{"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":"normes-de-vannes-en","status":"publish","type":"post","link":"https:\/\/janhenvalve.com\/fr_fr\/en-valve-standards\/","title":{"rendered":"Analyse panoramique des normes EN relatives aux vannes\u00a0: Syst\u00e8mes techniques \u00e0 conna\u00eetre pour acc\u00e9der au march\u00e9 de l\u2019UE"},"content":{"rendered":"<h1><b>Conception des fondations et limites de pression<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-19571\" src=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/04\/ca5e344d405f4812c09e9284d5fe1dd.png\" alt=\"Conception des fondations de vannes, conception de pipelines\" 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;\">Assurez-vous que la vanne puisse r\u00e9sister \u00e0 la pression, \u00e0 la temp\u00e9rature et aux charges m\u00e9caniques tout au long de son cycle de vie afin d&#039;\u00e9viter tout risque de d\u00e9faillance.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">Norme n\u00b0.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Nom standard<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Domaine technologique de base<\/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;\">calcul de r\u00e9sistance du corps de soupape<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Formule de formule d&#039;\u00e9paisseur de paroi, m\u00e9thode de v\u00e9rification des contraintes (bas\u00e9e sur la directive 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;\">longueur de la structure de la vanne \u00e0 bride<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Tableau comparatif des dimensions des s\u00e9ries PN et Class, exigences de rugosit\u00e9 de la surface d&#039;\u00e9tanch\u00e9it\u00e9 de la bride (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;\">longueur de la structure de la valve \u00e0 plaquette<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Sp\u00e9cifications de conception \u00e0 profil mince pour les vannes papillon\/clapets anti-retour<\/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;\">Vannes \u00e0 extr\u00e9mit\u00e9s filet\u00e9es\/soud\u00e9es<\/span><\/td>\n<td><span style=\"font-weight: 400;\">r\u00e8gles de compatibilit\u00e9 des filetages NPT et ISO 7-1, type de rainure de soudage (type V\/type U) et traitement thermique apr\u00e8s soudage (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;\">Crit\u00e8res d&#039;acceptation des essais non destructifs (END)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Limites d&#039;acceptation des d\u00e9fauts (RT\/UT\/MT), processus d&#039;inspection et r\u00e8gles de jugement pour les pi\u00e8ces moul\u00e9es\/soud\u00e9es<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">Impact sur l&#039;industrie : La directive europ\u00e9enne PED (2014\/68\/UE) exige la conformit\u00e9 \u00e0 la s\u00e9rie 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=\"r\u00e9sistance du corps de vanne, masse du corps, \u00e9paisseur du corps\" 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>Domaines technologiques cl\u00e9s\u00a0:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Formule de calcul de l&#039;\u00e9paisseur de paroi\u00a0:<\/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;\">: Pression de conception (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;\">: Diam\u00e8tre int\u00e9rieur du corps de vanne (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;\">: Contrainte admissible du mat\u00e9riau (N\/mm\u00b2, voir 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;\">: Marge de corrosion (\u22651,5 mm, l&#039;\u00e9paisseur du milieu chimique doit \u00eatre port\u00e9e \u00e0 3 mm)<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Comparativement \u00e0 la norme ASME B16.34\u00a0: la norme EN impose des exigences plus strictes concernant le facteur de concentration de contraintes des corps de vannes soud\u00e9s (limit\u00e9 \u00e0 moins de 1,2 fois).<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">M\u00e9thode de v\u00e9rification\u00a0:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Analyse par \u00e9l\u00e9ments finis (FEA) : Les crit\u00e8res d&#039;effondrement plastique de la norme EN 13445-3 doivent \u00eatre respect\u00e9s.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Test de pression d&#039;\u00e9clatement : Pression d&#039;\u00e9clatement mesur\u00e9e \u2265 4 fois la pression de conception (applicable aux vannes haute pression de classe 900 et sup\u00e9rieure).<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b>Sc\u00e9narios d&#039;application\u00a0:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Industrie p\u00e9trochimique : Vanne d&#039;entr\u00e9e du r\u00e9acteur d&#039;hydrog\u00e9nation (pression de conception 420 bar, mat\u00e9riau acier P91, S=145 N\/mm\u00b2).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Stockage et transport du GNL : vanne d&#039;arr\u00eat cryog\u00e9nique (-196\u2103, mat\u00e9riau ASTM A351 CF8M, facteur de correction S \u00d7 0,7).<\/span><\/li>\n<\/ul>\n<p><b>FAQ :<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Q : Comment g\u00e9rer la diff\u00e9rence d&#039;\u00e9paisseur de paroi entre EN 12516-1 et ASME B16.34 ?<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">A: Les vannes ASME export\u00e9es vers l&#039;UE doivent recalculer l&#039;\u00e9paisseur de la paroi, g\u00e9n\u00e9ralement \u00e9paissie de 10%~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>Domaines technologiques cl\u00e9s\u00a0:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">D\u00e9finition de la s\u00e9rie dimensionnelle\u00a0:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Niveau de pression<\/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;\">longueur de la structure<\/span><\/td>\n<td><span style=\"font-weight: 400;\">108 mm<\/span><\/td>\n<td><span style=\"font-weight: 400;\">117 mm<\/span><\/td>\n<td><span style=\"font-weight: 400;\">152 mm<\/span><\/td>\n<td><span style=\"font-weight: 400;\">189 mm<\/span><\/td>\n<td><span style=\"font-weight: 400;\">216 mm<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">(Prenons l&#039;exemple d&#039;une vanne \u00e0 guillotine DN50\u00a0; l&#039;erreur autoris\u00e9e est de \u00b11,5\u00a0mm)<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">R\u00e8gles de compatibilit\u00e9\u00a0:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Norme am\u00e9ricaine vers norme europ\u00e9enne : la bride de classe 150 correspond \u00e0 PN20, mais l&#039;espacement des trous de boulons doit \u00eatre ajust\u00e9 conform\u00e9ment \u00e0 la norme EN 1092-1.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Appariement des surfaces d&#039;\u00e9tanch\u00e9it\u00e9 : L&#039;exigence de rugosit\u00e9 Ra 3,2 \u03bcm de la bride EN est incompatible avec la rugosit\u00e9 Ra 6,3 \u03bcm de l&#039;ASME B16.5 et doit \u00eatre retrait\u00e9e.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b>Pi\u00e8ges de conception\u00a0:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Exemple de correspondance incorrecte : Un fabricant a install\u00e9 de force un corps de vanne de classe 300 (longueur structurelle 241 mm) dans un tuyau PN40 (longueur structurelle 189 mm), ce qui a entra\u00een\u00e9 un mauvais alignement des boulons de bride.<\/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=\"Valve papillon \u00e0 plaquette\" 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\/\">Vanne papillon JH-Wafer<\/a><\/figcaption><\/figure>\n<p><b>Domaines technologiques cl\u00e9s\u00a0:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Sp\u00e9cifications de conception mince\u00a0:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Type de vanne<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Valve papillon \u00e0 plaquette<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Clapet anti-retour \u00e0 plaquette<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">longueur de structure DN200<\/span><\/td>\n<td><span style=\"font-weight: 400;\">108 mm<\/span><\/td>\n<td><span style=\"font-weight: 400;\">76 mm<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">(Compar\u00e9 \u00e0 une vanne papillon \u00e0 bride, il est plus court de plus de 40%)<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Calcul de la pr\u00e9charge des boulons\u00a0:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">formule:<\/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;\">: Limite d&#039;\u00e9lasticit\u00e9 des boulons (par exemple 640 N\/mm\u00b2 pour les boulons de classe 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;\">: Section transversale de contrainte du boulon<\/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;\">: facteur de s\u00e9curit\u00e9 (\u22651,5)<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b>Applications industrielles :<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Sc\u00e9narios o\u00f9 l&#039;espace est limit\u00e9\u00a0: canalisations de salles des machines de navires, usines chimiques modulaires.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Cas de d\u00e9faillance : En raison d&#039;une force de pr\u00e9-serrage insuffisante des boulons, une vanne papillon marine \u00e0 plaquette s&#039;est desserr\u00e9e dans un environnement vibrant, entra\u00eenant une fuite de fluide.<\/span><\/p>\n<h3><b>EN 12516-4 &#8220;Threaded\/welded end valves&#8221;\u200b\u200b<\/b><\/h3>\n<p><b>Domaines technologiques cl\u00e9s\u00a0:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Compatibilit\u00e9 des fils :<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Norme de filetage<\/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;\">M\u00e9thode de scellement<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Filetage conique + ruban d&#039;\u00e9tanch\u00e9it\u00e9<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Joint d&#039;\u00e9tanch\u00e9it\u00e9 m\u00e9tallique \u00e0 filetage conique<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Pression applicable<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u2264PN40<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u2264Classe 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;\">Conception de l&#039;extr\u00e9mit\u00e9 de soudage :<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Type de rainure : la rainure en V (EN ISO 9692-1) convient aux \u00e9paisseurs de paroi \u2264 20 mm, la rainure en U est utilis\u00e9e pour les vannes \u00e0 parois \u00e9paisses.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Contr\u00f4le des contraintes r\u00e9siduelles : Un traitement thermique apr\u00e8s soudage (TTAS) est n\u00e9cessaire pour soulager les contraintes (norme EN 12952).<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b>Questions typiques\u00a0:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Q : Les vannes \u00e0 filetage NPT peuvent-elles \u00eatre utilis\u00e9es directement sur des tuyaux EN ?<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">A: Un connecteur de conversion (filetage EN 10226 vers NPT) est n\u00e9cessaire, sinon une fuite peut se produire en raison de la diff\u00e9rence de pas de filetage.<\/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;\">Inspection de la pi\u00e8ce moul\u00e9e :<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Test radiographique (RT) : Selon la norme EN 12681-2, le diam\u00e8tre des pores est \u2264 2 mm et pas plus de 5 pour 100 cm\u00b2.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Contr\u00f4le par particules magn\u00e9tiques (MT) : Longueur de fissure \u2264 5 mm, les d\u00e9fauts lin\u00e9aires ne sont pas autoris\u00e9s.<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Inspection des soudures :<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Contr\u00f4le par ultrasons (UT) : Selon la norme EN ISO 11666, la hauteur de l&#039;\u00e9cho du d\u00e9faut est \u2264 20% courbe DAC.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Co\u00fbts de conformit\u00e9 : les essais CND repr\u00e9sentent de 8% \u00e0 12% des co\u00fbts de fabrication des vannes.<\/span><\/p>\n<h3><b>Comparaison technique : syst\u00e8me de normes EN vs. ASME\/API<\/b><\/h3>\n<table>\n<tbody>\n<tr>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Dimensions<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Normes EN<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Normes ASME<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Principales diff\u00e9rences et impacts<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">R\u00e9f\u00e9rences de conception<\/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;\">La norme EN est plus conservatrice\u00a0: la directive PED exige un coefficient de s\u00e9curit\u00e9 plus \u00e9lev\u00e9 et une analyse par \u00e9l\u00e9ments finis obligatoire.<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Pression nominale<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">S\u00e9rie PN (PN10~PN400)<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">S\u00e9rie de classes (150~2500)<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">\u00abConflit de conversion\u00bb : Classe 150 \u2248 PN20, mais les dimensions des brides sont incompatibles (EN 1092-1 vs. ASME B16.5).<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Sp\u00e9cifications de conception structurelle<\/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;\">La norme EN est plus stricte : le facteur de concentration de contraintes de l&#039;extr\u00e9mit\u00e9 de la soudure est limit\u00e9 \u00e0 \u22641,2 (la norme ASME autorise \u22641,5).<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Certification des mat\u00e9riaux<\/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;\">Exigences de test<\/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;\">Les co\u00fbts EN sont plus \u00e9lev\u00e9s : couverture CND \u2265 80%, ASME uniquement contr\u00f4les ponctuels.<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">M\u00e9thodes d&#039;essai<\/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;\">La norme EN pr\u00e9sente une pr\u00e9cision sup\u00e9rieure : la sensibilit\u00e9 de d\u00e9tection de l&#039;h\u00e9lium atteint 10\u207b\u2076 mbar\u00b7l\/s, tandis que la m\u00e9thode ASME n&#039;atteint que le niveau 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;\">La norme EN impose des limites plus strictes en mati\u00e8re de densit\u00e9 de d\u00e9fauts (ASME B16.34 autorise un diam\u00e8tre de pore unique \u2264 3 mm).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">La norme EN exige que le rapport d&#039;essai soit conforme au format du certificat EN 10204 3.1 (l&#039;ASME n&#039;a pas d&#039;exigences de format obligatoires).<\/span><\/li>\n<\/ul>\n<h1><b>Tests de performance et contr\u00f4le des fuites<\/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=\"Tests de performance et contr\u00f4le des fuites\" 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;\">V\u00e9rifier l\u2019\u00e9tanch\u00e9it\u00e9, la durabilit\u00e9 et la s\u00e9curit\u00e9 des vannes dans des conditions de travail extr\u00eames afin de garantir la conformit\u00e9 aux exigences de protection de l\u2019environnement telles que la directive PED (2014\/68\/UE) et la norme TA-Luft (norme de contr\u00f4le de la pollution atmosph\u00e9rique).<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Norme n\u00b0.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Nom standard<\/span><\/td>\n<td><span style=\"font-weight: 400;\">D\u00e9finition du niveau de test<\/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;\">essais de pression des vannes industrielles<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Niveau A (d\u00e9tection visuelle) au niveau T (d\u00e9tection par spectrom\u00e9trie de masse \u00e0 l&#039;h\u00e9lium)<\/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;\">Exigences suppl\u00e9mentaires relatives \u00e0 la proc\u00e9dure de test<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Y compris le test \u00e0 basse temp\u00e9rature (-196\u2103), m\u00e9thode de test du milieu particulaire<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 13646<\/span><\/td>\n<td><span style=\"font-weight: 400;\">test de performance de l&#039;\u00e9lectrovanne<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Temps de r\u00e9ponse \u2264 5 ms, v\u00e9rification de la dur\u00e9e de vie d&#039;un million de fois<\/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;\">Essais d&#039;actionneurs \u00e9lectriques<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Protection contre les surcharges (1,5 fois le couple), arr\u00eat d&#039;urgence en \u2264 3 s, indice de protection 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;\">Test de cycle de l&#039;actionneur<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Au moins 10 000 cycles d&#039;ouverture et de fermeture sans d\u00e9faillance<\/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;\">test de faible fuite de la vanne<\/span><\/td>\n<td><span style=\"font-weight: 400;\">grade AH (\u226410\u207b\u2076 mbar\u00b7l\/s), grade BH (\u226410\u207b\u2074), grade CH (\u226410\u207b\u00b2)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">TA-Luft<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Normes de contr\u00f4le de la pollution atmosph\u00e9rique<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Taux de fuite de COV \u2264 500 ppm (d\u00e9tection par imagerie infrarouge)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">Sp\u00e9cifications cl\u00e9s : Taux de fuite de niveau T EN 12266-1 \u2264 10\u207b\u2076 mbar\u00b7l\/s (\u00e9quivalent au niveau AH ISO 15848)<\/span><\/p>\n<h3><b>\u00a0EN 12266-1 &#8220;Industrial valve pressure test&#8221;<\/b><\/h3>\n<p><b>Domaines technologiques cl\u00e9s\u00a0:<\/b><\/p>\n<p><span style=\"font-weight: 400;\">1. Classification des tests et limite du taux de fuite :<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Grade<\/span><\/td>\n<td><span style=\"font-weight: 400;\">M\u00e9thodes de d\u00e9tection<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Taux de fuite admissible (test de pression d&#039;eau)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Sc\u00e9narios applicables<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">A<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Inspection visuelle<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Aucune fuite visible<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Vanne basse pression conventionnelle (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;\">m\u00e9thode d&#039;absorption des essuie-tout<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u22640,1\u00d7DN (ml\/min)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Vanne chimique moyenne pression (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;\">m\u00e9thode de collecte par tasse \u00e0 mesurer<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u22640,01\u00d7DN (ml\/min)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Soupape haute pression (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;\">D\u00e9tection par spectrom\u00e8tre de masse \u00e0 h\u00e9lium<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u226410\u207b\u2076 mbar\u00b7l\/s<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u00c9nergie nucl\u00e9aire, vannes \u00e0 ultra-haute pression du GNL<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">2. Test de pression et de dur\u00e9e de maintien :<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Test de r\u00e9sistance de la coque : 1,5\u00d7 pression de conception (temp\u00e9rature normale), maintien de la pression \u2265 2 minutes (v\u00e9rifier l&#039;absence de d\u00e9formation permanente ou de fissures).