1ee5)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m (EN 14432 Ph\u1ee5 l\u1ee5c B)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">PTFE<\/span><\/td>\n<td><span style=\"font-weight: 400;\">-50~150<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Axit sulfuric \u0111\u1eadm \u0111\u1eb7c (98%), axit clohydric (37%)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Sau 720 gi\u1edd ng\u00e2m, th\u1ec3 t\u00edch gi\u00e3n n\u1edf l\u00e0 \u22645%<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">PFA<\/span><\/td>\n<td><span style=\"font-weight: 400;\">-200~260<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Axit flohydric (40%), axit nitric (65%)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Th\u1eed nghi\u1ec7m \u00e1p su\u1ea5t th\u1ea9m th\u1ea5u (1,5\u00d7PN)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">\u1ee8ng d\u1ee5ng c\u00f4ng nghi\u1ec7p: Van m\u00e0ng cho ng\u00e0nh c\u00f4ng nghi\u1ec7p s\u1ea3n xu\u1ea5t clo-ki\u1ec1m, van axit tinh khi\u1ebft cao cho ng\u00e0nh c\u00f4ng nghi\u1ec7p b\u00e1n d\u1eabn.<\/span><\/p>\n<h3><b>So s\u00e1nh k\u1ef9 thu\u1eadt: Ti\u00eau chu\u1ea9n EN so v\u1edbi ti\u00eau chu\u1ea9n ASME\/API<\/b><\/h3>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">K\u00edch th\u01b0\u1edbc<\/span><\/td>\n<td><span style=\"font-weight: 400;\">H\u1ec7 th\u1ed1ng ti\u00eau chu\u1ea9n EN<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n ASME\/API<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Nh\u1eefng \u0111i\u1ec3m kh\u00e1c bi\u1ec7t v\u00e0 t\u00e1c \u0111\u1ed9ng ch\u00ednh<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">\u0110\u1ed9 b\u1ec1n v\u1eadt li\u1ec7u \u0111\u00f4ng l\u1ea1nh<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u200bEN 1626\u200b\u200b (N\u0103ng l\u01b0\u1ee3ng va \u0111\u1eadp c\u01b0\u1ee1ng b\u1ee9c \u2265 40J, -196 oC)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ASME B31.3 (n\u0103ng l\u01b0\u1ee3ng va \u0111\u1eadp \u2265 27J, -196\u2103)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">V\u1eadt li\u1ec7u EN c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng gi\u00f2n \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p t\u1ed1t h\u01a1n, nh\u01b0ng gi\u00e1 th\u00e0nh cao h\u01a1n t\u1eeb 10% \u0111\u1ebfn 15%.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Ki\u1ec3m tra l\u1ef1c v\u1eadn h\u00e0nh<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n EN 12570 (l\u1ef1c v\u1eadn h\u00e0nh b\u1eb1ng tay b\u1eaft bu\u1ed9c \u2264 350N)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">API 6D (kh\u00f4ng c\u00f3 gi\u1edbi h\u1ea1n b\u1eaft bu\u1ed9c, ch\u1ec9 l\u00e0 gi\u00e1 tr\u1ecb khuy\u1ebfn ngh\u1ecb)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n EN \u0111\u1ea3m b\u1ea3o an to\u00e0n cho c\u00e1c thao t\u00e1c th\u1ee7 c\u00f4ng, c\u00f2n API d\u1ef1a tr\u00ean thi\u1ebft k\u1ebf d\u1ef1a tr\u00ean kinh nghi\u1ec7m.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Van l\u00f3t<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 14432 (Th\u1eed nghi\u1ec7m \u0111\u1ed9 xuy\u00ean b\u1eaft bu\u1ed9c + gi\u1edbi h\u1ea1n t\u1ed1c \u0111\u1ed9 gi\u00e3n n\u1edf)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">API 598 (ch\u1ec9 ki\u1ec3m tra r\u00f2 r\u1ec9)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n EN kh\u1eaft khe h\u01a1n, nh\u01b0ng quy tr\u00ecnh l\u00f3t t\u1ed1n th\u00eam 20%.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Ni\u00eam phong \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 14636 (t\u0103ng m\u00f4-men xo\u1eafn \u2264 200%)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">MSS SP-134 (kh\u00f4ng c\u00f3 ti\u00eau chu\u1ea9n th\u1eed nghi\u1ec7m m\u00f4-men xo\u1eafn \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN cung c\u1ea5p c\u00e1c ch\u1ec9 s\u1ed1 \u0111\u1ecbnh l\u01b0\u1ee3ng \u0111\u1ec3 gi\u1ea3m nguy c\u01a1 ch\u1ebft m\u00e1y do nhi\u1ec7t \u0111\u1ed9 th\u1ea5p.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h1><b>H\u1ec7 th\u1ed1ng ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 truy xu\u1ea5t ngu\u1ed3n g\u1ed1c<\/b><\/h1>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-19596\" src=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/adb482b078b8a01dda2ae855b7cf0bc.png\" alt=\"Ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng van v\u00e0 truy xu\u1ea5t ngu\u1ed3n g\u1ed1c van\" width=\"2000\" height=\"800\" srcset=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/adb482b078b8a01dda2ae855b7cf0bc.png 2000w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/adb482b078b8a01dda2ae855b7cf0bc-768x307.png 768w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/adb482b078b8a01dda2ae855b7cf0bc-1536x614.png 1536w\" sizes=\"auto, (max-width: 2000px) 100vw, 2000px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">Thi\u1ebft l\u1eadp c\u01a1 ch\u1ebf ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 truy xu\u1ea5t ngu\u1ed3n g\u1ed1c to\u00e0n di\u1ec7n t\u1eeb nguy\u00ean li\u1ec7u th\u00f4 \u0111\u1ebfn th\u00e0nh ph\u1ea9m \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o vi\u1ec7c s\u1ea3n xu\u1ea5t van tu\u00e2n th\u1ee7 c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt thi\u1ebft k\u1ebf v\u00e0 y\u00eau c\u1ea7u quy \u0111\u1ecbnh.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n s\u1ed1.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u00ean ti\u00eau chu\u1ea9n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Y\u00eau c\u1ea7u qu\u1ea3n l\u00fd ch\u1ea5t l\u01b0\u1ee3ng<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 10204<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Kh\u1ea3 n\u0103ng truy xu\u1ea5t ngu\u1ed3n g\u1ed1c v\u1eadt li\u1ec7u<\/span><\/td>\n<td><span style=\"font-weight: 400;\">3.1\/3.2 S\u1ef1 t\u01b0\u01a1ng \u1ee9ng gi\u1eefa ch\u1ee9ng ch\u1ec9 v\u00e0 ch\u1ee9ng nh\u1eadn PED<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 10228<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ki\u1ec3m tra kh\u00f4ng ph\u00e1 h\u1ee7y<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ki\u1ec3m tra RT \u0111\u1ed1i v\u1edbi v\u1eadt \u0111\u00fac (EN 12681), ki\u1ec3m tra UT \u0111\u1ed1i v\u1edbi m\u1ed1i h\u00e0n (EN ISO 17640)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 10246<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n ph\u00f9 h\u1ee3p \u1ed1ng th\u00e9p<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Quy t\u1eafc dung sai \u1ed1ng th\u00e9p li\u1ec1n m\u1ea1ch v\u00e0 quy t\u1eafc kh\u1edbp k\u00eanh d\u1eabn d\u00f2ng van<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 10217<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ch\u1ee9ng ch\u1ec9 quy tr\u00ecnh h\u00e0n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Bao g\u1ed3m ch\u1ee9ng ch\u1ec9 h\u00e0n TIG\/MIG\/h\u00e0n h\u1ed3 quang ch\u00ecm v\u00e0 c\u00e1c quy tr\u00ecnh h\u00e0n kh\u00e1c.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">N\u00e2ng c\u1ea5p k\u1ef9 thu\u1eadt s\u1ed1: Ti\u00eau chu\u1ea9n EN 10204-3.3 h\u1ed7 tr\u1ee3 truy xu\u1ea5t ngu\u1ed3n g\u1ed1c v\u1eadt li\u1ec7u b\u1eb1ng c\u00f4ng ngh\u1ec7 blockchain (m\u1edbi trong phi\u00ean b\u1ea3n n\u0103m 2023)<\/span><\/p>\n<h3><b>EN 10204\u300aC\u00e1c lo\u1ea1i ch\u1ee9ng nh\u1eadn v\u1eadt li\u1ec7u\u300b\u200b\u200b<\/b><\/h3>\n<p><b>N\u1ed9i dung ch\u00ednh:<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Ph\u00e2n lo\u1ea1i ch\u1ee9ng ch\u1ec9 v\u00e0 ph\u1ea1m vi \u00e1p d\u1ee5ng:<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Lo\u1ea1i ch\u1ee9ng ch\u1ec9<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Nh\u00f3m th\u1eed nghi\u1ec7m<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ph\u1ea1m vi \u00e1p d\u1ee5ng<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">3.1<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u1ef1 ki\u1ec3m tra nh\u00e0 m\u00e1y th\u00e9p<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Van c\u00f4ng nghi\u1ec7p th\u00f4ng th\u01b0\u1eddng (PN10~PN40)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">3.2<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ph\u00f2ng th\u00ed nghi\u1ec7m \u0111\u1ed9c l\u1eadp b\u00ean th\u1ee9 ba<\/span><\/td>\n<td><span style=\"font-weight: 400;\">N\u0103ng l\u01b0\u1ee3ng h\u1ea1t nh\u00e2n, van PED lo\u1ea1i III\/IV<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Y\u00eau c\u1ea7u v\u1ec1 t\u00e0i li\u1ec7u:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc, t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc, b\u00e1o c\u00e1o ki\u1ec3m tra kh\u00f4ng ph\u00e1 h\u1ee7y (ch\u1ec9 y\u00eau c\u1ea7u \u0111\u1ed1i v\u1edbi ch\u1ee9ng ch\u1ec9 3.2).