{"id":4066,"date":"2026-04-03T18:27:19","date_gmt":"2026-04-03T10:27:19","guid":{"rendered":"https:\/\/www.pansvalve.com\/?p=4066"},"modified":"2026-04-07T09:17:46","modified_gmt":"2026-04-07T01:17:46","slug":"how-to-decode-ball-valve-markings-understanding-cwp-wog","status":"publish","type":"post","link":"https:\/\/www.pansvalve.com\/pt\/blog\/how-to-decode-ball-valve-markings-understanding-cwp-wog\/","title":{"rendered":"Como decifrar as marca\u00e7\u00f5es das v\u00e1lvulas de esfera? Entendendo CWP e WOG"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u00cdndice<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Alternar \u00cdndice\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Alternar<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.pansvalve.com\/pt\/blog\/how-to-decode-ball-valve-markings-understanding-cwp-wog\/#What_Are_Ball_Valve_Markings\" >O que s\u00e3o as marca\u00e7\u00f5es das v\u00e1lvulas de esfera?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.pansvalve.com\/pt\/blog\/how-to-decode-ball-valve-markings-understanding-cwp-wog\/#What_Does_WOG_Mean_on_a_Ball_Valve\" >O que significa WOG em uma v\u00e1lvula de esfera?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.pansvalve.com\/pt\/blog\/how-to-decode-ball-valve-markings-understanding-cwp-wog\/#What_Does_CWP_Mean_on_a_Ball_Valve\" >O que significa CWP em uma v\u00e1lvula de esfera?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.pansvalve.com\/pt\/blog\/how-to-decode-ball-valve-markings-understanding-cwp-wog\/#What_Does_CWP_Mean_on_a_Ball_Valve-2\" >O que significa CWP em uma v\u00e1lvula de esfera?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.pansvalve.com\/pt\/blog\/how-to-decode-ball-valve-markings-understanding-cwp-wog\/#WOG_vs_CWP_What_Is_the_Difference\" >WOG vs CWP: Qual a diferen\u00e7a?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.pansvalve.com\/pt\/blog\/how-to-decode-ball-valve-markings-understanding-cwp-wog\/#What_Does_600_WOG_Mean_on_a_Ball_Valve\" >O que significa 600 WOG em uma v\u00e1lvula de esfera?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.pansvalve.com\/pt\/blog\/how-to-decode-ball-valve-markings-understanding-cwp-wog\/#What_Does_600_CWP_Mean_on_a_Ball_Valve\" >O que significa 600 CWP em uma v\u00e1lvula de esfera?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.pansvalve.com\/pt\/blog\/how-to-decode-ball-valve-markings-understanding-cwp-wog\/#Understanding_Ball_Valve_Class_Ratings\" >Entendendo as Classifica\u00e7\u00f5es de V\u00e1lvulas de Esfera<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.pansvalve.com\/pt\/blog\/how-to-decode-ball-valve-markings-understanding-cwp-wog\/#How_to_Read_Valve_Body_Markings\" >Como ler as marca\u00e7\u00f5es do corpo da v\u00e1lvula<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.pansvalve.com\/pt\/blog\/how-to-decode-ball-valve-markings-understanding-cwp-wog\/#Understanding_Material_Markings_WCB_CF8_CF8M\" >Entendendo as marca\u00e7\u00f5es de materiais (WCB, CF8, CF8M)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.pansvalve.com\/pt\/blog\/how-to-decode-ball-valve-markings-understanding-cwp-wog\/#Common_Mistakes_When_Reading_Valve_Markings\" >Erros comuns na leitura das marca\u00e7\u00f5es das v\u00e1lvulas<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.pansvalve.com\/pt\/blog\/how-to-decode-ball-valve-markings-understanding-cwp-wog\/#How_PANS_VALVE_Supports_Reliable_Selection\" >Como a PANS VALVE oferece suporte a uma sele\u00e7\u00e3o confi\u00e1vel<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.pansvalve.com\/pt\/blog\/how-to-decode-ball-valve-markings-understanding-cwp-wog\/#Why_Understanding_WOG_Ball_Valve_Ratings_Is_Important\" >Por que \u00e9 importante entender as classifica\u00e7\u00f5es WOG das v\u00e1lvulas de