{"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":"padroes-de-valvulas-2","status":"publish","type":"post","link":"https:\/\/janhenvalve.com\/pt_br\/en-valve-standards\/","title":{"rendered":"An\u00e1lise panor\u00e2mica das normas EN para v\u00e1lvulas: Sistemas t\u00e9cnicos essenciais para acesso ao mercado da UE"},"content":{"rendered":"<h1><b>Projeto de funda\u00e7\u00f5es e limite de press\u00e3o<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-19571\" src=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/04\/ca5e344d405f4812c09e9284d5fe1dd.png\" alt=\"Projeto de funda\u00e7\u00f5es de v\u00e1lvulas, projeto de tubula\u00e7\u00f5es\" 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;\">Assegure-se de que a v\u00e1lvula suporte press\u00e3o, temperatura e cargas mec\u00e2nicas durante todo o seu ciclo de vida para evitar o risco de falhas.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">Padr\u00e3o n\u00ba.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Nome padr\u00e3o<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Escopo da tecnologia principal<\/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;\">C\u00e1lculo da resist\u00eancia da carca\u00e7a da v\u00e1lvula<\/span><\/td>\n<td><span style=\"font-weight: 400;\">F\u00f3rmula para espessura da parede, m\u00e9todo de verifica\u00e7\u00e3o de tens\u00e3o (com base na diretiva 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;\">comprimento da estrutura da v\u00e1lvula com extremidade flangeada<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Tabela comparativa de tamanhos das s\u00e9ries PN e Class, requisitos de rugosidade da superf\u00edcie de veda\u00e7\u00e3o do flange (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;\">Comprimento da estrutura da v\u00e1lvula tipo wafer<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Especifica\u00e7\u00f5es de design de perfil fino para v\u00e1lvulas borboleta\/v\u00e1lvulas de reten\u00e7\u00e3o<\/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;\">V\u00e1lvulas com extremidades roscadas\/para solda<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Regras de compatibilidade de rosca NPT e ISO 7-1, tipo de ranhura de soldagem (tipo V\/tipo U) e tratamento t\u00e9rmico p\u00f3s-soldagem (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\u00e9rios de aceita\u00e7\u00e3o para ensaios n\u00e3o destrutivos (END)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Limites de aceita\u00e7\u00e3o de defeitos (RT\/UT\/MT), processo de inspe\u00e7\u00e3o e regras de julgamento para pe\u00e7as fundidas\/soldas<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">Impacto na ind\u00fastria: A Diretiva PED da UE (2014\/68\/UE) exige conformidade com a 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=\"resist\u00eancia da carca\u00e7a da v\u00e1lvula, massa da carca\u00e7a, espessura da carca\u00e7a\" 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>Principais \u00e1reas tecnol\u00f3gicas:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">F\u00f3rmula para c\u00e1lculo da espessura da parede:<\/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;\">Press\u00e3o de projeto (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;\">Di\u00e2metro interno do corpo da v\u00e1lvula (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;\">Tens\u00e3o admiss\u00edvel do material (N\/mm\u00b2, consulte 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;\">Margem de corros\u00e3o (\u22651,5 mm; para meios qu\u00edmicos, essa margem deve ser aumentada para 3 mm)<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Em compara\u00e7\u00e3o com a norma ASME B16.34: A norma EN possui requisitos mais rigorosos quanto ao fator de concentra\u00e7\u00e3o de tens\u00e3o em corpos de v\u00e1lvulas soldados (limitado a menos de 1,2 vezes).<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">M\u00e9todo de verifica\u00e7\u00e3o:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">An\u00e1lise de Elementos Finitos (FEA): Os crit\u00e9rios de colapso pl\u00e1stico da norma EN 13445-3 devem ser atendidos.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Teste de press\u00e3o de ruptura: Press\u00e3o de ruptura medida \u2265 4 vezes a press\u00e3o de projeto (aplic\u00e1vel a v\u00e1lvulas de alta press\u00e3o de classe 900 e superiores).<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b>Cen\u00e1rios de aplica\u00e7\u00e3o:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ind\u00fastria petroqu\u00edmica: V\u00e1lvula de entrada do reator de hidrogena\u00e7\u00e3o (press\u00e3o de projeto 420 bar, material a\u00e7o P91, S=145 N\/mm\u00b2).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Armazenamento e transporte de GNL: v\u00e1lvula de parada criog\u00eanica (-196\u2103, material ASTM A351 CF8M, fator de corre\u00e7\u00e3o S \u00d7 0,7).<\/span><\/li>\n<\/ul>\n<p><b>PERGUNTAS FREQUENTES:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">P: Como lidar com a diferen\u00e7a na espessura da parede entre as normas EN 12516-1 e ASME B16.34?<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">A: As v\u00e1lvulas ASME exportadas para a UE precisam ter a espessura da parede recalculada, geralmente sendo necess\u00e1rio aument\u00e1-la em 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>Principais \u00e1reas tecnol\u00f3gicas:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Defini\u00e7\u00e3o de s\u00e9rie dimensional:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">N\u00edvel de press\u00e3o<\/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;\">Comprimento da estrutura<\/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;\">(Tomemos como exemplo uma v\u00e1lvula de gaveta DN50; o erro permitido \u00e9 de \u00b11,5 mm)<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Regras de compatibilidade:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Convers\u00e3o do padr\u00e3o americano para o padr\u00e3o europeu: o flange de classe 150 corresponde ao PN20, mas o espa\u00e7amento dos furos dos parafusos precisa ser ajustado de acordo com a norma EN 1092-1.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Correspond\u00eancia da superf\u00edcie de veda\u00e7\u00e3o: O requisito de rugosidade Ra 3,2\u03bcm do flange EN \u00e9 incompat\u00edvel com o Ra 6,3\u03bcm da norma ASME B16.5 e precisa ser reprocessado.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b>Armadilhas de design:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Exemplo de incompatibilidade: Um fabricante instalou \u00e0 for\u00e7a um corpo de v\u00e1lvula Classe 300 (comprimento estrutural de 241 mm) em um tubo PN40 (comprimento estrutural de 189 mm), causando o desalinhamento dos parafusos do flange.<\/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=\"V\u00e1lvula borboleta tipo wafer\" width=\"2000\" height=\"800\" srcset=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/08f6f32cd386a9859d736ad82081573.png 2000w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/08f6f32cd386a9859d736ad82081573-768x307.png 768w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/08f6f32cd386a9859d736ad82081573-1536x614.png 1536w\" sizes=\"auto, (max-width: 2000px) 100vw, 2000px\" \/><figcaption id=\"caption-attachment-19574\" class=\"wp-caption-text\"><a href=\"\/clamp-butterfly-valve\/\">V\u00e1lvula borboleta JH-Wafer<\/a><\/figcaption><\/figure>\n<p><b>Principais \u00e1reas tecnol\u00f3gicas:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Especifica\u00e7\u00f5es do design fino:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Tipo de v\u00e1lvula<\/span><\/td>\n<td><span style=\"font-weight: 400;\">V\u00e1lvula borboleta tipo wafer<\/span><\/td>\n<td><span style=\"font-weight: 400;\">V\u00e1lvula de reten\u00e7\u00e3o tipo wafer<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Comprimento da estrutura 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;\">(Em compara\u00e7\u00e3o com a v\u00e1lvula borboleta flangeada, ela \u00e9 mais curta em 40%)<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00e1lculo da pr\u00e9-carga do parafuso:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">f\u00f3rmula:<\/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;\">Resist\u00eancia ao escoamento do parafuso (ex: 640 N\/mm\u00b2 para parafusos 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;\">\u00c1rea da se\u00e7\u00e3o transversal de tens\u00e3o do parafuso<\/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;\">: fator de seguran\u00e7a (\u22651,5)<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b>Aplica\u00e7\u00f5es industriais:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Cen\u00e1rios com restri\u00e7\u00e3o de espa\u00e7o: tubula\u00e7\u00f5es da sala de m\u00e1quinas de navios, plantas qu\u00edmicas modulares.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Caso de falha: Devido \u00e0 for\u00e7a insuficiente de pr\u00e9-aperto do parafuso, uma v\u00e1lvula borboleta tipo wafer para uso mar\u00edtimo se soltou em um ambiente vibrat\u00f3rio, resultando em vazamento do fluido.<\/span><\/p>\n<h3><b>EN 12516-4 &#8220;Threaded\/welded end valves&#8221;\u200b\u200b<\/b><\/h3>\n<p><b>Principais \u00e1reas tecnol\u00f3gicas:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Compatibilidade de threads:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Padr\u00e3o de rosca<\/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\u00e9todo de veda\u00e7\u00e3o<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Rosca c\u00f4nica + fita de veda\u00e7\u00e3o<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Veda\u00e7\u00e3o de contato met\u00e1lica com rosca c\u00f4nica<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Press\u00e3o aplic\u00e1vel<\/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;\">Projeto da extremidade de soldagem:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Tipo de ranhura: A ranhura em V (EN ISO 9692-1) \u00e9 adequada para espessuras de parede \u2264 20 mm, a ranhura em U \u00e9 utilizada para v\u00e1lvulas de paredes espessas.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Controle de tens\u00f5es residuais: O tratamento t\u00e9rmico p\u00f3s-soldagem (PWHT) \u00e9 necess\u00e1rio para aliviar as tens\u00f5es (norma EN 12952).<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b>Perguntas t\u00edpicas:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">P: As v\u00e1lvulas com rosca NPT podem ser usadas diretamente em tubos EN?<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">A: \u00c9 necess\u00e1rio um conector de convers\u00e3o (rosca EN 10226 para NPT), caso contr\u00e1rio, pode ocorrer vazamento devido \u00e0 diferen\u00e7a no passo da rosca.<\/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;\">Inspe\u00e7\u00e3o de fundi\u00e7\u00e3o:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Teste radiogr\u00e1fico (RT): De acordo com a norma EN 12681-2, o di\u00e2metro dos poros \u00e9 \u2264 2 mm e n\u00e3o superior a 5 por 100 cm\u00b2.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Ensaio por part\u00edculas magn\u00e9ticas (MT): Comprimento da fissura \u2264 5 mm, defeitos lineares n\u00e3o s\u00e3o permitidos.<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Inspe\u00e7\u00e3o de solda:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Ensaio ultrass\u00f4nico (UT): De acordo com a norma EN ISO 11666, a altura do eco do defeito \u00e9 \u2264 20% curva DAC.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Custos de conformidade: Os testes NDT representam de 8% a 12% dos custos de fabrica\u00e7\u00e3o de v\u00e1lvulas.<\/span><\/p>\n<h3><b>Compara\u00e7\u00e3o t\u00e9cnica: sistema de normas EN vs. ASME\/API<\/b><\/h3>\n<table>\n<tbody>\n<tr>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Dimens\u00f5es<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Normas EN<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Normas ASME<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Principais diferen\u00e7as e impactos<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Par\u00e2metros de projeto<\/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;\">A norma EN \u00e9 mais conservadora: a PED exige um fator de seguran\u00e7a mais elevado e an\u00e1lise FEA obrigat\u00f3ria.<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Classifica\u00e7\u00e3o de press\u00e3o<\/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 aulas (150~2500)<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Conflito de convers\u00e3o: Classe 150 \u2248 PN20, mas as dimens\u00f5es do flange s\u00e3o incompat\u00edveis (EN 1092-1 vs. ASME B16.5).<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Especifica\u00e7\u00f5es de projeto estrutural<\/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;\">A norma EN \u00e9 mais rigorosa: o fator de concentra\u00e7\u00e3o de tens\u00e3o na extremidade da solda \u00e9 limitado a \u22641,2 (a ASME permite \u22641,5).<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Certifica\u00e7\u00e3o de Materiais<\/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;\">Requisitos de teste<\/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;\">O custo da norma EN \u00e9 maior: cobertura de END \u2265 80%, enquanto a norma ASME se aplica apenas a verifica\u00e7\u00f5es pontuais.<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">M\u00e9todos de teste<\/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;\">O m\u00e9todo EN possui maior precis\u00e3o: a sensibilidade de detec\u00e7\u00e3o de h\u00e9lio atinge 10\u207b\u2076 mbar\u00b7l\/s, enquanto o m\u00e9todo ASME atinge apenas o n\u00edvel de 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;\">A norma EN possui limites mais rigorosos para a densidade de defeitos (a norma ASME B16.34 permite um di\u00e2metro de poro \u00fanico de \u22643mm).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">A norma EN exige que o relat\u00f3rio de ensaio esteja em conformidade com o formato de certificado EN 10204 3.1 (a ASME n\u00e3o possui requisitos de formato obrigat\u00f3rios).<\/span><\/li>\n<\/ul>\n<h1><b>Testes de desempenho e controle de vazamentos<\/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=\"Testes de desempenho e controle de vazamentos\" 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;\">Verificar a veda\u00e7\u00e3o, a durabilidade e o desempenho de seguran\u00e7a das v\u00e1lvulas em condi\u00e7\u00f5es extremas de trabalho para garantir a conformidade com os requisitos de prote\u00e7\u00e3o ambiental, como a Diretiva PED (2014\/68\/UE) e a TA-Luft (Norma de Controle da Polui\u00e7\u00e3o do Ar).<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Padr\u00e3o n\u00ba.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Nome padr\u00e3o<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Defini\u00e7\u00e3o do n\u00edvel de teste<\/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;\">Teste de press\u00e3o de v\u00e1lvulas industriais<\/span><\/td>\n<td><span style=\"font-weight: 400;\">N\u00edvel A (detec\u00e7\u00e3o visual) ao N\u00edvel T (detec\u00e7\u00e3o por espectrometria de massa de h\u00e9lio)<\/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;\">Requisitos suplementares do procedimento de teste<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Incluindo teste de baixa temperatura (-196\u2103), m\u00e9todo de teste de meio particulado<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 13646<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Teste de desempenho da v\u00e1lvula solenoide<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Tempo de resposta \u22645ms, verificado em 1 milh\u00e3o de ciclos de vida.<\/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;\">Teste de atuador el\u00e9trico<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Prote\u00e7\u00e3o contra sobrecarga (1,5 vezes o torque), tempo de desligamento de emerg\u00eancia \u2264 3s, grau de prote\u00e7\u00e3o 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;\">Teste do ciclo do atuador<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Pelo menos 10.000 ciclos de abertura e fechamento sem falhas.<\/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;\">Teste de baixa vaz\u00e3o da v\u00e1lvula<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Grau AH (\u226410\u207b\u2076 mbar\u00b7l\/s), grau BH (\u226410\u207b\u2074), grau CH (\u226410\u207b\u00b2)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">TA-Luft\u200b\u200b<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Padr\u00f5es de Controle da Polui\u00e7\u00e3o do Ar<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Taxa de vazamento de VOC \u2264500ppm (detec\u00e7\u00e3o por imagem infravermelha)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">Especifica\u00e7\u00f5es principais: Taxa de vazamento do n\u00edvel T, conforme EN 12266-1, \u2264 10\u207b\u2076 mbar\u00b7l\/s (equivalente ao n\u00edvel AH da ISO 15848)<\/span><\/p>\n<h3><b>\u00a0EN 12266-1 &#8220;Industrial valve pressure test&#8221;<\/b><\/h3>\n<p><b>Principais \u00e1reas tecnol\u00f3gicas:<\/b><\/p>\n<p><span style=\"font-weight: 400;\">1. Classifica\u00e7\u00e3o do teste e limite da taxa de vazamento:<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Nota<\/span><\/td>\n<td><span style=\"font-weight: 400;\">M\u00e9todos de detec\u00e7\u00e3o<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Taxa de vazamento admiss\u00edvel (teste de press\u00e3o da \u00e1gua)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Cen\u00e1rios aplic\u00e1veis<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">A<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Inspe\u00e7\u00e3o visual<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Sem vazamentos vis\u00edveis<\/span><\/td>\n<td><span style=\"font-weight: 400;\">V\u00e1lvula convencional de baixa press\u00e3o (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\u00e9todo de absor\u00e7\u00e3o de toalhas de papel<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u22640,1\u00d7DN (ml\/min)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">V\u00e1lvula de press\u00e3o para meio qu\u00edmico (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\u00e9todo de coleta de copo medidor<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u22640,01\u00d7DN (ml\/min)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">V\u00e1lvula de alta press\u00e3o (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;\">Detec\u00e7\u00e3o por espectr\u00f4metro de massa de h\u00e9lio<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u226410\u207b\u2076 mbar\u00b7l\/s<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Energia nuclear, v\u00e1lvulas de ultra-alta press\u00e3o para GNL<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">2.