{"id":19364,"date":"2025-04-22T07:27:41","date_gmt":"2025-04-22T07:27:41","guid":{"rendered":"https:\/\/janhenvalve.com\/?p=19364"},"modified":"2025-07-07T04:02:20","modified_gmt":"2025-07-07T04:02:20","slug":"en-valvula","status":"publish","type":"post","link":"https:\/\/janhenvalve.com\/pt_br\/en-valve\/","title":{"rendered":"An\u00e1lise abrangente das normas EN para v\u00e1lvulas: um guia essencial para os regulamentos t\u00e9cnicos europeus."},"content":{"rendered":"<h1><span style=\"font-weight: 400;\">O que \u00e9 a norma EN, o c\u00f3digo t\u00e9cnico da norma EN para v\u00e1lvulas?<\/span><\/h1>\n<h1><span style=\"font-weight: 400;\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-19458 aligncenter\" src=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/04\/27b8b5dec490d39a5296699e96553fb.jpg\" alt=\"Norma Europeia (EN)\" width=\"520\" height=\"345\" \/><\/span><\/h1>\n<p><span style=\"font-weight: 400;\">Normas EN, nome completo<\/span> <b>europeu<\/b> <span style=\"font-weight: 400;\">Norm, are unified technical specifications formulated by authoritative organizations such as the European Committee for Standardization (CEN) and the European Committee for Electrotechnical Standardization (CENELEC). The birth of these standards stems from the needs of the European integration process &#8211; to promote the free flow of goods, services and personnel within the EU by eliminating technical barriers between European member states. EN standards not only cover traditional industrial fields (such as machinery manufacturing and construction engineering), but also involve emerging technologies (such as renewable energy and digital security). In<\/span> <span style=\"font-weight: 400;\">No campo das v\u00e1lvulas, as normas EN definem todos os requisitos do processo em termos de materiais, projeto, testes, etc., e seu efeito legal \u00e9 equivalente ao das normas nacionais nos estados membros da UE.<\/span> <span style=\"font-weight: 400;\">Seu processo de formula\u00e7\u00e3o enfatiza o equil\u00edbrio de interesses de m\u00faltiplas partes, e empresas, governos e organiza\u00e7\u00f5es de consumidores participam em conjunto para garantir a cientificidade e a universalidade das normas.<\/span><\/p>\n<h3><b>O estatuto jur\u00eddico das normas EN: a fronteira entre o obrigat\u00f3rio e o volunt\u00e1rio<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">No mercado da UE, o efeito jur\u00eddico das normas EN depende de serem ou n\u00e3o referenciadas por diretivas da UE.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-19463\" src=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/04\/685e934e2cc12d6bcacc731ed709ff2-scaled.png\" alt=\"Normas de v\u00e1lvulas EN\" width=\"833\" height=\"468\" srcset=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/04\/685e934e2cc12d6bcacc731ed709ff2-scaled.png 2560w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/04\/685e934e2cc12d6bcacc731ed709ff2-768x432.png 768w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/04\/685e934e2cc12d6bcacc731ed709ff2-1536x864.png 1536w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/04\/685e934e2cc12d6bcacc731ed709ff2-2048x1152.png 2048w\" sizes=\"auto, (max-width: 833px) 100vw, 833px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">Por exemplo:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Conformidade obrigat\u00f3ria<\/b> <span style=\"font-weight: 400;\">: CE certification is the &#8220;passport&#8221; to enter the EU market, and the core of CE certification is to comply with relevant EN standards. Taking the Machinery Directive (2006\/42\/EC) as an example, companies must meet<\/span> <b>EN ISO 12100<\/b> <span style=\"font-weight: 400;\">(Princ\u00edpios Gerais de Seguran\u00e7a de M\u00e1quinas) antes de poderem exibir a marca CE em seus produtos.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Padr\u00f5es recomendados<\/b> <span style=\"font-weight: 400;\">As normas EN que n\u00e3o s\u00e3o referenciadas em diretivas (como os documentos de inspe\u00e7\u00e3o de materiais EN 10204) n\u00e3o s\u00e3o obrigat\u00f3rias, mas s\u00e3o geralmente consideradas boas pr\u00e1ticas pela ind\u00fastria. Seguir essas normas pode melhorar significativamente a confian\u00e7a na cadeia de suprimentos e reduzir o risco de disputas comerciais.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Para os Estados-Membros, as normas EN t\u00eam prioridade. Por exemplo, ap\u00f3s a convers\u00e3o da norma nacional alem\u00e3 (DIN) para uma norma EN, a norma DIN original \u00e9 abolida, garantindo um elevado grau de uniformidade nas especifica\u00e7\u00f5es t\u00e9cnicas europeias.