esfera<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.pansvalve.com\/pt\/blog\/how-to-decode-ball-valve-markings-understanding-cwp-wog\/#Conclusion\" >Conclus\u00e3o<\/a><\/li><\/ul><\/nav><\/div>\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"512\" height=\"280\" src=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-1.webp\" alt=\"\" class=\"wp-image-4070\" srcset=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-1.webp 512w, https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-1-300x164.webp 300w, https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-1-18x10.webp 18w\" sizes=\"(max-width: 512px) 100vw, 512px\" \/><\/figure>\n\n\n\n<p>As marca\u00e7\u00f5es das v\u00e1lvulas de esfera indicam a press\u00e3o e a temperatura m\u00e1ximas que uma v\u00e1lvula pode suportar com seguran\u00e7a. Marca\u00e7\u00f5es como WOG e CWP informam se uma v\u00e1lvula \u00e9 adequada para \u00e1gua, \u00f3leo, g\u00e1s ou sistemas com temperatura controlada. Compreender essas marca\u00e7\u00f5es permite escolher a v\u00e1lvula correta e evitar erros dispendiosos.<\/p>\n\n\n\n<p>Este guia explica as principais marca\u00e7\u00f5es em termos simples, mostra como interpret\u00e1-las passo a passo e ajuda os iniciantes a entender o que \u00e9 mais importante em aplica\u00e7\u00f5es reais.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Are_Ball_Valve_Markings\"><\/span><strong>O que s\u00e3o as marca\u00e7\u00f5es das v\u00e1lvulas de esfera?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"512\" height=\"265\" src=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-2.webp\" alt=\"\" class=\"wp-image-4071\" srcset=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-2.webp 512w, https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-2-300x155.webp 300w, https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-2-18x9.webp 18w\" sizes=\"(max-width: 512px) 100vw, 512px\" \/><\/figure>\n\n\n\n<p>As marca\u00e7\u00f5es das v\u00e1lvulas de esfera s\u00e3o detalhes gravados no corpo da v\u00e1lvula. Essas marca\u00e7\u00f5es indicam a press\u00e3o nominal, o tipo de material, o tamanho e a conformidade com as normas.<\/p>\n\n\n\n<p>Elas s\u00e3o utilizadas em sistemas de engenharia para garantir que a v\u00e1lvula seja adequada \u00e0s condi\u00e7\u00f5es de trabalho. Sem compreend\u00ea-las, \u00e9 f\u00e1cil selecionar a v\u00e1lvula errada.<\/p>\n\n\n\n<p>Assim, as marca\u00e7\u00f5es nas v\u00e1lvulas respondem a tr\u00eas perguntas fundamentais. Elas indicam quanta press\u00e3o a v\u00e1lvula suporta, de que material \u00e9 feita e onde pode ser utilizada.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Does_WOG_Mean_on_a_Ball_Valve\"><\/span><strong>O que significa WOG em uma v\u00e1lvula de esfera?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"512\" height=\"280\" src=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-3.webp\" alt=\"\" class=\"wp-image-4072\" srcset=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-3.webp 512w, https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-3-300x164.webp 300w, https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-3-18x10.webp 18w\" sizes=\"(max-width: 512px) 100vw, 512px\" \/><\/figure>\n\n\n\n<p>WOG significa \u00c1gua, \u00d3leo e G\u00e1s. Define a press\u00e3o m\u00e1xima que a v\u00e1lvula pode suportar para esses fluidos em condi\u00e7\u00f5es normais de temperatura.<\/p>\n\n\n\n<p>Quando uma v\u00e1lvula apresenta essa marca\u00e7\u00e3o, significa que ela foi projetada para sistemas de l\u00edquidos e gases sem varia\u00e7\u00f5es extremas de temperatura.<\/p>\n\n\n\n<p>Por exemplo, um <strong>v\u00e1lvula de esfera wog<\/strong> A marca\u00e7\u00e3o 600 significa que a v\u00e1lvula suporta 600 PSI para \u00e1gua, \u00f3leo ou g\u00e1s a aproximadamente 100\u00b0F (38\u00b0C).