\u200b\u200bPress\u00e3o de teste e tempo de reten\u00e7\u00e3o\u200b\u200b:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Teste de resist\u00eancia da carca\u00e7a: 1,5\u00d7 a press\u00e3o de projeto (temperatura normal), manuten\u00e7\u00e3o da press\u00e3o \u2265 2 minutos (verificar deforma\u00e7\u00f5es permanentes ou fissuras).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Teste de veda\u00e7\u00e3o: 1,1\u00d7 a press\u00e3o de projeto (incluindo condi\u00e7\u00f5es de alta\/baixa temperatura), manter a press\u00e3o por \u2265 1 minuto (para verificar vazamentos na superf\u00edcie de veda\u00e7\u00e3o).<\/span><\/li>\n<\/ul>\n<p><b>Aplica\u00e7\u00f5es industriais:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">V\u00e1lvulas de energia nuclear: A v\u00e1lvula principal de isolamento de vapor deve passar no teste de h\u00e9lio de n\u00edvel D (taxa de vazamento \u2264 1\u00d710\u207b\u2077 mbar\u00b7l\/s).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">V\u00e1lvula criog\u00eanica para GNL: Teste de veda\u00e7\u00e3o ap\u00f3s imers\u00e3o em nitrog\u00eanio l\u00edquido a -196\u00b0C (a contra\u00e7\u00e3o do material deve ser \u22640,2%).<\/span><\/li>\n<\/ul>\n<p><b>Mal-entendidos comuns:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Erro: Equiparar a taxa de vazamento da API 598 \u00e0 norma EN (a API permite uma taxa de vazamento maior).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Corre\u00e7\u00e3o: EN 12266-1 Classe D \u2248 ISO 15848 Classe AH, mas a EN exige uma faixa de temperatura de teste mais ampla (-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>Requisitos especiais de teste:<\/b><\/p>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Teste de baixa temperatura:<\/span><\/li>\n<\/ol>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">M\u00e9todo de imers\u00e3o em nitrog\u00eanio l\u00edquido: A v\u00e1lvula \u00e9 congelada a -196\u00b0C por 24 horas e, em seguida, aberta e fechada para verificar a fragilidade do material e o desempenho da veda\u00e7\u00e3o.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Corre\u00e7\u00e3o da taxa de vazamento em baixas temperaturas: O limite da taxa de vazamento precisa ser multiplicado pelo fator de corre\u00e7\u00e3o de temperatura (por exemplo, \u00d7 1,2 a -50\u00b0C).<\/span><\/li>\n<\/ul>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Teste de alta temperatura:<\/span><\/li>\n<\/ol>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Teste de flu\u00eancia em alta temperatura: A v\u00e1lvula \u00e9 pressurizada continuamente a 300\u00b0C durante 48 horas, e a quantidade de flu\u00eancia da superf\u00edcie de veda\u00e7\u00e3o \u00e9 verificada (deve ser \u22640,05 mm).<\/span><\/li>\n<\/ul>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Teste de vida \u00fatil do ciclo:<\/span><\/li>\n<\/ol>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Requisitos de hor\u00e1rio de abertura e fechamento:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Tipo de v\u00e1lvula<\/span><\/td>\n<td><span style=\"font-weight: 400;\">N\u00famero m\u00ednimo de ciclos<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Valor de relaxamento admiss\u00edvel da taxa de vazamento<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">V\u00e1lvula de parada<\/span><\/td>\n<td><span style=\"font-weight: 400;\">5000 vezes<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u22641,5\u00d7limite original<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">V\u00e1lvula de esfera<\/span><\/td>\n<td><span style=\"font-weight: 400;\">10.000 vezes<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u22642,0\u00d7limite original<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><b>EN 13646 \u300aTeste de atuador el\u00e9trico\u300b\u200b\u200b<\/b><\/h3>\n<p><b>Principais itens de teste e requisitos t\u00e9cnicos\u200b\u200b<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Tempo de resposta:<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">A velocidade de abertura e fechamento da v\u00e1lvula solenoide afeta diretamente a precis\u00e3o do controle do sistema. Requisitos padr\u00e3o:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Tempo de abertura \u22645ms (do momento em que a energia \u00e9 ligada at\u00e9 o n\u00facleo da v\u00e1lvula estar totalmente aberto)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Tempo de fechamento \u22648ms (do desligamento at\u00e9 o n\u00facleo da v\u00e1lvula estar totalmente fechado)<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><i><span style=\"font-weight: 400;\">M\u00e9todo de teste<\/span><\/i> <span style=\"font-weight: 400;\">Utilize um oscilosc\u00f3pio de alta velocidade para capturar o sinal atual e a curva de deslocamento do n\u00facleo da v\u00e1lvula, e elimine interfer\u00eancias de atraso do sinal (como a resist\u00eancia do cabo).<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Vida \u00fatil em ciclos versus taxa de vazamento:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Condi\u00e7\u00f5es de teste<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Requisitos de par\u00e2metros<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Press\u00e3o m\u00e9dia<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u22651,5\u00d7press\u00e3o de projeto (condi\u00e7\u00e3o de sobrecarga simulada)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Frequ\u00eancia do ciclo<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u226510Hz (teste de fadiga de abertura e fechamento de alta frequ\u00eancia)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Taxa de vazamento ap\u00f3s 1 milh\u00e3o de vezes<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u22640,1\u00d7DN (monitoramento em tempo real sob condi\u00e7\u00f5es din\u00e2micas)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><b>Adaptabilidade a ambientes extremos<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Teste de choque t\u00e9rmico:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Alternar rapidamente entre -40\u2103 (congelamento por 2 horas) e +150\u2103 (cozimento por 2 horas) por 10 ciclos.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Desvio de desempenho admiss\u00edvel: varia\u00e7\u00e3o do tempo de resposta \u2264 10%, resist\u00eancia de isolamento da bobina \u2265 100M\u03a9.<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Teste de vibra\u00e7\u00e3o:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Tipo de vibra\u00e7\u00e3o<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Faixa de frequ\u00eancia<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Acelera\u00e7\u00e3o<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Dura\u00e7\u00e3o<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Vibra\u00e7\u00e3o aleat\u00f3ria<\/span><\/td>\n<td><span style=\"font-weight: 400;\">20Hz~2000Hz<\/span><\/td>\n<td><span style=\"font-weight: 400;\">10g RMS<\/span><\/td>\n<td><span style=\"font-weight: 400;\">2 horas por eixo<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><b>EN 15714-3 &#8220;Electric Actuator Test&#8221;<\/b><\/h3>\n<p><b>Principais itens de teste:<\/b><\/p>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Teste de prote\u00e7\u00e3o contra sobrecarga: O atuador n\u00e3o deve sofrer danos ao operar com 1,5 vezes o torque nominal durante 10 minutos.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Tempo de desligamento de emerg\u00eancia: O tempo desde o acionamento do sinal at\u00e9 a posi\u00e7\u00e3o totalmente fechada \u00e9 de \u22643 segundos (as v\u00e1lvulas de usinas nucleares requerem \u22641 segundo).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Verifica\u00e7\u00e3o de veda\u00e7\u00e3o: O n\u00edvel de prote\u00e7\u00e3o da carca\u00e7a do atuador \u00e9 \u2265IP67 (sem vazamentos ap\u00f3s imers\u00e3o em \u00e1gua a 1 metro por 30 minutos).<\/span><\/li>\n<\/ol>\n<h3><b>EN 15714-4 &#8221; <\/b><b>Teste c\u00edclico do atuador<\/b><b> &#8220;<\/b><\/h3>\n<p><b>Processo de teste e crit\u00e9rios de aceita\u00e7\u00e3o<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Calibra\u00e7\u00e3o pr\u00e9-teste:<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">Execute o atuador sem carga 10 vezes e registre os par\u00e2metros de refer\u00eancia (como tempo de abertura e fechamento, curva de torque) para garantir que o estado inicial do atuador seja consistente.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Teste de ciclo de carga:<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Tipo de carga<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Requisitos de teste<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Indicadores de aceita\u00e7\u00e3o<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Simula\u00e7\u00e3o de carga real<\/span><\/td>\n<td><span style=\"font-weight: 400;\">25%~100% varia\u00e7\u00e3o din\u00e2mica do torque nominal<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ap\u00f3s 10.000 ciclos, a taxa de vazamento \u00e9 \u2264 2 vezes o valor inicial.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Carga limite<\/span><\/td>\n<td><span style=\"font-weight: 400;\">1,5 vezes o torque nominal em opera\u00e7\u00e3o cont\u00ednua 50 vezes<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Profundidade de desgaste da engrenagem \u2264 0,1 mm, sem deforma\u00e7\u00e3o pl\u00e1stica.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">Aplica\u00e7\u00e3o industrial: Durante o teste, a taxa de vazamento do atuador de uma v\u00e1lvula de controle em uma planta qu\u00edmica excedeu o padr\u00e3o devido ao envelhecimento do anel de veda\u00e7\u00e3o. Solu\u00e7\u00e3o: Utilizar anel de veda\u00e7\u00e3o de fluoroborracha (resist\u00eancia \u00e0 corros\u00e3o triplicada).<\/span><\/p>\n<p><b>Testes Ambientais e An\u00e1lise de Falhas\u200b\u200b<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Teste de ciclo de alta e baixa temperatura:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Doen\u00e7a<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Par\u00e2metro<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Desvio de desempenho permitido<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Alta temperatura<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Executar 500 repeti\u00e7\u00f5es a +85\u2103<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Taxa de vazamento \u2264 3 vezes o valor inicial<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Baixa temperatura<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Executar 500 testes a -40\u00b0C<\/span><\/td>\n<td><span style=\"font-weight: 400;\">A veda\u00e7\u00e3o n\u00e3o apresenta rachaduras e a flutua\u00e7\u00e3o da for\u00e7a de abertura e fechamento \u00e9 \u226420%.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">Problema t\u00edpico: A graxa solidifica em baixas temperaturas, fazendo com que a engrenagem trave. Plano de melhoria: Use graxa totalmente sint\u00e9tica para baixas temperaturas (aplic\u00e1vel de -60 \u00b0C a +150 \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=\"Teste de baixa vaz\u00e3o da v\u00e1lvula\" 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>Divis\u00e3o por n\u00edveis:<\/b><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Nota<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Taxa de vazamento permitida (ml\/min)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">M\u00eddias aplic\u00e1veis<\/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;\">Hidrog\u00eanio, metano<\/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;\">Vapor, Nitrog\u00eanio<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">N\u00edvel CH<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u226410\u207b\u00b2<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u00c1gua, l\u00edquidos n\u00e3o perigosos<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><b>Em compara\u00e7\u00e3o com as normas EN:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Diferen\u00e7as nas condi\u00e7\u00f5es de teste: a norma ISO 15848 exige a simula\u00e7\u00e3o de condi\u00e7\u00f5es din\u00e2micas (teste durante a abertura e o fechamento da v\u00e1lvula), enquanto a norma EN 12266-1 realiza apenas um teste est\u00e1tico.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Prioridade de certifica\u00e7\u00e3o: As v\u00e1lvulas de hidrog\u00eanio exportadas para a Europa devem atender \u00e0s normas EN 12266-1 (Classe D) e ISO 15848 (Classe AH).<\/span><\/li>\n<\/ul>\n<h3><b>TA-Luft (Padr\u00e3o de Controle de Polui\u00e7\u00e3o do Ar)<\/b><\/h3>\n<p><b>(Rela\u00e7\u00e3o obrigat\u00f3ria cooperativa e paralela)<\/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=\"Polui\u00e7\u00e3o do ar proveniente de f\u00e1bricas qu\u00edmicas\" 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>Requisitos de limite de vazamento:<\/b><\/li>\n<\/ul>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">V\u00e1lvulas para VOC (Compostos Org\u00e2nicos Vol\u00e1teis): Taxa de vazamento \u2264 500 ppm (10 vezes mais rigorosa que a norma EN 12266-1).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">M\u00e9todo de detec\u00e7\u00e3o:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">M\u00e9todo de imagem infravermelha: detecta vazamentos de gases residuais (sensibilidade de at\u00e9 1 ppm).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">M\u00e9todo da bolha de sab\u00e3o: Apenas para triagem preliminar (n\u00e3o adequado para an\u00e1lise quantitativa).<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b>Pontos de projeto de conformidade:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Estrutura de veda\u00e7\u00e3o dupla: como fole + gaxeta de grafite (taxa de vazamento \u226450ppm).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Sele\u00e7\u00e3o de materiais: A superf\u00edcie de veda\u00e7\u00e3o deve ser feita de carboneto de tungst\u00eanio ou cer\u00e2mica (para evitar a decomposi\u00e7\u00e3o de materiais polim\u00e9ricos em altas temperaturas).<\/span><\/li>\n<\/ul>\n<h3><b>Compara\u00e7\u00e3o t\u00e9cnica: projeto b\u00e1sico padr\u00e3o EN vs. ASME\/API<\/b><\/h3>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Dimens\u00f5es<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Sistema de normas EN<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Normas ASME\/API<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Principais diferen\u00e7as e impacto das novas normas<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Classifica\u00e7\u00e3o da taxa de vazamento<\/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 (Grau I a IV)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Nova norma TA-Luft: 10 vezes mais rigorosa que a EN 12266-1, exige testes de imagem infravermelha.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">ISO 15848: Classifica\u00e7\u00e3o da taxa de vazamento din\u00e2mico (Classe AH \u2248 Classe D da EN).<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Teste de baixa temperatura<\/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;\">Apenas o teste de baixa temperatura de -46\u2103 \u00e9 necess\u00e1rio (ASME B16.34)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">A norma EN \u00e9 mais rigorosa: as v\u00e1lvulas de GNL devem passar no teste de nitrog\u00eanio l\u00edquido EN 12266-2, enquanto a ASME n\u00e3o possui requisitos semelhantes.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Teste de atuadores<\/span><\/td>\n<td><span style=\"font-weight: 400;\">-\u200b \u200bEN 15714-3\u200b \u200b(Teste funcional de atuadores el\u00e9tricos)<\/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 (somente opera\u00e7\u00e3o manual)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">A norma EN \u00e9 mais abrangente: cobre a prote\u00e7\u00e3o contra sobrecarga e o ciclo de vida de atuadores el\u00e9tricos\/pneum\u00e1ticos (a ASME n\u00e3o possui uma norma correspondente).<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Equipamentos de teste<\/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\u00e9todo da bolha de sab\u00e3o ou m\u00e9todo do copo medidor (API 598)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">O custo do EN \u00e9 maior: o investimento em equipamentos de inspe\u00e7\u00e3o de h\u00e9lio + c\u00e2mera infravermelha representa de 40% a 60% do custo.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Requisitos de teste din\u00e2micos<\/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;\">A API 6D requer testes de ciclo din\u00e2mico.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">A norma EN baseia-se na ISO: as normas EN n\u00e3o incluem testes din\u00e2micos e precisam ser complementadas pela ISO 15848-1.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">EN 13646: Requisitos espec\u00edficos para a resposta din\u00e2mica de v\u00e1lvulas solenoides.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h1><b>\u00a0Especifica\u00e7\u00f5es de materiais e processos<\/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=\"Materiais e t\u00e9cnicas de instala\u00e7\u00e3o de v\u00e1lvulas\" 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 a resist\u00eancia do material da v\u00e1lvula, a resist\u00eancia \u00e0 corros\u00e3o e a conformidade com o processo para atender aos requisitos de seguran\u00e7a durante todo o ciclo de vida.