<\/span><\/p>\n<h1><span style=\"font-weight: 400;\">Vis\u00e3o geral das normas EN para n\u00facleos de v\u00e1lvulas<\/span><\/h1>\n<table>\n<tbody>\n<tr>\n<td style=\"text-align: center;\"><b>N\u00famero padr\u00e3o<\/b><\/td>\n<td style=\"text-align: center;\"><b>Requisitos Essenciais<\/b><\/td>\n<td style=\"text-align: center;\"><b>Cen\u00e1rios de aplica\u00e7\u00e3o t\u00edpicos<\/b><\/td>\n<td style=\"text-align: center;\"><b>Par\u00e2metros\/Diferen\u00e7as Principais<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">EN 593<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Grau de veda\u00e7\u00e3o da v\u00e1lvula borboleta, c\u00e1lculo de torque, teste de vida \u00fatil<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Controle de processos qu\u00edmicos, sistema de tratamento de \u00e1gua<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Taxa de vazamento L1 \u2264 0,1% \u00d7 DN<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">\u200b\u200bEN 12266-1\u200b\u200b<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Classifica\u00e7\u00e3o do teste de press\u00e3o da carca\u00e7a e das veda\u00e7\u00f5es da v\u00e1lvula<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Plataforma petrol\u00edfera, v\u00e1lvula de seguran\u00e7a de central nuclear<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Grau A: press\u00e3o de 1,5\u00d7PN por 2 minutos<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">\u200b\u200bPT 12516\u200b\u200b<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">M\u00e9todo de c\u00e1lculo da espessura da parede do corpo da v\u00e1lvula e verifica\u00e7\u00e3o da resist\u00eancia<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Projeto de v\u00e1lvula de vapor para alta temperatura e alta press\u00e3o<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Erro de c\u00e1lculo da f\u00f3rmula \u2264 \u00b13%<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">\u200b\u200bEN 1984\u200b\u200b<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Limita\u00e7\u00f5es da composi\u00e7\u00e3o qu\u00edmica e das propriedades mec\u00e2nicas dos materiais met\u00e1licos<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Sele\u00e7\u00e3o de materiais para v\u00e1lvulas em meio \u00e1cido, certifica\u00e7\u00e3o para \u00e1gua pot\u00e1vel<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">O teor de Cr do a\u00e7o inoxid\u00e1vel 316L deve ser \u226516,5%.<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">EN 15634<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Requisitos de resist\u00eancia do material e especifica\u00e7\u00f5es de montagem para condi\u00e7\u00f5es de trabalho em baixas temperaturas.<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Armazenamento e transporte de GNL, v\u00e1lvula de fornecimento de nitrog\u00eanio l\u00edquido<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Energia de impacto a -196 \u00b0C \u2265 27 J<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">EN 1092-1<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Dimens\u00f5es do flange, precis\u00e3o da superf\u00edcie de veda\u00e7\u00e3o, toler\u00e2ncia de posicionamento dos furos dos parafusos<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Projeto de conex\u00e3o de dutos para projetos da UE<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">12% \u00e9 mais espesso que o flange padr\u00e3o americano.<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">EN 15714-3<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Padroniza\u00e7\u00e3o do protocolo de interface de dados e fun\u00e7\u00f5es de diagn\u00f3stico de v\u00e1lvulas inteligentes<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">F\u00e1brica digital, sistema de monitoramento remoto de IoT<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Suporta comunica\u00e7\u00e3o OPC UA (EN 62541)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><b>Para obter mais informa\u00e7\u00f5es sobre as normas, consulte nosso guia de interpreta\u00e7\u00e3o detalhado:<\/b><a href=\"\/en-valve-standards\/\"><strong>\u300aAn\u00e1lise panor\u00e2mica das normas EN para v\u00e1lvulas: Sistemas t\u00e9cnicos essenciais para acesso ao mercado da UE\u300b<\/strong><\/a><\/p>\n<h1><span style=\"font-weight: 400;\">EN standard clauses that global valve buyers pay most attention to: &#8220;Technical codes&#8221; that must be checked in supply chain audits\u200b\u200b<\/span><\/h1>\n<p><span style=\"font-weight: 400;\">In international valve procurement, the purchaser&#8217;s engineering team often holds an &#8220;EN standard verification list&#8221; and these terms directly determine whether a supplier can be included in the shortlist.