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Test d&#039;\u00e9tanch\u00e9it\u00e9 : 1,1\u00d7 pression de conception (y compris les conditions de haute\/basse temp\u00e9rature), maintenir la pression \u2265 1 minute (pour v\u00e9rifier l&#039;\u00e9tanch\u00e9it\u00e9 de la surface d&#039;\u00e9tanch\u00e9it\u00e9).<\/span><\/li>\n<\/ul>\n<p><b>Applications industrielles :<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Vannes de centrales nucl\u00e9aires : La vanne d&#039;isolement de vapeur principale doit r\u00e9ussir le test \u00e0 l&#039;h\u00e9lium de niveau D (taux de fuite \u2264 1\u00d710\u207b\u2077 mbar\u00b7l\/s).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Vanne cryog\u00e9nique GNL : Test d&#039;\u00e9tanch\u00e9it\u00e9 apr\u00e8s immersion dans de l&#039;azote liquide \u00e0 -196\u2103 (le retrait du mat\u00e9riau doit \u00eatre \u22640,2%).<\/span><\/li>\n<\/ul>\n<p><b>Id\u00e9es fausses courantes\u00a0:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Erreur : \u00c9quivalence entre le taux de fuite API 598 et la norme EN (l&#039;API autorise un taux de fuite plus \u00e9lev\u00e9).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Correction : EN 12266-1 Classe D \u2248 ISO 15848 Classe AH, mais EN exige une plage de temp\u00e9rature de test plus large (-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>Exigences particuli\u00e8res en mati\u00e8re de tests\u00a0:<\/b><\/p>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Test \u00e0 basse temp\u00e9rature :<\/span><\/li>\n<\/ol>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">M\u00e9thode d&#039;immersion dans l&#039;azote liquide : La vanne est congel\u00e9e \u00e0 -196\u2103 pendant 24 heures, puis ouverte et ferm\u00e9e pour v\u00e9rifier la fragilit\u00e9 du mat\u00e9riau et les performances d&#039;\u00e9tanch\u00e9it\u00e9.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Correction du taux de fuite \u00e0 basse temp\u00e9rature : La limite du taux de fuite doit \u00eatre multipli\u00e9e par le facteur de correction de temp\u00e9rature (par exemple \u00d7 1,2 \u00e0 -50 \u00b0C).<\/span><\/li>\n<\/ul>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Test \u00e0 haute temp\u00e9rature :<\/span><\/li>\n<\/ol>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Test de fluage \u00e0 haute temp\u00e9rature : La vanne est press\u00e9e en continu \u00e0 300 \u00b0C pendant 48 heures, et la quantit\u00e9 de fluage de la surface d&#039;\u00e9tanch\u00e9it\u00e9 est v\u00e9rifi\u00e9e (doit \u00eatre \u2264 0,05 mm).<\/span><\/li>\n<\/ul>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Test de dur\u00e9e de vie en cycle :<\/span><\/li>\n<\/ol>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Exigences relatives aux horaires d&#039;ouverture et de fermeture\u00a0:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Type de vanne<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Nombre minimal de cycles<\/span><\/td>\n<td><span style=\"font-weight: 400;\">valeur de relaxation admissible du taux de fuite<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">vanne d&#039;arr\u00eat<\/span><\/td>\n<td><span style=\"font-weight: 400;\">5000 fois<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u22641,5\u00d7limite d&#039;origine<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">vanne \u00e0 bille<\/span><\/td>\n<td><span style=\"font-weight: 400;\">10 000 fois<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u2264 2,0 \u00d7 limite d&#039;origine<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><b>EN 13646 \u00ab Essai d&#039;actionneur \u00e9lectrique \u00bb<\/b><\/h3>\n<p><b>\u00c9l\u00e9ments de test principaux et exigences techniques<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Temps de r\u00e9ponse\u00a0:<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">La vitesse d&#039;ouverture et de fermeture de l&#039;\u00e9lectrovanne influe directement sur la pr\u00e9cision de la r\u00e9gulation du syst\u00e8me. Exigences standard\u00a0:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Temps d&#039;ouverture \u2264 5 ms (de la mise sous tension \u00e0 l&#039;ouverture compl\u00e8te du noyau de la vanne)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Temps de fermeture \u2264 8 ms (de la mise hors tension \u00e0 la fermeture compl\u00e8te du noyau de la vanne)<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><i><span style=\"font-weight: 400;\">M\u00e9thode d&#039;essai<\/span><\/i> <span style=\"font-weight: 400;\">Utilisez un oscilloscope \u00e0 grande vitesse pour capturer le signal de courant et la courbe de d\u00e9placement du noyau de la valve, et \u00e9liminez les interf\u00e9rences dues au d\u00e9lai du signal (telles que la r\u00e9sistance du c\u00e2ble).<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Dur\u00e9e de vie en cycles vs. taux de fuite\u00a0:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Conditions d&#039;essai<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Exigences relatives aux param\u00e8tres<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">moyenne pression<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u22651,5\u00d7pression nominale (condition de surcharge simul\u00e9e)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Fr\u00e9quence du cycle<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u226510 Hz (test de fatigue \u00e0 haute fr\u00e9quence d&#039;ouverture et de fermeture)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Taux de fuite apr\u00e8s 1 million de fois<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u22640,1\u00d7DN (surveillance en temps r\u00e9el dans des conditions dynamiques)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><b>adaptabilit\u00e9 aux environnements extr\u00eames<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Test de choc thermique\u00a0:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Alterner rapidement entre -40\u2103 (cong\u00e9lation pendant 2 heures) et +150\u2103 (cuisson pendant 2 heures) pendant 10 cycles.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">\u00c9cart de performance admissible : changement de temps de r\u00e9ponse \u2264 10%, r\u00e9sistance d&#039;isolation de la bobine \u2265 100M\u03a9.<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Test de vibration :<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Type de vibration<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Gamme de fr\u00e9quences<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Acc\u00e9l\u00e9ration<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Dur\u00e9e<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Vibration al\u00e9atoire<\/span><\/td>\n<td><span style=\"font-weight: 400;\">20 Hz ~ 2000 Hz<\/span><\/td>\n<td><span style=\"font-weight: 400;\">10 g RMS<\/span><\/td>\n<td><span style=\"font-weight: 400;\">2 heures par axe<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><b>EN 15714-3 &#8220;Electric Actuator Test&#8221;<\/b><\/h3>\n<p><b>\u00c9l\u00e9ments cl\u00e9s du test\u00a0:<\/b><\/p>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Test de protection contre les surcharges\u00a0: L\u2019actionneur ne doit pas \u00eatre endommag\u00e9 lorsqu\u2019il fonctionne \u00e0 1,5 fois le couple nominal pendant 10 minutes.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Dur\u00e9e d&#039;arr\u00eat d&#039;urgence : Le temps entre le d\u00e9clenchement du signal et la position compl\u00e8tement ferm\u00e9e est \u2264 3 secondes (les vannes de puissance nucl\u00e9aire n\u00e9cessitent \u2264 1 seconde).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">V\u00e9rification d&#039;\u00e9tanch\u00e9it\u00e9 : Le niveau de protection du bo\u00eetier de l&#039;actionneur est \u2265IP67 (aucune fuite apr\u00e8s immersion dans l&#039;eau \u00e0 1 m\u00e8tre pendant 30 minutes).<\/span><\/li>\n<\/ol>\n<h3><b>EN 15714-4 &#8221; <\/b><b>Test cyclique de l&#039;actionneur<\/b><b> &#8220;<\/b><\/h3>\n<p><b>Processus de test et crit\u00e8res d&#039;acceptation<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Calibrage avant test\u00a0:<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">Actionnez l&#039;actionneur \u00e0 vide 10 fois et enregistrez les param\u00e8tres de r\u00e9f\u00e9rence (tels que le temps d&#039;ouverture et de fermeture, la courbe de couple) pour vous assurer que l&#039;\u00e9tat initial de l&#039;actionneur est coh\u00e9rent.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Test du cycle de charge\u00a0:<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Type de charge<\/span><\/td>\n<td><span style=\"font-weight: 400;\">exigences de test<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Indicateurs d&#039;acceptation<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Simulation de la charge r\u00e9elle<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Changement dynamique du couple nominal 25%~100%<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Apr\u00e8s 10 000 cycles, le taux de fuite est \u2264 2 fois la valeur initiale<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Charge limite<\/span><\/td>\n<td><span style=\"font-weight: 400;\">1,5 fois le couple nominal en fonctionnement continu 50 fois<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Profondeur d&#039;usure des engrenages \u2264 0,1 mm, aucune d\u00e9formation plastique<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">Application industrielle\u00a0: Lors d&#039;un test, le taux de fuite de l&#039;actionneur d&#039;une vanne de r\u00e9gulation dans une usine chimique a d\u00e9pass\u00e9 la norme en raison du vieillissement du joint d&#039;\u00e9tanch\u00e9it\u00e9. Solution\u00a0: Utiliser un joint d&#039;\u00e9tanch\u00e9it\u00e9 en fluoro\u00e9lastom\u00e8re (r\u00e9sistance \u00e0 la corrosion multipli\u00e9e par 3).<\/span><\/p>\n<p><b>Essais environnementaux et analyse des d\u00e9faillances<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Test de cycle \u00e0 haute et basse temp\u00e9rature\u00a0:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Condition<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Param\u00e8tre<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u00c9cart de performance admissible<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">temp\u00e9rature \u00e9lev\u00e9e<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Effectuer 500 cycles \u00e0 +85\u2103<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Taux de fuite \u2264 3 fois la valeur initiale<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">basse temp\u00e9rature<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Effectuer 500 r\u00e9p\u00e9titions \u00e0 -40\u2103<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Le joint ne pr\u00e9sente aucune fissure et la fluctuation de la force d&#039;ouverture et de fermeture est \u2264 201 TP3T<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">Probl\u00e8me courant\u00a0: La graisse se solidifie \u00e0 basse temp\u00e9rature, ce qui provoque le blocage des engrenages. Solution\u00a0: Utiliser une graisse synth\u00e9tique basse temp\u00e9rature (applicable de -60\u00a0\u00b0C \u00e0 +150\u00a0\u00b0C).<\/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=\"test de faible fuite de la vanne\" 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>Division par niveau :<\/b><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Grade<\/span><\/td>\n<td><span style=\"font-weight: 400;\">D\u00e9bit de fuite admissible (ml\/min)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">M\u00e9dias applicables<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Classe AH<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u226410\u207b\u2076<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Hydrog\u00e8ne, m\u00e9thane<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Classe BH<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u226410\u207b\u2074<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Vapeur, azote<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Niveau CH<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u226410\u207b\u00b2<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Eau, liquides non dangereux<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><b>Compar\u00e9 aux normes EN\u00a0:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Diff\u00e9rences dans les conditions d&#039;essai : la norme ISO 15848 exige la simulation de conditions dynamiques (essais pendant l&#039;ouverture et la fermeture de la vanne), tandis que la norme EN 12266-1 ne pr\u00e9voit qu&#039;un essai statique.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Priorit\u00e9 de certification : Les vannes \u00e0 hydrog\u00e8ne export\u00e9es vers l&#039;Europe doivent r\u00e9pondre \u00e0 la fois aux normes EN 12266-1 (classe D) et ISO 15848 (classe AH).<\/span><\/li>\n<\/ul>\n<h3><b>TA-Luft (Norme de contr\u00f4le de la pollution atmosph\u00e9rique)<\/b><\/h3>\n<p><b>(Relation de coop\u00e9ration et de parall\u00e9lisme obligatoire)<\/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=\"pollution atmosph\u00e9rique provenant des usines chimiques\" 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>Exigences relatives aux limites de fuite :<\/b><\/li>\n<\/ul>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Vannes COV (Compos\u00e9s Organiques Volatils) : Taux de fuite \u2264 500 ppm (10 fois plus strict que la norme EN 12266-1).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">M\u00e9thode de d\u00e9tection :<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">M\u00e9thode d&#039;imagerie infrarouge : d\u00e9tection de fuites de gaz \u00e0 l&#039;\u00e9tat de traces (sensibilit\u00e9 jusqu&#039;\u00e0 1 ppm).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">M\u00e9thode des bulles de savon : Pour un d\u00e9pistage pr\u00e9liminaire uniquement (ne convient pas \u00e0 l&#039;analyse quantitative).<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b>Points de conception relatifs \u00e0 la conformit\u00e9\u00a0:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Structure \u00e0 double \u00e9tanch\u00e9it\u00e9 : par exemple, soufflet + garniture en graphite (taux de fuite \u2264 50 ppm).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Choix des mat\u00e9riaux : La surface d&#039;\u00e9tanch\u00e9it\u00e9 doit \u00eatre en carbure de tungst\u00e8ne ou en c\u00e9ramique (pour \u00e9viter la d\u00e9composition \u00e0 haute temp\u00e9rature des mat\u00e9riaux polym\u00e8res).<\/span><\/li>\n<\/ul>\n<h3><b>Comparaison technique\u00a0: conception de base selon les normes EN et ASME\/API<\/b><\/h3>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Dimensions<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Syst\u00e8me de normes EN<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Normes ASME\/API<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Principales diff\u00e9rences et impact des nouvelles normes<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Classification des taux de fuite<\/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 (Niveau I \u00e0 IV)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Nouvelle norme TA-Luft : 10 fois plus stricte que la norme EN 12266-1, exige des tests d&#039;imagerie infrarouge.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">ISO 15848 : Classification du taux de fuite dynamique (Classe AH \u2248 EN Classe D).<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Test \u00e0 basse temp\u00e9rature<\/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;\">Seul un test \u00e0 basse temp\u00e9rature de -46\u2103 est requis (ASME B16.34).<\/span><\/td>\n<td><span style=\"font-weight: 400;\">La norme EN est plus stricte\u00a0: les vannes GNL doivent r\u00e9ussir le test \u00e0 l\u2019azote liquide EN 12266-2, tandis que la norme ASME n\u2019a pas d\u2019exigences similaires.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Essais d&#039;actionneurs<\/span><\/td>\n<td><span style=\"font-weight: 400;\">- EN 15714-3 (Essai fonctionnel des actionneurs \u00e9lectriques)<\/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 (fonctionnement manuel uniquement)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">La norme EN est plus compl\u00e8te : elle couvre la protection contre les surcharges et la dur\u00e9e de vie des actionneurs \u00e9lectriques\/pneumatiques (la norme ASME ne dispose pas de norme correspondante).<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">\u00c9quipement de test<\/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;\">M\u00e9thode des bulles de savon ou m\u00e9thode du verre doseur (API 598)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">L&#039;EN co\u00fbte plus cher : l&#039;investissement dans l&#039;\u00e9quipement d&#039;inspection \u00e0 l&#039;h\u00e9lium + imageur infrarouge repr\u00e9sente 40%~60% du co\u00fbt.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Exigences de test dynamiques<\/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;\">L&#039;API 6D exige des tests de cycle dynamique<\/span><\/td>\n<td><span style=\"font-weight: 400;\">La norme EN s&#039;appuie sur la norme ISO : les normes EN ne comportent pas de tests dynamiques et doivent \u00eatre compl\u00e9t\u00e9es par la norme ISO 15848-1.