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Padr\u00e3o n\u00ba.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Nome padr\u00e3o<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Requisitos t\u00e9cnicos do material<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 10213<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Fundi\u00e7\u00e3o de a\u00e7o sob press\u00e3o<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Abrangendo materiais para energia nuclear, como GP240GH, 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;\">Condi\u00e7\u00f5es t\u00e9cnicas para pe\u00e7as forjadas em a\u00e7o<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Processo de tratamento t\u00e9rmico para materiais de alta resist\u00eancia, como P265GH e 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;\">Especifica\u00e7\u00f5es de sele\u00e7\u00e3o de a\u00e7o inoxid\u00e1vel<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Guia de cen\u00e1rios de resist\u00eancia \u00e0 corros\u00e3o para 1.4404 (316L) e 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;\">Sistema de certifica\u00e7\u00e3o de materiais<\/span><\/td>\n<td><span style=\"font-weight: 400;\">3.1\/3.2 Validade legal dos certificados na certifica\u00e7\u00e3o PED<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">Requisitos especiais: EN 10213-4 Energia de impacto Charpy para materiais de baixa temperatura (-196\u2103) \u2265 40J<\/span><\/p>\n<h3><b>3.1 EN 10213 &#8220;Steel Castings for Pressure&#8221;<\/b><\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-19584\" src=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/ab7e680b26af67b5951d1ee5502ce9b.png\" alt=\"V\u00e1lvula de fundi\u00e7\u00e3o\" 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>Principais \u00e1reas tecnol\u00f3gicas:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Grau de qualidade do material:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Marca<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Resist\u00eancia \u00e0 tra\u00e7\u00e3o (MPa)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Cen\u00e1rios aplic\u00e1veis<\/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;\">V\u00e1lvula de baixa press\u00e3o (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;\">V\u00e1lvula de m\u00e9dia press\u00e3o (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;\">V\u00e1lvulas para alta temperatura e alta press\u00e3o (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;\">Requisitos do processo de fundi\u00e7\u00e3o:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Espessura m\u00ednima da parede \u22658mm (para evitar defeitos de retra\u00e7\u00e3o).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Limite de soldagem de reparo: A mesma \u00e1rea pode ser reparada \u2264 2 vezes, e o teste UT deve ser realizado de acordo com a norma EN 1291.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b>Aplica\u00e7\u00f5es industriais:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">V\u00e1lvulas para sistemas de \u00e1gua: o modelo GP240GH \u00e9 utilizado em carca\u00e7as de v\u00e1lvulas borboleta em esta\u00e7\u00f5es de tratamento de \u00e1gua.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">V\u00e1lvula principal de vapor de usina termel\u00e9trica: O a\u00e7o G17CrMo5-5 possui resist\u00eancia a temperaturas de at\u00e9 540\u00b0C e excelente resist\u00eancia \u00e0 flu\u00eancia.<\/span><\/li>\n<\/ul>\n<p><b>PERGUNTAS FREQUENTES:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Tratamento de defeitos: Pe\u00e7as fundidas com di\u00e2metro de poro superior a 2 mm devem ser descartadas, sendo proibidos o esmerilhamento e o preenchimento.<\/span><\/li>\n<\/ul>\n<h3><b>EN 10222 &#8220;Pressure Forgings &#8220;<\/b><\/h3>\n<p><b>Principais \u00e1reas tecnol\u00f3gicas:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Grau de forjamento:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Nota<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Requisitos de teste<\/span><\/td>\n<td><span style=\"font-weight: 400;\">N\u00edvel de press\u00e3o aplic\u00e1vel<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Classe 1<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Sem END<\/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;\">Teste de impacto adicional<\/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;\">Especifica\u00e7\u00f5es do tratamento t\u00e9rmico:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Normaliza\u00e7\u00e3o + revenimento (aplic\u00e1vel a a\u00e7o C-Mn, dureza \u2264 250HB).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">T\u00eampera e revenido (aplic\u00e1vel a a\u00e7os-liga com dureza \u2264300HB).<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b>Cen\u00e1rios de aplica\u00e7\u00e3o:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">V\u00e1lvulas de Ultra-Alta Press\u00e3o: Forjados de Classe 4 s\u00e3o usados \u200b\u200bpara os corpos das v\u00e1lvulas do reator de hidrogena\u00e7\u00e3o PN400.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Requisitos de impacto a baixas temperaturas: Energia de impacto \u2265 40J a -46\u2103 (requisito obrigat\u00f3rio para v\u00e1lvulas de 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=\"Material da v\u00e1lvula: chapa de a\u00e7o inoxid\u00e1vel\" 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>Principais \u00e1reas tecnol\u00f3gicas:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Classifica\u00e7\u00e3o de resist\u00eancia \u00e0 corros\u00e3o:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Marca<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Valor PREN (equivalente \u00e0 resist\u00eancia \u00e0 corros\u00e3o por pite)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">M\u00eddias aplic\u00e1veis<\/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;\">\u00c1cido fraco, \u00e1gua do mar (Cl\u207b\u2264200ppm)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">1,4539 (904L)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u226545<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u00c1cido forte, meio contendo 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;\">Tratamento de superf\u00edcie:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Polimento eletrol\u00edtico (Ra\u22640,8\u03bcm, para v\u00e1lvulas de grau aliment\u00edcio).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Decapagem e passiva\u00e7\u00e3o (remo\u00e7\u00e3o da camada de \u00f3xido e melhoria da resist\u00eancia \u00e0 corros\u00e3o).<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b>Caso de falha:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">A v\u00e1lvula de esfera de a\u00e7o inoxid\u00e1vel 316L em uma f\u00e1brica de produtos qu\u00edmicos sofreu corros\u00e3o sob tens\u00e3o induzida por cloreto (Cl\u207b), problema que foi resolvido ap\u00f3s sua substitui\u00e7\u00e3o por uma v\u00e1lvula de a\u00e7o inoxid\u00e1vel 1.4529 (a\u00e7o super duplex).<\/span><\/li>\n<\/ul>\n<h3><b>EN 10204\u300aTipos de Certifica\u00e7\u00e3o de Materiais\u300b\u200b\u200b<\/b><\/h3>\n<p><b>Requisitos Essenciais:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">N\u00edvel de certifica\u00e7\u00e3o:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Tipo de certificado<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Festa de Teste<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Cen\u00e1rios aplic\u00e1veis<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">3.1<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Autoinspe\u00e7\u00e3o de Sider\u00fargicas<\/span><\/td>\n<td><span style=\"font-weight: 400;\">V\u00e1lvulas industriais convencionais<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">3.2<\/span><\/td>\n<td><span style=\"font-weight: 400;\">laborat\u00f3rio terceirizado<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Energia nuclear, v\u00e1lvulas PED Categoria 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;\">Conte\u00fado do arquivo:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Composi\u00e7\u00e3o qu\u00edmica, propriedades mec\u00e2nicas, relat\u00f3rio de END (exigido apenas para o certificado 3.2).<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Custo de conformidade: O pre\u00e7o dos materiais para certifica\u00e7\u00e3o 3.2 \u00e9 15%~30% superior ao da certifica\u00e7\u00e3o 3.1.<\/span><\/p>\n<h3><b>Compara\u00e7\u00e3o t\u00e9cnica: sistemas de materiais EN vs. ASME<\/b><\/h3>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Dimens\u00f5es<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Sistema de normas EN<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Normas ASME<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Impacto Diferencial<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Certifica\u00e7\u00e3o de Materiais<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 10204 3.1\/3.2 (Obrigat\u00f3rio por Terceiros)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ASME II (Autoinspe\u00e7\u00e3o de Usinas Sider\u00fargicas)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Os materiais EN s\u00e3o mais caros, mas a confiabilidade dos dados \u00e9 alta (um requisito essencial para a energia nuclear).<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Resist\u00eancia \u00e0 corros\u00e3o do a\u00e7o inoxid\u00e1vel<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Valores PREN claramente classificados (EN 10088)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Os n\u00fameros UNS (como S31600) n\u00e3o possuem defini\u00e7\u00e3o de valor PREN.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">O EN facilita a sele\u00e7\u00e3o de materiais e corresponde diretamente \u00e0 corrosividade do meio.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Inspe\u00e7\u00e3o de Forjamento<\/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 (apenas teste de dureza)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">As pe\u00e7as forjadas em a\u00e7o EN apresentam uma taxa de defeitos menor, mas o ciclo de produ\u00e7\u00e3o \u00e9 estendido em 20%~30%.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Restri\u00e7\u00f5es ao reparo por soldagem<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Reparo de soldagem EN 10213 \u2264 2 vezes, e verifica\u00e7\u00e3o por ultrassom \u00e9 obrigat\u00f3ria.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">A norma ASME B16.34 permite o reparo por retifica\u00e7\u00e3o (n\u00famero ilimitado de vezes).<\/span><\/td>\n<td><span style=\"font-weight: 400;\">A norma EN \u00e9 mais rigorosa, mas reduz o risco de concentra\u00e7\u00e3o de tens\u00f5es devido a reparos de solda.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h1><b>Padroniza\u00e7\u00e3o de conex\u00f5es e 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 e conex\u00e3o da v\u00e1lvula\/tubo\" 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 a compatibilidade e a intercambialidade entre v\u00e1lvulas, tubula\u00e7\u00f5es e atuadores, e reduzir os custos de adapta\u00e7\u00e3o de engenharia.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Padr\u00e3o n\u00ba.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Nome padr\u00e3o<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Defini\u00e7\u00e3o de tecnologia de 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;\">Flange de a\u00e7o (s\u00e9rie PN)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Dimens\u00f5es de flange PN6~PN400 e requisitos de processamento da superf\u00edcie de veda\u00e7\u00e3o<\/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;\">Flange de a\u00e7o (S\u00e9rie Classe)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Regras de convers\u00e3o de flanges padr\u00e3o americano para padr\u00e3o europeu, classes 150 a 2500<\/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 do atuador<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Classifica\u00e7\u00e3o da capacidade de transmiss\u00e3o de torque dos flanges F03 a 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;\">estrutura da extremidade da v\u00e1lvula<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Padr\u00f5es de chanfro e tratamento de superf\u00edcie para extremidades de flanges\/roscas\/fixa\u00e7\u00f5es<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">Compatibilidade: Flanges EN 1092-1 podem ser usadas com flanges ASME B16.5 Classe 150.<\/span><\/p>\n<h3><b>\u00a0EN 1092-1 Flanges e suas juntas<\/b><\/h3>\n<p><b>Principais \u00e1reas tecnol\u00f3gicas:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Tipo de flange e superf\u00edcie de veda\u00e7\u00e3o:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Tipo de flange<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Tipo de superf\u00edcie de veda\u00e7\u00e3o<\/span><\/td>\n<td><span style=\"font-weight: 400;\">N\u00edvel de press\u00e3o aplic\u00e1vel<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Cen\u00e1rios de aplica\u00e7\u00e3o t\u00edpicos<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Flange de placa (PL)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Rosto Elevado (RF)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">PN10~PN40<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Tratamento de \u00e1gua, tubula\u00e7\u00e3o de HVAC<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Flange para soldagem de topo (WN)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Junta de anel (RJ)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">PN63~PN400<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Petroqu\u00edmica, gasodutos de alta press\u00e3o de GNL<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Flange solta (LJ)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Rosto plano (FF)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">PN6~PN16<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Meios corrosivos (tubula\u00e7\u00e3o de decapagem)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Compara\u00e7\u00e3o dos n\u00edveis de press\u00e3o:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Flange EN (PN)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Semelhante \u00e0 classe ASME<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Erro na dist\u00e2ncia entre os centros dos furos dos parafusos<\/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;\">Grupo de materiais:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Grupo 1: A\u00e7o carbono (C22,8)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Grupo 2: A\u00e7o inoxid\u00e1vel (1.4401)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Grupo 3: Ligas \u00e0 base de n\u00edquel (Inconel 625)<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b>PERGUNTAS FREQUENTES:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Incompatibilidade: For\u00e7ar uma flange Classe 150 (ASME B16.5) em um tubo PN16 (EN 1092-1) resulta em furos de parafuso desalinhados.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Solu\u00e7\u00e3o: Utilize flange de convers\u00e3o (projetada de acordo com as normas EN 1759-1 e 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>Posicionamento especial:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Propriedades padr\u00e3o: Compat\u00edvel com flanges americanas (Classe 150~2500) nas normas EN, mas com toler\u00e2ncias dimensionais mais rigorosas.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Principais diferen\u00e7as:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Par\u00e2metro<\/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;\">Espessura do flange<\/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;\">Di\u00e2metro do furo do parafuso<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Parafusos com dimens\u00f5es exatamente correspondentes<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Permitir margem de +0,5 mm<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><b>Cen\u00e1rios de aplica\u00e7\u00e3o:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Projetos transnacionais: Quando equipamentos europeus (EN 1092-1) s\u00e3o conectados a tubula\u00e7\u00f5es americanas (ASME B16.5), utiliza-se a transi\u00e7\u00e3o de flange EN 1759-1.<\/span><\/li>\n<\/ul>\n<h3><b>EN ISO 5211 &#8220;Valve drive installation interface&#8221;\u200b\u200b<\/b><\/h3>\n<p><b>Especifica\u00e7\u00f5es principais:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Tamanho da interface da unidade:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">C\u00f3digo de interface<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Dimens\u00f5es da cabe\u00e7a de acionamento quadrado (mm)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Torque m\u00e1ximo (Nm)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Tipo de atuador aplic\u00e1vel<\/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;\">Atuadores pneum\u00e1ticos de pequeno porte<\/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;\">Atuador el\u00e9trico (v\u00e1lvula 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;\">Atuador hidr\u00e1ulico (DN600 e acima)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Toler\u00e2ncia de montagem:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">O erro de coaxialidade do eixo de transmiss\u00e3o \u00e9 \u22640,1 mm\/m.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Erro de paralelismo da superf\u00edcie do flange \u2264 0,05 mm.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b>Caso de falha:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Torque insuficiente: A v\u00e1lvula de esfera DN300 (que requer 2000 Nm) est\u00e1 equipada com uma interface F10 (m\u00e1ximo de 1000 Nm), o que pode resultar em sobrecarga e danos ao atuador.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Plano de melhoria: Atualiza\u00e7\u00e3o para interface F14 (capacidade de torque de 3000 Nm).