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-19459\" src=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/04\/1dbc8957b82e53744a292ace4f962b5-scaled.png\" alt=\"Normas de v\u00e1lvulas EN\" width=\"2560\" height=\"1440\" srcset=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/04\/1dbc8957b82e53744a292ace4f962b5-scaled.png 2560w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/04\/1dbc8957b82e53744a292ace4f962b5-768x432.png 768w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/04\/1dbc8957b82e53744a292ace4f962b5-1536x864.png 1536w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/04\/1dbc8957b82e53744a292ace4f962b5-2048x1152.png 2048w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/><\/p>\n<h3>As 7 cl\u00e1usulas de alto perfil s\u00e3o as barreiras competitivas que os fabricantes devem priorizar:<\/h3>\n<ol>\n<li><span style=\"font-weight: 400;\"> EN 12266-1 \u00a76.2: N\u00edvel de teste de press\u00e3o (Classe A\/Classe B)<\/span><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400;\">Por que vale a pena prestar aten\u00e7\u00e3o nisso:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ind\u00fastria compradora: Projetos petroqu\u00edmicos e de energia nuclear (100%) exigem testes de Classe A.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Par\u00e2metros-chave:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Grau A: 1,5\u00d7PN (press\u00e3o nominal) por 2 minutos<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Grau B: 1,1\u00d7PN, manter a press\u00e3o por 60 segundos<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">An\u00e1lise do comprador com foco em:<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Exigir que os fornecedores forne\u00e7am v\u00eddeos de teste com registro de data e hora (para evitar a falsifica\u00e7\u00e3o da press\u00e3o m\u00e1xima instant\u00e2nea).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Verificar o certificado de calibra\u00e7\u00e3o do man\u00f4metro para precis\u00e3o de acordo com a norma EN 837-1 Classe 0,6.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">2. EN 593 Tabela 4: Classifica\u00e7\u00e3o da taxa de vazamento admiss\u00edvel de v\u00e1lvulas borboleta<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Principais dificuldades enfrentadas pelos compradores:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">A diferen\u00e7a de pre\u00e7o entre L1 (vazamento vis\u00edvel zero) e L4 (permite pequenas bolhas) \u00e9 de 35%.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Os projetos de tratamento de \u00e1gua geralmente exigem o n\u00edvel L2 (\u22640,1\u00d7DN litros\/minuto).<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">Riscos ocultos:<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">Alguns fornecedores passaram no teste \u00e0 temperatura ambiente, mas n\u00e3o realizaram um novo teste de vazamento a quente a 50\u00b0C de acordo com a norma EN 593 \u00a78.3.<\/span><\/li>\n<\/ul>\n<p><b>3. F\u00f3rmula EN 12516-3: c\u00e1lculo da espessura m\u00ednima da parede do corpo da v\u00e1lvula<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Foco da disputa:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Os compradores frequentemente questionam se a margem de espessura da parede \u00e9 muito grande (suspeitando que o projeto esteja com pre\u00e7o excessivo).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">A inspe\u00e7\u00e3o de f\u00e1brica da UE analisar\u00e1 os par\u00e2metros de c\u00e1lculo originais (como o valor da tens\u00e3o admiss\u00edvel do material).<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Dicas para inspe\u00e7\u00e3o de f\u00e1brica:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Exigir que os fornecedores demonstrem o processo de opera\u00e7\u00e3o do software de c\u00e1lculo EN 12516 no local (para evitar o uso de vers\u00f5es desatualizadas).<\/span><\/li>\n<\/ul>\n<p><b>4. EN 1984 \u00a76.2.3: Limites de metais pesados \u200b\u200bpara v\u00e1lvulas de \u00e1gua pot\u00e1vel<\/b><\/p>\n<p><b>Indicadores concretos:<\/b><\/p>\n<ul>\n<li aria-level=\"1\"><b>Teor de chumbo \u2264 0,25% (aplic\u00e1vel ao ferro fundido d\u00factil EN-GJS-400-18-LT)<\/b><\/li>\n<\/ul>\n<ul>\n<li aria-level=\"1\"><b>Libera\u00e7\u00e3o de n\u00edquel \u2264 0,1 mg\/dm\u00b2 (m\u00e9todo de teste EN 15664-1)<\/b><\/li>\n<\/ul>\n<p><b>\u00c1rea cega de detec\u00e7\u00e3o:<\/b><\/p>\n<ul>\n<li aria-level=\"1\"><b>\u00c9 necess\u00e1rio enviar o material para um laborat\u00f3rio independente (como a SGS) para verificar a autenticidade do certificado do material e evitar que o fornecedor adultere o relat\u00f3rio EN 10204.