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">EN 13646 : Exigences sp\u00e9cifiques pour la r\u00e9ponse dynamique des \u00e9lectrovannes.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h1><b>\u00a0Sp\u00e9cifications des mat\u00e9riaux et des proc\u00e9d\u00e9s<\/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=\"Mat\u00e9riaux des vannes et techniques d&#039;installation\" 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;\">Garantir la r\u00e9sistance des mat\u00e9riaux de la vanne, sa r\u00e9sistance \u00e0 la corrosion et sa conformit\u00e9 aux processus afin de r\u00e9pondre aux exigences de s\u00e9curit\u00e9 tout au long de son cycle de vie.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Norme n\u00b0.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Nom standard<\/span><\/td>\n<td><span style=\"font-weight: 400;\">exigences techniques relatives aux mat\u00e9riaux<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 10213<\/span><\/td>\n<td><span style=\"font-weight: 400;\">pi\u00e8ces moul\u00e9es en acier sous pression<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Couvrant les mat\u00e9riaux utilis\u00e9s dans l&#039;\u00e9nergie nucl\u00e9aire tels que le GP240GH, le G20Mo5, etc.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 10222<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Conditions techniques pour les pi\u00e8ces forg\u00e9es en acier<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Proc\u00e9d\u00e9 de traitement thermique pour les mat\u00e9riaux \u00e0 haute r\u00e9sistance tels que le P265GH et le 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;\">sp\u00e9cifications de s\u00e9lection de l&#039;acier inoxydable<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Guide des sc\u00e9narios de r\u00e9sistance \u00e0 la corrosion pour les aciers 1.4404 (316L) et 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;\">syst\u00e8me de certification des mat\u00e9riaux<\/span><\/td>\n<td><span style=\"font-weight: 400;\">3.1\/3.2 Validit\u00e9 juridique des certificats dans le cadre de la certification PED<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">Exigences particuli\u00e8res : EN 10213-4 \u00c9nergie de choc Charpy pour les mat\u00e9riaux \u00e0 basse temp\u00e9rature (-196 \u00b0C) \u2265 40 J<\/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=\"Valve moul\u00e9e\" 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>Domaines technologiques cl\u00e9s\u00a0:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Qualit\u00e9 du mat\u00e9riau :<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Marque<\/span><\/td>\n<td><span style=\"font-weight: 400;\">R\u00e9sistance \u00e0 la traction (MPa)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Sc\u00e9narios applicables<\/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;\">Soupape basse pression (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;\">Vanne moyenne pression (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;\">Vannes haute temp\u00e9rature et haute pression (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;\">Exigences du processus de moulage\u00a0:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">\u00c9paisseur minimale de paroi \u22658 mm (pour \u00e9viter les d\u00e9fauts de retrait).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Limite de soudage de r\u00e9paration : La m\u00eame zone peut \u00eatre r\u00e9par\u00e9e \u2264 2 fois, et les tests UT doivent \u00eatre effectu\u00e9s conform\u00e9ment \u00e0 la norme EN 1291.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b>Applications industrielles :<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Vannes pour syst\u00e8mes d&#039;eau : le GP240GH est utilis\u00e9 pour les corps de vannes papillon dans les usines de traitement d&#039;eau.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Vanne principale de vapeur de centrale thermique : le G17CrMo5-5 a une r\u00e9sistance \u00e0 la temp\u00e9rature jusqu&#039;\u00e0 540\u2103 et une excellente r\u00e9sistance au fluage.<\/span><\/li>\n<\/ul>\n<p><b>FAQ :<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Gestion des d\u00e9fauts : Les pi\u00e8ces moul\u00e9es dont le diam\u00e8tre des pores est sup\u00e9rieur \u00e0 2 mm doivent \u00eatre mises au rebut ; le meulage et le remplissage ne sont pas autoris\u00e9s.<\/span><\/li>\n<\/ul>\n<h3><b>EN 10222 &#8220;Pressure Forgings &#8220;<\/b><\/h3>\n<p><b>Domaines technologiques cl\u00e9s\u00a0:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Qualit\u00e9 de forgeage :<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Grade<\/span><\/td>\n<td><span style=\"font-weight: 400;\">exigences de test<\/span><\/td>\n<td><span style=\"font-weight: 400;\">niveau de pression applicable<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Classe 1<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Pas de CND<\/span><\/td>\n<td><span style=\"font-weight: 400;\">PN10~PN25<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Classe 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;\">Classe 4<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Test d&#039;impact suppl\u00e9mentaire<\/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;\">Sp\u00e9cifications du traitement thermique\u00a0:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Normalisation + revenu (applicable \u00e0 l&#039;acier C-Mn, duret\u00e9 \u2264 250 HB).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Trempe + revenu (applicable \u00e0 l&#039;acier alli\u00e9, duret\u00e9 \u2264300HB).<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b>Sc\u00e9narios d&#039;application\u00a0:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Soupapes \u00e0 ultra-haute pression : des pi\u00e8ces forg\u00e9es de classe 4 sont utilis\u00e9es pour les corps de soupapes des r\u00e9acteurs d&#039;hydrog\u00e9nation PN400.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Exigences relatives aux chocs \u00e0 basse temp\u00e9rature : \u00c9nergie d&#039;impact \u2265 40J \u00e0 -46\u2103 (exigence obligatoire pour les vannes GNL).<\/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=\"Mat\u00e9riau de la vanne : plaque en acier inoxydable\" 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>Domaines technologiques cl\u00e9s\u00a0:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Classification de la r\u00e9sistance \u00e0 la corrosion\u00a0:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Marque<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Valeur PREN (\u00e9quivalent de r\u00e9sistance \u00e0 la piq\u00fbre)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">M\u00e9dias applicables<\/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;\">Acide faible, eau de mer (Cl\u207b\u2264200 ppm)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">1,4539 (904 L)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u226545<\/span><\/td>\n<td><span style=\"font-weight: 400;\">milieu acide fort contenant des ions 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;\">Traitement de surface :<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Polissage \u00e9lectrolytique (Ra\u22640,8\u03bcm, pour les vannes de qualit\u00e9 alimentaire).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">D\u00e9capage et passivation (\u00e9limination de la couche d&#039;oxyde et am\u00e9lioration de la r\u00e9sistance \u00e0 la corrosion).<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b>Cas de d\u00e9faillance :<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">La vanne \u00e0 bille 316L d&#039;une usine chimique souffrait de fissuration par corrosion sous contrainte Cl\u207b, qui a \u00e9t\u00e9 r\u00e9solue apr\u00e8s son remplacement par de l&#039;acier 1.4529 (acier super duplex).<\/span><\/li>\n<\/ul>\n<h3><b>EN 10204 \u00ab\u00a0Types de certification des mat\u00e9riaux\u00a0\u00bb<\/b><\/h3>\n<p><b>Exigences fondamentales :<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Niveau de certification :<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Type de certificat<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Test de groupe<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Sc\u00e9narios applicables<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">3.1<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Auto-inspection des aci\u00e9ries<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Vannes industrielles conventionnelles<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">3.2<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Laboratoire tiers<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u00c9nergie nucl\u00e9aire, vannes PED de cat\u00e9gorie 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;\">Contenu du fichier\u00a0:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Composition chimique, propri\u00e9t\u00e9s m\u00e9caniques, rapport CND (uniquement requis pour le certificat 3.2).<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Co\u00fbt de conformit\u00e9 : Le prix des mat\u00e9riaux de certification 3.2 est de 15%~30% sup\u00e9rieur \u00e0 celui de 3.1.<\/span><\/p>\n<h3><b>Comparaison technique : syst\u00e8mes de mat\u00e9riaux EN vs. ASME<\/b><\/h3>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Dimensions<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Syst\u00e8me de normes EN<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Normes ASME<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Impact diff\u00e9rentiel<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Certification des mat\u00e9riaux<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 10204 3.1\/3.2 (Tiers obligatoire)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ASME II (Auto-inspection des installations sid\u00e9rurgiques)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Les mat\u00e9riaux EN sont plus chers, mais la fiabilit\u00e9 des donn\u00e9es est \u00e9lev\u00e9e (un imp\u00e9ratif pour l&#039;\u00e9nergie nucl\u00e9aire).<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">R\u00e9sistance \u00e0 la corrosion de l&#039;acier inoxydable<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Les valeurs PREN sont clairement class\u00e9es (EN 10088)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Les num\u00e9ros UNS (tels que S31600) n&#039;ont pas de d\u00e9finition de valeur PREN<\/span><\/td>\n<td><span style=\"font-weight: 400;\">La norme EN facilite la s\u00e9lection des mat\u00e9riaux et correspond directement \u00e0 la corrosivit\u00e9 du milieu.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Inspection de forgeage<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 10222 Classe 3\/4 (100% UT\/RT)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ASME SA-105 (essai de duret\u00e9 uniquement)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Les pi\u00e8ces forg\u00e9es EN ont un taux de d\u00e9fauts plus faible, mais le cycle de production est prolong\u00e9 de 20%~30%.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Restrictions relatives aux r\u00e9parations par soudage<\/span><\/td>\n<td><span style=\"font-weight: 400;\">R\u00e9paration par soudage EN 10213 \u2264 2 fois, et v\u00e9rification par ultrasons requise<\/span><\/td>\n<td><span style=\"font-weight: 400;\">La norme ASME B16.34 autorise la r\u00e9paration par rectification (nombre illimit\u00e9 de fois).<\/span><\/td>\n<td><span style=\"font-weight: 400;\">La norme EN est plus stricte, mais elle r\u00e9duit le risque de concentration des contraintes d\u00fb aux r\u00e9parations par soudure.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h1><b>Normalisation des connexions et des interfaces<\/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=\"Interface et raccordement du tuyau de vanne\" 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;\">Garantir la compatibilit\u00e9 et l&#039;interchangeabilit\u00e9 entre les vannes, les canalisations et les actionneurs, et r\u00e9duire les co\u00fbts d&#039;adaptation technique<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Norme n\u00b0.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Nom standard<\/span><\/td>\n<td><span style=\"font-weight: 400;\">d\u00e9finition de la technologie d&#039;interface<\/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;\">Bride en acier (s\u00e9rie PN)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Dimensions des brides PN6 \u00e0 PN400 et exigences de traitement des surfaces d&#039;\u00e9tanch\u00e9it\u00e9<\/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;\">Bride en acier (s\u00e9rie Class)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">R\u00e8gles de conversion des brides standard am\u00e9ricaines de classe 150 \u00e0 2500 vers les brides standard europ\u00e9ennes<\/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;\">Interface de l&#039;actionneur<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Classification de la capacit\u00e9 de transmission du couple des brides F03 \u00e0 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;\">structure d&#039;extr\u00e9mit\u00e9 de la vanne<\/span><\/td>\n<td><span style=\"font-weight: 400;\">normes de chanfreinage et de traitement de surface des extr\u00e9mit\u00e9s \u00e0 bride\/filetage\/collier<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">Compatibilit\u00e9 : Les brides EN 1092-1 peuvent \u00eatre utilis\u00e9es avec les brides ASME B16.5 Classe 150.<\/span><\/p>\n<h3><b>\u00a0EN 1092-1 Brides et leurs joints<\/b><\/h3>\n<p><b>Domaines technologiques cl\u00e9s\u00a0:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Type de bride et surface d&#039;\u00e9tanch\u00e9it\u00e9\u00a0:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Type \u00e0 bride<\/span><\/td>\n<td><span style=\"font-weight: 400;\">type de surface d&#039;\u00e9tanch\u00e9it\u00e9<\/span><\/td>\n<td><span style=\"font-weight: 400;\">niveau de pression applicable<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Sc\u00e9narios d&#039;application typiques<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Bride de plaque (PL)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Visage sur\u00e9lev\u00e9 (RF)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">PN10~PN40<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Traitement de l&#039;eau, canalisations de CVC<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Bride \u00e0 souder bout \u00e0 bout (WN)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Joint annulaire (RJ)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">PN63~PN400<\/span><\/td>\n<td><span style=\"font-weight: 400;\">P\u00e9trochimie, gazoducs haute pression de GNL<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Bride libre (LJ)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Face plate (FF)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">PN6~PN16<\/span><\/td>\n<td><span style=\"font-weight: 400;\">milieux corrosifs (pipeline de d\u00e9capage)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Comparaison des niveaux de pression\u00a0:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Bride EN (PN)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Similaire \u00e0 la classe ASME<\/span><\/td>\n<td><span style=\"font-weight: 400;\">erreur de distance entre les centres des trous de boulons<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">PN16<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Classe 150<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u00b11,0 mm<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">PN40<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Classe 300<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u00b11,5 mm<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">PN100<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Classe 600<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u00b12,0 mm<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Groupe de mat\u00e9riaux :<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Groupe 1 : Acier au carbone (C22,8)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Groupe 2 : Acier inoxydable (1.4401)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Groupe 3 : Alliages \u00e0 base de nickel (Inconel 625)<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b>FAQ :<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Incompatibilit\u00e9 : Forcer une bride de classe 150 (ASME B16.5) sur un tuyau PN16 (EN 1092-1) entra\u00eene un mauvais alignement des trous de boulons.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Solution : Utiliser une bride de conversion (con\u00e7ue conform\u00e9ment aux normes EN 1759-1 et 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>Positionnement sp\u00e9cial :<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Propri\u00e9t\u00e9s standard : Compatible avec les brides am\u00e9ricaines (classe 150~2500) selon les normes EN, mais avec des tol\u00e9rances dimensionnelles plus strictes.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Principales diff\u00e9rences :<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Param\u00e8tre<\/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;\">\u00e9paisseur de la bride<\/span><\/td>\n<td><span style=\"font-weight: 400;\">+0,5 mm ~ -0,3 mm<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u00b11,0 mm<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">diam\u00e8tre du trou de boulon<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Taille de boulon parfaitement correspondante<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Pr\u00e9voir une marge de +0,5 mm<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><b>Sc\u00e9narios d&#039;application\u00a0:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Projets transnationaux : Lorsque des \u00e9quipements europ\u00e9ens (EN 1092-1) sont raccord\u00e9s \u00e0 des tuyaux am\u00e9ricains (ASME B16.5), une transition de bride EN 1759-1 est utilis\u00e9e.<\/span><\/li>\n<\/ul>\n<h3><b>EN ISO 5211 &#8220;Valve drive installation interface&#8221;\u200b\u200b<\/b><\/h3>\n<p><b>Sp\u00e9cifications principales\u00a0:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Taille de l&#039;interface du disque :<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Code d&#039;interface<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Dimensions de la t\u00eate d&#039;entra\u00eenement carr\u00e9e (mm)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Couple maximal (Nm)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Type d&#039;actionneur applicable<\/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;\">Petits actionneurs pneumatiques<\/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;\">Actionneur \u00e9lectrique (vanne 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;\">Actionneur hydraulique (DN600 et plus)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Tol\u00e9rance de montage\u00a0:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">L&#039;erreur de coaxialit\u00e9 de l&#039;arbre de transmission est \u22640,1 mm\/m.