<\/span><\/li>\n<\/ul>\n<h3><b>\u00a0EN 558 &#8220;Valve end face and structural length &#8220;<\/b><\/h3>\n<p><b>Especifica\u00e7\u00f5es principais:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">S\u00e9ries de comprimento estrutural:<\/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;\">Tipo de v\u00e1lvula aplic\u00e1vel<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Aplica\u00e7\u00f5es t\u00edpicas<\/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;\">V\u00e1lvulas industriais gerais<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ind\u00fastria qu\u00edmica, tratamento de \u00e1gua<\/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;\">V\u00e1lvula curta<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Cen\u00e1rios com espa\u00e7o limitado (casa de m\u00e1quinas do navio)<\/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;\">V\u00e1lvula longa<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Alta temperatura e alta press\u00e3o (v\u00e1lvula principal de vapor de usina termel\u00e9trica)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Requisitos de processamento da superf\u00edcie final:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Valor Ra: Superf\u00edcie selada Ra\u22643,2\u03bcm, superf\u00edcie n\u00e3o selada Ra\u226412,5\u03bcm.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">\u00c2ngulo de chanfro: 30\u00b0\u00b12\u00b0 (para evitar arranh\u00f5es na superf\u00edcie de veda\u00e7\u00e3o durante a instala\u00e7\u00e3o).<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b>Aplica\u00e7\u00f5es industriais:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">V\u00e1lvulas criog\u00eanicas para GNL: A S\u00e9rie 4 reduz o comprimento da estrutura e a perda de capacidade de refrigera\u00e7\u00e3o.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">V\u00e1lvula de hidrogena\u00e7\u00e3o: A S\u00e9rie 14 possui uma estrutura mais longa e reduz a concentra\u00e7\u00e3o de tens\u00e3o t\u00e9rmica.<\/span><\/li>\n<\/ul>\n<h3><b>Compara\u00e7\u00e3o de tecnologias: normas de conex\u00e3o EN vs. ASME\/ISO<\/b><\/h3>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Dimens\u00f5es<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Sistema de normas EN<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Normas ASME\/ISO<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Principais diferen\u00e7as e impactos<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Tipo de flange<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 1092-1 (s\u00e9rie PN) + EN 1759-1 (s\u00e9rie de 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;\">A toler\u00e2ncia de espessura do flange EN \u00e9 mais rigorosa (\u00b10,3 mm vs. \u00b11,0 mm), mas o custo de aquisi\u00e7\u00e3o \u00e9 15%~20% mais elevado.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">rugosidade da superf\u00edcie de veda\u00e7\u00e3o<\/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;\">O EN possui melhor desempenho de veda\u00e7\u00e3o, mas requer equipamentos de processamento especiais (como um torno para espelhos).<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Interface do motorista<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN ISO 5211 (interface da s\u00e9rie F)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ISO 5211 (equivalente)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Totalmente compat\u00edvel, sem diferen\u00e7a.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Comprimento da estrutura<\/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 (Tipo Regular\/Curto)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">A s\u00e9rie EN 4, com comprimentos de 5% a 10%, \u00e9 mais curta do que as v\u00e1lvulas curtas ASME e, portanto, mais adequada para espa\u00e7os compactos.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h1><b>Certifica\u00e7\u00e3o de seguran\u00e7a e \u00e0 prova de explos\u00e3o.<\/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=\"V\u00e1lvula de seguran\u00e7a \u00e0 prova de fogo e explos\u00e3o\" 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;\">Garantir o funcionamento seguro das v\u00e1lvulas em ambientes perigosos, como ambientes inflam\u00e1veis, explosivos e de alta press\u00e3o, em conformidade com as diretivas da UE (como a ATEX 2014\/34\/UE) e os requisitos de seguran\u00e7a mec\u00e2nica.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Padr\u00e3o n\u00ba.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Nome padr\u00e3o<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Requisitos t\u00e9cnicos de seguran\u00e7a<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 1349<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Seguran\u00e7a de v\u00e1lvulas de controle de processos industriais<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Processo de Certifica\u00e7\u00e3o de Seguran\u00e7a Funcional 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;\">Certifica\u00e7\u00e3o de v\u00e1lvula \u00e0 prova de explos\u00e3o (ATEX)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Controle de folga estrutural para ambientes explosivos de Zona 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;\">regulamentos de seguran\u00e7a de v\u00e1lvulas de g\u00e1s<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Taxa de vazamento de g\u00e1s \u22640,25ml\/min (m\u00e9todo de detec\u00e7\u00e3o de metano)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 14382<\/span><\/td>\n<td><span style=\"font-weight: 400;\">V\u00e1lvula de al\u00edvio de seguran\u00e7a<\/span><\/td>\n<td><span style=\"font-weight: 400;\">M\u00e9todo de teste din\u00e2mico para tempo de resposta \u00e0 sobrepress\u00e3o \u2264 50 ms<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">Associa\u00e7\u00e3o de certifica\u00e7\u00e3o: Diretiva ATEX 2014\/34\/UE, refer\u00eancia obrigat\u00f3ria \u00e0 norma EN 1703<\/span><\/p>\n<h3><b>EN 1349 &#8220;Safety Requirements for Industrial Process Control Valves&#8221;<\/b><\/h3>\n<p><b>Principais \u00e1reas tecnol\u00f3gicas:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Verifica\u00e7\u00e3o da fun\u00e7\u00e3o de seguran\u00e7a:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Fun\u00e7\u00e3o<\/span><\/td>\n<td><span style=\"font-weight: 400;\">M\u00e9todo de teste<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Crit\u00e9rios de elegibilidade<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Prote\u00e7\u00e3o contra limite de viagens<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Sobrecarga 10% Repita 50 vezes<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Sem danos mec\u00e2nicos, desvio de sinal \u2264\u00b11%<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Taxa de vazamento (modo de falha)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Teste ap\u00f3s fechamento for\u00e7ado (1,1\u00d7 press\u00e3o de projeto)<\/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;\">Teste de vibra\u00e7\u00e3o:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Nota<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Faixa de frequ\u00eancia (Hz)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Acelera\u00e7\u00e3o (m\/s\u00b2)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Dura\u00e7\u00e3o (horas)<\/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;\">Cen\u00e1rios aplic\u00e1veis: v\u00e1lvula reguladora de produtos qu\u00edmicos, v\u00e1lvula reguladora de press\u00e3o de g\u00e1s natural.<\/span><\/p>\n<h3><b>EN 1703 &#8220;Non-metallic material valve explosion-proof certification&#8221;\u200b\u200b<\/b><\/h3>\n<p><b>Requisitos Essenciais:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Retard\u00e2ncia \u00e0 chama do material:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Tipo de material<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u00cdndice de Oxig\u00eanio (IO)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Faixa de temperatura aplic\u00e1vel (\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 refor\u00e7ado (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;\">Prote\u00e7\u00e3o contra eletricidade est\u00e1tica:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Resist\u00eancia superficial \u22641\u00d710\u2076\u03a9 (para evitar o ac\u00famulo de eletricidade est\u00e1tica).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Resist\u00eancia de aterramento do inserto met\u00e1lico \u2264 0,1 \u03a9.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Aplica\u00e7\u00f5es t\u00edpicas: v\u00e1lvulas para sistemas de cloro (veda\u00e7\u00f5es em PTFE), v\u00e1lvulas borboleta de grau aliment\u00edcio (sedes em 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>N\u00edvel e \u00e2mbito da certifica\u00e7\u00e3o:<\/b><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Grau \u00e0 prova de explos\u00e3o<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Grupo de g\u00e1s aplic\u00e1vel<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Classe de temperatura (classe T)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Temperatura m\u00e1xima da superf\u00edcie (\u00b0C)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">II 2G Ex d\u200b\u200b<\/span><\/td>\n<td><span style=\"font-weight: 400;\">IIA (Propano)<\/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\u200b\u200b<\/span><\/td>\n<td><span style=\"font-weight: 400;\">IIB (etileno)<\/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\u200b\u200b<\/span><\/td>\n<td><span style=\"font-weight: 400;\">IIC (Hidrog\u00eanio)<\/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>Testes principais:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Teste de press\u00e3o de explos\u00e3o: Com 5 vezes a press\u00e3o m\u00e1xima de trabalho, o inv\u00f3lucro n\u00e3o apresenta deforma\u00e7\u00e3o permanente.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Folga \u00e0 prova de explos\u00e3o: \u22640,2 mm (v\u00e1lvula de hidrog\u00eanio de grau IIC).<\/span><\/li>\n<\/ul>\n<h3><b>EN 14382 &#8220;Overpressure Protection Safety Valve&#8221;\u200b\u200b<\/b><\/h3>\n<p><b>Par\u00e2metros t\u00e9cnicos principais:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ajuste de desvio de press\u00e3o:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">N\u00edvel de press\u00e3o<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Desvio permitido<\/span><\/td>\n<td><span style=\"font-weight: 400;\">rela\u00e7\u00e3o de press\u00e3o de retorno do assento<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">PN10~PN40<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u00b13%<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u226590% press\u00e3o definida<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">PN63~PN400<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u00b15%<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u226585% press\u00e3o definida<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Verifica\u00e7\u00e3o da capacidade de emiss\u00e3o:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Tipo de v\u00e1lvula<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Coeficiente de fluxo (Kv)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Coeficiente de deslocamento nominal (%)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">In\u00edcio completo<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u22651,2\u00d7valor te\u00f3rico<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u226595%<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Microabertura<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u22650,8\u00d7valor te\u00f3rico<\/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;\">Cen\u00e1rios de aplica\u00e7\u00e3o: v\u00e1lvula de al\u00edvio de press\u00e3o para tanque de GNL, v\u00e1lvula de seguran\u00e7a para reator.<\/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;\">Taxa de vazamento de g\u00e1s: \u22640,01 ml\/min (meio metano, detec\u00e7\u00e3o de h\u00e9lio).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Durabilidade: Taxa de vazamento \u2264 0,05 ml\/min ap\u00f3s 20.000 ciclos de abertura e fechamento.<\/span><\/li>\n<\/ul>\n<h3><b>Compara\u00e7\u00e3o de tecnologias: Certifica\u00e7\u00f5es de seguran\u00e7a e \u00e0 prova de explos\u00e3o PENI vs. ASME\/ISO<\/b><\/h3>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Dimens\u00f5es<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Sistema de normas EN<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Normas ASME\/ISO<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Principais diferen\u00e7as e impactos<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Certifica\u00e7\u00e3o de grau \u00e0 prova de explos\u00e3o<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u200b\u200bEN 15001 (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;\">Interoperabilidade de certifica\u00e7\u00e3o: as normas EN 15001 e ISO 60079-1 s\u00e3o tecnicamente equivalentes, mas a EN exige certifica\u00e7\u00e3o da ag\u00eancia de Organismos Notificados da UE, enquanto a ISO exige certifica\u00e7\u00e3o IECEx.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Retardante de chama n\u00e3o met\u00e1lico<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u200b\u200bEN 1703 (\u00edndice de oxig\u00eanio \u226595%)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ISO 4589-2 (Classifica\u00e7\u00e3o do \u00cdndice de Oxig\u00eanio)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Coordena\u00e7\u00e3o padr\u00e3o: A norma EN 1703 faz refer\u00eancia direta ao m\u00e9todo de ensaio ISO 4589-2, mas exige adicionalmente prote\u00e7\u00e3o eletrost\u00e1tica (resist\u00eancia superficial \u2264 1\u00d710\u2076\u03a9).<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Desempenho da v\u00e1lvula de seguran\u00e7a<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 14382 (Press\u00e3o de ajuste \u00b13%, Deslocamento \u226595%)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Se\u00e7\u00e3o VIII da ASME (\u00b110%, deslocamento \u226590%)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Diferen\u00e7a de precis\u00e3o: A norma EN tem um controle mais rigoroso da press\u00e3o, mas a ASME permite uma maior margem de erro (adequada para cen\u00e1rios industriais de baixo custo).<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Fun\u00e7\u00e3o de seguran\u00e7a da v\u00e1lvula de controle<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 1349 (prote\u00e7\u00e3o contra sobrecurso, teste de vibra\u00e7\u00e3o)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ANSI\/ISA 75.08 (cobertura funcional parcial)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Cobertura funcional: A norma EN 1349 exige prote\u00e7\u00e3o contra sobrecurso, enquanto a ANSI\/ISA 75.08 apenas a recomenda, resultando em v\u00e1lvulas EN mais confi\u00e1veis, por\u00e9m com custo adicional de +20%.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Seguran\u00e7a da v\u00e1lvula de g\u00e1s<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u200b\u200bEN 13611\u200b\u200b (taxa de vazamento \u2264 0,01ml\/min)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ISO 23553-1 (taxa de vazamento \u2264 0,1 ml\/min)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Limite de vazamento: a norma EN \u00e9 10 vezes mais rigorosa que a ISO, mas exige equipamento de detec\u00e7\u00e3o de h\u00e9lio (custo +15%).<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h1><b>Normas de v\u00e1lvulas espec\u00edficas para cada setor<\/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=\"Normas de v\u00e1lvulas espec\u00edficas da ind\u00fastria\" 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;\">Especifica\u00e7\u00f5es t\u00e9cnicas especiais para v\u00e1lvulas s\u00e3o formuladas para os setores de petr\u00f3leo e g\u00e1s, g\u00e1s natural, tratamento de \u00e1gua, automa\u00e7\u00e3o industrial e outros, a fim de garantir adaptabilidade e seguran\u00e7a.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Padr\u00e3o n\u00ba.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Nome padr\u00e3o<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Requisitos de personaliza\u00e7\u00e3o do setor<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 1984<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Requisitos gerais para v\u00e1lvulas industriais<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Especifica\u00e7\u00f5es b\u00e1sicas para as ind\u00fastrias qu\u00edmica e el\u00e9trica<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 1171<\/span><\/td>\n<td><span style=\"font-weight: 400;\">V\u00e1lvulas industriais de ferro fundido<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Guia de Sele\u00e7\u00e3o de V\u00e1lvulas para Sistemas de Tratamento\/Aquecimento de \u00c1gua<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 161<\/span><\/td>\n<td><span style=\"font-weight: 400;\">V\u00e1lvula de fechamento autom\u00e1tico a g\u00e1s<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Mecanismo de disparo diferencial de press\u00e3o de 0,5 mbar para v\u00e1lvula de corte de g\u00e1s 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;\">Atuador hidr\u00e1ulico<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Precis\u00e3o s\u00edncrona de cilindros hidr\u00e1ulicos para navios e m\u00e1quinas de engenharia: \u00b10,1 mm<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">Aplica\u00e7\u00e3o t\u00edpica: v\u00e1lvulas EN 161 para sistemas de g\u00e1s dom\u00e9sticos da UE (certifica\u00e7\u00e3o CE obrigat\u00f3ria)<\/span><\/p>\n<h3><b>EN 1984 &#8220;Safety Requirements for Industrial Valves&#8221;<\/b><\/h3>\n<p><b>Principais \u00e1reas tecnol\u00f3gicas:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Teste de fun\u00e7\u00e3o de seguran\u00e7a:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Fun\u00e7\u00e3o<\/span><\/td>\n<td><span style=\"font-weight: 400;\">M\u00e9todo de teste<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Crit\u00e9rios de elegibilidade<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Tempo de resposta ao desligamento de emerg\u00eancia<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Sinalizador de acionamento para tempo totalmente fechado<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u22642 segundos (repetir 50 vezes, desvio \u2264\u00b15%)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Teste de fogo<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Exposi\u00e7\u00e3o \u00e0 chama (1100\u2103, 30 minutos)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Taxa de vazamento \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;\">Requisitos de materiais:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Material do corpo da v\u00e1lvula: A\u00e7o carbono (1.0460) ou a\u00e7o inoxid\u00e1vel (1.4401), certificado pela ISO 10474 3.1.