<\/p>\n\n\n\n<p>Essa classifica\u00e7\u00e3o \u00e9 amplamente utilizada porque muitos sistemas industriais operam dentro dessa faixa. \u00c9 aqui que muitas pessoas cometem um erro: a classifica\u00e7\u00e3o WOG n\u00e3o se aplica ao vapor.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Does_CWP_Mean_on_a_Ball_Valve\"><\/span><strong>O que significa CWP em uma v\u00e1lvula de esfera?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"512\" height=\"272\" src=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-4.webp\" alt=\"\" class=\"wp-image-4073\" srcset=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-4.webp 512w, https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-4-300x159.webp 300w, https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-4-18x10.webp 18w\" sizes=\"(max-width: 512px) 100vw, 512px\" \/><\/figure>\n\n\n\n<p>WOG significa \u00c1gua, \u00d3leo e G\u00e1s. Define a press\u00e3o m\u00e1xima que a v\u00e1lvula pode suportar para esses fluidos em condi\u00e7\u00f5es normais de temperatura.<\/p>\n\n\n\n<p>Quando uma v\u00e1lvula apresenta essa marca\u00e7\u00e3o, significa que ela foi projetada para sistemas de l\u00edquidos e gases sem varia\u00e7\u00f5es extremas de temperatura.<\/p>\n\n\n\n<p>Por exemplo, um <strong>v\u00e1lvula de esfera wog<\/strong> A marca\u00e7\u00e3o 600 significa que a v\u00e1lvula suporta 600 PSI para \u00e1gua, \u00f3leo ou g\u00e1s a aproximadamente 100\u00b0F (38\u00b0C).<\/p>\n\n\n\n<p>Essa classifica\u00e7\u00e3o \u00e9 amplamente utilizada porque muitos sistemas industriais operam dentro dessa faixa. \u00c9 aqui que muitas pessoas cometem um erro: a classifica\u00e7\u00e3o WOG n\u00e3o se aplica ao vapor.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Does_CWP_Mean_on_a_Ball_Valve-2\"><\/span><strong>O que significa CWP em uma v\u00e1lvula de esfera?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>CWP significa Press\u00e3o de Trabalho a Frio. Indica a press\u00e3o m\u00e1xima que uma v\u00e1lvula pode suportar em temperaturas mais baixas.<\/p>\n\n\n\n<p>Essa classifica\u00e7\u00e3o foca na estabilidade da press\u00e3o, e n\u00e3o no tipo de fluido. \u00c9 frequentemente usada em sistemas onde a temperatura permanece controlada.<\/p>\n\n\n\n<p>Se uma v\u00e1lvula apresenta a inscri\u00e7\u00e3o 600 CWP, significa que ela suporta 600 PSI em condi\u00e7\u00f5es de baixa press\u00e3o. Uma v\u00e1lvula de esfera de 600 CWP \u00e9 comumente utilizada em tubula\u00e7\u00f5es de \u00e1gua, sistemas de climatiza\u00e7\u00e3o (HVAC) e em aplica\u00e7\u00f5es industriais em geral.<\/p>\n\n\n\n<p>Embora CWP e WOG frequentemente apresentem n\u00fameros semelhantes, eles n\u00e3o s\u00e3o id\u00eanticos. A diferen\u00e7a reside em como a temperatura afeta os limites de press\u00e3o.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"WOG_vs_CWP_What_Is_the_Difference\"><\/span><strong>WOG vs CWP: Qual a diferen\u00e7a?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Entender a diferen\u00e7a entre essas duas marca\u00e7\u00f5es ajuda a evitar a sele\u00e7\u00e3o incorreta da v\u00e1lvula.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Recurso<\/strong><\/td><td><strong>WOG<\/strong><\/td><td><strong>CWP<\/strong><\/td><\/tr><tr><td>Significado<\/td><td>\u00c1gua, petr\u00f3leo, g\u00e1s<\/td><td>Press\u00e3o de trabalho a frio<\/td><\/tr><tr><td>Foco<\/td><td>Tipo fluido<\/td><td>Condi\u00e7\u00e3o de temperatura<\/td><\/tr><tr><td>Temperatura<\/td><td>Padr\u00e3o (em torno de 100\u00b0F)<\/td><td>Baixa temperatura<\/td><\/tr><tr><td>Aplicativo<\/td><td>L\u00edquidos e gases<\/td><td>Sistemas controlados<\/td><\/tr><tr><td>Uso do vapor<\/td><td>N\u00e3o \u00e9 adequado<\/td><td>N\u00e3o \u00e9 adequado<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Isso demonstra que ambas as classifica\u00e7\u00f5es s\u00e3o \u00fateis, mas servem a prop\u00f3sitos ligeiramente diferentes.