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Erreur de parall\u00e9lisme de la surface de la bride \u2264 0,05 mm.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b>Cas de d\u00e9faillance :<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Couple insuffisant : La vanne \u00e0 bille DN300 (n\u00e9cessite 2000 Nm) est \u00e9quip\u00e9e d&#039;une interface F10 (maximum 1000 Nm), ce qui entra\u00eene une surcharge et des dommages \u00e0 l&#039;actionneur.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Plan d&#039;am\u00e9lioration : Mise \u00e0 niveau vers l&#039;interface F14 (capacit\u00e9 de couple 3000 Nm).<\/span><\/li>\n<\/ul>\n<h3><b>\u00a0EN 558 &#8220;Valve end face and structural length &#8220;<\/b><\/h3>\n<p><b>Sp\u00e9cifications principales\u00a0:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">S\u00e9rie de longueurs structurelles :<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">S\u00e9rie<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Type de vanne applicable<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Applications typiques<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">S\u00e9rie 1<\/span><\/td>\n<td><span style=\"font-weight: 400;\">vannes industrielles g\u00e9n\u00e9rales<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Industrie chimique, traitement de l&#039;eau<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">S\u00e9rie 4<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Valve courte<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Sc\u00e9narios o\u00f9 l&#039;espace est limit\u00e9 (salle des machines du navire)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">S\u00e9rie 14<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Valve longue<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Haute temp\u00e9rature et haute pression (vanne principale de vapeur de la centrale thermique)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Exigences relatives au traitement de surface final\u00a0:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Valeur Ra \u200b\u200b: Surface d&#039;\u00e9tanch\u00e9it\u00e9 Ra\u22643,2 \u03bcm, surface non \u00e9tanche Ra\u226412,5 \u03bcm.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Angle de chanfrein : 30\u00b0\u00b12\u00b0 (pour \u00e9viter les rayures sur la surface d&#039;\u00e9tanch\u00e9it\u00e9 lors de l&#039;installation).<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b>Applications industrielles :<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Vannes cryog\u00e9niques GNL : La s\u00e9rie 4 raccourcit la longueur de la structure et r\u00e9duit la perte de capacit\u00e9 de refroidissement.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Valve d&#039;hydrog\u00e9nation : La s\u00e9rie 14 poss\u00e8de une structure plus longue et r\u00e9duit la concentration des contraintes thermiques.<\/span><\/li>\n<\/ul>\n<h3><b>Comparaison technologique : normes de connexion EN vs. ASME\/ISO<\/b><\/h3>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Dimensions<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Syst\u00e8me de normes EN<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Normes ASME\/ISO<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Principales diff\u00e9rences et impacts<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Type \u00e0 bride<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 1092-1 (s\u00e9rie PN) + EN 1759-1 (s\u00e9rie Classe)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ASME B16.5\/B16.47 (Classe)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">La tol\u00e9rance d&#039;\u00e9paisseur de la bride EN est plus serr\u00e9e (\u00b10,3 mm contre \u00b11,0 mm), mais le co\u00fbt d&#039;approvisionnement est 15%~20% plus \u00e9lev\u00e9.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Rugosit\u00e9 de la surface d&#039;\u00e9tanch\u00e9it\u00e9<\/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;\">L&#039;EN offre de meilleures performances d&#039;\u00e9tanch\u00e9it\u00e9, mais n\u00e9cessite un \u00e9quipement de traitement sp\u00e9cial (tel qu&#039;un tour \u00e0 miroir).<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Interface du conducteur<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN ISO 5211 (interface s\u00e9rie F)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ISO 5211 (\u00e9quivalent)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Enti\u00e8rement compatible, aucune diff\u00e9rence.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Longueur de la structure<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 558 (S\u00e9rie 1\/4\/14)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ASME B16.10 (Type standard\/court)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">La s\u00e9rie EN 4 est plus courte (5%~10%) que les vannes courtes ASME et est plus adapt\u00e9e aux espaces compacts.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h1><b>Certification de s\u00e9curit\u00e9 et de r\u00e9sistance aux explosions<\/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=\"soupape de s\u00e9curit\u00e9 r\u00e9sistante au feu et aux explosions\" 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;\">Assurer le fonctionnement s\u00fbr des vannes dans des environnements dangereux tels que les environnements inflammables, explosifs et \u00e0 haute pression, conform\u00e9ment aux directives de l&#039;UE (telles que ATEX 2014\/34\/UE) et aux exigences de s\u00e9curit\u00e9 m\u00e9canique.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Norme n\u00b0.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Nom standard<\/span><\/td>\n<td><span style=\"font-weight: 400;\">exigences techniques de s\u00e9curit\u00e9<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 1349<\/span><\/td>\n<td><span style=\"font-weight: 400;\">S\u00e9curit\u00e9 des vannes de r\u00e9gulation des proc\u00e9d\u00e9s industriels<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Processus de certification de s\u00e9curit\u00e9 fonctionnelle 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;\">Certification antid\u00e9flagrante des vannes (ATEX)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Contr\u00f4le des jeux structurels pour les environnements explosifs de zone 1\/21 (\u22640,2 mm)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 15001<\/span><\/td>\n<td><span style=\"font-weight: 400;\">r\u00e9glementation sur la s\u00e9curit\u00e9 des vannes \u00e0 gaz<\/span><\/td>\n<td><span style=\"font-weight: 400;\">D\u00e9bit de fuite de gaz \u2264 0,25 ml\/min (m\u00e9thode de d\u00e9tection du m\u00e9thane)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 14382<\/span><\/td>\n<td><span style=\"font-weight: 400;\">soupape de s\u00e9curit\u00e9<\/span><\/td>\n<td><span style=\"font-weight: 400;\">M\u00e9thode d&#039;essai dynamique pour un temps de r\u00e9ponse \u00e0 la surpression \u2264 50 ms<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">Organisme de certification : Directive ATEX 2014\/34\/UE, r\u00e9f\u00e9rence obligatoire \u00e0 la norme EN 1703<\/span><\/p>\n<h3><b>EN 1349 &#8220;Safety Requirements for Industrial Process Control Valves&#8221;<\/b><\/h3>\n<p><b>Domaines technologiques cl\u00e9s\u00a0:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">V\u00e9rification des fonctions de s\u00e9curit\u00e9 :<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Fonction<\/span><\/td>\n<td><span style=\"font-weight: 400;\">M\u00e9thode d&#039;essai<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Crit\u00e8res d&#039;admissibilit\u00e9<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Protection contre les limites de voyage<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Surcourse 10% R\u00e9p\u00e9ter 50 fois<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Aucun dommage m\u00e9canique, d\u00e9viation du signal \u2264\u00b11%<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Taux de fuite (mode de d\u00e9faillance)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Test apr\u00e8s fermeture forc\u00e9e (1,1\u00d7 pression nominale)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u22640,1\u00d7DN (ml\/min)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Test de vibration :<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Grade<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Gamme de fr\u00e9quences (Hz)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Acc\u00e9l\u00e9ration (m\/s\u00b2)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Dur\u00e9e (heures)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Classe 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;\">Classe 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;\">Sc\u00e9narios d&#039;application\u00a0: vanne de r\u00e9gulation chimique, vanne de r\u00e9gulation de pression de gaz naturel.<\/span><\/p>\n<h3><b>EN 1703 &#8220;Non-metallic material valve explosion-proof certification&#8221;\u200b\u200b<\/b><\/h3>\n<p><b>Exigences fondamentales :<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ignifugation du mat\u00e9riau :<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Type de mat\u00e9riau<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Indice d&#039;oxyg\u00e8ne (OI)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Plage de temp\u00e9rature applicable (\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 renforc\u00e9 (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;\">Protection contre l&#039;\u00e9lectricit\u00e9 statique :<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">R\u00e9sistance de surface \u22641\u00d710\u2076\u03a9 (pour \u00e9viter l&#039;accumulation d&#039;\u00e9lectricit\u00e9 statique).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">R\u00e9sistance de mise \u00e0 la terre de l&#039;insert m\u00e9tallique \u2264 0,1 \u03a9.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Applications typiques\u00a0: vannes de syst\u00e8mes de chlore (joints en PTFE), vannes papillon de qualit\u00e9 alimentaire (si\u00e8ges en 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>Niveau et \u00e9tendue de la certification :<\/b><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Qualit\u00e9 antid\u00e9flagrante<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Groupe de gaz applicable<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Classe de temp\u00e9rature (classe T)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Temp\u00e9rature maximale de surface (\u00b0C)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">II 2G Ex d<\/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;\">II 3G Ex e<\/span><\/td>\n<td><span style=\"font-weight: 400;\">IIB (\u00e9thyl\u00e8ne)<\/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 Ex ia<\/span><\/td>\n<td><span style=\"font-weight: 400;\">IIC (Hydrog\u00e8ne)<\/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>Tests cl\u00e9s\u00a0:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Test de pression d&#039;explosion : \u00c0 5 fois la pression de service maximale, l&#039;enveloppe ne pr\u00e9sente aucune d\u00e9formation permanente.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u00c9cart antid\u00e9flagrant : \u22640,2 mm (vanne \u00e0 hydrog\u00e8ne de qualit\u00e9 IIC).<\/span><\/li>\n<\/ul>\n<h3><b>EN 14382 &#8220;Overpressure Protection Safety Valve&#8221;\u200b\u200b<\/b><\/h3>\n<p><b>Param\u00e8tres techniques principaux :<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">R\u00e9gler l&#039;\u00e9cart de pression\u00a0:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Niveau de pression<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u00c9cart admissible<\/span><\/td>\n<td><span style=\"font-weight: 400;\">rapport de pression de retour du si\u00e8ge<\/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;\">Pression de r\u00e9glage \u226590%<\/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;\">Pression de r\u00e9glage \u226585%<\/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\u00e9rification des capacit\u00e9s d&#039;\u00e9mission :<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Type de vanne<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Coefficient de d\u00e9bit (Kv)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Coefficient de d\u00e9placement nominal (%)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">D\u00e9marrage complet<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u22651,2 fois la valeur th\u00e9orique<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u226595%<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Micro-ouverture<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u22650,8\u00d7valeur th\u00e9orique<\/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;\">Sc\u00e9narios d&#039;application : soupape de d\u00e9charge de pression du r\u00e9servoir de GNL, soupape de s\u00e9curit\u00e9 du r\u00e9acteur.<\/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;\">Taux de fuite de gaz : \u22640,01 ml\/min (milieu m\u00e9thane, d\u00e9tection \u00e0 l&#039;h\u00e9lium).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Durabilit\u00e9 : Taux de fuite \u2264 0,05 ml\/min apr\u00e8s 20 000 cycles d&#039;ouverture et de fermeture.<\/span><\/li>\n<\/ul>\n<h3><b>Comparaison technologique\u00a0: Certifications de s\u00e9curit\u00e9 et antid\u00e9flagrantes PEN vs. ASME\/ISO<\/b><\/h3>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Dimensions<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Syst\u00e8me de normes EN<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Normes ASME\/ISO<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Principales diff\u00e9rences et impacts<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Certification antid\u00e9flagrante<\/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;\">Interop\u00e9rabilit\u00e9 des certifications : les normes EN 15001 et ISO 60079-1 sont techniquement \u00e9quivalentes, mais la norme EN exige une certification de l&#039;agence NB de l&#039;UE, et la norme ISO exige une certification IECEx.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">retardateur de flamme non m\u00e9tallique<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u200b\u200bEN 1703\u200b\u200b(indice d&#039;oxyg\u00e8ne \u226595%)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ISO 4589-2 (Classification de l&#039;indice d&#039;oxyg\u00e8ne)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Coordination des normes : la norme EN 1703 fait directement r\u00e9f\u00e9rence \u00e0 la m\u00e9thode d&#039;essai ISO 4589-2, mais la norme EN exige en outre une protection \u00e9lectrostatique (r\u00e9sistance de surface \u2264 1\u00d710\u2076\u03a9).<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Performances de la soupape de s\u00e9curit\u00e9<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 14382 (Pression de r\u00e9glage \u00b13%, D\u00e9placement \u226595%)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Section VIII de l&#039;ASME (\u00b110%, d\u00e9placement \u226590%)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Diff\u00e9rence de pr\u00e9cision : La norme EN impose un contr\u00f4le plus strict sur la pression, mais la norme ASME autorise une plus grande marge de tol\u00e9rance (adapt\u00e9e aux sc\u00e9narios industriels \u00e0 faible co\u00fbt).<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Fonction de s\u00e9curit\u00e9 de la vanne de r\u00e9gulation<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 1349 (protection contre les surcourses, essai de vibration)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ANSI\/ISA 75.08 (couverture fonctionnelle partielle)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Couverture fonctionnelle : la norme EN 1349 impose une protection contre la surcourse, tandis que la norme ANSI\/ISA 75.08 ne la recommande que, ce qui fait que les vannes EN sont plus fiables mais co\u00fbtent plus cher (+20%).<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">S\u00e9curit\u00e9 des vannes \u00e0 gaz<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u200b\u200bEN 13611\u200b\u200b (taux de fuite \u2264 0,01 ml\/min)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ISO 23553-1 (taux de fuite \u2264 0,1 ml\/min)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Limite de fuite : la norme EN est 10 fois plus stricte que la norme ISO, mais n\u00e9cessite un \u00e9quipement de d\u00e9tection d&#039;h\u00e9lium (co\u00fbt +15%).<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h1><b>Normes de vannes sp\u00e9cifiques \u00e0 l&#039;industrie<\/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=\"Normes de vannes sp\u00e9cifiques \u00e0 l&#039;industrie\" 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;\">Des sp\u00e9cifications techniques sp\u00e9cifiques aux vannes sont \u00e9labor\u00e9es pour les secteurs du p\u00e9trole et du gaz, du gaz, du traitement de l&#039;eau, de l&#039;automatisation industrielle et d&#039;autres applications afin de garantir adaptabilit\u00e9 et s\u00e9curit\u00e9.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Norme n\u00b0.