<\/b><\/li>\n<\/ul>\n<p><b>5. EN 15634 \u00a77.3: Requisitos de energia de impacto a baixas temperaturas<\/b><\/p>\n<p><b>Limite de condi\u00e7\u00f5es extremas de trabalho:<\/b><\/p>\n<table>\n<tbody>\n<tr>\n<td><b>temperatura<\/b><\/td>\n<td><b>Material<\/b><\/td>\n<td><b>Requisitos de energia de impacto (ensaio Charpy com entalhe em V)<\/b><\/td>\n<\/tr>\n<tr>\n<td><b>-196\u2103<\/b><\/td>\n<td><b>X8Ni9<\/b><\/td>\n<td><b>\u226527J<\/b><\/td>\n<\/tr>\n<tr>\n<td><b>-50\u2103<\/b><\/td>\n<td><b>A\u00e7o inoxid\u00e1vel 316L<\/b><\/td>\n<td><b>\u226534J<\/b><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><b>Armadilha de compra: Alguns fornecedores usam resfriamento r\u00e1pido com nitrog\u00eanio l\u00edquido em vez de um ambiente cont\u00ednuo de baixa temperatura, resultando em distor\u00e7\u00e3o dos dados de tenacidade do material.<\/b><\/p>\n<p><b>6. EN 1092-1 Tabela 9: Rugosidade da superf\u00edcie de veda\u00e7\u00e3o do flange<\/b><\/p>\n<p><b>Pontos de conflito nas cadeias de abastecimento transfronteiri\u00e7as:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">A norma EN exige Ra\u22643,2\u03bcm, e a norma americana ASME B16.5 permite Ra\u22646,3\u03bcm.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Misturar flanges pode causar falha na junta (comum em projetos de empreitada geral EPC).<\/span><\/li>\n<\/ul>\n<p><b>Principais pontos do contrato de compra:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It must be stated in the technical appendix that &#8220;the flange machining accuracy is in accordance with EN 1092-1, and no equivalent alternative standards are accepted&#8221;<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">7. EN 10204 3.1\/3.2: N\u00edveis de rastreabilidade de materiais<\/span><\/p>\n<p><b>Diferen\u00e7as entre os certificados:<\/b><\/p>\n<table>\n<tbody>\n<tr>\n<td><b>Tipo de certificado<\/b><\/td>\n<td><b>Intervalo de dados<\/b><\/td>\n<td><b>Aceita\u00e7\u00e3o do comprador<\/b><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">3.1<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Composi\u00e7\u00e3o qu\u00edmica de lote \u00fanico + propriedades mec\u00e2nicas<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Geral para projetos de engenharia civil<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">3.2<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Relat\u00f3rio de reinspe\u00e7\u00e3o por terceiros<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Requisitos obrigat\u00f3rios para projetos de energia nuclear e militares<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><b>Chave de auditoria: Verifique o n\u00famero da vers\u00e3o da norma EN no certificado (por exemplo, EN 10204:2022 substituiu a vers\u00e3o de 2013).<\/b><\/p>\n<h3><b>3 motiva\u00e7\u00f5es ocultas para os compradores analisarem as normas EN<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u200b\u200b<\/span><b>Transfer\u00eancia de risco<\/b><span style=\"font-weight: 400;\">Defina claramente os limites da responsabilidade por meio de cl\u00e1usulas EN (por exemplo, se a v\u00e1lvula estourar ap\u00f3s a especifica\u00e7\u00e3o do n\u00edvel EN 12266-A, o fabricante ser\u00e1 totalmente respons\u00e1vel).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Previs\u00e3o de custos<\/b><span style=\"font-weight: 400;\">Comparar os par\u00e2metros t\u00e9cnicos de diferentes n\u00edveis EN para calcular com precis\u00e3o o custo do ciclo de vida (por exemplo, uma v\u00e1lvula borboleta de n\u00edvel 1 pode reduzir os custos de manuten\u00e7\u00e3o em 25%).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Auditoria de conformidade<\/b><span style=\"font-weight: 400;\">: Meet the &#8220;supply chain standardization rate&#8221; indicator in the EU ESG report (suppliers using EN standards can add 10-15 points)<\/span><\/li>\n<\/ul>\n<h3><b>3 principais pontos cegos na auditoria da norma EN que os compradores costumam ignorar<\/b><\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-19464\" src=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/04\/8a119f8d7b3461ad056b9d5d91ff358-scaled.png\" alt=\"Normas de v\u00e1lvulas EN\" width=\"2560\" height=\"1440\" srcset=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/04\/8a119f8d7b3461ad056b9d5d91ff358-scaled.png 2560w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/04\/8a119f8d7b3461ad056b9d5d91ff358-768x432.png 768w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/04\/8a119f8d7b3461ad056b9d5d91ff358-1536x864.png 1536w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/04\/8a119f8d7b3461ad056b9d5d91ff358-2048x1152.png 2048w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/><\/p>\n<p><b>1: Atualidade da vers\u00e3o padr\u00e3o<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Caso fatal<\/b><span style=\"font-weight: 400;\">Foi encomendado um projeto para modificar todo o dispositivo porque ele utilizava o projeto da vers\u00e3o EN 593:2012 (que j\u00e1 foi abolida).