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Does_600_WOG_Mean_on_a_Ball_Valve\"><\/span><strong>O que significa 600 WOG em uma v\u00e1lvula de esfera?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"512\" height=\"279\" src=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-5.webp\" alt=\"\" class=\"wp-image-4074\" srcset=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-5.webp 512w, https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-5-300x163.webp 300w, https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-5-18x10.webp 18w\" sizes=\"(max-width: 512px) 100vw, 512px\" \/><\/figure>\n\n\n\n<p>A marca\u00e7\u00e3o 600 WOG significa que a v\u00e1lvula suporta 600 PSI para \u00e1gua, \u00f3leo ou g\u00e1s em condi\u00e7\u00f5es padr\u00e3o.<\/p>\n\n\n\n<p>Voc\u00ea ver\u00e1 essa classifica\u00e7\u00e3o na maioria das v\u00e1lvulas de uso geral. \u00c9 uma das mais f\u00e1ceis de reconhecer. No entanto, ela n\u00e3o garante o desempenho em condi\u00e7\u00f5es de alta temperatura ou vapor.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Does_600_CWP_Mean_on_a_Ball_Valve\"><\/span><strong>O que significa 600 CWP em uma v\u00e1lvula de esfera?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>A marca\u00e7\u00e3o 600 CWP significa que a v\u00e1lvula suporta 600 PSI em condi\u00e7\u00f5es de trabalho a frio.<\/p>\n\n\n\n<p>Voc\u00ea ver\u00e1 essa classifica\u00e7\u00e3o na maioria das v\u00e1lvulas usadas em sistemas onde a temperatura n\u00e3o varia. Ela fornece uma refer\u00eancia est\u00e1vel para a capacidade de press\u00e3o.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Understanding_Ball_Valve_Class_Ratings\"><\/span><strong>Entendendo as Classifica\u00e7\u00f5es de V\u00e1lvulas de Esfera<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Al\u00e9m de WOG e CWP, voc\u00ea frequentemente ver\u00e1 marca\u00e7\u00f5es como v\u00e1lvula de esfera classe 600 ou 150 libras.<\/p>\n\n\n\n<p>Essas marca\u00e7\u00f5es seguem os padr\u00f5es da ind\u00fastria e fornecem uma classifica\u00e7\u00e3o mais completa de press\u00e3o e temperatura.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"512\" height=\"280\" src=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-6.webp\" alt=\"\" class=\"wp-image-4075\" srcset=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-6.webp 512w, https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-6-300x164.webp 300w, https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-6-18x10.webp 18w\" sizes=\"(max-width: 512px) 100vw, 512px\" \/><\/figure>\n\n\n\n<p>A classe 600 indica uma capacidade de press\u00e3o superior em compara\u00e7\u00e3o com as classes 150 ou 300. No entanto, o limite de press\u00e3o real depende da temperatura.<\/p>\n\n\n\n<p>\u00c9 por isso que as classifica\u00e7\u00f5es de classe s\u00e3o importantes em sistemas industriais onde tanto a press\u00e3o quanto a temperatura variam.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_to_Read_Valve_Body_Markings\"><\/span><strong>Como ler as marca\u00e7\u00f5es do corpo da v\u00e1lvula<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"512\" height=\"268\" src=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-7.webp\" alt=\"\" class=\"wp-image-4076\" srcset=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-7.webp 512w, https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-7-300x157.webp 300w, https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-7-18x9.webp 18w\" sizes=\"(max-width: 512px) 100vw, 512px\" \/><\/figure>\n\n\n\n<p>A leitura de uma v\u00e1lvula torna-se mais f\u00e1cil quando se segue uma ordem clara.<\/p>\n\n\n\n<p>Se voc\u00ea estiver analisando uma v\u00e1lvula pela primeira vez, verifique primeiro a marca\u00e7\u00e3o de press\u00e3o. Isso indica imediatamente se ela \u00e9 adequada ao seu sistema. Em seguida, verifique a classe de press\u00e3o, como Classe 600. Depois disso, observe o c\u00f3digo do material e as dimens\u00f5es.