<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b>\u1ee8ng d\u1ee5ng trong c\u00f4ng nghi\u1ec7p<\/b><span style=\"font-weight: 400;\">: Van h\u01a1i ch\u00ednh cho nh\u00e0 m\u00e1y \u0111i\u1ec7n h\u1ea1t nh\u00e2n (b\u1eaft bu\u1ed9c theo ti\u00eau chu\u1ea9n EN 10204 3.2), van n\u01b0\u1edbc sinh ho\u1ea1t (ch\u1ee9ng ch\u1ec9 3.1).<\/span><\/p>\n<h3><b>\u200b\u200bEN 10228 &#8220;Non-destructive testing of forgings&#8221;\u200b\u200b<\/b><\/h3>\n<p><b>C\u00e1c y\u00eau c\u1ea7u ki\u1ec3m th\u1eed c\u1ed1t l\u00f5i<\/b><span style=\"font-weight: 400;\">:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ph\u01b0\u01a1ng ph\u00e1p v\u00e0 ti\u00eau chu\u1ea9n th\u1eed nghi\u1ec7m:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Ph\u01b0\u01a1ng ph\u00e1p ph\u00e1t hi\u1ec7n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00e1c lo\u1ea1i l\u1ed7i \u00e1p d\u1ee5ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u00eau ch\u00ed ch\u1ea5p nh\u1eadn<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Ki\u1ec3m tra si\u00eau \u00e2m (UT)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00e1c v\u1ebft n\u1ee9t b\u00ean trong, t\u1ea1p ch\u1ea5t<\/span><\/td>\n<td><span style=\"font-weight: 400;\">L\u1ed7i ti\u1ebfng v\u1ecdng \u226420% \u0110\u01b0\u1eddng cong DAC<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Ki\u1ec3m tra b\u1eb1ng h\u1ea1t t\u1eeb t\u00ednh (MT)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00e1c v\u1ebft n\u1ee9t tr\u00ean b\u1ec1 m\u1eb7t<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Chi\u1ec1u d\u00e0i v\u1ebft n\u1ee9t \u22645mm, kh\u00f4ng cho ph\u00e9p c\u00e1c khuy\u1ebft t\u1eadt d\u1ea1ng \u0111\u01b0\u1eddng th\u1eb3ng.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ph\u1ea1m vi ph\u00e1t hi\u1ec7n:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">C\u00e1c s\u1ea3n ph\u1ea9m r\u00e8n cho ng\u00e0nh n\u0103ng l\u01b0\u1ee3ng h\u1ea1t nh\u00e2n: 100% UT+MT.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">S\u1ea3n ph\u1ea9m r\u00e8n th\u00f4ng th\u01b0\u1eddng: Ki\u1ec3m tra si\u00eau \u00e2m t\u1ea1i ch\u1ed7 \u2265 20%.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3><b>EN 10246 &#8220;Non-destructive testing of steel tubes&#8221;\u200b\u200b<\/b><\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-19595\" src=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/c80dd3c1df827a6d2794f55ac0fd95c.png\" alt=\"Van \u1ed1ng th\u00e9p kh\u00f4ng c\u00f3 ch\u1ee9c n\u0103ng ph\u00e1t hi\u1ec7n.\" width=\"2000\" height=\"800\" srcset=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/c80dd3c1df827a6d2794f55ac0fd95c.png 2000w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/c80dd3c1df827a6d2794f55ac0fd95c-768x307.png 768w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/c80dd3c1df827a6d2794f55ac0fd95c-1536x614.png 1536w\" sizes=\"auto, (max-width: 2000px) 100vw, 2000px\" \/><\/p>\n<p><b>Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ch\u00ednh:<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Lo\u1ea1i v\u00e0 th\u00f4ng s\u1ed1 ph\u00e1t hi\u1ec7n:<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Ph\u01b0\u01a1ng ph\u00e1p ph\u00e1t hi\u1ec7n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Lo\u1ea1i \u1ed1ng th\u00e9p \u00e1p d\u1ee5ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u0110\u1ed9 nh\u1ea1y ph\u00e1t hi\u1ec7n<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Ki\u1ec3m tra d\u00f2ng \u0111i\u1ec7n xo\u00e1y (ET)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u1ed1ng th\u00e9p kh\u00f4ng g\u1ec9 Austenit<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u0110\u1ed9 s\u00e2u khuy\u1ebft t\u1eadt \u2265 0,5mm<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Ki\u1ec3m tra X-quang (RT)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u1ed0ng th\u00e9p cacbon h\u00e0n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u0110\u01b0\u1eddng k\u00ednh l\u1ed7 \u22642mm, \u22643 l\u1ed7\/m\u00e9t<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><b>C\u00e1c k\u1ecbch b\u1ea3n \u1ee9ng d\u1ee5ng<\/b><span style=\"font-weight: 400;\">: \u1ed1ng n\u1ed3i h\u01a1i \u00e1p su\u1ea5t cao, \u0111\u01b0\u1eddng \u1ed1ng ch\u1ed1ng \u0103n m\u00f2n h\u00f3a h\u1ecdc.<\/span><\/p>\n<h3><b>EN 10217 &#8220;Technical conditions for welded steel pipes&#8221;\u200b\u200b<\/b><\/h3>\n<p><b>C\u00e1c y\u00eau c\u1ea7u c\u1ed1t l\u00f5i:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Quy tr\u00ecnh h\u00e0n v\u00e0 ki\u1ec3m tra:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Tham s\u1ed1<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Y\u00eau c\u1ea7u<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Ph\u01b0\u01a1ng ph\u00e1p h\u00e0n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">H\u00e0n TIG (th\u00e9p kh\u00f4ng g\u1ec9), h\u00e0n SAW (th\u00e9p cacbon)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Ki\u1ec3m tra m\u1ed1i h\u00e0n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">100% RT (EN 1435) ho\u1eb7c UT (EN 1714)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Gi\u1edbi h\u1ea1n \u0111\u1ed9 c\u1ee9ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">V\u00f9ng h\u00e0n \u2264350 HV10<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">\u1ee8ng d\u1ee5ng c\u00f4ng nghi\u1ec7p: \u1ed1ng l\u00f2 nung cracking d\u1ea7u m\u1ecf, \u0111\u01b0\u1eddng \u1ed1ng kh\u00ed n\u00e9n tr\u00ean t\u00e0u th\u1ee7y.<\/span><\/p>\n<h3><b>So s\u00e1nh c\u00f4ng ngh\u1ec7: H\u1ec7 th\u1ed1ng ch\u1ea5t l\u01b0\u1ee3ng EN so v\u1edbi ASME\/ISO<\/b><\/h3>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">K\u00edch th\u01b0\u1edbc<\/span><\/td>\n<td><span style=\"font-weight: 400;\">H\u1ec7 th\u1ed1ng ti\u00eau chu\u1ea9n EN<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n ASME\/ISO<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Nh\u1eefng \u0111i\u1ec3m kh\u00e1c bi\u1ec7t v\u00e0 t\u00e1c \u0111\u1ed9ng ch\u00ednh<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Ch\u1ee9ng nh\u1eadn v\u1eadt li\u1ec7u<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 10204 3.2 (B\u1eaft bu\u1ed9c ph\u1ea3i c\u00f3 s\u1ef1 ch\u1ee9ng nh\u1eadn c\u1ee7a b\u00ean th\u1ee9 ba)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n ASME Ph\u1ea7n II (T\u1ef1 ki\u1ec3m tra nh\u00e0 m\u00e1y th\u00e9p)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">D\u1eef li\u1ec7u theo ti\u00eau chu\u1ea9n EN \u0111\u00e1ng tin c\u1eady h\u01a1n nh\u01b0ng c\u00f3 gi\u00e1 cao h\u01a1n 25%, trong khi ti\u00eau chu\u1ea9n ASME d\u1ef1a v\u00e0o h\u1ec7 th\u1ed1ng \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a nh\u00e0 m\u00e1y.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Ki\u1ec3m tra r\u00e8n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u200bEN 10228\u200b\u200b(UT+MT, v\u1ebft n\u1ee9t \u22645mm)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u200b\u200bASME SA-388\u200b\u200b (UT, v\u1ebft n\u1ee9t \u22648mm)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n EN c\u00f3 dung sai khuy\u1ebft t\u1eadt nghi\u00eam ng\u1eb7t h\u01a1n v\u00e0 t\u1ef7 l\u1ec7 ph\u1ebf ph\u1ea9m cao h\u01a1n ASME t\u1eeb 10% \u0111\u1ebfn 15%.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Ki\u1ec3m tra \u1ed1ng th\u00e9p<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u200bEN 10246\u200b\u200b\uff08ET+RT, l\u1ed7 ch\u00e2n l\u00f4ng \u2264 2 mm\uff09<\/span><\/td>\n<td><span style=\"font-weight: 400;\">API 5L (Ch\u1ec9 d\u00f9ng cho RT, l\u1ed7 ch\u00e2n l\u00f4ng \u2264 3mm)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Vi\u1ec7c ph\u00e1t hi\u1ec7n EN c\u00f3 \u0111\u1ed9 nh\u1ea1y cao h\u01a1n, nh\u01b0ng th\u1eddi gian ph\u00e1t hi\u1ec7n t\u0103ng l\u00ean 30%.