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Nom standard<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Exigences de personnalisation de l&#039;industrie<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 1984<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Exigences g\u00e9n\u00e9rales relatives aux vannes industrielles<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Sp\u00e9cifications de base pour les industries chimiques et \u00e9lectriques<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 1171<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Vannes industrielles en fonte<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Guide de s\u00e9lection des vannes pour syst\u00e8mes de traitement\/chauffage de l&#039;eau<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 161<\/span><\/td>\n<td><span style=\"font-weight: 400;\">vanne \u00e0 gaz \u00e0 fermeture automatique<\/span><\/td>\n<td><span style=\"font-weight: 400;\">M\u00e9canisme de d\u00e9clenchement \u00e0 diff\u00e9rentiel de pression de 0,5 mbar pour vanne d&#039;arr\u00eat de gaz civil<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 15714<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Actionneur hydraulique<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Pr\u00e9cision synchrone des v\u00e9rins hydrauliques pour navires et engins de chantier\u00a0: \u00b10,1 mm<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">Application typique\u00a0: vannes EN 161 pour les syst\u00e8mes de gaz domestiques de l\u2019UE (certification CE requise)<\/span><\/p>\n<h3><b>EN 1984 &#8220;Safety Requirements for Industrial Valves&#8221;<\/b><\/h3>\n<p><b>Domaines technologiques cl\u00e9s\u00a0:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Test de fonction de s\u00e9curit\u00e9 :<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Fonction<\/span><\/td>\n<td><span style=\"font-weight: 400;\">M\u00e9thode d&#039;essai<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Crit\u00e8res d&#039;admissibilit\u00e9<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">temps de r\u00e9ponse \u00e0 l&#039;arr\u00eat d&#039;urgence<\/span><\/td>\n<td><span style=\"font-weight: 400;\">D\u00e9clencheur de signal jusqu&#039;au temps de fermeture compl\u00e8te<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u22642 secondes (r\u00e9p\u00e9ter 50 fois, \u00e9cart \u2264\u00b15%)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">essai au feu<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Exposition \u00e0 la flamme (1100\u2103, 30 minutes)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Taux de fuite \u22640,1\u00d7DN (ml\/min)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Mat\u00e9riel requis :<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Mat\u00e9riau du corps de vanne : Acier au carbone (1.0460) ou acier inoxydable (1.4401), certifi\u00e9 ISO 10474 3.1.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Mat\u00e9riau d&#039;\u00e9tanch\u00e9it\u00e9 : joint spiral\u00e9 en graphite ou en m\u00e9tal (r\u00e9sistance \u00e0 la temp\u00e9rature \u2265500\u2103).<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Applications industrielles\u00a0: vannes \u00e0 bille haute temp\u00e9rature dans les raffineries, vannes d\u2019arr\u00eat d\u2019urgence pour les ol\u00e9oducs et gazoducs.<\/span><\/p>\n<h3><b>EN 1171 &#8220;Design and testing of cast iron valves&#8221;\u200b\u200b<\/b><\/h3>\n<p><b>Sp\u00e9cifications principales\u00a0:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Qualit\u00e9s de fonte et r\u00e9sistance \u00e0 la corrosion :<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Marque<\/span><\/td>\n<td><span style=\"font-weight: 400;\">R\u00e9sistance \u00e0 la traction (MPa)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">milieu applicable (plage de 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 (qualit\u00e9 d&#039;eau neutre)<\/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 (milieux corrosifs)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Exigences relatives aux tests\u00a0:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Test d&#039;\u00e9tanch\u00e9it\u00e9 de la coque : Maintenir la pression \u00e0 2 fois la pression nominale pendant 5 minutes (aucune fuite).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Durabilit\u00e9 : Augmentation du couple \u226420% apr\u00e8s 10 000 cycles d&#039;ouverture et de fermeture.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Sc\u00e9narios d&#039;application : Vanne papillon pour le traitement des eaux municipales, vanne \u00e0 guillotine r\u00e9sistante aux acides chimiques.<\/span><\/p>\n<h3><b>EN 161 &#8220;Automatic closing function of gas valves&#8221;\u200b\u200b<\/b><\/h3>\n<p><b>Exigences cl\u00e9s\u00a0:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Conditions d&#039;arr\u00eat :<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Signal de d\u00e9clenchement<\/span><\/td>\n<td><span style=\"font-weight: 400;\">temps de r\u00e9ponse<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Taux de fuite (apr\u00e8s fermeture)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">La pression d\u00e9passe la limite (1,5\u00d7PN)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u22641 seconde<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u22640,01 ml\/min (m\u00e9thane)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">La temp\u00e9rature d\u00e9passe la limite (150\u00b0C)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u22643 secondes<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u22640,05 ml\/min<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ignifugation du mat\u00e9riau :<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">L&#039;indice d&#039;oxyg\u00e8ne du mat\u00e9riau du corps de la vanne est \u226528% (ISO 4589-2).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Niveau de protection des composants \u00e9lectriques \u2265 IP67 (EN 60529).<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Applications typiques : soupapes de s\u00e9curit\u00e9 pour stations de r\u00e9gulation de pression de gaz naturel, vannes frontales pour compteurs de gaz domestiques.<\/span><\/p>\n<h3><b>EN 15714 &#8220;Actuator Test Standard&#8221;\u200b\u200b<\/b><\/h3>\n<p><b>Contenu principal\u00a0:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u00c9l\u00e9ments de test\u00a0:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Projet<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Conditions d&#039;essai<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Crit\u00e8res d&#039;acceptation<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Protection contre les surcharges<\/span><\/td>\n<td><span style=\"font-weight: 400;\">1,5 fois le couple nominal, 10 fois de suite<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Aucune d\u00e9formation structurelle, fluctuation du courant \u2264\u00b110%<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">\u00c9tanche<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Tremper dans 1 m\u00e8tre d&#039;eau pendant 30 minutes<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Humidit\u00e9 interne \u226485%<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Couple de d\u00e9marrage \u00e0 basse temp\u00e9rature<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Test\u00e9 \u00e0 -40\u2103<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Couple de d\u00e9marrage \u2264 150% de la valeur \u00e0 temp\u00e9rature normale<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">Applications industrielles : Actionneur \u00e9lectrique de vanne de r\u00e9gulation chimique, dispositif d&#039;entra\u00eenement hydraulique de centrale hydro\u00e9lectrique.<\/span><\/p>\n<h3><b>Comparaison technologique : normes industrielles EN vs. ASME\/ISO<\/b><\/h3>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Dimensions<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Syst\u00e8me de normes EN<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Normes ASME\/ISO<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Principales diff\u00e9rences et impacts<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Soupape de s\u00e9curit\u00e9 \u00e0 gaz<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 161 (temps de fermeture \u2264 1 seconde, fuite \u2264 0,01 ml\/min)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ISO 23553-1 (temps de fermeture \u2264 3 secondes, fuite \u2264 0,1 ml\/min)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN offre une r\u00e9ponse plus rapide et un contr\u00f4le des fuites plus pr\u00e9cis, mais le co\u00fbt de l&#039;actionneur est augment\u00e9 de 20%.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Soupapes en fonte<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 1171 (r\u00e9sistant au pH 2~12, fonte Ni-Resist)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">AWWA C500 (r\u00e9sistant au pH 5~9, fonte ordinaire)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">L&#039;EN convient aux sc\u00e9narios hautement corrosifs, et le co\u00fbt du mat\u00e9riau est augment\u00e9 par 30%.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Agence ex\u00e9cutive<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 15714 (\u00e9tanch\u00e9it\u00e9 IP67 obligatoire)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ASME B16.34 (aucune exigence obligatoire en mati\u00e8re d&#039;\u00e9tanch\u00e9it\u00e9)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN convient aux environnements marins\/humides et n\u00e9cessite une mise \u00e0 niveau du processus d&#039;\u00e9tanch\u00e9it\u00e9 (co\u00fbt +15%).<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">S\u00e9curit\u00e9 des vannes industrielles<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 1984 (protection contre l&#039;incendie pendant 30 minutes, fuite \u2264 0,1\u00d7DN)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">API 607 \u200b\u200b(protection contre l&#039;incendie pendant 15 minutes, fuite \u2264 0,5 \u00d7 DN)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">L&#039;EN offre une meilleure r\u00e9sistance au feu, mais n\u00e9cessite une structure d&#039;\u00e9tanch\u00e9it\u00e9 \u00e0 double couche (co\u00fbt +25%).<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h1><b>\u00a0Normes d&#039;assainissement et d&#039;eau potable<\/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=\"Normes d&#039;assainissement et d&#039;eau potable\" 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;\">Assurez-vous que le mat\u00e9riau de la vanne est s\u00fbr et non toxique, que sa surface est propre, emp\u00eache la prolif\u00e9ration de micro-organismes et respecte les r\u00e9glementations strictes en mati\u00e8re d&#039;hygi\u00e8ne de l&#039;eau potable et de l&#039;industrie alimentaire.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Norme n\u00b0.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Nom standard<\/span><\/td>\n<td><span style=\"font-weight: 400;\">exigences techniques en mati\u00e8re d&#039;hygi\u00e8ne<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 1717<\/span><\/td>\n<td><span style=\"font-weight: 400;\">pr\u00e9vention du refoulement d&#039;eau potable<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Entrefer \u2265 20 mm ou double blocage m\u00e9canique<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 13658<\/span><\/td>\n<td><span style=\"font-weight: 400;\">mat\u00e9riaux pour vannes d&#039;eau potable<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Rugosit\u00e9 de surface de l&#039;alliage de cuivre sans plomb (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;\">R\u00e9sistance au chlore des vannes de traitement de l&#039;eau<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Taux de corrosion annuel sous une solution d&#039;hypochlorite de sodium \u00e0 50 ppm \u2264 0,1 mm<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 14420<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Interface de serrage \u00e0 d\u00e9gagement rapide<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Tol\u00e9rance dimensionnelle et polissage \u00e9lectrolytique de surface des colliers sanitaires 3A<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">Marques de certification : ACS (Royaume-Uni), DVGW (Allemagne), KTW (Compatibilit\u00e9 chimique UE)<\/span><\/p>\n<h3><b>EN 12567 Exigences d&#039;hygi\u00e8ne pour les vannes des syst\u00e8mes d&#039;eau potable<\/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=\"vannes du syst\u00e8me d&#039;eau potable\" 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>Domaines technologiques cl\u00e9s\u00a0:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">S\u00e9curit\u00e9 des mat\u00e9riaux :<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Type de mat\u00e9riau<\/span><\/td>\n<td><span style=\"font-weight: 400;\">limite de dissolution des m\u00e9taux lourds (\u03bcg\/L)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Plage de temp\u00e9rature applicable (\u2103)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Acier inoxydable (1.4404)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Plomb \u2264 5, Cadmium \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;\">Plastique de qualit\u00e9 alimentaire (PE)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Mati\u00e8re organique totale dissoute \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;\">Traitement de surface :<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">La rugosit\u00e9 de la surface de contact Ra\u22640,8\u03bcm (polissage \u00e9lectrolytique ou polissage m\u00e9canique).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Conception sans angle mort (rayon d&#039;angle int\u00e9rieur \u2265 3 mm).<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Applications industrielles : vannes papillon dans les usines de traitement d&#039;eau potable, vannes \u00e0 bille dans les purificateurs d&#039;eau domestiques.<\/span><\/p>\n<h3><b>EN 1717 &#8220;Prevention of backflow contamination of drinking water &#8220;<\/b><\/h3>\n<p><b>Sp\u00e9cifications principales\u00a0:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Dispositif anti-refoulement :<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Taper<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Sc\u00e9narios applicables<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Taux de fuite (pression inverse 1,5\u00d7PN)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Type de d\u00e9compression (Type EA)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">r\u00e9seau municipal d&#039;approvisionnement en eau<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u22640,1 ml\/min<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Type de rupture de vide (Type AB)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">points de connexion des \u00e9quipements industriels<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u22640,5 ml\/min<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Exigences relatives aux tests\u00a0:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Test d&#039;osmose inverse avec liquide contamin\u00e9 simul\u00e9 (dur\u00e9e de 24 heures).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">La surface d&#039;\u00e9tanch\u00e9it\u00e9 de la vanne doit \u00eatre r\u00e9sistante \u00e0 la corrosion par les ions chlorure (Cl\u207b\u2264250 ppm).<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Sc\u00e9narios d&#039;application\u00a0: Syst\u00e8me d&#039;alimentation en eau d&#039;un h\u00f4pital, vanne d&#039;arriv\u00e9e d&#039;eau d&#039;une usine de transformation alimentaire.<\/span><\/p>\n<h3><b>\u200b\u200bEN 1489 &#8220;Hygienic requirements for valves for building use&#8221;\u200b\u200b<\/b><\/h3>\n<p><b>Exigences cl\u00e9s\u00a0:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Biocompatibilit\u00e9 du mat\u00e9riau :<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">R\u00e9ussi le test de cytotoxicit\u00e9 ISO 10993-5 (taux d&#039;inhibition \u2264 20%).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Sans plastifiant (phtalates \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;\">Nettoyage et d\u00e9sinfection :<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">M\u00e9thodes de d\u00e9sinfection<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Test d&#039;endurance<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Crit\u00e8res d&#039;admissibilit\u00e9<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Vapeur \u00e0 haute temp\u00e9rature (121\u00b0C)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Cycle de 30 minutes \u00d7 50 fois<\/span><\/td>\n<td><span style=\"font-weight: 400;\">La surface d&#039;\u00e9tanch\u00e9it\u00e9 ne pr\u00e9sente aucune d\u00e9formation et le taux de fuite est \u2264 0,01 \u00d7 DN<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">D\u00e9sinfection chimique (hypochlorite de sodium)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Concentration 100 ppm, trempage pendant 24 heures<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Perte de poids du mat\u00e9riau \u2264 0,1%<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">Applications typiques\u00a0: vannes \u00e0 membrane dans les syst\u00e8mes d\u2019eau st\u00e9rile des h\u00f4pitaux, vannes CIP (nettoyage en place) dans les usines pharmaceutiques.<\/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=\"Syst\u00e8me de valve hygi\u00e9nique de qualit\u00e9 alimentaire\" 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>Exigences fondamentales :<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Limites de migration des mati\u00e8res :<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Substance<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Limite de migration (mg\/kg)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Conditions de test (simulant alimentaire)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">formald\u00e9hyde<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u226415<\/span><\/td>\n<td><span style=\"font-weight: 400;\">10% \u00e9thanol, 40\u2103 \u00d7 10 jours<\/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;\">Acide ac\u00e9tique 3%, 40\u2103 \u00d7 10 jours<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Tra\u00e7abilit\u00e9 :<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Les lots de mat\u00e9riaux doivent \u00eatre accompagn\u00e9s d&#039;un document de d\u00e9claration FCM (Mat\u00e9riaux en contact avec les aliments) (conform\u00e9ment au r\u00e8glement CE 2023\/2006).<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Applications industrielles : vannes pour l&#039;industrie laiti\u00e8re, vannes pour le remplissage de boissons.<\/span><\/p>\n<h3><b>Comparaison technologique : normes sanitaires EN vs. ASME\/ISO<\/b><\/h3>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Dimensions<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Syst\u00e8me de normes EN<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Normes ASME\/ISO<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Principales diff\u00e9rences et impacts<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">S\u00e9curit\u00e9 des mat\u00e9riaux<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 12567 (limites d&#039;\u00e9mission de m\u00e9taux lourds)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ASME BPE (pas de limites de dissolution, finition de surface uniquement)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">La norme EN limite directement le rejet de substances toxiques, tandis que la norme ASME se concentre davantage sur la propret\u00e9 physique.