<\/p>\n\n\n\n<p>Por exemplo, uma v\u00e1lvula marcada com \u201c600 WOG CF8M 150Lb\u201d indica a classifica\u00e7\u00e3o de press\u00e3o, o tipo de material e a norma de classe.<\/p>\n\n\n\n<p>Seguindo esta ordem, voc\u00ea poder\u00e1 saber em segundos se a v\u00e1lvula funcionar\u00e1 no seu sistema.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Understanding_Material_Markings_WCB_CF8_CF8M\"><\/span><strong>Entendendo as marca\u00e7\u00f5es de materiais (WCB, CF8, CF8M)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>As marca\u00e7\u00f5es de material indicam do que o corpo da v\u00e1lvula \u00e9 feito. Esses materiais afetam a resist\u00eancia, a resist\u00eancia \u00e0 corros\u00e3o e a aplica\u00e7\u00e3o.<\/p>\n\n\n\n<p>WCB refere-se ao a\u00e7o carbono. \u00c9 um material resistente e amplamente utilizado em sistemas industriais.<\/p>\n\n\n\n<p>CF8 refere-se ao a\u00e7o inoxid\u00e1vel. Ele oferece melhor resist\u00eancia \u00e0 corros\u00e3o.<\/p>\n\n\n\n<p>O CF8M \u00e9 um a\u00e7o inoxid\u00e1vel de qualidade superior. Apresenta melhor desempenho em ambientes qu\u00edmicos e corrosivos.<\/p>\n\n\n\n<p>Escolher o material certo \u00e9 t\u00e3o importante quanto selecionar a classifica\u00e7\u00e3o de press\u00e3o correta.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Common_Mistakes_When_Reading_Valve_Markings\"><\/span><strong>Erros comuns na leitura das marca\u00e7\u00f5es das v\u00e1lvulas<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Um erro comum \u00e9 assumir que as classifica\u00e7\u00f5es WOG se aplicam a vapor. Isso est\u00e1 incorreto e pode levar ao fracasso.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"512\" height=\"274\" src=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-8.webp\" alt=\"\" class=\"wp-image-4077\" srcset=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-8.webp 512w, https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-8-300x161.webp 300w, https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-8-18x10.webp 18w\" sizes=\"(max-width: 512px) 100vw, 512px\" \/><\/figure>\n\n\n\n<p>Outro erro \u00e9 ignorar a temperatura. Os valores de press\u00e3o diminuem \u00e0 medida que a temperatura aumenta.<\/p>\n\n\n\n<p>Alguns usu\u00e1rios tamb\u00e9m se concentram apenas em<a href=\"https:\/\/www.pansvalve.com\/pt\/blog\/butterfly-valve\/understanding-valve-sizing-for-optimal-selection\/\"> tamanho da v\u00e1lvula <\/a>e ignorar as classifica\u00e7\u00f5es de materiais e classes. Isso pode causar problemas de compatibilidade em sistemas exigentes.<\/p>\n\n\n\n<p>Compreender todas as marca\u00e7\u00f5es em conjunto ajuda a evitar esses problemas.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_PANS_VALVE_Supports_Reliable_Selection\"><\/span><strong>Como a PANS VALVE oferece suporte a uma sele\u00e7\u00e3o confi\u00e1vel<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>A escolha da v\u00e1lvula depende n\u00e3o s\u00f3 das marca\u00e7\u00f5es, mas tamb\u00e9m da qualidade de fabrica\u00e7\u00e3o.<\/p>\n\n\n\n<p>A PANS VALVE produz v\u00e1lvulas industriais desde 1985 e fornece solu\u00e7\u00f5es para sistemas de petr\u00f3leo, g\u00e1s e energia em todo o mundo.<\/p>\n\n\n\n<p>Suas v\u00e1lvulas est\u00e3o em conformidade com<a href=\"https:\/\/www.pansvalve.com\/pt\/blog\/what-is-api-6d-standard\/\"> API 6D<\/a>, CE e <a href=\"https:\/\/www.pansvalve.com\/pt\/blog\/ball-valve\/ball-valve-standards-and-certification-guide\/\">Normas ISO<\/a>. Isso garante um desempenho consistente em todas as aplica\u00e7\u00f5es.<\/p>\n\n\n\n<p>A empresa tamb\u00e9m utiliza m\u00e1quinas CNC avan\u00e7adas e processos rigorosos de controle de qualidade para atender \u00e0s exig\u00eancias do setor.