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Quy tr\u00ecnh h\u00e0n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n EN 10217 (H\u00e0n TIG\/SAW b\u1eaft bu\u1ed9c + ki\u1ec3m tra \u0111\u1ed9 c\u1ee9ng)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n ASME B31.3 (cho ph\u00e9p h\u00e0n th\u1ee7 c\u00f4ng)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN welding quality is more stable, while ASME is more flexible but depends on the welder&#8217;s skills.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Kh\u1ea3 n\u0103ng truy xu\u1ea5t ngu\u1ed3n g\u1ed1c<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Kh\u1ea3 n\u0103ng truy xu\u1ea5t ngu\u1ed3n g\u1ed1c to\u00e0n b\u1ed9 l\u00f4 h\u00e0ng (EN 10204 3.2)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Kh\u1ea3 n\u0103ng truy xu\u1ea5t ngu\u1ed3n g\u1ed1c theo s\u1ed1 hi\u1ec7u l\u00f2 nung (v\u1eadt li\u1ec7u ASME)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Kh\u1ea3 n\u0103ng truy xu\u1ea5t ngu\u1ed3n g\u1ed1c EN chi ti\u1ebft h\u01a1n, nh\u01b0ng chi ph\u00ed qu\u1ea3n l\u00fd t\u00e0i li\u1ec7u cao h\u01a1n 20%.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h1><b>B\u1ed9 truy\u1ec1n \u0111\u1ed9ng v\u00e0 t\u1ef1 \u0111\u1ed9ng h\u00f3a<\/b><\/h1>\n<p><span style=\"font-weight: 400;\">\u0110\u1ea3m b\u1ea3o t\u00ednh t\u01b0\u01a1ng th\u00edch, \u0111\u1ed9 tin c\u1eady v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c \u0111i\u1ec1u khi\u1ec3n t\u1ef1 \u0111\u1ed9ng h\u00f3a c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb ch\u1ea5p h\u00e0nh (kh\u00ed n\u00e9n, \u0111i\u1ec7n, th\u1ee7y l\u1ef1c) v\u00e0 van \u0111\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u \u0111i\u1ec1u ti\u1ebft hi\u1ec7u qu\u1ea3 c\u00e1c quy tr\u00ecnh c\u00f4ng nghi\u1ec7p.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n s\u1ed1.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u00ean ti\u00eau chu\u1ea9n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Y\u00eau c\u1ea7u c\u00f4ng ngh\u1ec7 \u0111i\u1ec1u khi\u1ec3n<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN ISO 5211<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Giao di\u1ec7n tr\u00ecnh \u0111i\u1ec1u khi\u1ec3n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">M\u00f4-men xo\u1eafn t\u1ed1i \u0111a c\u1ee7a m\u1eb7t b\u00edch F10 l\u00e0 1200Nm.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 15714-1<\/span><\/td>\n<td><span style=\"font-weight: 400;\">B\u1ed9 truy\u1ec1n \u0111\u1ed9ng kh\u00ed n\u00e9n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Sai s\u1ed1 tuy\u1ebfn t\u00ednh \u1edf \u00e1p su\u1ea5t ngu\u1ed3n kh\u00ed 0,5~7 bar \u2264\u00b11,5%<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 15714-2<\/span><\/td>\n<td><span style=\"font-weight: 400;\">B\u1ed9 truy\u1ec1n \u0111\u1ed9ng \u0111i\u1ec7n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Gi\u1ea3i ph\u00e1p t\u00edch h\u1ee3p \u0111\u1ea1t chu\u1ea9n b\u1ea3o v\u1ec7 IP68 v\u00e0 ch\u1ee9ng nh\u1eadn ch\u1ed1ng ch\u00e1y n\u1ed5 EEx d.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 60534<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u0110\u1eb7c t\u00ednh l\u01b0u l\u01b0\u1ee3ng c\u1ee7a van \u0111i\u1ec1u khi\u1ec3n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">M\u00f4 h\u00ecnh ki\u1ec3m ch\u1ee9ng to\u00e1n h\u1ecdc c\u1ee7a \u0111\u01b0\u1eddng cong \u0111\u1eb7c t\u00ednh tuy\u1ebfn t\u00ednh\/t\u1ef7 l\u1ec7 ph\u1ea7n tr\u0103m b\u1eb1ng nhau<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch th\u00f4ng minh: Ti\u00eau chu\u1ea9n EN 15714-3:2022 b\u1ed5 sung giao th\u1ee9c giao di\u1ec7n IoT (h\u1ed7 tr\u1ee3 OPC UA\/Modbus)<\/span><\/p>\n<h3><b>EN ISO 5211 &#8220;Valve drive installation interface&#8221;\u200b\u200b<\/b><\/h3>\n<p><b>C\u00e1c l\u0129nh v\u1ef1c c\u00f4ng ngh\u1ec7 c\u1ed1t l\u00f5i:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">K\u00edch th\u01b0\u1edbc giao di\u1ec7n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu m\u00f4-men xo\u1eafn:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">M\u00e3 giao di\u1ec7n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">K\u00edch th\u01b0\u1edbc \u0111\u1ea7u truy\u1ec1n \u0111\u1ed9ng vu\u00f4ng (mm)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">M\u00f4men xo\u1eafn c\u1ef1c \u0111\u1ea1i (Nm)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Lo\u1ea1i b\u1ed9 truy\u1ec1n \u0111\u1ed9ng \u00e1p d\u1ee5ng<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">F03<\/span><\/td>\n<td><span style=\"font-weight: 400;\">15\u00d715<\/span><\/td>\n<td><span style=\"font-weight: 400;\">50<\/span><\/td>\n<td><span style=\"font-weight: 400;\">B\u1ed9 truy\u1ec1n \u0111\u1ed9ng kh\u00ed n\u00e9n nh\u1ecf<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">F10<\/span><\/td>\n<td><span style=\"font-weight: 400;\">50\u00d750<\/span><\/td>\n<td><span style=\"font-weight: 400;\">1000<\/span><\/td>\n<td><span style=\"font-weight: 400;\">B\u1ed9 truy\u1ec1n \u0111\u1ed9ng \u0111i\u1ec7n (van DN200)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">F16<\/span><\/td>\n<td><span style=\"font-weight: 400;\">100\u00d7100<\/span><\/td>\n<td><span style=\"font-weight: 400;\">5000<\/span><\/td>\n<td><span style=\"font-weight: 400;\">B\u1ed9 truy\u1ec1n \u0111\u1ed9ng th\u1ee7y l\u1ef1c (DN600 tr\u1edf l\u00ean)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Dung sai l\u1eafp \u0111\u1eb7t:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Sai s\u1ed1 \u0111\u1ed3ng tr\u1ee5c c\u1ee7a tr\u1ee5c truy\u1ec1n \u0111\u1ed9ng l\u00e0 \u22640,1mm\/m, v\u00e0 \u0111\u1ed9 song song c\u1ee7a b\u1ec1 m\u1eb7t m\u1eb7t b\u00edch l\u00e0 \u22640,05mm.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b>\u1ee8ng d\u1ee5ng trong c\u00f4ng nghi\u1ec7p<\/b><span style=\"font-weight: 400;\">Van \u0111i\u1ec1u ti\u1ebft h\u00f3a ch\u1ea5t, van c\u1ed5ng th\u1ee7y l\u1ef1c trong c\u00e1c nh\u00e0 m\u00e1y th\u1ee7y \u0111i\u1ec7n.<\/span><\/p>\n<h3><b>EN 15714-1\u300aKi\u1ec3m tra b\u1ed9 truy\u1ec1n \u0111\u1ed9ng kh\u00ed n\u00e9n\u300b\u200b\u200b<\/b><\/h3>\n<figure id=\"attachment_19597\" aria-describedby=\"caption-attachment-19597\" style=\"width: 2000px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-19597 size-full\" src=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/c50baa71cdb03afedb187dce774080b.png\" alt=\"Van \u0111i\u1ec1u khi\u1ec3n kh\u00ed n\u00e9n\" width=\"2000\" height=\"800\" srcset=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/c50baa71cdb03afedb187dce774080b.png 2000w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/c50baa71cdb03afedb187dce774080b-768x307.png 768w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/c50baa71cdb03afedb187dce774080b-1536x614.png 1536w\" sizes=\"auto, (max-width: 2000px) 100vw, 2000px\" \/><figcaption id=\"caption-attachment-19597\" class=\"wp-caption-text\"><a href=\"\/single-seat-control-valve\/\">Van \u0111i\u1ec1u khi\u1ec3n kh\u00ed n\u00e9n JH<\/a><\/figcaption><\/figure>\n<p><b>C\u00e1c y\u00eau c\u1ea7u ki\u1ec3m th\u1eed c\u1ed1t l\u00f5i:<\/b><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">C\u00e1c m\u1ee5c ki\u1ec3m tra<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u0110i\u1ec1u ki\u1ec7n th\u1eed nghi\u1ec7m<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u00eau ch\u00ed ch\u1ea5p nh\u1eadn<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Ki\u1ec3m tra \u0111\u1ed9 k\u00edn kh\u00ed<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u00c1p su\u1ea5t kh\u00f4ng kh\u00ed 0,6 MPa trong 5 ph\u00fat<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u0110\u1ed9 gi\u1ea3m \u00e1p su\u1ea5t \u2264 0,01 MPa<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">V\u00f2ng \u0111\u1eddi<\/span><\/td>\n<td><span style=\"font-weight: 400;\">100.000 l\u1ea7n \u0111\u00f3ng m\u1edf (t\u1ea7n s\u1ed1 \u2265 1Hz)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u1ed1c \u0111\u1ed9 r\u00f2 r\u1ec9 \u22640,1\u00d7DN, dao \u0111\u1ed9ng m\u00f4-men xo\u1eafn \u2264\u00b110%<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Hi\u1ec7u su\u1ea5t \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p<\/span><\/td>\n<td><span style=\"font-weight: 400;\">V\u1eadn h\u00e0nh 50 l\u1ea7n \u1edf -40\u2103<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Sai l\u1ec7ch th\u1eddi gian m\u1edf v\u00e0 \u0111\u00f3ng c\u1eeda \u2264\u00b115%<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><b>\u1ee8ng d\u1ee5ng \u0111i\u1ec3n h\u00ecnh<\/b><span style=\"font-weight: 400;\">Van \u0111i\u1ec1u \u00e1p kh\u00ed t\u1ef1 nhi\u00ean, van m\u00e0ng d\u00f9ng trong ng\u00e0nh th\u1ef1c ph\u1ea9m.