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">rugosit\u00e9 de surface<\/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;\">La norme ASME exige une finition plus \u00e9lev\u00e9e, mais la norme EN peut r\u00e9pondre aux exigences de qualit\u00e9 alimentaire gr\u00e2ce \u00e0 un polissage \u00e9lectrolytique Ra\u22640,8\u03bcm.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Conception anti-refoulement<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u200b\u200bEN 1717\u200b\u200b (taux de fuite \u2264 0,1 ml\/min)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ASSE 1013 (taux de fuite \u2264 1,0 ml\/min)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN a de meilleures performances anti-pollution, mais la structure de la vanne est complexe (co\u00fbt +20%).<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">r\u00e9sistance \u00e0 la d\u00e9sinfection<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 1489 (vapeur \u00e0 haute temp\u00e9rature 50 cycles)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ISO 15848 (pas de test de d\u00e9sinfection sp\u00e9cifique)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">La norme EN est adapt\u00e9e \u00e0 l&#039;industrie m\u00e9dicale\/pharmaceutique, et les normes ASME\/ISO exigent une v\u00e9rification suppl\u00e9mentaire.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Certification pour le contact alimentaire<\/span><\/td>\n<td><span style=\"font-weight: 400;\">R\u00e8glement CE 1935\/2004 (valeurs limites de migration + documentation de tra\u00e7abilit\u00e9)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">FDA 21 CFR (valeur uniquement, aucune exigence de tra\u00e7abilit\u00e9)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Les r\u00e9glementations EN sont plus strictes et les co\u00fbts de mise en conformit\u00e9 des mat\u00e9riaux sont de 15% \u00e0 25% plus \u00e9lev\u00e9s.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h1><b>Basse temp\u00e9rature et milieux sp\u00e9ciaux<\/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=\"Vanne \u00e0 guillotine cryog\u00e9nique 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\/\">Vanne \u00e0 guillotine cryog\u00e9nique JH<\/a><\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">Elle couvre des conditions de travail complexes telles que les temp\u00e9ratures extr\u00eamement basses, les milieux corrosifs et toxiques, garantissant la fiabilit\u00e9 des mat\u00e9riaux des vannes, des joints et des conceptions structurelles.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Norme n\u00b0.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Nom standard<\/span><\/td>\n<td><span style=\"font-weight: 400;\">exigences en mati\u00e8re de conditions de travail extr\u00eames<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 1626<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Conception et essais de vannes cryog\u00e9niques<\/span><\/td>\n<td><span style=\"font-weight: 400;\">V\u00e9rification de l&#039;\u00e9tanch\u00e9it\u00e9 \u00e0 l&#039;azote liquide \u00e0 -196 \u00b0C<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 14636<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Vanne CO\u2082 supercritique<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Essai de fluage du mat\u00e9riau au point critique de 31,1 \u00b0C\/7,38 MPa<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 12570<\/span><\/td>\n<td><span style=\"font-weight: 400;\">mesure du couple de fonctionnement de la vanne<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Couple d&#039;ouverture et de fermeture maximal en conditions de basse temp\u00e9rature \u2264 100 Nm<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 14432<\/span><\/td>\n<td><span style=\"font-weight: 400;\">R\u00e9sistance chimique des vannes en plastique<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Test annuel de perm\u00e9abilit\u00e9 du PVDF dans l&#039;acide sulfurique 98%<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">Avanc\u00e9e majeure en mati\u00e8re de mat\u00e9riaux\u00a0: la norme EN 1626 exige que les mat\u00e9riaux des corps de vannes basse temp\u00e9rature pr\u00e9sentent une capacit\u00e9 thermique massique (Akv -196\u00a0\u00b0C) \u2265 27\u00a0J.<\/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=\"Test cryog\u00e9nique de la vanne cryog\u00e9nique\" 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\/\">Test cryog\u00e9nique JH<\/a><\/figcaption><\/figure>\n<p><b>Exigences fondamentales :<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">t\u00e9nacit\u00e9 du mat\u00e9riau \u00e0 basse temp\u00e9rature\u00a0:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Type de mat\u00e9riau<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u00c9nergie d&#039;impact (-196\u2103)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">limite inf\u00e9rieure de temp\u00e9rature applicable (\u2103)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Acier inoxydable aust\u00e9nitique<\/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;\">Alliage \u00e0 base de nickel (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;\">Conception du joint :<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Joint \u00e0 soufflet (dur\u00e9e de vie \u2265 5000 cycles, taux de fuite \u2264 10\u207b\u2076 mbar\u00b7l\/s).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Conception de la rallonge de tige (\u00e9vite l&#039;effet de pont froid).<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3><b>EN 14636 \u00ab Essai de couple de man\u0153uvre des vannes cryog\u00e9niques \u00bb<\/b><\/h3>\n<p>&nbsp;<\/p>\n<p><b>Conditions de test :<\/b><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Temp\u00e9rature (\u2103)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u00c9tat de la lubrification<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Augmentation du couple admissible<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">-196<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Friction s\u00e8che<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u2264200% de couple \u00e0 temp\u00e9rature normale<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">-50<\/span><\/td>\n<td><span style=\"font-weight: 400;\">graisse basse temp\u00e9rature<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u2264150% de couple \u00e0 temp\u00e9rature normale<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">Applications industrielles : vannes de stockage et de transport d&#039;hydrog\u00e8ne liquide, vannes de distribution d&#039;oxyg\u00e8ne liquide pour l&#039;a\u00e9rospatiale.<\/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=\"Essai de fonctionnement de la vanne cryog\u00e9nique\" 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>Exigences fondamentales :<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Limitations de la force motrice :<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Type de vanne<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Force de manoeuvre maximale du volant (N)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Couple de l&#039;actionneur \u00e9lectrique (Nm)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">vanne d&#039;arr\u00eat 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;\">vanne \u00e0 bille 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;\">Lubrification r\u00e9sistante \u00e0 la corrosion :<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">La graisse d&#039;\u00e9tanch\u00e9it\u00e9 doit r\u00e9ussir le test de r\u00e9sistance aux acides et aux alcalis ISO 6743-9 (perte de poids \u2264 1%).<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3><b>EN 14432\u300aR\u00e9sistance \u00e0 la corrosion chimique des vannes rev\u00eatues\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=\"Test de r\u00e9sistance chimique des vannes cryog\u00e9niques\" 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\u200b<\/span><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">V\u00e9rification du mat\u00e9riau de doublure :<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Type de doublure<\/span><\/td>\n<td><span style=\"font-weight: 400;\">R\u00e9sistance \u00e0 la temp\u00e9rature (\u2103)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">r\u00e9sistance chimique (exemple)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">M\u00e9thode d&#039;essai (EN 14432 Annexe 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;\">Acide sulfurique concentr\u00e9 (98%), acide chlorhydrique (37%)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Apr\u00e8s 720 heures d&#039;immersion, l&#039;expansion volumique est \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;\">Acide fluorhydrique (40%), acide nitrique (65%)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Test de pression osmotique (1,5\u00d7PN)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">Applications industrielles\u00a0: vannes \u00e0 membrane pour l\u2019industrie du chlore-alcali, vannes pour acides de haute puret\u00e9 destin\u00e9es \u00e0 l\u2019industrie des semi-conducteurs.<\/span><\/p>\n<h3><b>Comparaison technique : normes EN vs. normes ASME\/API<\/b><\/h3>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Dimensions<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Syst\u00e8me de normes EN<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Normes ASME\/API<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Principales diff\u00e9rences et impacts<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">R\u00e9sistance des mat\u00e9riaux cryog\u00e9niques<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u200b\u200bEN 1626\u200b\u200b (\u00c9nergie d&#039;impact forc\u00e9 \u2265 40J, -196\u2103)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ASME B31.3 (\u00e9nergie d&#039;impact \u2265 27 J, -196 \u2103)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Les mat\u00e9riaux EN sont plus r\u00e9sistants \u00e0 la fragilit\u00e9 \u00e0 basse temp\u00e9rature, mais leur co\u00fbt est plus \u00e9lev\u00e9 de 10% \u00e0 15%.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Test de force op\u00e9rationnelle<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 12570 (force de man\u0153uvre manuelle obligatoire \u2264 350 N)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">API 6D (pas de limite obligatoire, seulement une valeur recommand\u00e9e)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">La norme EN garantit la s\u00e9curit\u00e9 des op\u00e9rations manuelles, et la norme API repose sur une conception bas\u00e9e sur l&#039;exp\u00e9rience.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Vannes rev\u00eatues<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 14432 (Test de p\u00e9n\u00e9tration obligatoire + limite de vitesse d&#039;expansion)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">API 598 (test de fuite uniquement)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">La norme EN est plus stricte, mais le processus de rev\u00eatement co\u00fbte 20% de plus.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Joint d&#039;\u00e9tanch\u00e9it\u00e9 basse temp\u00e9rature<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 14636 (augmentation du couple \u2264 200%)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">MSS SP-134 (pas de norme d&#039;essai de couple \u00e0 basse temp\u00e9rature)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN fournit des indicateurs quantitatifs pour r\u00e9duire le risque de cong\u00e9lation \u00e0 basse temp\u00e9rature.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h1><b>Syst\u00e8me de qualit\u00e9 et de tra\u00e7abilit\u00e9<\/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=\"Inspection de la qualit\u00e9 des vannes et tra\u00e7abilit\u00e9 des vannes\" 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;\">Mettre en place un m\u00e9canisme de contr\u00f4le qualit\u00e9 et de tra\u00e7abilit\u00e9 complet, depuis les mati\u00e8res premi\u00e8res jusqu&#039;aux produits finis, afin de garantir que la fabrication des vannes est conforme aux sp\u00e9cifications de conception et aux exigences r\u00e9glementaires.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Norme n\u00b0.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Nom standard<\/span><\/td>\n<td><span style=\"font-weight: 400;\">exigences de gestion de la qualit\u00e9<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 10204<\/span><\/td>\n<td><span style=\"font-weight: 400;\">tra\u00e7abilit\u00e9 des mat\u00e9riaux<\/span><\/td>\n<td><span style=\"font-weight: 400;\">3.1\/3.2 Correspondance entre le certificat et la certification 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;\">sp\u00e9cifications des essais non destructifs<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Contr\u00f4le par radiographie des pi\u00e8ces moul\u00e9es (EN 12681), contr\u00f4le par ultrasons des soudures (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;\">normes de correspondance des tuyaux en acier<\/span><\/td>\n<td><span style=\"font-weight: 400;\">r\u00e8gles de tol\u00e9rance et d&#039;appariement des canaux d&#039;\u00e9coulement des vannes pour les tubes en acier sans soudure<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 10217<\/span><\/td>\n<td><span style=\"font-weight: 400;\">qualification des proc\u00e9dures de soudage<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Couvre les certifications de soudage TIG\/MIG\/\u00e0 l&#039;arc submerg\u00e9 et autres proc\u00e9d\u00e9s.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">Mise \u00e0 niveau num\u00e9rique : la norme EN 10204-3.3 prend en charge la tra\u00e7abilit\u00e9 des mat\u00e9riaux par blockchain (nouveaut\u00e9 de la version 2023).<\/span><\/p>\n<h3><b>EN 10204 \u00ab Types de certification des mat\u00e9riaux \u00bb<\/b><\/h3>\n<p><b>Contenu principal\u00a0:<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Classification des certificats et champ d&#039;application :<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Type de certificat<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Test de groupe<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Champ d&#039;application<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">3.1<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Auto-inspection des aci\u00e9ries<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Vannes industrielles conventionnelles (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;\">laboratoire tiers ind\u00e9pendant<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u00c9nergie nucl\u00e9aire, vannes PED de cat\u00e9gorie 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;\">Documents requis :<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Composition chimique, propri\u00e9t\u00e9s m\u00e9caniques, rapport CND (uniquement requis pour le certificat 3.2).<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b>Applications industrielles<\/b><span style=\"font-weight: 400;\">: Vanne principale de vapeur de centrale nucl\u00e9aire (EN 10204 3.2 obligatoire), vanne d&#039;eau municipale (certificat 3.1).<\/span><\/p>\n<h3><b>\u200b\u200bEN 10228 &#8220;Non-destructive testing of forgings&#8221;\u200b\u200b<\/b><\/h3>\n<p><b>exigences de test de base<\/b><span style=\"font-weight: 400;\">:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">M\u00e9thodes d&#039;essai et normes :<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">M\u00e9thodes de d\u00e9tection<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Types de d\u00e9fauts applicables<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Crit\u00e8res d&#039;acceptation<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Contr\u00f4le par ultrasons (UT)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">fissures internes, inclusions<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u00c9cho de d\u00e9faut \u226420% Courbe DAC<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Contr\u00f4le par particules magn\u00e9tiques (MT)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">fissures superficielles<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Longueur de fissure \u2264 5 mm, d\u00e9fauts lin\u00e9aires interdits<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Couverture de d\u00e9tection\u00a0:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Pi\u00e8ces forg\u00e9es pour l&#039;\u00e9nergie nucl\u00e9aire : 100% UT+MT.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Pi\u00e8ces forg\u00e9es conventionnelles : contr\u00f4le ponctuel UT \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=\"Les vannes de tuyauterie en acier ne sont pas d\u00e9tectables.\" 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>Caract\u00e9ristiques principales :<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Type et param\u00e8tres de d\u00e9tection\u00a0:<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">M\u00e9thodes de d\u00e9tection<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Type de tuyau en acier applicable<\/span><\/td>\n<td><span style=\"font-weight: 400;\">sensibilit\u00e9 de d\u00e9tection<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Contr\u00f4le par courants de Foucault (ET)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Tuyau en acier inoxydable aust\u00e9nitique<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Profondeur du d\u00e9faut \u2265 0,5 mm<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Tests radiographiques (RT)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Tuyau soud\u00e9 en acier au carbone<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Diam\u00e8tre des pores \u2264 2 mm, \u2264 3 par m\u00e8tre<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><b>Sc\u00e9narios d&#039;application<\/b><span style=\"font-weight: 400;\">: tubes de chaudi\u00e8res haute pression, canalisations r\u00e9sistantes \u00e0 la corrosion chimique.