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Material de veda\u00e7\u00e3o: junta espiral de grafite ou metal (resist\u00eancia \u00e0 temperatura \u2265500\u2103).<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Aplica\u00e7\u00f5es industriais: V\u00e1lvulas de esfera para altas temperaturas em refinarias, v\u00e1lvulas de fechamento de emerg\u00eancia para oleodutos e gasodutos.<\/span><\/p>\n<h3><b>EN 1171 &#8220;Design and testing of cast iron valves&#8221;\u200b\u200b<\/b><\/h3>\n<p><b>Especifica\u00e7\u00f5es principais:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Tipos de ferro fundido e resist\u00eancia \u00e0 corros\u00e3o:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Marca<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Resist\u00eancia \u00e0 tra\u00e7\u00e3o (MPa)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Meio aplic\u00e1vel (faixa 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 (qualidade da \u00e1gua neutra)<\/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 (meios corrosivos)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Requisitos do teste:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Teste de resist\u00eancia: Manter a press\u00e3o em 2 vezes o PN durante 5 minutos (sem vazamentos).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Durabilidade: Aumento de torque \u226420% ap\u00f3s 10.000 ciclos de abertura e fechamento.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Cen\u00e1rios de aplica\u00e7\u00e3o: V\u00e1lvula borboleta para tratamento de \u00e1gua municipal, v\u00e1lvula de gaveta resistente a \u00e1cidos qu\u00edmicos.<\/span><\/p>\n<h3><b>EN 161 &#8220;Automatic closing function of gas valves&#8221;\u200b\u200b<\/b><\/h3>\n<p><b>Requisitos principais:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Condi\u00e7\u00f5es de desligamento:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Sinal de disparo<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Tempo de resposta<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Taxa de vazamento (ap\u00f3s o fechamento)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">A press\u00e3o excede o limite (1,5\u00d7PN)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u22641 segundo<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u22640,01 ml\/min (metano)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Temperatura acima do limite (150\u00b0C)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u22643 segundos<\/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;\">Retard\u00e2ncia \u00e0 chama do material:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">O \u00edndice de oxig\u00eanio do material do corpo da v\u00e1lvula \u00e9 \u226528% (ISO 4589-2).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">N\u00edvel de prote\u00e7\u00e3o dos componentes el\u00e9tricos \u2265 IP67 (EN 60529).<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Aplica\u00e7\u00f5es t\u00edpicas: v\u00e1lvulas de seguran\u00e7a para esta\u00e7\u00f5es reguladoras de press\u00e3o de g\u00e1s natural, v\u00e1lvulas frontais para medidores de g\u00e1s residenciais.<\/span><\/p>\n<h3><b>EN 15714 &#8220;Actuator Test Standard&#8221;\u200b\u200b<\/b><\/h3>\n<p><b>Conte\u00fado principal:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Itens de teste:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Projeto<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Condi\u00e7\u00f5es de teste<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Crit\u00e9rios de aceita\u00e7\u00e3o<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Prote\u00e7\u00e3o contra sobrecarga<\/span><\/td>\n<td><span style=\"font-weight: 400;\">1,5 vezes o torque nominal, 10 vezes continuamente.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Sem deforma\u00e7\u00e3o estrutural, flutua\u00e7\u00e3o de corrente \u2264\u00b110%<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Imperme\u00e1vel<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Deixe de molho em 1 metro de \u00e1gua por 30 minutos.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Umidade interna \u226485%<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">torque de partida em baixa temperatura<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Testado a -40\u2103<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Torque de partida \u2264 150% do valor em temperatura normal<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">Aplica\u00e7\u00f5es industriais: atuador el\u00e9trico para v\u00e1lvula de controle qu\u00edmico, dispositivo de acionamento hidr\u00e1ulico para usina hidrel\u00e9trica.<\/span><\/p>\n<h3><b>Compara\u00e7\u00e3o de tecnologias: normas industriais EN vs. ASME\/ISO<\/b><\/h3>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Dimens\u00f5es<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Sistema de normas EN<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Normas ASME\/ISO<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Principais diferen\u00e7as e impactos<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">V\u00e1lvula de seguran\u00e7a de g\u00e1s<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 161 (tempo de fechamento \u2264 1 segundo, vazamento \u2264 0,01 ml\/min)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ISO 23553-1 (tempo de fechamento \u2264 3 segundos, vazamento \u2264 0,1 ml\/min)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">O EN oferece resposta mais r\u00e1pida e controle de vazamento mais preciso, mas o custo do atuador aumenta com o 20%.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">V\u00e1lvulas de ferro fundido<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 1171 (resistente a pH 2~12, ferro fundido Ni-Resist)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">AWWA C500 (resistente a pH 5~9, ferro fundido comum)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">O a\u00e7o EN \u00e9 adequado para cen\u00e1rios altamente corrosivos, e o custo do material \u00e9 aumentado pelo 30%.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Ag\u00eancia Executiva<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 15714 (impermeabilidade IP67 obrigat\u00f3ria)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ASME B16.34 (sem requisito obrigat\u00f3rio para impermeabiliza\u00e7\u00e3o)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">A norma EN \u00e9 adequada para ambientes marinhos\/\u00famidos e requer uma melhoria no processo de veda\u00e7\u00e3o (custo +15%).<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Seguran\u00e7a de v\u00e1lvulas industriais<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 1984 (prote\u00e7\u00e3o contra inc\u00eandio por 30 minutos, vazamento \u2264 0,1\u00d7DN)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">API 607 \u200b\u200b(prote\u00e7\u00e3o contra inc\u00eandio por 15 minutos, vazamento \u2264 0,5 \u00d7 DN)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">A norma EN possui maior resist\u00eancia ao fogo, mas requer uma estrutura de veda\u00e7\u00e3o de dupla camada (custo +25%).<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h1><b>\u00a0Padr\u00f5es de saneamento e \u00e1gua pot\u00e1vel<\/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=\"Padr\u00f5es de saneamento e \u00e1gua pot\u00e1vel\" 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;\">Assegurar que o material da v\u00e1lvula seja seguro e at\u00f3xico, que a superf\u00edcie esteja limpa, que impe\u00e7a o crescimento de microrganismos e que atenda \u00e0s rigorosas normas de higiene da \u00e1gua pot\u00e1vel e da ind\u00fastria aliment\u00edcia.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Padr\u00e3o n\u00ba.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Nome padr\u00e3o<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Requisitos t\u00e9cnicos de higiene<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 1717<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Preven\u00e7\u00e3o do refluxo da \u00e1gua pot\u00e1vel<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Espa\u00e7o de ar \u226520 mm ou bloqueio duplo mec\u00e2nico<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 13658<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Materiais da v\u00e1lvula de \u00e1gua pot\u00e1vel<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Rugosidade da superf\u00edcie da liga de cobre sem chumbo (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;\">Resist\u00eancia ao cloro das v\u00e1lvulas de tratamento de \u00e1gua<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Taxa de corros\u00e3o anual em solu\u00e7\u00e3o de hipoclorito de s\u00f3dio a 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 fixa\u00e7\u00e3o de libera\u00e7\u00e3o r\u00e1pida<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Toler\u00e2ncia dimensional e polimento eletrol\u00edtico superficial de abra\u00e7adeiras sanit\u00e1rias 3A<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">Marcas de certifica\u00e7\u00e3o: ACS (Reino Unido), DVGW (Alemanha), KTW (Compatibilidade Qu\u00edmica da UE)<\/span><\/p>\n<h3><b>EN 12567 Requisitos de higiene para v\u00e1lvulas em sistemas de \u00e1gua pot\u00e1vel<\/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=\"V\u00e1lvulas do sistema de \u00e1gua pot\u00e1vel\" 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>Principais \u00e1reas tecnol\u00f3gicas:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Seguran\u00e7a dos materiais:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Tipo de material<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Limite de dissolu\u00e7\u00e3o de metais pesados (\u03bcg\/L)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Faixa de temperatura aplic\u00e1vel (\u2103)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">A\u00e7o inoxid\u00e1vel (1.4404)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Chumbo \u2264 5, C\u00e1dmio \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;\">Pl\u00e1stico de qualidade alimentar (PE)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Mat\u00e9ria org\u00e2nica total dissolvida \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;\">Tratamento de superf\u00edcie:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">A rugosidade da superf\u00edcie de contato Ra\u22640,8\u03bcm (polimento eletrol\u00edtico ou polimento mec\u00e2nico).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Design sem \u00e2ngulos mortos (raio do canto interno \u2265 3 mm).<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Aplica\u00e7\u00f5es industriais: v\u00e1lvulas borboleta em esta\u00e7\u00f5es de tratamento de \u00e1gua pot\u00e1vel, v\u00e1lvulas de esfera em purificadores de \u00e1gua dom\u00e9sticos.<\/span><\/p>\n<h3><b>EN 1717 &#8220;Prevention of backflow contamination of drinking water &#8220;<\/b><\/h3>\n<p><b>Especifica\u00e7\u00f5es principais:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Dispositivo de preven\u00e7\u00e3o de refluxo:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Tipo<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Cen\u00e1rios aplic\u00e1veis<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Taxa de vazamento (press\u00e3o reversa 1,5\u00d7PN)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Tipo de descompress\u00e3o (Tipo EA)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Rede municipal de abastecimento de \u00e1gua<\/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;\">Tipo de quebra a v\u00e1cuo (Tipo AB)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Pontos de conex\u00e3o para equipamentos industriais<\/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;\">Requisitos do teste:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Teste de osmose reversa com l\u00edquido contaminado simulado (dura\u00e7\u00e3o de 24 horas).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">A superf\u00edcie de veda\u00e7\u00e3o da v\u00e1lvula deve ser resistente \u00e0 corros\u00e3o por \u00edons cloreto (Cl\u207b\u2264250ppm).<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Cen\u00e1rios de aplica\u00e7\u00e3o: Sistema de abastecimento de \u00e1gua hospitalar, v\u00e1lvula de entrada de \u00e1gua em f\u00e1brica de processamento de alimentos.<\/span><\/p>\n<h3><b>\u200b\u200bEN 1489 &#8220;Hygienic requirements for valves for building use&#8221;\u200b\u200b<\/b><\/h3>\n<p><b>Requisitos principais:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Biocompatibilidade do material:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Aprovado no teste de citotoxicidade ISO 10993-5 (taxa de inibi\u00e7\u00e3o \u2264 20%).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Sem plastificante (ftalatos \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;\">Limpeza e desinfec\u00e7\u00e3o:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">M\u00e9todos de desinfec\u00e7\u00e3o<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Teste de resist\u00eancia<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Crit\u00e9rios de elegibilidade<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Vapor a alta temperatura (121\u00b0C)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ciclo de 30 minutos \u00d7 50 vezes<\/span><\/td>\n<td><span style=\"font-weight: 400;\">A superf\u00edcie de veda\u00e7\u00e3o n\u00e3o apresenta deforma\u00e7\u00f5es e a taxa de vazamento \u00e9 \u22640,01\u00d7DN<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Desinfec\u00e7\u00e3o qu\u00edmica (hipoclorito de s\u00f3dio)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Concentra\u00e7\u00e3o de 100 ppm, deixar de molho por 24 horas.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Perda de peso do material \u2264 0,1%<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">Aplica\u00e7\u00f5es t\u00edpicas: v\u00e1lvulas de diafragma em sistemas de \u00e1gua est\u00e9ril hospitalares, v\u00e1lvulas CIP (limpeza no local) em f\u00e1bricas farmac\u00eauticas.<\/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=\"Sistema de v\u00e1lvula higi\u00eanica de grau aliment\u00edcio\" 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>Requisitos Essenciais:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Limites de migra\u00e7\u00e3o de materiais:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Subst\u00e2ncia<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Limite de migra\u00e7\u00e3o (mg\/kg)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Condi\u00e7\u00f5es de teste (simulador alimentar)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">formalde\u00eddo<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u226415<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Etanol 10%, 40\u2103\u00d710 dias<\/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;\">\u00c1cido ac\u00e9tico 3%, 40\u2103\u00d710 dias<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Rastreabilidade:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Os lotes de materiais devem ser acompanhados de um documento de declara\u00e7\u00e3o de MCF (Material em Contato com Alimentos) (em conformidade com o Regulamento (CE) 2023\/2006).<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Aplica\u00e7\u00f5es industriais: V\u00e1lvulas para processamento de latic\u00ednios, v\u00e1lvulas para envase de bebidas.<\/span><\/p>\n<h3><b>Compara\u00e7\u00e3o de tecnologias: normas sanit\u00e1rias EN vs. ASME\/ISO<\/b><\/h3>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Dimens\u00f5es<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Sistema de normas EN<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Normas ASME\/ISO<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Principais diferen\u00e7as e impactos<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Seguran\u00e7a dos Materiais<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 12567 (limites de libera\u00e7\u00e3o de metais pesados)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ASME BPE (sem limites de dissolu\u00e7\u00e3o, apenas acabamento superficial)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">A norma EN restringe diretamente a libera\u00e7\u00e3o de subst\u00e2ncias t\u00f3xicas, enquanto a ASME se concentra mais na limpeza f\u00edsica.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">rugosidade da superf\u00edcie<\/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;\">A norma ASME exige um acabamento superior, mas a norma EN pode atender aos requisitos de grau aliment\u00edcio por meio de polimento eletrol\u00edtico com Ra\u22640,8\u03bcm.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Design antirretorno<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u200b\u200bEN 1717\u200b\u200b (taxa de vazamento \u2264 0,1ml\/min)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ASSE 1013 (taxa de vazamento \u22641,0 ml\/min)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">A EN possui melhor desempenho antipolui\u00e7\u00e3o, mas a estrutura da v\u00e1lvula \u00e9 complexa (custo +20%).<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Resist\u00eancia \u00e0 desinfec\u00e7\u00e3o<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 1489 (vapor de alta temperatura, 50 ciclos)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ISO 15848 (sem teste de desinfec\u00e7\u00e3o espec\u00edfico)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">A norma EN \u00e9 personalizada para a ind\u00fastria m\u00e9dica\/farmac\u00eautica, e as normas ASME\/ISO exigem verifica\u00e7\u00e3o adicional.