<\/span><\/p>\n<h3><b>\u00a0EN 15714-2\u300aTh\u1eed nghi\u1ec7m b\u1ed9 truy\u1ec1n \u0111\u1ed9ng \u0111i\u1ec7n\u300b\u200b\u200b<\/b><\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-19598\" src=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/279ae14bc3b6bab43b888f8100c91c1.png\" alt=\"B\u1ed9 truy\u1ec1n \u0111\u1ed9ng \u0111i\u1ec7n\" width=\"2000\" height=\"800\" srcset=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/279ae14bc3b6bab43b888f8100c91c1.png 2000w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/279ae14bc3b6bab43b888f8100c91c1-768x307.png 768w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/279ae14bc3b6bab43b888f8100c91c1-1536x614.png 1536w\" sizes=\"auto, (max-width: 2000px) 100vw, 2000px\" \/><\/p>\n<p><b>C\u00e1c y\u00eau c\u1ea7u ki\u1ec3m th\u1eed c\u1ed1t l\u00f5i:<\/b><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">C\u00e1c m\u1ee5c ki\u1ec3m tra<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u0110i\u1ec1u ki\u1ec7n th\u1eed nghi\u1ec7m<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u00eau ch\u00ed ch\u1ea5p nh\u1eadn<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">B\u1ea3o v\u1ec7 qu\u00e1 t\u1ea3i<\/span><\/td>\n<td><span style=\"font-weight: 400;\">M\u00f4-men xo\u1eafn g\u1ea5p 1,5 l\u1ea7n m\u00f4-men xo\u1eafn \u0111\u1ecbnh m\u1ee9c trong 10 l\u1ea7n ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Kh\u00f4ng c\u00f3 bi\u1ebfn d\u1ea1ng c\u1ea5u tr\u00fac, dao \u0111\u1ed9ng d\u00f2ng \u0111i\u1ec7n \u2264\u00b110%<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Kh\u1ea3 n\u0103ng ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u0110\u1ea1t chu\u1ea9n IP67 (ch\u1ed1ng n\u01b0\u1edbc \u1edf \u0111\u1ed9 s\u00e2u 1 m\u00e9t, trong 30 ph\u00fat)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u0110\u1ed9 \u1ea9m b\u00ean trong \u226485%<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Ch\u1ed1ng nhi\u1ec5u EMC<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ho\u1ea1t \u0111\u1ed9ng d\u01b0\u1edbi nhi\u1ec5u RF 10V\/m<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Sai s\u1ed1 ph\u1ea3n h\u1ed3i v\u1ecb tr\u00ed \u2264\u00b11%<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><b>\u1ee8ng d\u1ee5ng trong c\u00f4ng nghi\u1ec7p<\/b><span style=\"font-weight: 400;\">Van h\u01a1i ch\u00ednh cho nh\u00e0 m\u00e1y \u0111i\u1ec7n h\u1ea1t nh\u00e2n, van \u0111i\u1ec1u ti\u1ebft cho nh\u00e0 m\u00e1y h\u00f3a d\u1ea7u.<\/span><\/p>\n<h3><b>\u200b\u200bEN 60534 &#8220;Industrial Process Control Valves&#8221;\u200b\u200b<\/b><\/h3>\n<p><b>N\u1ed9i dung ch\u00ednh:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ki\u1ec3m tra \u0111\u1eb7c t\u00ednh d\u00f2ng ch\u1ea3y:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">\u0110\u1eb7c t\u00ednh d\u00f2ng ch\u1ea3y<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00e1c tr\u01b0\u1eddng h\u1ee3p \u00e1p d\u1ee5ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Sai l\u1ec7ch cho ph\u00e9p<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">T\u1ef7 l\u1ec7 ph\u1ea7n tr\u0103m b\u1eb1ng nhau<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u0110i\u1ec1u ch\u1ec9nh \u0111\u1ed9 ch\u00ednh x\u00e1c cao (ng\u00e0nh c\u00f4ng nghi\u1ec7p h\u00f3a ch\u1ea5t)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">H\u1ec7 s\u1ed1 d\u00f2ng ch\u1ea3y (Cv) \u00b15%<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Lo\u1ea1i m\u1edf nhanh<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00f4ng t\u1eafc \u0111i\u1ec1u khi\u1ec3n (x\u1eed l\u00fd n\u01b0\u1edbc)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u0110\u01b0\u1eddng cong l\u01b0u l\u01b0\u1ee3ng \u0111\u1ed9t qu\u1ef5 \u00b18%<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ki\u1ec3m tra ph\u1ea3n \u1ee9ng b\u01b0\u1edbc:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">T\u00edn hi\u1ec7u \u0111\u1ea7u v\u00e0o thay \u0111\u1ed5i<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Th\u1eddi gian ph\u1ea3n h\u1ed3i<\/span><\/td>\n<td><span style=\"font-weight: 400;\">V\u01b0\u1ee3t qu\u00e1<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">0~100%<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u22643 gi\u00e2y (van \u0111i\u1ec1u ch\u1ec9nh)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Gi\u00e1 tr\u1ecb c\u00e0i \u0111\u1eb7t \u22645%<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><b>C\u00e1c k\u1ecbch b\u1ea3n \u1ee9ng d\u1ee5ng<\/b><span style=\"font-weight: 400;\">: Van \u0111i\u1ec1u khi\u1ec3n l\u01b0u l\u01b0\u1ee3ng trong nh\u00e0 m\u00e1y l\u1ecdc d\u1ea7u, van \u0111i\u1ec1u ch\u1ec9nh \u00e1p su\u1ea5t trong nh\u00e0 m\u00e1y d\u01b0\u1ee3c ph\u1ea9m.<\/span><\/p>\n<h3><b>So s\u00e1nh c\u00f4ng ngh\u1ec7: Ti\u00eau chu\u1ea9n EN so v\u1edbi ti\u00eau chu\u1ea9n IEC\/ISA<\/b><\/h3>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">K\u00edch th\u01b0\u1edbc<\/span><\/td>\n<td><span style=\"font-weight: 400;\">H\u1ec7 th\u1ed1ng ti\u00eau chu\u1ea9n EN<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n IEC\/ISA<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Nh\u1eefng \u0111i\u1ec3m kh\u00e1c bi\u1ec7t v\u00e0 t\u00e1c \u0111\u1ed9ng ch\u00ednh<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Giao di\u1ec7n ng\u01b0\u1eddi l\u00e1i<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n EN ISO 5211 (Giao di\u1ec7n d\u00f2ng F, ph\u00e2n lo\u1ea1i m\u00f4-men xo\u1eafn)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">IEC 60534-6 (giao di\u1ec7n t\u01b0\u01a1ng t\u1ef1, kh\u00f4ng c\u00f3 ph\u00e2n lo\u1ea1i m\u00f4-men xo\u1eafn)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n EN cung c\u1ea5p kh\u1ea3 n\u0103ng ch\u1ecbu m\u00f4-men xo\u1eafn \u0111\u01b0\u1ee3c \u0111\u1ecbnh l\u01b0\u1ee3ng, gi\u00fap vi\u1ec7c l\u1ef1a ch\u1ecdn ch\u00ednh x\u00e1c h\u01a1n, nh\u01b0ng \u0111\u00f2i h\u1ecfi ph\u1ea3i x\u00e1c minh thi\u1ebft k\u1ebf b\u1ed5 sung.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">B\u1ed9 truy\u1ec1n \u0111\u1ed9ng kh\u00ed n\u00e9n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 15714-1 (Th\u1eed nghi\u1ec7m tu\u1ed5i th\u1ecd 100.000 chu k\u1ef3)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ISA 75.10 (50.000 chu k\u1ef3)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n EN c\u00f3 y\u00eau c\u1ea7u v\u1ec1 \u0111\u1ed9 tin c\u1eady cao h\u01a1n, nh\u01b0ng chi ph\u00ed b\u1ed9 truy\u1ec1n \u0111\u1ed9ng t\u0103ng th\u00eam 20%.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">B\u1ed9 truy\u1ec1n \u0111\u1ed9ng \u0111i\u1ec7n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n EN 15714-2 (b\u1eaft bu\u1ed9c ch\u1ed1ng n\u01b0\u1edbc IP67)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">IEC 60534-8 (khuy\u1ebfn ngh\u1ecb IP65)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n EN ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt\/ngo\u00e0i tr\u1eddi (nh\u01b0 gi\u00e0n khoan ngo\u00e0i kh\u01a1i), c\u00f2n ti\u00eau chu\u1ea9n IEC ph\u00f9 h\u1ee3p v\u1edbi ng\u00e0nh c\u00f4ng nghi\u1ec7p n\u00f3i chung.