<\/span><\/p>\n<h3><b>EN 10217 &#8220;Technical conditions for welded steel pipes&#8221;\u200b\u200b<\/b><\/h3>\n<p><b>Exigences fondamentales :<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Proc\u00e9d\u00e9 de soudage et essais :<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Param\u00e8tre<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Exiger<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">M\u00e9thodes de soudage<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Soudage TIG (acier inoxydable), soudage SAW (acier au carbone)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Inspection des soudures<\/span><\/td>\n<td><span style=\"font-weight: 400;\">100% RT (EN 1435) ou UT (EN 1714)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Limite de duret\u00e9<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Zone de soudage \u2264350 HV10<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">Applications industrielles : tuyaux de fours de craquage de p\u00e9trole, canalisations d&#039;air comprim\u00e9 pour navires.<\/span><\/p>\n<h3><b>Comparaison technologique : syst\u00e8mes de qualit\u00e9 EN vs. ASME\/ISO<\/b><\/h3>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Dimensions<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Syst\u00e8me de normes EN<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Normes ASME\/ISO<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Principales diff\u00e9rences et impacts<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Certification des mat\u00e9riaux<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 10204 3.2 (Tiers obligatoire)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Section II de l&#039;ASME (Auto-inspection des installations sid\u00e9rurgiques)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Les donn\u00e9es EN sont plus fiables mais co\u00fbtent 25% de plus, tandis que l&#039;ASME s&#039;appuie sur le syst\u00e8me d&#039;assurance qualit\u00e9 de l&#039;usine.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Inspection de forgeage<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u200b\u200bEN 10228\u200b\u200b(UT+MT, fissure \u22645mm)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u200b\u200bASME SA-388\u200b\u200b (UT, fissure \u22648mm)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">La norme EN a une tol\u00e9rance aux d\u00e9fauts plus stricte et le taux de rebut est de 10%~15% sup\u00e9rieur \u00e0 celui de la norme ASME.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Essais de conduites en acier<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u200b\u200bEN 10246\u200b\u200b\uff08ET+RT, pores \u2264 2mm\uff09<\/span><\/td>\n<td><span style=\"font-weight: 400;\">API 5L (RT uniquement, pores \u2264 3 mm)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">La d\u00e9tection EN a une sensibilit\u00e9 plus \u00e9lev\u00e9e, mais le temps de d\u00e9tection augmente de 30%.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Proc\u00e9d\u00e9 de soudage<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 10217 (Soudage TIG\/SAW obligatoire + contr\u00f4le de duret\u00e9)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ASME B31.3 (soudage manuel autoris\u00e9)<\/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;\">Tra\u00e7abilit\u00e9<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Tra\u00e7abilit\u00e9 compl\u00e8te des lots (EN 10204 3.2)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Tra\u00e7abilit\u00e9 par num\u00e9ro de four (mat\u00e9riau ASME)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">La tra\u00e7abilit\u00e9 EN est plus granulaire, mais les co\u00fbts de gestion des documents sont 20% plus \u00e9lev\u00e9s.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h1><b>Actionneurs et automatisation<\/b><\/h1>\n<p><span style=\"font-weight: 400;\">Garantir la compatibilit\u00e9, la fiabilit\u00e9 et la pr\u00e9cision de la commande d&#039;automatisation des actionneurs (pneumatiques, \u00e9lectriques, hydrauliques) et des vannes afin de r\u00e9pondre aux besoins d&#039;une r\u00e9gulation efficace des processus industriels.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Norme n\u00b0.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Nom standard<\/span><\/td>\n<td><span style=\"font-weight: 400;\">exigences en mati\u00e8re de technologie de contr\u00f4le<\/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;\">Interface du pilote<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Couple maximal de la bride F10\u00a0: 1\u00a0200\u00a0Nm<\/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;\">Actionneurs pneumatiques<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Erreur de lin\u00e9arit\u00e9 \u00e0 une pression de source de gaz de 0,5 \u00e0 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;\">Actionneur \u00e9lectrique<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Solution int\u00e9gr\u00e9e de protection IP68 et de certification antid\u00e9flagrante 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;\">caract\u00e9ristiques d&#039;\u00e9coulement de la vanne de r\u00e9gulation<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Mod\u00e8le de v\u00e9rification math\u00e9matique de la courbe caract\u00e9ristique lin\u00e9aire\/\u00e0 pourcentage \u00e9gal<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">Compatibilit\u00e9 intelligente : la norme EN 15714-3:2022 ajoute un protocole d&#039;interface IoT (prend en charge OPC UA\/Modbus).<\/span><\/p>\n<h3><b>EN ISO 5211 &#8220;Valve drive installation interface&#8221;\u200b\u200b<\/b><\/h3>\n<p><b>Domaines technologiques cl\u00e9s\u00a0:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Dimensions de l&#039;interface et capacit\u00e9 de couple\u00a0:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Code d&#039;interface<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Dimensions de la t\u00eate d&#039;entra\u00eenement carr\u00e9e (mm)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Couple maximal (Nm)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Type d&#039;actionneur applicable<\/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;\">Petits actionneurs pneumatiques<\/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;\">Actionneur \u00e9lectrique (vanne 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;\">Actionneur hydraulique (DN600 et plus)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Tol\u00e9rance de montage :<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">L&#039;erreur de coaxialit\u00e9 de l&#039;arbre d&#039;entra\u00eenement est \u22640,1 mm\/m et le parall\u00e9lisme de la surface de la bride est \u22640,05 mm.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b>Applications industrielles<\/b><span style=\"font-weight: 400;\">Vannes de r\u00e9gulation chimique, vannes \u00e0 guillotine hydrauliques dans les centrales hydro\u00e9lectriques.<\/span><\/p>\n<h3><b>EN 15714-1 \u00ab Essais des actionneurs pneumatiques \u00bb<\/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=\"vanne de r\u00e9gulation pneumatique\" 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\/\">Valve de r\u00e9gulation pneumatique JH<\/a><\/figcaption><\/figure>\n<p><b>Exigences de base en mati\u00e8re de tests\u00a0:<\/b><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">\u00c9l\u00e9ments de test<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Conditions d&#039;essai<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Crit\u00e8res d&#039;acceptation<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Test d&#039;\u00e9tanch\u00e9it\u00e9 \u00e0 l&#039;air<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Pression d&#039;air de 0,6 MPa pendant 5 minutes<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Chute de pression \u2264 0,01 MPa<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Cycle de vie<\/span><\/td>\n<td><span style=\"font-weight: 400;\">100 000 cycles d&#039;ouverture et de fermeture (fr\u00e9quence \u2265 1 Hz)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Taux de fuite \u2264 0,1 \u00d7 DN, fluctuation du couple \u2264 \u00b1 101 TP3T<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Performances \u00e0 basse temp\u00e9rature<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Effectuer 50 op\u00e9rations \u00e0 -40\u2103<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u00c9cart de temps d&#039;ouverture et de fermeture \u2264\u00b115%<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><b>Applications typiques<\/b><span style=\"font-weight: 400;\">: vanne de r\u00e9gulation de pression de gaz naturel, vanne \u00e0 membrane de qualit\u00e9 alimentaire.<\/span><\/p>\n<h3><b>\u00a0EN 15714-2 \u00ab Essai d&#039;actionneur \u00e9lectrique \u00bb<\/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=\"Actionneur \u00e9lectrique\" 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>Exigences de base en mati\u00e8re de tests\u00a0:<\/b><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">\u00c9l\u00e9ments de test<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Conditions d&#039;essai<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Crit\u00e8res d&#039;acceptation<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Protection contre les surcharges<\/span><\/td>\n<td><span style=\"font-weight: 400;\">1,5 fois le couple nominal pendant 10 cycles cons\u00e9cutifs<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Aucune d\u00e9formation structurelle, fluctuation du courant \u2264\u00b110%<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Performance d&#039;\u00e9tanch\u00e9it\u00e9<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Protection IP67 (1 m\u00e8tre sous l&#039;eau, 30 minutes)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Humidit\u00e9 interne \u226485%<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">anti-interf\u00e9rences CEM<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Fonctionnement sous interf\u00e9rences RF de 10 V\/m<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Erreur de retour de position \u2264\u00b11%<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><b>Application industrielle<\/b><span style=\"font-weight: 400;\">: vanne principale de vapeur d&#039;une centrale nucl\u00e9aire, vanne de r\u00e9gulation p\u00e9trochimique.<\/span><\/p>\n<h3><b>\u200b\u200bEN 60534 &#8220;Industrial Process Control Valves&#8221;\u200b\u200b<\/b><\/h3>\n<p><b>Contenu cl\u00e9\u00a0:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">V\u00e9rification des caract\u00e9ristiques d&#039;\u00e9coulement\u00a0:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">caract\u00e9ristiques d&#039;\u00e9coulement<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Sc\u00e9narios applicables<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u00c9cart admissible<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Pourcentage \u00e9gal<\/span><\/td>\n<td><span style=\"font-weight: 400;\">R\u00e9gulation de haute pr\u00e9cision (industrie chimique)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Coefficient de d\u00e9bit (Cv) \u00b15%<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Type \u00e0 ouverture rapide<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Commande de commutation (traitement de l&#039;eau)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Courbe d\u00e9bit-\u00e9jection \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;\">Test de r\u00e9ponse \u00e0 l&#039;impulsion\u00a0:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">modifications du signal d&#039;entr\u00e9e<\/span><\/td>\n<td><span style=\"font-weight: 400;\">temps de r\u00e9ponse<\/span><\/td>\n<td><span style=\"font-weight: 400;\">D\u00e9passer<\/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 secondes (vanne de r\u00e9gulation)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u22645% valeur de r\u00e9glage<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><b>Sc\u00e9narios d&#039;application<\/b><span style=\"font-weight: 400;\">: Vannes de r\u00e9gulation de d\u00e9bit dans les raffineries, vannes de r\u00e9gulation de pression dans les usines pharmaceutiques.<\/span><\/p>\n<h3><b>Comparaison technologique : normes EN vs. normes IEC\/ISA<\/b><\/h3>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Dimensions<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Syst\u00e8me de normes EN<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Normes CEI\/ISA<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Principales diff\u00e9rences et impacts<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Interface du conducteur<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN ISO 5211 (Interface s\u00e9rie F, classification du couple)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">CEI 60534-6 (interface similaire, sans classification de couple)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">La norme EN fournit une capacit\u00e9 de couple quantifi\u00e9e, ce qui rend la s\u00e9lection plus pr\u00e9cise, mais n\u00e9cessite une v\u00e9rification de conception suppl\u00e9mentaire.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Actionneurs pneumatiques<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 15714-1 (test de dur\u00e9e de vie de 100 000 cycles)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ISA 75.10 (50 000 cycles)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">La norme EN impose des exigences de fiabilit\u00e9 plus \u00e9lev\u00e9es, mais le co\u00fbt de l&#039;actionneur augmente de 20%.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Actionneur \u00e9lectrique<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 15714-2 (\u00e9tanch\u00e9it\u00e9 IP67 obligatoire)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">CEI 60534-8 (IP65 recommand\u00e9)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">La norme EN convient aux environnements humides\/ext\u00e9rieurs (tels que les plateformes offshore), et la norme IEC convient \u00e0 l&#039;industrie en g\u00e9n\u00e9ral.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Performances de la vanne de r\u00e9gulation<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 60534 (D\u00e9passement de la r\u00e9ponse indicielle \u2264 5%)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ISA 75,25 (d\u00e9passement \u2264 10%)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">La norme EN offre une pr\u00e9cision de contr\u00f4le sup\u00e9rieure, mais impose des exigences plus strictes en mati\u00e8re de r\u00e9ponse dynamique de l&#039;actionneur.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h1><b>Normes d&#039;entretien et de r\u00e9novation<\/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=\"Normes de r\u00e9paration et de modification des soupapes\" 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;\">Normaliser le processus de maintenance et de modification des vannes et des syst\u00e8mes de tuyauterie associ\u00e9s afin de garantir l&#039;int\u00e9grit\u00e9, la s\u00e9curit\u00e9 et la dur\u00e9e de vie des \u00e9quipements r\u00e9par\u00e9s.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Norme n\u00b0.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Nom standard<\/span><\/td>\n<td><span style=\"font-weight: 400;\">exigences techniques de maintenance<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 13480<\/span><\/td>\n<td><span style=\"font-weight: 400;\">r\u00e9novation du r\u00e9seau de pipelines<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Contr\u00f4le de la temp\u00e9rature de pr\u00e9chauffage pour le soudage de maintenance en ligne<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 12952<\/span><\/td>\n<td><span style=\"font-weight: 400;\">R\u00e9paration de vannes de chaudi\u00e8re<\/span><\/td>\n<td><span style=\"font-weight: 400;\">V\u00e9rification du profil de temp\u00e9rature du traitement thermique apr\u00e8s soudage (TTAS)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 13445<\/span><\/td>\n<td><span style=\"font-weight: 400;\">soupape de support du r\u00e9servoir sous pression<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Le coefficient de pression d&#039;essai hydraulique apr\u00e8s modification est de 1,33 \u00d7 MAWP<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 10253<\/span><\/td>\n<td><span style=\"font-weight: 400;\">processus de r\u00e9paration par soudage<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Plage admissible de r\u00e9paration de l&#039;\u00e9paisseur de paroi\u00a0: profondeur de meulage du d\u00e9faut \u2264 20%<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">Valeur \u00e9conomique : Les vannes r\u00e9par\u00e9es conform\u00e9ment \u00e0 la norme EN 13480 peuvent voir leur dur\u00e9e de vie prolong\u00e9e de 15 ans (inspection CND annuelle requise).<\/span><\/p>\n<h3><b>\u200bEN 13480 &#8220;Repair and replacement of metal industrial pipes&#8221;\u200b\u200b<\/b><\/h3>\n<p><b>Domaines principaux :<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Exigences relatives au processus de maintenance\u00a0:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">\u00c9l\u00e9ments d&#039;entretien<\/span><\/td>\n<td><span style=\"font-weight: 400;\">exigences techniques<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Sc\u00e9narios applicables<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Remplacement partiel de canalisations<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Le nouveau mat\u00e9riau de tuyauterie est chimiquement compatible avec l&#039;ancien tuyau (EN 10027-1).<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Tuyaux corrod\u00e9s (perte d&#039;\u00e9paisseur \u2265 20%)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">r\u00e9paration de soudure<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Qualification de la proc\u00e9dure selon la norme EN ISO 15614, Traitement thermique apr\u00e8s soudage (TTAS)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">r\u00e9paration de fissures de conduites de vapeur \u00e0 haute temp\u00e9rature<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Tests et v\u00e9rification :<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">La section de remplacement doit \u00eatre test\u00e9e selon la norme 100% RT (EN 1435) ou PT\/MT (EN 1291), avec des d\u00e9fauts de fissure \u2264 5 mm.<\/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>Exigences cl\u00e9s\u00a0:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">R\u00e9paration de vannes de chaudi\u00e8re :<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Projet<\/span><\/td>\n<td><span style=\"font-weight: 400;\">normes d&#039;entretien<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Indicateurs d&#039;acceptation<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">r\u00e9paration de soupape de s\u00e9curit\u00e9<\/span><\/td>\n<td><span style=\"font-weight: 400;\">La rugosit\u00e9 de la surface d&#039;\u00e9tanch\u00e9it\u00e9 apr\u00e8s rectification est Ra \u2264 0,4 \u03bcm.