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u200b\u200b<\/span><b>Contramedidas<\/b><span style=\"font-weight: 400;\">\u200b\u200b:<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">Visite o site oficial do CEN para verificar a validade da norma (por exemplo, a vers\u00e3o atual da EN 12266-1 \u00e9 a vers\u00e3o de 2022).<\/span><\/li>\n<\/ul>\n<p><b>2: Termos Espec\u00edficos Regionais<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Requisitos especiais para projetos alem\u00e3es<\/b><span style=\"font-weight: 400;\">:<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">As normas DIN EN frequentemente incluem cl\u00e1usulas espec\u00edficas (por exemplo, a norma DIN EN 1092-1 exige que os chanfros dos furos dos parafusos do flange sejam de 0,3 mm).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Contramedidas<\/b><span style=\"font-weight: 400;\">\u200b\u200b:<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">Especifique o pa\u00eds do projeto durante a fase de consulta (por exemplo, a Alemanha precisa atender \u00e0s cl\u00e1usulas adicionais da norma DIN).<\/span><\/li>\n<\/ul>\n<p><b>3: Integridade referencial padr\u00e3o<\/b><\/p>\n<ul>\n<li aria-level=\"1\"><b>Perguntas t\u00edpicas:<\/b><b><br \/>\n<\/b><b>O fornecedor apenas declara conformidade com a norma EN 12266, mas n\u00e3o especifica a Parte espec\u00edfica (como, por exemplo, a norma de ensaio da Parte 1\/regras de aceita\u00e7\u00e3o da Parte 2).<\/b><\/li>\n<\/ul>\n<ul>\n<li aria-level=\"1\"><b>Exemplo de especifica\u00e7\u00e3o de contrato:<\/b><b><br \/>\n<\/b><b>\u201cAs v\u00e1lvulas devem atender aos crit\u00e9rios de teste Classe A da norma EN 12266-1:2022 e aos crit\u00e9rios de aceita\u00e7\u00e3o da norma EN 12266-2:2018.\u201d<\/b><\/li>\n<\/ul>\n<h3><span style=\"font-weight: 400;\">Kit de ferramentas para verifica\u00e7\u00e3o das normas EN para compradores<\/span><\/h3>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Manual de Refer\u00eancia R\u00e1pida da Norma EN<\/b><span style=\"font-weight: 400;\">:<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">Organize as cl\u00e1usulas principais das normas EN relacionadas a v\u00e1lvulas (como a tabela de taxa de vazamento EN 593 e a f\u00f3rmula EN 12516).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Formul\u00e1rio de autoinspe\u00e7\u00e3o do fornecedor<\/b><span style=\"font-weight: 400;\">:<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">Exigir que os fornecedores verifiquem a conformidade com a norma EN item por item (com o n\u00famero da p\u00e1gina original dos dados de teste em anexo).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Plano de Resolu\u00e7\u00e3o de Conflitos<\/b><span style=\"font-weight: 400;\">:<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">It is stipulated in the contract: &#8220;The right to interpret EN standards shall be based on the original English version, excluding conflicts with local regulations&#8221;<\/span><\/li>\n<\/ol>\n<h1><span style=\"font-weight: 400;\">Why are EN standards more stringent? Material and safety factor &#8220;EU threshold&#8221;\u200b\u200b<\/span><\/h1>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-19460\" src=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/04\/29f2db20dd57c9223735b8c11c1b72a-scaled.png\" alt=\"V\u00e1lvula EN\" width=\"2560\" height=\"1440\" srcset=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/04\/29f2db20dd57c9223735b8c11c1b72a-scaled.png 2560w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/04\/29f2db20dd57c9223735b8c11c1b72a-768x432.png 768w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/04\/29f2db20dd57c9223735b8c11c1b72a-1536x864.png 1536w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/04\/29f2db20dd57c9223735b8c11c1b72a-2048x1152.png 2048w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">Em compara\u00e7\u00e3o com os sistemas API e ISO, as normas EN estabeleceram barreiras t\u00e9cnicas de n\u00edvel superior em termos de especifica\u00e7\u00f5es de sele\u00e7\u00e3o de materiais e projeto de redund\u00e2ncia de seguran\u00e7a, o que se reflete diretamente em:<\/span><\/p>\n<h3><b>\u200b\u200bThe &#8220;double shackles&#8221; of material performance\u200b\u200b<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Controle preciso da composi\u00e7\u00e3o qu\u00edmica: a norma EN 1984 possui limites tr\u00eas vezes mais rigorosos para elementos tra\u00e7o em materiais de v\u00e1lvulas fundidas do que a API 600 (por exemplo, teor de chumbo \u2264 0,25%, enquanto a API permite 0,35%).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Sistema de verifica\u00e7\u00e3o de condi\u00e7\u00f5es extremas de trabalho: A norma EN 15634 exige que as v\u00e1lvulas criog\u00eanicas passem por um teste de impacto cont\u00ednuo a -196 \u00b0C, enquanto a norma ISO 28902 exige apenas verifica\u00e7\u00e3o ambiental a -50 \u00b0C.