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Hi\u1ec7u su\u1ea5t van \u0111i\u1ec1u khi\u1ec3n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 60534 (\u0110\u1ed9 v\u1ecdt l\u1ed1 \u0111\u00e1p \u1ee9ng b\u01b0\u1edbc \u22645%)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ISA 75.25 (v\u01b0\u1ee3t m\u1ee9c \u2264 10%)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n EN c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c \u0111i\u1ec1u khi\u1ec3n cao h\u01a1n, nh\u01b0ng l\u1ea1i c\u00f3 y\u00eau c\u1ea7u kh\u1eaft khe h\u01a1n v\u1ec1 kh\u1ea3 n\u0103ng ph\u1ea3n h\u1ed3i \u0111\u1ed9ng c\u1ee7a b\u1ed9 truy\u1ec1n \u0111\u1ed9ng.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h1><b>Ti\u00eau chu\u1ea9n b\u1ea3o tr\u00ec v\u00e0 c\u1ea3i t\u1ea1o<\/b><\/h1>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-19599\" src=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/b0cb7fd078a9dc04ee750584e89b5fd.png\" alt=\"Ti\u00eau chu\u1ea9n s\u1eeda ch\u1eefa v\u00e0 \u0111i\u1ec1u ch\u1ec9nh van\" width=\"2000\" height=\"800\" srcset=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/b0cb7fd078a9dc04ee750584e89b5fd.png 2000w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/b0cb7fd078a9dc04ee750584e89b5fd-768x307.png 768w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/b0cb7fd078a9dc04ee750584e89b5fd-1536x614.png 1536w\" sizes=\"auto, (max-width: 2000px) 100vw, 2000px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">Chu\u1ea9n h\u00f3a quy tr\u00ecnh b\u1ea3o tr\u00ec v\u00e0 s\u1eeda \u0111\u1ed5i van v\u00e0 c\u00e1c h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u1ed1ng li\u00ean quan \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n, an to\u00e0n v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a thi\u1ebft b\u1ecb \u0111\u00e3 s\u1eeda ch\u1eefa.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n s\u1ed1.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u00ean ti\u00eau chu\u1ea9n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt b\u1ea3o tr\u00ec<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 13480<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u1ea3i t\u1ea1o h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u1ed1ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 l\u00e0m n\u00f3ng s\u01a1 b\u1ed9 cho h\u00e0n b\u1ea3o tr\u00ec tr\u1ef1c tuy\u1ebfn<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 12952<\/span><\/td>\n<td><span style=\"font-weight: 400;\">S\u1eeda ch\u1eefa van n\u1ed3i h\u01a1i<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ki\u1ec3m tra h\u1ed3 s\u01a1 nhi\u1ec7t \u0111\u1ed9 x\u1eed l\u00fd nhi\u1ec7t sau h\u00e0n (PWHT)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 13445<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Van h\u1ed7 tr\u1ee3 b\u00ecnh \u00e1p l\u1ef1c<\/span><\/td>\n<td><span style=\"font-weight: 400;\">H\u1ec7 s\u1ed1 \u00e1p su\u1ea5t th\u1eed th\u1ee7y l\u1ef1c sau khi hi\u1ec7u ch\u1ec9nh l\u00e0 1,33\u00d7MAWP<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 10253<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Quy tr\u00ecnh s\u1eeda ch\u1eefa h\u00e0n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u0110\u1ed9 s\u00e2u m\u00e0i khuy\u1ebft t\u1eadt \u2264 ph\u1ea1m vi cho ph\u00e9p s\u1eeda ch\u1eefa \u0111\u1ed9 d\u00e0y th\u00e0nh 20%<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">Gi\u00e1 tr\u1ecb kinh t\u1ebf: Van \u0111\u01b0\u1ee3c s\u1eeda ch\u1eefa theo ti\u00eau chu\u1ea9n EN 13480 c\u00f3 th\u1ec3 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd th\u00eam 15 n\u0103m (y\u00eau c\u1ea7u ki\u1ec3m tra kh\u00f4ng ph\u00e1 h\u1ee7y h\u00e0ng n\u0103m).<\/span><\/p>\n<h3><b>\u200bEN 13480 &#8220;Repair and replacement of metal industrial pipes&#8221;\u200b\u200b<\/b><\/h3>\n<p><b>C\u00e1c l\u0129nh v\u1ef1c tr\u1ecdng t\u00e2m:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Y\u00eau c\u1ea7u v\u1ec1 quy tr\u00ecnh b\u1ea3o tr\u00ec:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">C\u00e1c h\u1ea1ng m\u1ee5c b\u1ea3o tr\u00ec<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00e1c tr\u01b0\u1eddng h\u1ee3p \u00e1p d\u1ee5ng<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Thay th\u1ebf m\u1ed9t ph\u1ea7n \u0111\u01b0\u1eddng \u1ed1ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">V\u1eadt li\u1ec7u \u1ed1ng m\u1edbi t\u01b0\u01a1ng th\u00edch v\u1ec1 m\u1eb7t h\u00f3a h\u1ecdc v\u1edbi \u1ed1ng c\u0169 (EN 10027-1)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u1ed0ng b\u1ecb \u0103n m\u00f2n (m\u1ea5t \u0111\u1ed9 d\u00e0y \u2265 20%)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">S\u1eeda ch\u1eefa h\u00e0n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Quy tr\u00ecnh th\u1ea9m \u0111\u1ecbnh theo ti\u00eau chu\u1ea9n EN ISO 15614, X\u1eed l\u00fd nhi\u1ec7t sau h\u00e0n (PWHT)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">S\u1eeda ch\u1eefa v\u1ebft n\u1ee9t \u0111\u01b0\u1eddng \u1ed1ng h\u01a1i n\u01b0\u1edbc nhi\u1ec7t \u0111\u1ed9 cao<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ki\u1ec3m th\u1eed v\u00e0 x\u00e1c minh:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Ph\u1ea7n thay th\u1ebf c\u1ea7n \u0111\u01b0\u1ee3c ki\u1ec3m tra theo ti\u00eau chu\u1ea9n 100% RT (EN 1435) ho\u1eb7c PT\/MT (EN 1291), v\u1edbi c\u00e1c khuy\u1ebft t\u1eadt n\u1ee9t \u2264 5mm.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3><b>\u200b\u200bEN 12952 &#8220;Maintenance of water tube boilers and auxiliary equipment&#8221;\u200b\u200b<\/b><\/h3>\n<p><b>C\u00e1c y\u00eau c\u1ea7u ch\u00ednh:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">S\u1eeda ch\u1eefa van n\u1ed3i h\u01a1i:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">D\u1ef1 \u00e1n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n b\u1ea3o tr\u00ec<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00e1c ch\u1ec9 s\u1ed1 ch\u1ea5p nh\u1eadn<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">S\u1eeda ch\u1eefa van an to\u00e0n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u0110\u1ed9 nh\u00e1m c\u1ee7a b\u1ec1 m\u1eb7t l\u00e0m k\u00edn sau khi m\u00e0i l\u00e0 Ra\u22640,4\u03bcm.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u0110\u1ed9 l\u1ec7ch \u00e1p su\u1ea5t k\u00edch ho\u1ea1t \u2264\u00b12%<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">H\u00e0n \u1ed1ng n\u1ed3i h\u01a1i<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Nhi\u1ec7t \u0111\u1ed9 l\u00e0m n\u00f3ng s\u01a1 b\u1ed9 \u2265150\u2103, nhi\u1ec7t \u0111\u1ed9 gi\u1eefa c\u00e1c l\u1edbp \u2264300\u2103<\/span><\/td>\n<td><span style=\"font-weight: 400;\">N\u0103ng l\u01b0\u1ee3ng va \u0111\u1eadp khi h\u00e0n \u2265 27J (20\u2103)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ki\u1ec3m tra NDT:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Khu v\u1ef1c s\u1eeda ch\u1eefa 100% UT (EN 1714) + RT (EN 1435), chi\u1ec1u d\u00e0i x\u1ec9 k\u00e8m theo 3 mm.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3><b>Ti\u00eau chu\u1ea9n EN 13445 \u300aB\u1ea3o tr\u00ec c\u00e1c b\u00ecnh ch\u1ecbu \u00e1p l\u1ef1c kh\u00f4ng ti\u1ebfp x\u00fac v\u1edbi ng\u1ecdn l\u1eeda\u300b<\/b><\/h3>\n<p><b>Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ch\u00ednh:<\/b><\/p>\n<p><span style=\"font-weight: 400;\">\u0110i\u1ec1u ch\u1ec9nh van b\u00ecnh \u00e1p su\u1ea5t:<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Lo\u1ea1i h\u00ecnh c\u1ea3i t\u1ea1o<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u00eau ch\u00ed ch\u1ea5p nh\u1eadn<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">N\u00e2ng c\u1ea5p van an to\u00e0n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Kh\u1ea3 n\u0103ng x\u1ea3 \u00e1p su\u1ea5t \u2265 115% theo thi\u1ebft k\u1ebf ban \u0111\u1ea7u<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u0110\u00e3 \u0111\u01b0\u1ee3c ki\u1ec3m tra theo ti\u00eau chu\u1ea9n EN ISO 4126-1<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">L\u00e0m m\u1edbi b\u1ec1 m\u1eb7t ni\u00eam phong<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t c\u1ee7a v\u1eadt li\u1ec7u l\u00f3t \u2265 nhi\u1ec7t \u0111\u1ed9 thi\u1ebft k\u1ebf + 50\u2103<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u1ed1c \u0111\u1ed9 r\u00f2 r\u1ec9 heli \u226410\u207b\u2076 mbar\u00b7l\/s<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Mi\u1ec5n tr\u1eeb ki\u1ec3m tra t\u00e1c \u0111\u1ed9ng:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Khi v\u1eadt li\u1ec7u kh\u00f4ng thay \u0111\u1ed5i v\u00e0 nhi\u1ec7t \u0111\u1ed9 v\u1eadn h\u00e0nh \u2265 -10\u2103, c\u00f3 th\u1ec3 mi\u1ec5n th\u1eed nghi\u1ec7m va \u0111\u1eadp \u1edf -20\u2103 (c\u1ea7n c\u00f3 b\u00e1o c\u00e1o \u0111\u00e1nh gi\u00e1 r\u1ee7i ro).