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u00c9cart de pression de d\u00e9clenchement \u2264\u00b12%<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Tuyaux de chaudi\u00e8re \u00e0 souder<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Temp\u00e9rature de pr\u00e9chauffage \u2265 150 \u2103, temp\u00e9rature de l&#039;intercouche \u2264 300 \u2103<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u00c9nergie d&#039;impact de la soudure \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;\">Essais CND :<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Zone r\u00e9par\u00e9e 100% UT (EN 1714) + RT (EN 1435), longueur d&#039;inclusion de laitier \u2264 3mm.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3><b>EN 13445\u300aMaintenance des appareils \u00e0 pression sans contact avec les flammes\u300b\u200b\u200b<\/b><\/h3>\n<p><b>Sp\u00e9cifications principales\u00a0:<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Modification de la vanne du r\u00e9cipient sous pression\u00a0:<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Type de r\u00e9novation<\/span><\/td>\n<td><span style=\"font-weight: 400;\">exigences techniques<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Crit\u00e8res d&#039;acceptation<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Mise \u00e0 niveau de la soupape de s\u00e9curit\u00e9<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Capacit\u00e9 de d\u00e9charge de pression \u2265 115% de conception originale<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Test\u00e9 conform\u00e9ment \u00e0 la norme EN ISO 4126-1<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">rev\u00eatement de surface d&#039;\u00e9tanch\u00e9it\u00e9<\/span><\/td>\n<td><span style=\"font-weight: 400;\">R\u00e9sistance \u00e0 la temp\u00e9rature du mat\u00e9riau de rev\u00eatement \u2265 temp\u00e9rature de conception + 50\u2103<\/span><\/td>\n<td><span style=\"font-weight: 400;\">D\u00e9bit de fuite d&#039;h\u00e9lium \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;\">Exemptions aux tests d&#039;impact :<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Lorsque le mat\u00e9riau n&#039;a pas chang\u00e9 et que la temp\u00e9rature de service est \u2265-10\u2103, le test d&#039;impact \u00e0 -20\u2103 peut \u00eatre exempt\u00e9 (un rapport d&#039;\u00e9valuation des risques est requis).<\/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=\"Maintenance des interfaces de soudage des pipelines et des vannes\" 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>Contenu principal\u00a0:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Soudage des joints endommag\u00e9s :<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">M\u00e9thode de r\u00e9paration<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Exigences du processus<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Types de d\u00e9fauts applicables<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Meulage et r\u00e9paration<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Perte d&#039;\u00e9paisseur de paroi \u226410% de l&#039;\u00e9paisseur d&#039;origine, transition douce (pente 1:4)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Pores et rayures de surface<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">R\u00e9paration par soudage<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Temp\u00e9rature de pr\u00e9chauffage \u2265 100\u2103, contr\u00f4le non destructif de la soudure (UT+RT)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Fissures internes (profondeur \u2265 2 mm)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Autres niveaux de finition\u00a0:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Grade<\/span><\/td>\n<td><span style=\"font-weight: 400;\">exigences de test<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Pression applicable (PN)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">\u0826A<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Inspection visuelle<\/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>Comparaison technique : normes de r\u00e9paration EN vs. ASME\/API<\/b><\/h3>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Dimensions<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Syst\u00e8me de normes EN<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Normes ASME\/API<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Principales diff\u00e9rences et impacts<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Proc\u00e9d\u00e9 de soudage<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 13480 (Traitement thermique obligatoire apr\u00e8s soudage, pr\u00e9chauffage \u2265 150 \u00b0C)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ASME B31.3 (Une exemption partielle du traitement thermique apr\u00e8s soudage est autoris\u00e9e)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Le proc\u00e9d\u00e9 EN est plus rigoureux et r\u00e9duit les contraintes r\u00e9siduelles, mais les heures de travail augmentent de 30%.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Couverture CND<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 12952 (Zone de r\u00e9paration 100% RT+UT)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">API 570 (\u00c9chantillonnage RT \u2265 20%)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Les tests EN co\u00fbtent 50% de plus, mais le taux de d\u00e9tection des d\u00e9fauts augmente de 40%.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Exemption de test d&#039;impact<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 13445 (Exemption de l&#039;\u00e9valuation des risques li\u00e9s aux conditions de travail)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ASME VIII-1 (Essai d&#039;impact obligatoire)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">La norme EN est plus flexible, tandis que les proc\u00e9dures ASME sont plus conservatrices.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">R\u00e9paration de soudure<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 10253 (perte d&#039;\u00e9paisseur de paroi \u2264 10% peut \u00eatre rectifi\u00e9e)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ASME B31.1 (la r\u00e9paration est autoris\u00e9e si la perte d&#039;\u00e9paisseur de paroi est \u2264 5%)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">La norme EN autorise une plus large gamme de r\u00e9parations, tandis que la norme ASME a des exigences plus strictes.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h1><b>normes de protection de l&#039;environnement et d&#039;efficacit\u00e9 \u00e9nerg\u00e9tique<\/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=\"Protection environnementale des vannes et protection environnementale des \u00e9missions des usines chimiques\" 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;\">R\u00e9duire la consommation d&#039;\u00e9nergie et la pollution environnementale des vannes et des \u00e9quipements associ\u00e9s afin de respecter les objectifs du Pacte vert pour l&#039;Europe et de r\u00e9duction des \u00e9missions de carbone.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Norme n\u00b0.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Nom standard<\/span><\/td>\n<td><span style=\"font-weight: 400;\">exigences en mati\u00e8re de technologies vertes<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 16247<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u00c9valuation de l&#039;efficacit\u00e9 \u00e9nerg\u00e9tique des vannes<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Mod\u00e8le de relation entre le coefficient de perte de charge Kv et la consommation d&#039;\u00e9nergie du syst\u00e8me<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 14394<\/span><\/td>\n<td><span style=\"font-weight: 400;\">faibles \u00e9missions fugitives<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Solution int\u00e9gr\u00e9e certifi\u00e9e TA-Luft (taux de fuite \u2264 50 ppm)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 45544<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Scellage pour milieux toxiques<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Sp\u00e9cifications de conception d&#039;une bo\u00eete \u00e0 garniture double pour milieu benz\u00e9nique<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 14015<\/span><\/td>\n<td><span style=\"font-weight: 400;\">soupape de respiration du r\u00e9servoir<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Exigences de conception structurelle pour une efficacit\u00e9 de r\u00e9cup\u00e9ration des COV \u2265 95%<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">Lien de certification : La r\u00e9ussite \u00e0 la norme EN 14394 permet d&#039;obtenir simultan\u00e9ment la certification ISO 15848-1<\/span><\/p>\n<h3><b>Audit \u00e9nerg\u00e9tique EN 16247<\/b><\/h3>\n<p><b>Exigences fondamentales :<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Indicateurs d&#039;\u00e9valuation de l&#039;efficacit\u00e9 \u00e9nerg\u00e9tique\u00a0:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Type de vanne<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Consommation \u00e9nerg\u00e9tique unitaire (kWh\/an\u00b7DN)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Cible d&#039;optimisation (%)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">vanne de r\u00e9gulation<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u22641500<\/span><\/td>\n<td><span style=\"font-weight: 400;\">R\u00e9duire de 15% \u00e0 30%<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">vanne d&#039;arr\u00eat<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u2264800<\/span><\/td>\n<td><span style=\"font-weight: 400;\">R\u00e9duire de 10% \u00e0 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;\">Processus d&#039;audit :<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Collecte de donn\u00e9es : Surveiller en continu la chute de pression de la vanne, le taux de fuite et la consommation d&#039;\u00e9nergie du moteur (au moins 30 jours).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Plan d&#039;am\u00e9lioration\u00a0: adopter une conception \u00e0 faible r\u00e9sistance et un algorithme de contr\u00f4le intelligent (tel que l&#039;optimisation PID).<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b>Applications industrielles<\/b><span style=\"font-weight: 400;\">: Transformation \u00e9conome en \u00e9nergie des vannes des syst\u00e8mes de vapeur dans les usines chimiques et optimisation de la liaison pompe-vanne dans les stations de traitement des eaux.<\/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>Caract\u00e9ristiques principales :<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Valeurs limites d&#039;\u00e9mission :<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">polluants<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Valeur limite (g\/kWh)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Conditions d&#039;essai (ISO 8178)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Oxydes d&#039;azote (NOx)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u22643,5<\/span><\/td>\n<td><span style=\"font-weight: 400;\">cycle de charge complet<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Mati\u00e8res particulaires (PM)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u22640,1<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u00c9tat stable<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Mesures techniques :<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Syst\u00e8me de post-traitement : SCR (R\u00e9duction Catalytique S\u00e9lective) ou DPF (Filtre \u00e0 Particules).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Optimisation du carburant : Utilisation de biodiesel (norme EN 14214).<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">\u200b\u200b<\/span><b>Applications typiques<\/b><span style=\"font-weight: 400;\">: Groupes hydrauliques mobiles (par exemple, \u00e9quipements de chargement et de d\u00e9chargement portuaires).<\/span><\/p>\n<h3><b>\u200b\u200bEN 45544 &#8220;Control of Air Pollutants in the Workplace&#8221;\u200b\u200b<\/b><\/h3>\n<p><b>Contenu principal\u00a0:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Limite de d\u00e9bit de fuite de la vanne (sc\u00e9nario de gaz toxique)\u00a0:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Type de m\u00e9dia<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Taux de fuite admissible (ppm)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">M\u00e9thodes de d\u00e9tection<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">sulfure d&#039;hydrog\u00e8ne (H\u2082S)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u22645<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Spectroscopie infrarouge (EN 45544-3)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Chlore (Cl\u2082)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u22641<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Capteurs \u00e9lectrochimiques<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Conception de protection :<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Structure \u00e0 double \u00e9tanch\u00e9it\u00e9 (soufflet + presse-\u00e9toupe).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Orifice d&#039;\u00e9vacuation de l&#039;extension de la tige (collecte directionnelle des gaz de fuite).<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b>Applications industrielles<\/b><span style=\"font-weight: 400;\">: Vannes de gaz naturel contenant du soufre dans les usines p\u00e9trochimiques, vannes de sortie pour \u00e9lectrolyseurs dans l&#039;industrie du chlore-alcali.<\/span><\/p>\n<h3><b>EN 14015 \u00ab Conception environnementale des r\u00e9servoirs de stockage \u00bb<\/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=\"Protection environnementale des r\u00e9servoirs\" 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>Exigences cl\u00e9s\u00a0:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Indicateurs de protection environnementale des vannes des r\u00e9servoirs de stockage\u00a0:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Projet<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Indice<\/span><\/td>\n<td><span style=\"font-weight: 400;\">M\u00e9thode d&#039;essai<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Compos\u00e9s organiques volatils (COV)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Taux de fuite \u2264500 ppm (d\u00e9tection 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;\">risque de pollution des eaux pluviales<\/span><\/td>\n<td><span style=\"font-weight: 400;\">DCO \u00e0 la sortie de la vanne \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;\">Mat\u00e9riaux et proc\u00e9d\u00e9 :<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Le bo\u00eetier de la soupape de respiration du r\u00e9servoir est en acier inoxydable (1.4404) ou rev\u00eatu de PTFE.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Des joints d&#039;\u00e9tanch\u00e9it\u00e9 nulle (EN 1514-1) sont utilis\u00e9s au niveau des raccords \u00e0 brides.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b>Sc\u00e9narios d&#039;application<\/b><span style=\"font-weight: 400;\">: Soupape de respiration des r\u00e9servoirs de stockage de p\u00e9trole brut, soupape de fond des r\u00e9servoirs de stockage de produits chimiques.<\/span><\/p>\n<h3><b>Comparaison technique : normes EN vs. normes ISO\/API<\/b><\/h3>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Dimensions<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Syst\u00e8me de normes EN<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Normes ISO\/API<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Principales diff\u00e9rences et impacts<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Audit d&#039;efficacit\u00e9 \u00e9nerg\u00e9tique<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 16247 (Indice quantitatif de consommation sp\u00e9cifique d&#039;\u00e9nergie)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ISO 50001 (Cadre de r\u00e9f\u00e9rence des syst\u00e8mes de management de l&#039;\u00e9nergie)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">La norme EN d\u00e9finit des limites sp\u00e9cifiques de consommation d&#039;\u00e9nergie et la norme ISO propose des m\u00e9thodes de gestion ; les deux sont compl\u00e9mentaires.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Contr\u00f4le des \u00e9missions<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 14394 (NOx\u22643,5 g\/kWh)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">API 536 (NOx\u22645,0 g\/kWh)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Les limites EN sont plus strictes et n\u00e9cessitent l&#039;installation d&#039;un syst\u00e8me de post-traitement (co\u00fbt +20%).<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Fuite de gaz toxique<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u200b\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;\">La limite EN est la moiti\u00e9 de la limite OSHA, ce qui exige un niveau d&#039;\u00e9tanch\u00e9it\u00e9 plus \u00e9lev\u00e9 (conception \u00e0 double joint).<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Protection de l&#039;environnement des r\u00e9servoirs de stockage<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u200b\u200bEN 14015\u200b\u200b(COV\u2264500ppm, DCO\u226450mg\/L)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">API 650 (pas de limite de COV, DCO \u2264 100 mg\/L)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Les exigences de protection de l&#039;environnement EN sont plus strictes et les vannes de r\u00e9servoir n\u00e9cessitent des conceptions sp\u00e9ciales (co\u00fbt +15%).<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p class=\"entry-title\"><strong>Pour plus d&#039;informations sur la norme EN, veuillez consulter notre site web.<a href=\"\/en-valve\/\">\u300aAnalyse compl\u00e8te des normes EN relatives aux vannes\u00a0: Guide essentiel des r\u00e9glementations techniques europ\u00e9ennes\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=\"Fabricant de vannes 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 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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\/fr_fr\/normes-de-vannes-en\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" 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