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Resist\u00eancia \u00e0 corros\u00e3o ao longo de todo o ciclo de vida: A norma EN 12569 estipula que as v\u00e1lvulas para meios \u00e1cidos devem fornecer dados de testes de corros\u00e3o acelerada durante 10 anos, superando em muito o padr\u00e3o de refer\u00eancia de 5 anos da norma ASME B16.34.<\/span><\/li>\n<\/ul>\n<h3><b>\u200b\u200b &#8220;Mathematical Crushing&#8221; of Safety Factor\u200b\u200b<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Diferen\u00e7as nas f\u00f3rmulas de c\u00e1lculo da espessura da parede: A norma EN 12516 utiliza o m\u00e9todo de superposi\u00e7\u00e3o de tens\u00f5es din\u00e2micas, que leva em considera\u00e7\u00e3o uma margem de fadiga maior do que a f\u00f3rmula est\u00e1tica da API 600.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Projeto redundante para press\u00e3o de ruptura: A norma EN 12266-1 exige que as v\u00e1lvulas Classe A suportem 1,5 vezes a press\u00e3o PN, enquanto a norma API 598 testa apenas 1,1 vezes a press\u00e3o.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Mecanismo de preven\u00e7\u00e3o de falhas de veda\u00e7\u00e3o: A classifica\u00e7\u00e3o de taxa de vazamento EN 593 define o padr\u00e3o L1 como vazamento 0, que \u00e9 mais rigoroso do que o n\u00edvel AA da ISO 5208 (que permite vazamento de 0,001%).<\/span><\/li>\n<\/ul>\n<h1><span style=\"font-weight: 400;\">A rela\u00e7\u00e3o simbi\u00f3tica entre a certifica\u00e7\u00e3o CE e as normas EN: o primeiro passo para o conhecimento em exporta\u00e7\u00e3o de v\u00e1lvulas.<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-19456\" src=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/04\/29ce3e85278981ca0d59147c08e2ccd.jpg\" alt=\"Certifica\u00e7\u00e3o CE\" width=\"1312\" height=\"616\" srcset=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/04\/29ce3e85278981ca0d59147c08e2ccd.jpg 1312w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/04\/29ce3e85278981ca0d59147c08e2ccd-768x361.jpg 768w\" sizes=\"auto, (max-width: 1312px) 100vw, 1312px\" \/><\/span><\/h1>\n<p><span style=\"font-weight: 400;\">Simply put, CE certification is the legal threshold, and EN standards are the technical answers. When EU regulations require valves to be &#8220;safe and reliable&#8221;, EN standards translate it into specific numbers &#8211; such as bolt strength, leakage rate, material composition &#8211; and CE certification is to check whether these numbers meet the standards.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Pontos principais:<\/span><\/p>\n<ul>\n<li aria-level=\"1\"><b>Obrigatoriedade legal:<\/b><b><br \/>\n<\/b><b>A base legal para a certifica\u00e7\u00e3o CE (como a Diretiva PED) exige explicitamente a utiliza\u00e7\u00e3o das normas EN para a verifica\u00e7\u00e3o do produto, o que significa:<\/b><\/li>\n<\/ul>\n<ul>\n<li aria-level=\"3\"><b>Produtos projetados com base em normas n\u00e3o EN (como ASME\/API) n\u00e3o podem obter a certifica\u00e7\u00e3o CE, mesmo que apresentem melhor desempenho.<\/b><\/li>\n<\/ul>\n<ul>\n<li aria-level=\"3\"><b>As autoridades aduaneiras da UE podem apreender diretamente produtos com certifica\u00e7\u00e3o CE que n\u00e3o atendam aos padr\u00f5es EN.<\/b><\/li>\n<\/ul>\n<ul>\n<li aria-level=\"1\"><b>Implementa\u00e7\u00e3o t\u00e9cnica:<\/b><b><br \/>\n<\/b><b>As normas EN fornecem solu\u00e7\u00f5es prontas para a certifica\u00e7\u00e3o CE:<\/b><\/li>\n<\/ul>\n<ul>\n<li aria-level=\"3\"><b>A norma EN 12516 resolve problemas de c\u00e1lculo de resist\u00eancia.<\/b><\/li>\n<\/ul>\n<ul>\n<li aria-level=\"3\"><b>EN 12266 M\u00e9todos de ensaio espec\u00edficos<\/b><\/li>\n<\/ul>\n<ul>\n<li aria-level=\"3\"><b>A norma EN 10204 garante a rastreabilidade dos materiais.<\/b><\/li>\n<\/ul>\n<ul>\n<li aria-level=\"1\"><b>Armadilha da falta de oportunidade:<\/b><b><br \/>\n<\/b><b>As normas EN s\u00e3o atualizadas em m\u00e9dia a cada 5 anos, e os certificados CE antigos podem perder a validade (por exemplo, ap\u00f3s a norma EN 593:2023 substituir a vers\u00e3o de 2012 a partir de 2024, o certificado original ser\u00e1 imediatamente invalidado).<\/b><\/li>\n<\/ul>\n<p><b>Saiba mais sobre o \u300aGuia de Normas de Certifica\u00e7\u00e3o CE\u300b<\/b><\/p>\n<h1><span style=\"font-weight: 400;\">A principal diferen\u00e7a entre as normas EN e as normas ISO e API.