<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3><b>EN 10253 &#8220;Maintenance requirements for butt-welded pipe joints&#8221;\u200b\u200b<\/b><\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-19600\" src=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/5a2547a98e2e58239c70754d6319680.png\" alt=\"B\u1ea3o tr\u00ec m\u1ed1i h\u00e0n \u0111\u01b0\u1eddng \u1ed1ng v\u00e0 van\" width=\"2000\" height=\"800\" srcset=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/5a2547a98e2e58239c70754d6319680.png 2000w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/5a2547a98e2e58239c70754d6319680-768x307.png 768w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/5a2547a98e2e58239c70754d6319680-1536x614.png 1536w\" sizes=\"auto, (max-width: 2000px) 100vw, 2000px\" \/><\/p>\n<p><b>N\u1ed9i dung ch\u00ednh:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">H\u00e0n c\u00e1c m\u1ed1i n\u1ed1i b\u1ecb h\u01b0 h\u1ecfng:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Ph\u01b0\u01a1ng ph\u00e1p s\u1eeda ch\u1eefa<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Y\u00eau c\u1ea7u quy tr\u00ecnh<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00e1c lo\u1ea1i l\u1ed7i \u00e1p d\u1ee5ng<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">M\u00e0i v\u00e0 s\u1eeda ch\u1eefa<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u0110\u1ed9 d\u00e0y th\u00e0nh gi\u1ea3m \u226410% so v\u1edbi \u0111\u1ed9 d\u00e0y ban \u0111\u1ea7u, chuy\u1ec3n ti\u1ebfp m\u01b0\u1ee3t m\u00e0 (\u0111\u1ed9 d\u1ed1c 1:4)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">L\u1ed7 ch\u00e2n l\u00f4ng v\u00e0 v\u1ebft x\u01b0\u1edbc tr\u00ean b\u1ec1 m\u1eb7t<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">H\u00e0n s\u1eeda ch\u1eefa<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Nhi\u1ec7t \u0111\u1ed9 nung n\u00f3ng s\u01a1 b\u1ed9 \u2265 100\u2103, ki\u1ec3m tra kh\u00f4ng ph\u00e1 h\u1ee7y m\u1ed1i h\u00e0n (UT+RT)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00e1c v\u1ebft n\u1ee9t b\u00ean trong (\u0111\u1ed9 s\u00e2u \u2265 2mm)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00e1c c\u1ea5p \u0111\u1ed9 ph\u00f9 h\u1ee3p thay th\u1ebf:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">C\u1ea5p<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Y\u00eau c\u1ea7u ki\u1ec3m th\u1eed<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u00c1p su\u1ea5t \u00e1p d\u1ee5ng (PN)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">\u0826A<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ki\u1ec3m tra b\u1eb1ng m\u1eaft th\u01b0\u1eddng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">PN10~PN16<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">\u0826D<\/span><\/td>\n<td><span style=\"font-weight: 400;\">100% RT+UT<\/span><\/td>\n<td><span style=\"font-weight: 400;\">PN63~PN100<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><b>So s\u00e1nh k\u1ef9 thu\u1eadt: Ti\u00eau chu\u1ea9n s\u1eeda ch\u1eefa EN so v\u1edbi ti\u00eau chu\u1ea9n ASME\/API<\/b><\/h3>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">K\u00edch th\u01b0\u1edbc<\/span><\/td>\n<td><span style=\"font-weight: 400;\">H\u1ec7 th\u1ed1ng ti\u00eau chu\u1ea9n EN<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n ASME\/API<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Nh\u1eefng \u0111i\u1ec3m kh\u00e1c bi\u1ec7t v\u00e0 t\u00e1c \u0111\u1ed9ng ch\u00ednh<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Quy tr\u00ecnh h\u00e0n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 13480 (X\u1eed l\u00fd nhi\u1ec7t sau h\u00e0n b\u1eaft bu\u1ed9c, gia nhi\u1ec7t s\u01a1 b\u1ed9 \u2265 150\u00b0C)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ASME B31.3 (Cho ph\u00e9p mi\u1ec5n tr\u1eeb m\u1ed9t ph\u1ea7n \u0111\u1ed1i v\u1edbi x\u1eed l\u00fd nhi\u1ec7t sau h\u00e0n)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Quy tr\u00ecnh EN nghi\u00eam ng\u1eb7t h\u01a1n v\u00e0 gi\u1ea3m \u1ee9ng su\u1ea5t d\u01b0, nh\u01b0ng s\u1ed1 gi\u1edd l\u00e0m vi\u1ec7c t\u0103ng th\u00eam 30%.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Ph\u1ea1m vi ph\u1ee7 s\u00f3ng NDT<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 12952 (Khu v\u1ef1c s\u1eeda ch\u1eefa 100% RT+UT)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">API 570 (L\u1ea5y m\u1eabu RT \u226520%)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Chi ph\u00ed ki\u1ec3m tra EN cao h\u01a1n 50%, nh\u01b0ng t\u1ef7 l\u1ec7 ph\u00e1t hi\u1ec7n l\u1ed7i t\u0103ng l\u00ean 40%.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Mi\u1ec5n ki\u1ec3m tra t\u00e1c \u0111\u1ed9ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 13445 (Mi\u1ec5n tr\u1eeb \u0111\u00e1nh gi\u00e1 r\u1ee7i ro v\u1ec1 \u0111i\u1ec1u ki\u1ec7n l\u00e0m vi\u1ec7c)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ASME VIII-1 (Th\u1eed nghi\u1ec7m va \u0111\u1eadp b\u1eaft bu\u1ed9c)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n EN linh ho\u1ea1t h\u01a1n, trong khi c\u00e1c quy tr\u00ecnh c\u1ee7a ASME mang t\u00ednh b\u1ea3o th\u1ee7 h\u01a1n.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">S\u1eeda ch\u1eefa m\u1ed1i h\u00e0n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 10253 (m\u1ea5t \u0111\u1ed9 d\u00e0y th\u00e0nh \u2264 10% c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c m\u00e0i)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ASME B31.1 (\u0111\u01b0\u1ee3c ph\u00e9p s\u1eeda ch\u1eefa n\u1ebfu \u0111\u1ed9 hao h\u1ee5t \u0111\u1ed9 d\u00e0y th\u00e0nh \u1ed1ng \u22645%)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n EN cho ph\u00e9p ph\u1ea1m vi s\u1eeda ch\u1eefa r\u1ed9ng h\u01a1n, trong khi ti\u00eau chu\u1ea9n ASME c\u00f3 c\u00e1c y\u00eau c\u1ea7u nghi\u00eam ng\u1eb7t h\u01a1n.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h1><b>Ti\u00eau chu\u1ea9n b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng v\u00e0 hi\u1ec7u qu\u1ea3 n\u0103ng l\u01b0\u1ee3ng<\/b><\/h1>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-19602\" src=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/defa192e90c4899baad5e904772eba0.png\" alt=\"B\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng \u0111\u1ed1i v\u1edbi van v\u00e0 b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng \u0111\u1ed1i v\u1edbi kh\u00ed th\u1ea3i c\u1ee7a nh\u00e0 m\u00e1y h\u00f3a ch\u1ea5t\" width=\"2000\" height=\"800\" srcset=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/defa192e90c4899baad5e904772eba0.png 2000w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/defa192e90c4899baad5e904772eba0-768x307.png 768w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/defa192e90c4899baad5e904772eba0-1536x614.png 1536w\" sizes=\"auto, (max-width: 2000px) 100vw, 2000px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">Gi\u1ea3m ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng v\u00e0 \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng c\u1ee7a van v\u00e0 c\u00e1c thi\u1ebft b\u1ecb li\u00ean quan \u0111\u1ec3 \u0111\u00e1p \u1ee9ng Th\u1ecfa thu\u1eadn Xanh ch\u00e2u \u00c2u v\u00e0 c\u00e1c m\u1ee5c ti\u00eau gi\u1ea3m ph\u00e1t th\u1ea3i carbon.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n s\u1ed1.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u00ean ti\u00eau chu\u1ea9n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Y\u00eau c\u1ea7u v\u1ec1 c\u00f4ng ngh\u1ec7 xanh<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 16247<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u0110\u00e1nh gi\u00e1 hi\u1ec7u qu\u1ea3 n\u0103ng l\u01b0\u1ee3ng c\u1ee7a van<\/span><\/td>\n<td><span style=\"font-weight: 400;\">M\u00f4 h\u00ecnh m\u1ed1i quan h\u1ec7 gi\u1eefa h\u1ec7 s\u1ed1 t\u1ed5n hao \u00e1p su\u1ea5t Kv v\u00e0 m\u1ee9c ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng c\u1ee7a h\u1ec7 th\u1ed1ng.