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Certifica\u00e7\u00e3o para contato com alimentos<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Regulamento (CE) n.\u00ba 1935\/2004 (valores-limite de migra\u00e7\u00e3o + documenta\u00e7\u00e3o de rastreabilidade)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">FDA 21 CFR (apenas valor, sem requisitos de rastreabilidade)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">As normas EN s\u00e3o mais rigorosas e os custos de conformidade dos materiais s\u00e3o de 15% a 25% mais elevados.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h1><b>Baixas temperaturas e meios especiais<\/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=\"V\u00e1lvula de comporta criog\u00eanica 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\/\">V\u00e1lvula de comporta criog\u00eanica JH<\/a><\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">Abrange condi\u00e7\u00f5es de trabalho complexas, como temperaturas extremamente baixas e meios corrosivos e t\u00f3xicos, garantindo a confiabilidade dos materiais das v\u00e1lvulas, das veda\u00e7\u00f5es e dos projetos estruturais.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Padr\u00e3o n\u00ba.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Nome padr\u00e3o<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Requisitos de condi\u00e7\u00f5es de trabalho extremas<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 1626<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Projeto e teste de v\u00e1lvulas criog\u00eanicas<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Verifica\u00e7\u00e3o de veda\u00e7\u00e3o em ambiente de nitrog\u00eanio l\u00edquido a -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;\">V\u00e1lvula de CO\u2082 supercr\u00edtico<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ensaio de flu\u00eancia do material no ponto cr\u00edtico 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;\">Medi\u00e7\u00e3o do torque de opera\u00e7\u00e3o da v\u00e1lvula<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Torque m\u00e1ximo de abertura e fechamento em condi\u00e7\u00f5es de baixa temperatura \u2264100 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;\">Resist\u00eancia qu\u00edmica das v\u00e1lvulas de pl\u00e1stico<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Teste anual de permeabilidade do PVDF em \u00e1cido sulf\u00farico 98%<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">Inova\u00e7\u00e3o em materiais: a norma EN 1626 exige que os materiais do corpo da v\u00e1lvula sejam resistentes a baixas temperaturas com Akv (-196\u2103) \u2265 27J.<\/span><\/p>\n<h3><b>\u200b\u200bEN 1626 &#8220;Design and testing of valves for cryogenic containers&#8221;\u200b\u200b<\/b><\/h3>\n<figure id=\"attachment_19593\" aria-describedby=\"caption-attachment-19593\" style=\"width: 2000px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-19593 size-full\" src=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/a7c6224a8d510ce52de4d60d7c99edd.png\" alt=\"teste criog\u00eanico de v\u00e1lvula criog\u00eanica\" 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\/\">Teste criog\u00eanico JH<\/a><\/figcaption><\/figure>\n<p><b>Requisitos Essenciais:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Resist\u00eancia do material a baixas temperaturas:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Tipo de material<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Energia de impacto (-196\u2103)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Limite inferior de temperatura aplic\u00e1vel (\u2103)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">A\u00e7o inoxid\u00e1vel austen\u00edtico<\/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;\">Liga \u00e0 base de n\u00edquel (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;\">Design do selo:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Veda\u00e7\u00e3o tipo fole (vida \u00fatil \u2265 5000 ciclos, taxa de vazamento \u2264 10\u207b\u2076 mbar\u00b7l\/s).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Design com extens\u00e3o da haste (evita o efeito de ponte fria).<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3><b>EN 14636\u300aTeste de torque de opera\u00e7\u00e3o de v\u00e1lvula criog\u00eanica\u300b\u200b\u200b<\/b><\/h3>\n<p>&nbsp;<\/p>\n<p><b>Condi\u00e7\u00f5es de teste:<\/b><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Temperatura (\u2103)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Estado da lubrifica\u00e7\u00e3o<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Aumento de torque admiss\u00edvel<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">-196<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Atrito seco<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u2264200% de torque em temperatura normal<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">-50<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Graxa para baixas temperaturas<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u2264150% de torque em temperatura normal<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">Aplica\u00e7\u00f5es industriais: v\u00e1lvulas para armazenamento e transporte de hidrog\u00eanio l\u00edquido, v\u00e1lvulas para fornecimento de oxig\u00eanio l\u00edquido na ind\u00fastria aeroespacial.<\/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=\"Teste de opera\u00e7\u00e3o de v\u00e1lvula criog\u00eanica\" 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>Requisitos Essenciais:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Limita\u00e7\u00f5es da for\u00e7a operacional:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Tipo de v\u00e1lvula<\/span><\/td>\n<td><span style=\"font-weight: 400;\">For\u00e7a m\u00e1xima de opera\u00e7\u00e3o do volante (N)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Torque do atuador el\u00e9trico (Nm)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">V\u00e1lvula de bloqueio 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;\">V\u00e1lvula de esfera 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;\">Lubrifica\u00e7\u00e3o resistente \u00e0 corros\u00e3o:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">A graxa de veda\u00e7\u00e3o deve passar no teste de resist\u00eancia a \u00e1cidos e \u00e1lcalis ISO 6743-9 (perda de peso \u2264 1%).<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3><b>EN 14432\u300aResist\u00eancia \u00e0 corros\u00e3o qu\u00edmica de v\u00e1lvulas revestidas\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=\"Teste de resist\u00eancia qu\u00edmica de v\u00e1lvulas criog\u00eanicas\" 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;\">Verifica\u00e7\u00e3o do material de revestimento:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Tipo de forro<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Resist\u00eancia \u00e0 temperatura (\u2103)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Resist\u00eancia qu\u00edmica (exemplo)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">M\u00e9todo de teste (EN 14432 Anexo 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;\">\u00c1cido sulf\u00farico concentrado (98%), \u00e1cido clor\u00eddrico (37%)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ap\u00f3s 720 horas de imers\u00e3o, a expans\u00e3o de volume \u00e9 \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;\">\u00c1cido fluor\u00eddrico (40%), \u00e1cido n\u00edtrico (65%)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Teste de press\u00e3o osm\u00f3tica (1,5\u00d7PN)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">Aplica\u00e7\u00f5es industriais: V\u00e1lvulas de diafragma para a ind\u00fastria cloro-\u00e1lcali, v\u00e1lvulas para \u00e1cidos de alta pureza para a ind\u00fastria de semicondutores.<\/span><\/p>\n<h3><b>Compara\u00e7\u00e3o t\u00e9cnica: normas EN vs. ASME\/API<\/b><\/h3>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Dimens\u00f5es<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Sistema de normas EN<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Normas ASME\/API<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Principais diferen\u00e7as e impactos<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Resist\u00eancia de materiais criog\u00eanicos<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u200b\u200bEN 1626\u200b\u200b (Energia de impacto for\u00e7ado \u2265 40J, -196\u2103)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ASME B31.3 (energia de impacto \u2265 27J, -196\u2103)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Os materiais EN s\u00e3o mais resistentes \u00e0 fragilidade em baixas temperaturas, mas o custo \u00e9 10%~15% mais elevado.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Teste de for\u00e7a operacional<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 12570 (for\u00e7a de opera\u00e7\u00e3o manual obrigat\u00f3ria \u2264 350N)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">API 6D (sem limite obrigat\u00f3rio, apenas valor recomendado)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">A EN garante a seguran\u00e7a das opera\u00e7\u00f5es manuais, e a API baseia-se em um design orientado \u00e0 experi\u00eancia.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">V\u00e1lvulas revestidas<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 14432 (Teste de penetra\u00e7\u00e3o obrigat\u00f3rio + limite de taxa de expans\u00e3o)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">API 598 (apenas teste de vazamento)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">A norma EN \u00e9 mais rigorosa, mas o processo de revestimento custa 20% a mais.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Veda\u00e7\u00e3o para baixas temperaturas<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 14636 (aumento de torque \u2264 200%)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">MSS SP-134 (sem norma para teste de torque em baixa temperatura)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">A EN fornece indicadores quantitativos para reduzir o risco de convuls\u00f5es por baixa temperatura.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h1><b>Sistema de qualidade e rastreabilidade<\/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=\"Inspe\u00e7\u00e3o de qualidade de v\u00e1lvulas e rastreabilidade de v\u00e1lvulas\" 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;\">Estabelecer um mecanismo completo de controle de qualidade e rastreabilidade de processos, desde as mat\u00e9rias-primas at\u00e9 os produtos acabados, para garantir que a fabrica\u00e7\u00e3o de v\u00e1lvulas esteja em conformidade com as especifica\u00e7\u00f5es de projeto e os requisitos regulamentares.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Padr\u00e3o n\u00ba.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Nome padr\u00e3o<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Requisitos de gest\u00e3o da qualidade<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 10204<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Rastreabilidade de materiais<\/span><\/td>\n<td><span style=\"font-weight: 400;\">3.1\/3.2 Correspond\u00eancia entre certificado e certifica\u00e7\u00e3o 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;\">Especifica\u00e7\u00f5es de ensaios n\u00e3o destrutivos<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ensaios de radiografia em pe\u00e7as fundidas (EN 12681), ensaios de ultrassom em soldas (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;\">Padr\u00f5es de conformidade para tubos de a\u00e7o<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Regras de toler\u00e2ncia para tubos de a\u00e7o sem costura e de correspond\u00eancia do canal de fluxo da v\u00e1lvula<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 10217<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Qualifica\u00e7\u00e3o de procedimento de soldagem<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Abrange soldagem TIG\/MIG\/arco submerso e outras certifica\u00e7\u00f5es de processo.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">Atualiza\u00e7\u00e3o digital: a norma EN 10204-3.3 suporta a rastreabilidade de materiais por blockchain (novidade na vers\u00e3o de 2023).<\/span><\/p>\n<h3><b>EN 10204\u300aTipos de Certifica\u00e7\u00e3o de Materiais\u300b\u200b\u200b<\/b><\/h3>\n<p><b>Conte\u00fado principal:<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Classifica\u00e7\u00e3o e \u00e2mbito de aplica\u00e7\u00e3o do certificado:<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Tipo de certificado<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Festa de Teste<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u00c2mbito de aplica\u00e7\u00e3o<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">3.1<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Autoinspe\u00e7\u00e3o de Sider\u00fargicas<\/span><\/td>\n<td><span style=\"font-weight: 400;\">V\u00e1lvulas industriais convencionais (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;\">laborat\u00f3rio independente de terceiros<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Energia nuclear, v\u00e1lvulas PED Categoria 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;\">Requisitos de documenta\u00e7\u00e3o:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Composi\u00e7\u00e3o qu\u00edmica, propriedades mec\u00e2nicas, relat\u00f3rio de END (exigido apenas para o certificado 3.2).<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b>Aplica\u00e7\u00f5es industriais<\/b><span style=\"font-weight: 400;\">V\u00e1lvula principal de vapor para usina nuclear (EN 10204 3.2 obrigat\u00f3rio), v\u00e1lvula para \u00e1gua municipal (certificado 3.1).<\/span><\/p>\n<h3><b>\u200b\u200bEN 10228 &#8220;Non-destructive testing of forgings&#8221;\u200b\u200b<\/b><\/h3>\n<p><b>Requisitos essenciais de teste<\/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\u00e9todos e normas de teste:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">M\u00e9todos de detec\u00e7\u00e3o<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Tipos de defeitos aplic\u00e1veis<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Crit\u00e9rios de aceita\u00e7\u00e3o<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Teste ultrass\u00f4nico (UT)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Fissuras internas, inclus\u00f5es<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Eco defeituoso \u226420% Curva DAC<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Teste por Part\u00edculas Magn\u00e9ticas (MT)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Rachaduras superficiais<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Comprimento da fissura \u22645mm, defeitos lineares proibidos<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Cobertura de detec\u00e7\u00e3o:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Pe\u00e7as forjadas para energia nuclear: 100% UT+MT.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Forjados convencionais: Inspe\u00e7\u00e3o pontual por ultrassom \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=\"As v\u00e1lvulas de tubula\u00e7\u00e3o de a\u00e7o n\u00e3o possuem detec\u00e7\u00e3o.\" 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>Especifica\u00e7\u00f5es principais:<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Tipo de detec\u00e7\u00e3o e par\u00e2metros:<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">M\u00e9todos de detec\u00e7\u00e3o<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Tipo de tubo de a\u00e7o aplic\u00e1vel<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Sensibilidade de detec\u00e7\u00e3o<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Teste de Correntes de Foucault (ET)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Tubo de a\u00e7o inoxid\u00e1vel austen\u00edtico<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Profundidade do defeito \u2265 0,5 mm<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Testes radiogr\u00e1ficos (RT)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Tubo soldado de a\u00e7o carbono<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Di\u00e2metro dos poros \u22642 mm, \u22643 por metro<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><b>Cen\u00e1rios de aplica\u00e7\u00e3o<\/b><span style=\"font-weight: 400;\">Tubos de caldeiras de alta press\u00e3o, tubula\u00e7\u00f5es resistentes \u00e0 corros\u00e3o qu\u00edmica.<\/span><\/p>\n<h3><b>EN 10217 &#8220;Technical conditions for welded steel pipes&#8221;\u200b\u200b<\/b><\/h3>\n<p><b>Requisitos Essenciais:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Processo de soldagem e testes:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Par\u00e2metro<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Requerer<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">M\u00e9todos de soldagem<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Soldagem TIG (a\u00e7o inoxid\u00e1vel), soldagem SAW (a\u00e7o carbono)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Inspe\u00e7\u00e3o de solda<\/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 dureza<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u00c1rea de soldagem \u2264350 HV10<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">Aplica\u00e7\u00f5es industriais: tubula\u00e7\u00f5es de fornos de craqueamento de petr\u00f3leo, dutos de ar comprimido para navios.<\/span><\/p>\n<h3><b>Compara\u00e7\u00e3o de tecnologias: sistemas de qualidade EN vs. ASME\/ISO<\/b><\/h3>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Dimens\u00f5es<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Sistema de normas EN<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Normas ASME\/ISO<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Principais diferen\u00e7as e impactos<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Certifica\u00e7\u00e3o de Materiais<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 10204 3.2 (Obrigat\u00f3rio para Terceiros)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Se\u00e7\u00e3o II da ASME (Autoinspe\u00e7\u00e3o de Usinas Sider\u00fargicas)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Os dados EN s\u00e3o mais confi\u00e1veis, mas custam 25% a mais, enquanto a ASME se baseia no sistema de garantia de qualidade da f\u00e1brica.