<\/span><\/h1>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-19466\" src=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/04\/895cbc763357a80b550343eee5232df.jpg\" alt=\"EN ou ISO ou API\" width=\"2048\" height=\"358\" srcset=\"https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/04\/895cbc763357a80b550343eee5232df.jpg 2048w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/04\/895cbc763357a80b550343eee5232df-768x134.jpg 768w, https:\/\/janhenvalve.com\/wp-content\/uploads\/2025\/04\/895cbc763357a80b550343eee5232df-1536x269.jpg 1536w\" sizes=\"auto, (max-width: 2048px) 100vw, 2048px\" \/><\/p>\n<table>\n<tbody>\n<tr>\n<td><b>Sistema padr\u00e3o<\/b><\/td>\n<td><b>\u00c2mbito de aplica\u00e7\u00e3o<\/b><\/td>\n<td style=\"text-align: center;\"><b>Efeito legal<\/b><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Casos de diferen\u00e7a t\u00edpicos<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">\u200b\u200bPT\u200b,<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Pa\u00edses da UE e da EFTA<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Obrigat\u00f3rio<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">A espessura do flange EN 1092 \u00e9, em m\u00e9dia, 12% maior que a do ASME B16.5.<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">ISO<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Aplic\u00e1vel globalmente<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Recomendado (salvo indica\u00e7\u00e3o em contr\u00e1rio na Inglaterra)<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">EN ISO 10497 = ISO 10497 (equivalente a teste de inc\u00eandio)<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">API<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Ind\u00fastria de petr\u00f3leo e g\u00e1s<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Pr\u00e1ticas da Ind\u00fastria<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">O m\u00e9todo de c\u00e1lculo da espessura da parede da v\u00e1lvula de gaveta API 600 \u00e9 5%-8%, diferente da norma EN 12516.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">Nota: Ao exportar v\u00e1lvulas para a UE, mesmo que as normas API ou ISO sejam cumpridas, as normas EN devem ser implementadas primeiro.<\/span><\/p>\n<h3><b>EN vs API\/ISO: Como as diferen\u00e7as na l\u00f3gica de projeto afetam as decis\u00f5es de compra?<\/b><\/h3>\n<table>\n<tbody>\n<tr>\n<td><b>Dimens\u00f5es comparativas (mercado europeu)<\/b><\/td>\n<td style=\"text-align: center;\"><b>l\u00f3gica de projeto padr\u00e3o EN<\/b><\/td>\n<td style=\"text-align: center;\"><b>l\u00f3gica de projeto API\/ISO<\/b><\/td>\n<td style=\"text-align: center;\"><b>Influ\u00eancia das decis\u00f5es de compra<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Sele\u00e7\u00e3o de materiais<\/span><\/td>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">Lista obrigat\u00f3ria de materiais nacionais da UE (como, por exemplo, a exig\u00eancia de a\u00e7o inoxid\u00e1vel EN 10088)<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Permite a substitui\u00e7\u00e3o global de materiais por equival\u00eancia.<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">A utiliza\u00e7\u00e3o de materiais de acordo com as normas americanas exige uma nova certifica\u00e7\u00e3o EN.<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Fator de seguran\u00e7a<\/span><\/td>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">Ajustar dinamicamente a redund\u00e2ncia de acordo com a Base de Dados de Acidentes Industriais da UE (por exemplo, a vers\u00e3o de 2023 da norma EN 12516 aumenta o fator de seguran\u00e7a das v\u00e1lvulas de alta temperatura em 8%).<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Coeficientes fixos baseados na experi\u00eancia hist\u00f3rica<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">A vers\u00e3o EN do mesmo modelo de v\u00e1lvula (10-20%) \u00e9 mais pesada que a vers\u00e3o API.<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Ciclo de verifica\u00e7\u00e3o<\/span><\/td>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">Exigir que laborat\u00f3rios terceirizados realizem reinspe\u00e7\u00f5es anuais (a norma EN 10204:2022 adiciona o armazenamento de evid\u00eancias em blockchain).<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Principalmente autoinspe\u00e7\u00e3o pelas empresas<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Ciclo de compras prorrogado em 15 a 30 dias.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">\u200b\u200bNote to buyers\u200b\u200b: In EU EPC projects, even if the API valve performance meets the standards, if it does not meet the &#8220;preventive design concept&#8221; of the EN standard (such as not calculating the carbon footprint according to EN 17033), it will still be judged as a technical deviation item, resulting in the bid being rejected.