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 14394<\/span><\/td>\n<td><span style=\"font-weight: 400;\">L\u01b0\u1ee3ng kh\u00ed th\u1ea3i ph\u00e1t t\u00e1n th\u1ea5p<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Gi\u1ea3i ph\u00e1p t\u00edch h\u1ee3p \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn TA-Luft (t\u1ef7 l\u1ec7 r\u00f2 r\u1ec9 \u2264 50ppm)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 45544<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Con d\u1ea5u m\u00f4i tr\u01b0\u1eddng \u0111\u1ed9c h\u1ea1i<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt thi\u1ebft k\u1ebf cho h\u1ed9p \u0111\u1ec7m k\u00e9p d\u00f9ng cho m\u00f4i ch\u1ea5t benzen.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 14015<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Van th\u00f4ng h\u01a1i c\u1ee7a b\u00ecnh ch\u1ee9a<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Y\u00eau c\u1ea7u thi\u1ebft k\u1ebf k\u1ebft c\u1ea5u \u0111\u1ec3 \u0111\u1ea1t hi\u1ec7u qu\u1ea3 thu h\u1ed3i VOC \u2265 95%<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">Li\u00ean k\u1ebft ch\u1ee9ng nh\u1eadn: \u0110\u1ea1t ti\u00eau chu\u1ea9n EN 14394 c\u00f3 th\u1ec3 \u0111\u1ed3ng th\u1eddi nh\u1eadn \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn ISO 15848-1.<\/span><\/p>\n<h3><b>Ki\u1ec3m to\u00e1n n\u0103ng l\u01b0\u1ee3ng theo ti\u00eau chu\u1ea9n EN 16247<\/b><\/h3>\n<p><b>C\u00e1c y\u00eau c\u1ea7u c\u1ed1t l\u00f5i:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00e1c ch\u1ec9 s\u1ed1 \u0111\u00e1nh gi\u00e1 hi\u1ec7u qu\u1ea3 n\u0103ng l\u01b0\u1ee3ng:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Lo\u1ea1i van<\/span><\/td>\n<td><span style=\"font-weight: 400;\">M\u1ee9c ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng \u0111\u01a1n v\u1ecb (kWh\/n\u0103m\u00b7DN)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">M\u1ee5c ti\u00eau t\u1ed1i \u01b0u h\u00f3a (%)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Van \u0111i\u1ec1u khi\u1ec3n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u22641500<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Gi\u1ea3m \u0111i 15%~30%<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Van ch\u1eb7n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u2264800<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Gi\u1ea3m \u0111i 10%~20%<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Quy tr\u00ecnh ki\u1ec3m to\u00e1n:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Thu th\u1eadp d\u1eef li\u1ec7u: Theo d\u00f5i li\u00ean t\u1ee5c s\u1ef1 s\u1ee5t gi\u1ea3m \u00e1p su\u1ea5t van, t\u1ed1c \u0111\u1ed9 r\u00f2 r\u1ec9 v\u00e0 m\u1ee9c ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng c\u1ee7a \u0111\u1ed9ng c\u01a1 (\u00edt nh\u1ea5t 30 ng\u00e0y).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">K\u1ebf ho\u1ea1ch c\u1ea3i ti\u1ebfn: \u00e1p d\u1ee5ng thi\u1ebft k\u1ebf \u0111i\u1ec7n tr\u1edf th\u1ea5p v\u00e0 thu\u1eadt to\u00e1n \u0111i\u1ec1u khi\u1ec3n th\u00f4ng minh (nh\u01b0 t\u1ed1i \u01b0u h\u00f3a PID).<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b>\u1ee8ng d\u1ee5ng c\u00f4ng nghi\u1ec7p<\/b><span style=\"font-weight: 400;\">\u200b\u200b: Chuy\u1ec3n \u0111\u1ed5i ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng c\u00e1c van h\u1ec7 th\u1ed1ng h\u01a1i n\u01b0\u1edbc trong nh\u00e0 m\u00e1y h\u00f3a ch\u1ea5t v\u00e0 t\u1ed1i \u01b0u h\u00f3a li\u00ean k\u1ebft b\u01a1m-van trong nh\u00e0 m\u00e1y x\u1eed l\u00fd n\u01b0\u1edbc.<\/span><\/p>\n<h3><b>EN 14394 &#8220;Emission Control for Actuated Valves in Internal Combustion Engines&#8221;\u200b\u200b<\/b><\/h3>\n<p><b>Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ch\u00ednh:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Gi\u00e1 tr\u1ecb gi\u1edbi h\u1ea1n ph\u00e1t th\u1ea3i:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Gi\u00e1 tr\u1ecb gi\u1edbi h\u1ea1n (g\/kWh)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u0110i\u1ec1u ki\u1ec7n th\u1eed nghi\u1ec7m (ISO 8178)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Oxit nit\u01a1 (NOx)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u22643,5<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Chu k\u1ef3 t\u1ea3i \u0111\u1ea7y \u0111\u1ee7<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">B\u1ee5i m\u1ecbn (PM)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u22640,1<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Tr\u1ea1ng th\u00e1i \u1ed5n \u0111\u1ecbnh<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00e1c bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">H\u1ec7 th\u1ed1ng x\u1eed l\u00fd kh\u00ed th\u1ea3i sau \u0111\u1ed1t: SCR (Selective Catalytic Reduction) ho\u1eb7c DPF (Particulate Filter).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">T\u1ed1i \u01b0u h\u00f3a nhi\u00ean li\u1ec7u: S\u1eed d\u1ee5ng nhi\u00ean li\u1ec7u sinh h\u1ecdc (ti\u00eau chu\u1ea9n EN 14214).<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">\u200b<\/span><b>\u1ee8ng d\u1ee5ng \u0111i\u1ec3n h\u00ecnh<\/b><span style=\"font-weight: 400;\">: C\u00e1c b\u1ed9 ngu\u1ed3n van th\u1ee7y l\u1ef1c di \u0111\u1ed9ng (v\u00ed d\u1ee5: thi\u1ebft b\u1ecb x\u1ebfp d\u1ee1 h\u00e0ng h\u00f3a t\u1ea1i c\u1ea3ng).<\/span><\/p>\n<h3><b>\u200b\u200bEN 45544 &#8220;Control of Air Pollutants in the Workplace&#8221;\u200b\u200b<\/b><\/h3>\n<p><b>N\u1ed9i dung ch\u00ednh:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Gi\u1edbi h\u1ea1n t\u1ed1c \u0111\u1ed9 r\u00f2 r\u1ec9 van (k\u1ecbch b\u1ea3n kh\u00ed \u0111\u1ed9c):<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Lo\u1ea1i ph\u01b0\u01a1ng ti\u1ec7n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u1ef7 l\u1ec7 r\u00f2 r\u1ec9 cho ph\u00e9p (ppm)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ph\u01b0\u01a1ng ph\u00e1p ph\u00e1t hi\u1ec7n<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Hydro sunfua (H\u2082S)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u22645<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Quang ph\u1ed5 h\u1ed3ng ngo\u1ea1i (EN 45544-3)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Clo (Cl\u2082)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u22641<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u1ea3m bi\u1ebfn \u0111i\u1ec7n h\u00f3a<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Thi\u1ebft k\u1ebf b\u1ea3o v\u1ec7:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">C\u1ea5u tr\u00fac l\u00e0m k\u00edn k\u00e9p (\u1ed1ng x\u1ebfp + h\u1ed9p \u0111\u1ec7m).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">C\u1eeda x\u1ea3 m\u1edf r\u1ed9ng th\u00e2n (thu gom kh\u00ed r\u00f2 r\u1ec9 theo h\u01b0\u1edbng x\u00e1c \u0111\u1ecbnh).<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b>\u1ee8ng d\u1ee5ng trong c\u00f4ng nghi\u1ec7p<\/b><span style=\"font-weight: 400;\">: Van kh\u00ed t\u1ef1 nhi\u00ean ch\u1ee9a l\u01b0u hu\u1ef3nh trong c\u00e1c nh\u00e0 m\u00e1y h\u00f3a d\u1ea7u, van \u0111\u1ea7u ra cho c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n ph\u00e2n trong ng\u00e0nh c\u00f4ng nghi\u1ec7p clo-ki\u1ec1m.