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Inspe\u00e7\u00e3o de Forjamento<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u200b\u200bEN 10228\u200b\u200b(UT+MT, fissura \u22645mm)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ASME SA-388 (UT, fissura \u22648mm)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">A norma EN possui uma toler\u00e2ncia a defeitos mais rigorosa e a taxa de refugo \u00e9 10%~15% maior do que a da norma ASME.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Teste de tubos de a\u00e7o<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u200b\u200bEN 10246 (ET + RT, poros \u2264 2 mm)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">API 5L (somente para temperatura ambiente, poros \u2264 3 mm)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">A detec\u00e7\u00e3o EN possui maior sensibilidade, mas o tempo de detec\u00e7\u00e3o aumenta em 30%.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Processo de soldagem<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 10217 (Soldagem TIG\/SAW obrigat\u00f3ria + controle de dureza)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ASME B31.3 (soldagem manual permitida)<\/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;\">Rastreabilidade<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Rastreabilidade completa do lote (EN 10204 3.2)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Rastreabilidade pelo n\u00famero do forno (material ASME)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">A rastreabilidade EN \u00e9 mais granular, mas os custos de gest\u00e3o documental s\u00e3o 20% mais elevados.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h1><b>Atuadores e Automa\u00e7\u00e3o<\/b><\/h1>\n<p><span style=\"font-weight: 400;\">Garantir a compatibilidade, confiabilidade e precis\u00e3o do controle de automa\u00e7\u00e3o de atuadores (pneum\u00e1ticos, el\u00e9tricos, hidr\u00e1ulicos) e v\u00e1lvulas para atender \u00e0s necessidades de regula\u00e7\u00e3o eficiente de processos industriais.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Padr\u00e3o n\u00ba.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Nome padr\u00e3o<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Requisitos de tecnologia de controle<\/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 do motorista<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Torque m\u00e1ximo do flange F10: 1200 Nm<\/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;\">Atuadores pneum\u00e1ticos<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Erro de linearidade a uma press\u00e3o da fonte de g\u00e1s de 0,5 a 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;\">Atuador el\u00e9trico<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Solu\u00e7\u00e3o integrada com prote\u00e7\u00e3o IP68 e certifica\u00e7\u00e3o \u00e0 prova de explos\u00e3o 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;\">Caracter\u00edsticas de fluxo da v\u00e1lvula de controle<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Modelo de verifica\u00e7\u00e3o matem\u00e1tica da curva caracter\u00edstica linear\/percentual igual<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">Compatibilidade inteligente: a norma EN 15714-3:2022 adiciona o protocolo de interface IoT (compat\u00edvel com OPC UA\/Modbus).<\/span><\/p>\n<h3><b>EN ISO 5211 &#8220;Valve drive installation interface&#8221;\u200b\u200b<\/b><\/h3>\n<p><b>Principais \u00e1reas tecnol\u00f3gicas:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Dimens\u00f5es da interface e capacidade de torque:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">C\u00f3digo de interface<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Dimens\u00f5es da cabe\u00e7a de acionamento quadrado (mm)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Torque m\u00e1ximo (Nm)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Tipo de atuador aplic\u00e1vel<\/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;\">Atuadores pneum\u00e1ticos de pequeno porte<\/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;\">Atuador el\u00e9trico (v\u00e1lvula 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;\">Atuador hidr\u00e1ulico (DN600 e acima)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Toler\u00e2ncia de montagem:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">O erro de coaxialidade do eixo de transmiss\u00e3o \u00e9 \u22640,1 mm\/m e o paralelismo da superf\u00edcie do flange \u00e9 \u22640,05 mm.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b>Aplica\u00e7\u00f5es industriais<\/b><span style=\"font-weight: 400;\">V\u00e1lvulas reguladoras qu\u00edmicas, v\u00e1lvulas de gaveta hidr\u00e1ulicas em usinas hidrel\u00e9tricas.<\/span><\/p>\n<h3><b>EN 15714-1\u300aTeste de atuadores pneum\u00e1ticos\u300b\u200b\u200b<\/b><\/h3>\n<figure id=\"attachment_19597\" aria-describedby=\"caption-attachment-19597\" style=\"width: 2000px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-19597 size-full\" src=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/c50baa71cdb03afedb187dce774080b.png\" alt=\"V\u00e1lvula de controle pneum\u00e1tico\" 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\/\">V\u00e1lvula de controle pneum\u00e1tica JH<\/a><\/figcaption><\/figure>\n<p><b>Requisitos essenciais para os testes:<\/b><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Itens de teste<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Condi\u00e7\u00f5es de teste<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Crit\u00e9rios de aceita\u00e7\u00e3o<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Teste de estanqueidade ao ar<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Press\u00e3o de ar de 0,6 MPa durante 5 minutos<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Queda de press\u00e3o \u2264 0,01 MPa<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Ciclo de vida\u200b\u200b<\/span><\/td>\n<td><span style=\"font-weight: 400;\">100.000 ciclos de abertura e fechamento (frequ\u00eancia \u2265 1Hz)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Taxa de vazamento \u22640,1\u00d7DN, flutua\u00e7\u00e3o de torque \u2264\u00b110%<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Desempenho em baixas temperaturas<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Operar 50 vezes a -40\u2103<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Desvio do hor\u00e1rio de abertura e fechamento \u2264\u00b115%<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><b>Aplica\u00e7\u00f5es t\u00edpicas<\/b><span style=\"font-weight: 400;\">V\u00e1lvula reguladora de press\u00e3o de g\u00e1s natural, v\u00e1lvula de diafragma de grau aliment\u00edcio.<\/span><\/p>\n<h3><b>\u00a0EN 15714-2\u300aTeste de atuador el\u00e9trico\u300b\u200b\u200b<\/b><\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-19598\" src=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/05\/279ae14bc3b6bab43b888f8100c91c1.png\" alt=\"Atuador El\u00e9trico\" 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>Requisitos essenciais para os testes:<\/b><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Itens de teste<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Condi\u00e7\u00f5es de teste<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Crit\u00e9rios de aceita\u00e7\u00e3o<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Prote\u00e7\u00e3o contra sobrecarga<\/span><\/td>\n<td><span style=\"font-weight: 400;\">1,5 vezes o torque nominal por 10 vezes continuamente<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Sem deforma\u00e7\u00e3o estrutural, flutua\u00e7\u00e3o de corrente \u2264\u00b110%<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Desempenho \u00e0 prova d&#039;\u00e1gua<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Prote\u00e7\u00e3o IP67 (1 metro submerso, 30 minutos)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Umidade interna \u226485%<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Anti-interfer\u00eancia EMC<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Operar sob interfer\u00eancia de radiofrequ\u00eancia de 10 V\/m<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Erro de feedback de posi\u00e7\u00e3o \u2264\u00b11%<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><b>Aplica\u00e7\u00e3o industrial<\/b><span style=\"font-weight: 400;\">V\u00e1lvula principal de vapor para usina nuclear, v\u00e1lvula reguladora para ind\u00fastria petroqu\u00edmica.<\/span><\/p>\n<h3><b>\u200b\u200bEN 60534 &#8220;Industrial Process Control Valves&#8221;\u200b\u200b<\/b><\/h3>\n<p><b>Conte\u00fado principal:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Verifica\u00e7\u00e3o das caracter\u00edsticas do fluxo:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Caracter\u00edsticas do fluxo<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Cen\u00e1rios aplic\u00e1veis<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Desvio permitido<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">porcentagem igual<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Regulamenta\u00e7\u00e3o de alta precis\u00e3o (ind\u00fastria qu\u00edmica)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Coeficiente de fluxo (Cv) \u00b15%<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Tipo de abertura r\u00e1pida<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Controle por interruptor (tratamento de \u00e1gua)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Curva de fluxo sist\u00f3lico \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;\">Teste de resposta ao degrau:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Altera\u00e7\u00f5es no sinal de entrada<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Tempo de resposta<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ultrapassagem<\/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 segundos (v\u00e1lvula reguladora)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u22645% valor de ajuste<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><b>Cen\u00e1rios de aplica\u00e7\u00e3o<\/b><span style=\"font-weight: 400;\">V\u00e1lvulas de controle de fluxo em refinarias, v\u00e1lvulas reguladoras de press\u00e3o em f\u00e1bricas farmac\u00eauticas.<\/span><\/p>\n<h3><b>Compara\u00e7\u00e3o de tecnologias: normas EN vs. IEC\/ISA<\/b><\/h3>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Dimens\u00f5es<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Sistema de normas EN<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Normas IEC\/ISA<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Principais diferen\u00e7as e impactos<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Interface do motorista<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN ISO 5211 (Interface da s\u00e9rie F, classifica\u00e7\u00e3o de torque)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">IEC 60534-6 (interface similar, sem classifica\u00e7\u00e3o de torque)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">A norma EN fornece a capacidade de torque quantificada, o que torna a sele\u00e7\u00e3o mais precisa, mas requer verifica\u00e7\u00e3o adicional do projeto.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Atuadores pneum\u00e1ticos<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 15714-1 (teste de vida \u00fatil de 100.000 ciclos)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ISA 75.10 (50.000 ciclos)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">A norma EN possui requisitos de confiabilidade mais elevados, mas o custo do atuador aumenta em 20%.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Atuador El\u00e9trico<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 15714-2 (impermeabilidade IP67 obrigat\u00f3ria)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">IEC 60534-8 (IP65 recomendado)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">A norma EN \u00e9 adequada para ambientes \u00famidos\/externos (como plataformas offshore), enquanto a norma IEC \u00e9 adequada para a ind\u00fastria em geral.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Desempenho da v\u00e1lvula de controle<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 60534 (Sobressinal da resposta ao degrau \u22645%)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ISA 75,25 (sobreimpulso \u2264 10%)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">O EN possui maior precis\u00e3o de controle, mas tem requisitos mais rigorosos quanto \u00e0 resposta din\u00e2mica do atuador.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h1><b>Padr\u00f5es de Manuten\u00e7\u00e3o e Renova\u00e7\u00e3o\u200b\u200b<\/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=\"Normas para Reparo e Modifica\u00e7\u00e3o de V\u00e1lvulas\" 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;\">Padronizar o processo de manuten\u00e7\u00e3o e modifica\u00e7\u00e3o de v\u00e1lvulas e sistemas de tubula\u00e7\u00e3o relacionados para garantir a integridade, seguran\u00e7a e vida \u00fatil dos equipamentos reparados.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Padr\u00e3o n\u00ba.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Nome padr\u00e3o<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Requisitos t\u00e9cnicos de manuten\u00e7\u00e3o<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 13480<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Renova\u00e7\u00e3o do sistema de tubula\u00e7\u00e3o<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Controle de temperatura de pr\u00e9-aquecimento para soldagem de manuten\u00e7\u00e3o online<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 12952<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Reparo de v\u00e1lvula de caldeira<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Verifica\u00e7\u00e3o do perfil de temperatura do tratamento t\u00e9rmico p\u00f3s-soldagem (PWHT)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 13445<\/span><\/td>\n<td><span style=\"font-weight: 400;\">V\u00e1lvula de suporte do vaso de press\u00e3o<\/span><\/td>\n<td><span style=\"font-weight: 400;\">O coeficiente de press\u00e3o do teste hidr\u00e1ulico ap\u00f3s a modifica\u00e7\u00e3o \u00e9 1,33\u00d7MAWP.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 10253<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Processo de reparo por soldagem<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Profundidade de retifica\u00e7\u00e3o do defeito \u2264 20%, faixa de reparo permitida para espessura da parede.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">Valor econ\u00f4mico: As v\u00e1lvulas reparadas de acordo com a norma EN 13480 podem ter sua vida \u00fatil prolongada em 15 anos (inspe\u00e7\u00e3o NDT anual obrigat\u00f3ria).<\/span><\/p>\n<h3><b>\u200bEN 13480 &#8220;Repair and replacement of metal industrial pipes&#8221;\u200b\u200b<\/b><\/h3>\n<p><b>\u00c1reas principais:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Requisitos do processo de manuten\u00e7\u00e3o:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Itens de manuten\u00e7\u00e3o<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Requisitos t\u00e9cnicos<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Cen\u00e1rios aplic\u00e1veis<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Substitui\u00e7\u00e3o parcial de tubula\u00e7\u00e3o<\/span><\/td>\n<td><span style=\"font-weight: 400;\">O novo material da tubula\u00e7\u00e3o \u00e9 quimicamente compat\u00edvel com a tubula\u00e7\u00e3o antiga (EN 10027-1).<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Tubos corro\u00eddos (perda de espessura \u2265 20%)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Reparo de soldagem<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Qualifica\u00e7\u00e3o do procedimento de acordo com a norma EN ISO 15614, Tratamento T\u00e9rmico P\u00f3s-Soldagem (PWHT)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Reparo de rachaduras em tubula\u00e7\u00f5es de vapor de alta temperatura<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Testes e verifica\u00e7\u00e3o:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">A se\u00e7\u00e3o de substitui\u00e7\u00e3o precisa ser testada de acordo com o ensaio 100% RT (EN 1435) ou PT\/MT (EN 1291), apresentando defeitos de fissura\u00e7\u00e3o \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>Requisitos principais:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Reparo de v\u00e1lvula de caldeira:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Projeto<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Padr\u00f5es de manuten\u00e7\u00e3o<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Indicadores de aceita\u00e7\u00e3o<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Reparo da v\u00e1lvula de seguran\u00e7a<\/span><\/td>\n<td><span style=\"font-weight: 400;\">A rugosidade da superf\u00edcie de veda\u00e7\u00e3o ap\u00f3s o retifica\u00e7\u00e3o \u00e9 Ra\u22640,4\u03bcm<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Desvio da press\u00e3o de disparo \u2264\u00b12%<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Soldagem de tubos de caldeira<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Temperatura de pr\u00e9-aquecimento \u2265150\u2103, temperatura entre camadas \u2264300\u2103<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Energia de impacto de soldagem \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;\">Testes NDT:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">\u00c1rea reparada 100% UT (EN 1714) + RT (EN 1435), comprimento de inclus\u00e3o de esc\u00f3ria \u2264 3mm.