<\/span><\/p>\n<h3><b>Sinergia e diferen\u00e7as entre as normas EN e ISO<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Many EN standards are directly equivalent to international standards (ISO), and are presented in a dual format of **&#8221;EN ISO**. For example:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>EN ISO 9001<\/b> <span style=\"font-weight: 400;\">Uma estrutura global para sistemas de gest\u00e3o da qualidade. As empresas que obt\u00eam esta certifica\u00e7\u00e3o padr\u00e3o n\u00e3o s\u00f3 cumprem os requisitos da CE da UE, como tamb\u00e9m podem atuar no mercado internacional.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>EN ISO 5208<\/b> <span style=\"font-weight: 400;\">O padr\u00e3o ouro para testes de taxa de vazamento de v\u00e1lvulas, usado por empresas qu\u00edmicas e de energia em todo o mundo para avaliar o desempenho de veda\u00e7\u00e3o do produto.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">No entanto, as normas EN n\u00e3o s\u00e3o uma c\u00f3pia integral das normas ISO, e as suas diferen\u00e7as refletem-se em:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Suplemento localizado<\/b> <span style=\"font-weight: 400;\">As normas EN podem adicionar requisitos t\u00e9cnicos espec\u00edficos da Europa. Por exemplo,<\/span> <b>EN 1092-1<\/b> <span style=\"font-weight: 400;\">(padr\u00e3o de flange) refina os requisitos de desempenho para materiais comumente usados na UE (como o a\u00e7o forjado P265GH) com base na ISO 7005.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Diferen\u00e7as nos caminhos de conformidade<\/b> <span style=\"font-weight: 400;\">Em algumas \u00e1reas (como dispositivos m\u00e9dicos), as normas EN exigem testes por laborat\u00f3rios designados pela UE, enquanto as normas ISO focam mais na aplicabilidade global.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Learn more about &#8220;Must-read for purchasing<a href=\"\/valve-standards-iso-api-en\/\">\u300aTr\u00eas normas principais para v\u00e1lvulas: ISO, API, EN \u2014 Normas para v\u00e1lvulas que compradores globais precisam conhecer\u300b<\/a><\/span><\/p>\n<h1><span style=\"font-weight: 400;\">Por que as normas EN s\u00e3o importantes?<\/span><\/h1>\n<p><span style=\"font-weight: 400;\">Seja voc\u00ea um fabricante de v\u00e1lvulas, um empreiteiro da constru\u00e7\u00e3o civil ou um fornecedor de dispositivos m\u00e9dicos, entender o valor fundamental das normas EN pode ser crucial para o sucesso do seu neg\u00f3cio em mercados como o europeu, onde a conformidade com essas normas \u00e9 obrigat\u00f3ria:<\/span><\/p>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Acesso ao mercado<\/b> <span style=\"font-weight: 400;\">A certifica\u00e7\u00e3o CE baseia-se nas normas EN, e a falta de conformidade levar\u00e1 diretamente \u00e0 rejei\u00e7\u00e3o do produto pelo mercado da UE.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Competitividade aprimorada<\/b> <span style=\"font-weight: 400;\">Empresas que seguem as normas EN t\u00eam maior probabilidade de conquistar a confian\u00e7a de clientes internacionais, especialmente em setores com requisitos de qualidade rigorosos (como energia nuclear e petr\u00f3leo e g\u00e1s).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Otimiza\u00e7\u00e3o de custos<\/b> <span style=\"font-weight: 400;\">Por meio da colabora\u00e7\u00e3o entre as normas EN e ISO, as empresas podem reduzir os custos com testes e certifica\u00e7\u00f5es repetitivas e alcan\u00e7ar uma aloca\u00e7\u00e3o de recursos eficiente.<\/span><\/li>\n<\/ol>\n<p><b>Como fabricante de v\u00e1lvulas com 20 anos de experi\u00eancia em normas EN, a JH garante que cada v\u00e1lvula, cada mil\u00edmetro de espessura de parede, cada Newton de torque e cada certificado de material sejam submetidos ao rigoroso escrut\u00ednio das normas EN. Temos plena consci\u00eancia de que, ao escolher uma empresa com dom\u00ednio das normas EN, cada cliente n\u00e3o adquire apenas produtos, mas tamb\u00e9m um conjunto de solu\u00e7\u00f5es quantific\u00e1veis de controle de riscos que garantem a seguran\u00e7a. Do teste de n\u00edvel A da norma EN 12266 ao rastreamento da pegada de carbono da norma EN 17033, essas cadeias de confian\u00e7a digitais est\u00e3o se tornando um ativo valioso para as compras industriais globais.<\/b><\/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>What is EN standard, technical code of EN valve standard EN standards, full name European Norm, are unified technical specifications formulated by authoritative organizations such 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center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[35],"tags":[],"class_list":["post-19364","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>Comprehensive Analysis of EN Valve Standards: A Core Guide to European Technical Regulations -<\/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\/en-valvula\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Comprehensive 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