<\/span><\/p>\n<h3><b>Ti\u00eau chu\u1ea9n EN 14015 \u300aThi\u1ebft k\u1ebf th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng c\u1ee7a b\u1ec3 ch\u1ee9a\u300b<\/b><\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-19601\" src=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/821b4a7f8f6c4869bf63e22017cd5cb.png\" alt=\"B\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng b\u1ec3 ch\u1ee9a\" width=\"2000\" height=\"800\" srcset=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/821b4a7f8f6c4869bf63e22017cd5cb.png 2000w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/821b4a7f8f6c4869bf63e22017cd5cb-768x307.png 768w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/821b4a7f8f6c4869bf63e22017cd5cb-1536x614.png 1536w\" sizes=\"auto, (max-width: 2000px) 100vw, 2000px\" \/><\/p>\n<p><b>C\u00e1c y\u00eau c\u1ea7u ch\u00ednh:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00e1c ch\u1ec9 s\u1ed1 b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng c\u1ee7a van b\u1ed3n ch\u1ee9a:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">D\u1ef1 \u00e1n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">M\u1ee5c l\u1ee5c<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">C\u00e1c h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 d\u1ec5 bay h\u01a1i (VOCs)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u1ef7 l\u1ec7 r\u00f2 r\u1ec9 \u2264500ppm (ph\u00e1t hi\u1ec7n b\u1eb1ng FID)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 13598-1<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">nguy c\u01a1 \u00f4 nhi\u1ec5m n\u01b0\u1edbc m\u01b0a<\/span><\/td>\n<td><span style=\"font-weight: 400;\">COD \u0111\u1ea7u ra van \u2264 50 mg\/L<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ISO 6060<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">V\u1eadt li\u1ec7u v\u00e0 quy tr\u00ecnh:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">V\u1ecf van th\u00f4ng h\u01a1i c\u1ee7a b\u00ecnh ch\u1ee9a \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 (1.4404) ho\u1eb7c \u0111\u01b0\u1ee3c l\u00f3t b\u1eb1ng PTFE.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Gio\u0103ng k\u00edn kh\u00ed (EN 1514-1) \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng t\u1ea1i c\u00e1c m\u1ed1i n\u1ed1i m\u1eb7t b\u00edch.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b>C\u00e1c k\u1ecbch b\u1ea3n \u1ee9ng d\u1ee5ng<\/b><span style=\"font-weight: 400;\">: Van th\u00f4ng h\u01a1i c\u1ee7a b\u1ec3 ch\u1ee9a d\u1ea7u th\u00f4, van \u0111\u00e1y c\u1ee7a b\u1ec3 ch\u1ee9a h\u00f3a ch\u1ea5t.<\/span><\/p>\n<h3><b>So s\u00e1nh k\u1ef9 thu\u1eadt: Ti\u00eau chu\u1ea9n EN so v\u1edbi ti\u00eau chu\u1ea9n ISO\/API<\/b><\/h3>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">K\u00edch th\u01b0\u1edbc<\/span><\/td>\n<td><span style=\"font-weight: 400;\">H\u1ec7 th\u1ed1ng ti\u00eau chu\u1ea9n EN<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n ISO\/API<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Nh\u1eefng \u0111i\u1ec3m kh\u00e1c bi\u1ec7t v\u00e0 t\u00e1c \u0111\u1ed9ng ch\u00ednh<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Ki\u1ec3m to\u00e1n hi\u1ec7u qu\u1ea3 n\u0103ng l\u01b0\u1ee3ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 16247 (Ch\u1ec9 s\u1ed1 \u0111\u1ecbnh l\u01b0\u1ee3ng v\u1ec1 m\u1ee9c ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng c\u1ee5 th\u1ec3)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ISO 50001 (Khung h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd n\u0103ng l\u01b0\u1ee3ng)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n EN \u0111\u01b0a ra c\u00e1c gi\u1edbi h\u1ea1n c\u1ee5 th\u1ec3 v\u1ec1 m\u1ee9c ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng, c\u00f2n ti\u00eau chu\u1ea9n ISO cung c\u1ea5p c\u00e1c ph\u01b0\u01a1ng ph\u00e1p qu\u1ea3n l\u00fd, v\u00e0 hai ti\u00eau chu\u1ea9n n\u00e0y b\u1ed5 sung cho nhau.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Ki\u1ec3m so\u00e1t kh\u00ed th\u1ea3i<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 14394 (NOx\u22643,5g\/kWh)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">API 536 (NOx\u22645,0g\/kWh)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00e1c gi\u1edbi h\u1ea1n EN nghi\u00eam ng\u1eb7t h\u01a1n v\u00e0 y\u00eau c\u1ea7u l\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng x\u1eed l\u00fd h\u1eadu k\u1ef3 (chi ph\u00ed +20%).<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">R\u00f2 r\u1ec9 kh\u00ed \u0111\u1ed9c<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u200bEN 45544\u200b\u200b(H\u2082S\u22645ppm)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">OSHA 1910.119 (H\u2082S \u2264 10 ppm)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Gi\u1edbi h\u1ea1n theo ti\u00eau chu\u1ea9n EN b\u1eb1ng m\u1ed9t n\u1eeda gi\u1edbi h\u1ea1n theo ti\u00eau chu\u1ea9n OSHA, \u0111\u00f2i h\u1ecfi m\u1ee9c \u0111\u1ed9 l\u00e0m k\u00edn cao h\u01a1n (thi\u1ebft k\u1ebf l\u00e0m k\u00edn k\u00e9p).<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">B\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng b\u1ec3 ch\u1ee9a<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u200bEN 14015\u200b\u200b(VOC&lt;500ppm, COD&lt;50mg\/L)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">API 650 (kh\u00f4ng gi\u1edbi h\u1ea1n VOC, COD\u2264100mg\/L)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00e1c y\u00eau c\u1ea7u b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng theo ti\u00eau chu\u1ea9n EN nghi\u00eam ng\u1eb7t h\u01a1n, v\u00e0 van b\u1ed3n ch\u1ee9a c\u1ea7n c\u00f3 thi\u1ebft k\u1ebf \u0111\u1eb7c bi\u1ec7t (chi ph\u00ed +15%).<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p class=\"entry-title\"><strong>\u0110\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin v\u1ec1 ti\u00eau chu\u1ea9n EN, vui l\u00f2ng truy c\u1eadp trang web c\u1ee7a ch\u00fang t\u00f4i.<a href=\"\/en-valve\/\">\u300aPh\u00e2n t\u00edch to\u00e0n di\u1ec7n c\u00e1c ti\u00eau chu\u1ea9n van EN: H\u01b0\u1edbng d\u1eabn c\u1ed1t l\u00f5i v\u1ec1 c\u00e1c quy \u0111\u1ecbnh k\u1ef9 thu\u1eadt ch\u00e2u \u00c2u\u300b<\/a><\/strong><\/p>\n<p><span style=\"font-weight: 400;\">In an environment where global industrial standards are becoming increasingly stringent, JH Valve Manufacturing has always taken EN standards as its cornerstone, transforming rigorous compliance into core competitiveness &#8211; from EN 10204 certified materials to EN 14394 low-carbon emission designs, each valve carries the ultimate pursuit of safety and energy efficiency. We are well aware that standards are not only the bottom line, but also the starting point of innovation: by integrating the EN framework with the independently developed JH+ technology system, we have overcome the problem of ultra-low temperature sealing, achieved intelligent leakage warning, and redefined the industry&#8217;s sustainable benchmark with recycling and remanufacturing technology. In the future, JH will continue to use &#8220;standards as the boat and innovation as the paddle&#8221; to move forward in the global fluid control field and provide partners with better and more efficient solutions &#8211; because excellence never stops with standards.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-19448\" src=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/04\/822f6f573772360da7c11a538201fb9-scaled.jpg\" alt=\"Nh\u00e0 s\u1ea3n xu\u1ea5t van JH\" width=\"2560\" height=\"1920\" srcset=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/04\/822f6f573772360da7c11a538201fb9-scaled.jpg 2560w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/04\/822f6f573772360da7c11a538201fb9-768x576.jpg 768w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/04\/822f6f573772360da7c11a538201fb9-1536x1152.jpg 1536w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/04\/822f6f573772360da7c11a538201fb9-2048x1536.jpg 2048w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/><\/p>","protected":false},"excerpt":{"rendered":"<p>\u200b\u200bFoundation design and pressure boundary\u200b\u200b Ensure that the valve can withstand pressure, temperature and mechanical loads throughout its life cycle to avoid the risk of [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":19608,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[35],"tags":[],"class_list":["post-19418","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-valve-international-standards"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Panoramic Analysis of EN Valve Standards: Technical Systems You Must Know for EU Market Acces -<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/janhenvalve.com\/vi_vn\/tieu-chuan-van-en\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" 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