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3><b>EN 13445\u300aManuten\u00e7\u00e3o de vasos de press\u00e3o sem contato com chama\u300b\u200b\u200b<\/b><\/h3>\n<p><b>Especifica\u00e7\u00f5es principais:<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Modifica\u00e7\u00e3o da v\u00e1lvula do vaso de press\u00e3o:<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Tipo de reforma<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Requisitos t\u00e9cnicos<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Crit\u00e9rios de aceita\u00e7\u00e3o<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Atualiza\u00e7\u00e3o da v\u00e1lvula de seguran\u00e7a<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Capacidade de al\u00edvio de press\u00e3o \u2265 115% do projeto original<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Testado de acordo com a norma EN ISO 4126-1<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Revestimento de superf\u00edcie selada<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Resist\u00eancia \u00e0 temperatura do material de revestimento \u2265 temperatura de projeto + 50\u2103<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Taxa de vazamento de h\u00e9lio \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;\">Isen\u00e7\u00f5es do teste de impacto:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Quando o material n\u00e3o sofreu altera\u00e7\u00f5es e a temperatura de servi\u00e7o \u00e9 \u2265-10\u2103, o teste de impacto a -20\u2103 pode ser dispensado (sendo necess\u00e1rio um relat\u00f3rio de avalia\u00e7\u00e3o de riscos).<\/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=\"Manuten\u00e7\u00e3o de interfaces de v\u00e1lvulas e tubula\u00e7\u00f5es de soldagem\" 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>Conte\u00fado principal:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Soldagem de juntas danificadas:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">M\u00e9todo de reparo<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Requisitos do processo<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Tipos de defeitos aplic\u00e1veis<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Retifica\u00e7\u00e3o e reparo<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Perda de espessura da parede \u226410% da espessura original, transi\u00e7\u00e3o suave (inclina\u00e7\u00e3o 1:4)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Poros e arranh\u00f5es na superf\u00edcie<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Soldagem de reparo<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Temperatura de pr\u00e9-aquecimento \u2265 100\u2103, inspe\u00e7\u00e3o NDT de solda (UT+RT)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Fissuras internas (profundidade \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;\">Graus de ajuste alternativos:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Nota<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Requisitos de teste<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Press\u00e3o aplic\u00e1vel (PN)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">A<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Inspe\u00e7\u00e3o visual<\/span><\/td>\n<td><span style=\"font-weight: 400;\">PN10~PN16<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">D<\/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>Compara\u00e7\u00e3o t\u00e9cnica: normas de reparo EN vs. ASME\/API<\/b><\/h3>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Dimens\u00f5es<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Sistema de normas EN<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Normas ASME\/API<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Principais diferen\u00e7as e impactos<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Processo de soldagem<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 13480 (PWHT obrigat\u00f3rio, pr\u00e9-aquecimento \u2265 150\u00b0C)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ASME B31.3 (\u00c9 permitida isen\u00e7\u00e3o parcial de PWHT)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">O processo EN \u00e9 mais rigoroso e reduz a tens\u00e3o residual, mas as horas de trabalho aumentam em 30%.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Cobertura NDT<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 12952 (\u00c1rea de reparo 100% RT+UT)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">API 570 (Amostragem RT \u226520%)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Os custos dos testes EN s\u00e3o 50% mais elevados, mas a taxa de detec\u00e7\u00e3o de defeitos aumenta em 40%.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Isen\u00e7\u00e3o do teste de impacto<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 13445 (Isen\u00e7\u00e3o da avalia\u00e7\u00e3o de riscos das condi\u00e7\u00f5es de trabalho)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ASME VIII-1 (Teste de impacto obrigat\u00f3rio)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">A norma EN \u00e9 mais flex\u00edvel, enquanto os procedimentos da ASME s\u00e3o mais conservadores.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Reparo de solda<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 10253 (perda de espessura da parede \u2264 10% pode ser retificada)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ASME B31.1 (o reparo \u00e9 permitido se a perda de espessura da parede for \u22645%)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">A norma EN permite uma gama mais ampla de reparos, enquanto a ASME possui requisitos mais rigorosos.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h1><b>Padr\u00f5es de prote\u00e7\u00e3o ambiental e efici\u00eancia energ\u00e9tica<\/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=\"Prote\u00e7\u00e3o ambiental de v\u00e1lvulas e prote\u00e7\u00e3o ambiental das emiss\u00f5es de plantas qu\u00edmicas\" 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;\">Reduzir o consumo de energia e a polui\u00e7\u00e3o ambiental das v\u00e1lvulas e equipamentos relacionados para cumprir o Pacto Ecol\u00f3gico Europeu e as metas de redu\u00e7\u00e3o de carbono.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Padr\u00e3o n\u00ba.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Nome padr\u00e3o<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Requisitos de tecnologia verde<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 16247<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Avalia\u00e7\u00e3o da Efici\u00eancia Energ\u00e9tica de V\u00e1lvulas<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Modelo de rela\u00e7\u00e3o entre o valor do coeficiente de perda de press\u00e3o Kv e o consumo de energia do sistema.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 14394<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Baixas emiss\u00f5es fugitivas<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Solu\u00e7\u00e3o integrada certificada pela TA-Luft (taxa de vazamento \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;\">Selo para m\u00eddia t\u00f3xica<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Especifica\u00e7\u00e3o de projeto para caixa de gaxetas dupla para meio benzeno<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">EN 14015<\/span><\/td>\n<td><span style=\"font-weight: 400;\">V\u00e1lvula de respira\u00e7\u00e3o do tanque<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Requisitos de projeto estrutural para efici\u00eancia de recupera\u00e7\u00e3o de COVs \u2265 95%<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">Vincula\u00e7\u00e3o de certifica\u00e7\u00e3o: A aprova\u00e7\u00e3o na norma EN 14394 permite a obten\u00e7\u00e3o simult\u00e2nea da certifica\u00e7\u00e3o ISO 15848-1.<\/span><\/p>\n<h3><b>EN 16247 Auditoria Energ\u00e9tica<\/b><\/h3>\n<p><b>Requisitos Essenciais:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Indicadores de avalia\u00e7\u00e3o da efici\u00eancia energ\u00e9tica:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Tipo de v\u00e1lvula<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Consumo de energia por unidade (kWh\/ano\u00b7DN)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Meta de otimiza\u00e7\u00e3o (%)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">V\u00e1lvula de controle<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u22641500<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Reduzir em 15%~30%<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">V\u00e1lvula de parada<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u2264800<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Reduzir em 10%~20%<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Processo de auditoria:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Coleta de dados: Monitorar continuamente a queda de press\u00e3o na v\u00e1lvula, a taxa de vazamento e o consumo de energia do acionamento (por pelo menos 30 dias).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Plano de melhoria: adotar um design de baixa resist\u00eancia e um algoritmo de controle inteligente (como a otimiza\u00e7\u00e3o PID).<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b>Aplica\u00e7\u00f5es industriais<\/b><span style=\"font-weight: 400;\">Transforma\u00e7\u00e3o das v\u00e1lvulas do sistema de vapor em plantas qu\u00edmicas para economia de energia e otimiza\u00e7\u00e3o da liga\u00e7\u00e3o bomba-v\u00e1lvula em esta\u00e7\u00f5es de tratamento de \u00e1gua.<\/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>Especifica\u00e7\u00f5es principais:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Valores limite de emiss\u00e3o:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Poluentes<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Valor limite (g\/kWh)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Condi\u00e7\u00f5es de teste (ISO 8178)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">\u00d3xidos de nitrog\u00eanio (NOx)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u22643,5<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ciclo de carga completa<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Material particulado (MP)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u22640,1<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Curso est\u00e1vel<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Medidas t\u00e9cnicas:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Sistema de p\u00f3s-tratamento: SCR (Redu\u00e7\u00e3o Catal\u00edtica Seletiva) ou DPF (Filtro de Part\u00edculas).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Otimiza\u00e7\u00e3o de combust\u00edvel: Utiliza\u00e7\u00e3o de biodiesel (norma EN 14214).<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">\u200b\u200b<\/span><b>Aplica\u00e7\u00f5es t\u00edpicas<\/b><span style=\"font-weight: 400;\">Unidades m\u00f3veis de acionamento de v\u00e1lvulas hidr\u00e1ulicas (ex.: equipamentos de carga e descarga portu\u00e1ria).<\/span><\/p>\n<h3><b>\u200b\u200bEN 45544 &#8220;Control of Air Pollutants in the Workplace&#8221;\u200b\u200b<\/b><\/h3>\n<p><b>Conte\u00fado principal:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Limite de taxa de vazamento da v\u00e1lvula (cen\u00e1rio de g\u00e1s t\u00f3xico):<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Tipo de m\u00eddia<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Taxa de vazamento permitida (ppm)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">M\u00e9todos de detec\u00e7\u00e3o<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Sulfeto de hidrog\u00eanio (H\u2082S)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u22645<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Espectroscopia infravermelha (EN 45544-3)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Cloro (Cl\u2082)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u22641<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Sensores eletroqu\u00edmicos<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Design de prote\u00e7\u00e3o:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Estrutura de veda\u00e7\u00e3o dupla (fole + gaxeta).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Porta de descarga da extens\u00e3o da haste (coleta direcional de g\u00e1s com vazamento).<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b>Aplica\u00e7\u00f5es industriais<\/b><span style=\"font-weight: 400;\">V\u00e1lvulas para g\u00e1s natural contendo enxofre em plantas petroqu\u00edmicas, v\u00e1lvulas de sa\u00edda para eletrolisadores na ind\u00fastria cloro-\u00e1lcali.<\/span><\/p>\n<h3><b>EN 14015\u300aProjeto Ambiental de Tanques de Armazenamento\u300b\u200b\u200b<\/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=\"Prote\u00e7\u00e3o ambiental do tanque\" 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>Requisitos principais:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Indicadores de prote\u00e7\u00e3o ambiental das v\u00e1lvulas de tanques de armazenamento:<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Projeto<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u00cdndice<\/span><\/td>\n<td><span style=\"font-weight: 400;\">M\u00e9todo de teste<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Compostos Org\u00e2nicos Vol\u00e1teis (COVs)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Taxa de vazamento \u2264500ppm (detec\u00e7\u00e3o 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;\">risco de polui\u00e7\u00e3o por \u00e1guas pluviais<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Sa\u00edda da v\u00e1lvula COD\u226450mg\/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;\">Materiais e Processo:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">A carca\u00e7a da v\u00e1lvula de respiro do tanque \u00e9 feita de a\u00e7o inoxid\u00e1vel (1.4404) ou revestida com PTFE.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">As juntas de veda\u00e7\u00e3o sem vazamento (EN 1514-1) s\u00e3o usadas nas conex\u00f5es de flange.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b>Cen\u00e1rios de aplica\u00e7\u00e3o<\/b><span style=\"font-weight: 400;\">V\u00e1lvula de respiro de tanques de armazenamento de petr\u00f3leo bruto, v\u00e1lvula de fundo de tanques de armazenamento de produtos qu\u00edmicos.<\/span><\/p>\n<h3><b>Compara\u00e7\u00e3o t\u00e9cnica: normas EN vs. ISO\/API<\/b><\/h3>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Dimens\u00f5es<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Sistema de normas EN<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Normas ISO\/API<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Principais diferen\u00e7as e impactos<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Auditoria de Efici\u00eancia Energ\u00e9tica<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 16247 (\u00cdndice quantitativo do consumo espec\u00edfico de energia)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ISO 50001 (Estrutura do Sistema de Gest\u00e3o de Energia)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">A norma EN estabelece limites espec\u00edficos para o consumo de energia e a norma ISO fornece m\u00e9todos de gest\u00e3o, sendo que ambas se complementam.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Controle de Emiss\u00f5es<\/span><\/td>\n<td><span style=\"font-weight: 400;\">EN 14394 (NOx\u22643,5g\/kWh)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">API 536 (NOx\u22645,0g\/kWh)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Os limites EN s\u00e3o mais rigorosos e exigem a instala\u00e7\u00e3o de um sistema de p\u00f3s-processamento (custo +20%).<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Vazamento de g\u00e1s t\u00f3xico<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u200b\u200bEN 45544 (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;\">O limite EN \u00e9 metade do limite OSHA, exigindo um n\u00edvel de veda\u00e7\u00e3o mais elevado (design de veda\u00e7\u00e3o dupla).<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Prote\u00e7\u00e3o ambiental de tanques de armazenamento<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u200b\u200bEN 14015 (VOC\u2264500ppm, COD\u226450mg\/L)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">API 650 (sem limite de VOC, DQO\u2264100mg\/L)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Os requisitos de prote\u00e7\u00e3o ambiental da norma EN s\u00e3o mais rigorosos e as v\u00e1lvulas dos tanques precisam de projetos especiais (custo +15%).<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p class=\"entry-title\"><strong>Para obter mais informa\u00e7\u00f5es sobre a norma EN, visite-nos.<a href=\"\/en-valve\/\">\u300aAn\u00e1lise Abrangente das Normas EN para V\u00e1lvulas: Um Guia Essencial para os Regulamentos T\u00e9cnicos Europeus\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=\"Fabricante de v\u00e1lvulas JH\" width=\"2560\" height=\"1920\" srcset=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/04\/822f6f573772360da7c11a538201fb9-scaled.jpg 2560w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/04\/822f6f573772360da7c11a538201fb9-768x576.jpg 768w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/04\/822f6f573772360da7c11a538201fb9-1536x1152.jpg 1536w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/04\/822f6f573772360da7c11a538201fb9-2048x1536.jpg 2048w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/><\/p>","protected":false},"excerpt":{"rendered":"<p>\u200b\u200bFoundation design and pressure boundary\u200b\u200b Ensure that the valve can withstand pressure, temperature and mechanical loads throughout its life cycle to avoid the risk of [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":19608,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[35],"tags":[],"class_list":["post-19418","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-valve-international-standards"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Panoramic Analysis of EN Valve Standards: Technical Systems You Must Know for EU Market Acces -<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/janhenvalve.com\/pt_br\/padroes-de-valvulas-2\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" 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