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_Understanding_WOG_Ball_Valve_Ratings_Is_Important\"><\/span><strong>Por que \u00e9 importante entender as classifica\u00e7\u00f5es WOG das v\u00e1lvulas de esfera<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Depois de entender essas marca\u00e7\u00f5es, voc\u00ea para de adivinhar e come\u00e7a a escolher a v\u00e1lvula correta.<\/p>\n\n\n\n<p>Isso permite que voc\u00ea selecione a v\u00e1lvula adequada \u00e0 press\u00e3o, temperatura e requisitos de material corretos. Mesmo iniciantes podem melhorar a seguran\u00e7a do sistema aprendendo a interpretar essas marca\u00e7\u00f5es simples.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span><strong>Conclus\u00e3o<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Ler as marca\u00e7\u00f5es das v\u00e1lvulas de esfera n\u00e3o \u00e9 dif\u00edcil depois que voc\u00ea entende o que cada c\u00f3digo significa. Comece pelo tamanho, depois verifique o material e, por fim, confirme a press\u00e3o, o servi\u00e7o e a classe.<\/p>\n\n\n\n<p>Se precisar de ajuda para relacionar essas marca\u00e7\u00f5es ao seu projeto,<a href=\"https:\/\/www.pansvalve.com\/pt\"> V\u00c1LVULA DE PANELA<\/a> oferece um <a href=\"https:\/\/www.pansvalve.com\/pt\/ball-valve-collection\/\">Cole\u00e7\u00e3o de v\u00e1lvulas de esfera para aplica\u00e7\u00f5es industriais<\/a> e oferece suporte aos compradores com orienta\u00e7\u00e3o t\u00e9cnica, capacidade de fabrica\u00e7\u00e3o e produ\u00e7\u00e3o focada em padr\u00f5es.&nbsp;<\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>Ball valve markings show how much pressure and temperature a valve can safely handle. The markings like WOG and CWP tell you whether a valve is suitable for water, oil, gas, or controlled temperature systems. If you understand these markings, you can choose the right valve and avoid costly mistakes. This guide explains the key [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4070,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[191,158],"tags":[],"class_list":["post-4066","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ball-valve","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How to Decode Ball Valve Markings? Understanding CWP &amp; WOG - Industrial Valve Manufacturer and Company from China<\/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:\/\/www.pansvalve.com\/pt\/blog\/how-to-decode-ball-valve-markings-understanding-cwp-wog\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Decode Ball Valve Markings? Understanding CWP &amp; WOG - Industrial Valve Manufacturer and Company from China\" \/>\n<meta property=\"og:description\" content=\"Ball valve markings show how much pressure and temperature a valve can safely handle. The markings like WOG and CWP tell you whether a valve is suitable for water, oil, gas, or controlled temperature systems. If you understand these markings, you can choose the right valve and avoid costly mistakes. This guide explains the key [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.pansvalve.com\/pt\/blog\/how-to-decode-ball-valve-markings-understanding-cwp-wog\/\" \/>\n<meta property=\"og:site_name\" content=\"Industrial Valve Manufacturer and Company from China\" \/>\n<meta property=\"article:published_time\" content=\"2026-04-03T10:27:19+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-07T01:17:46+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-1.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"512\" \/>\n\t<meta property=\"og:image:height\" content=\"280\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tempo estimado de leitura\" \/>\n\t<meta name=\"twitter:data2\" content=\"7 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.pansvalve.com\\\/blog\\\/how-to-decode-ball-valve-markings-understanding-cwp-wog\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.pansvalve.com\\\/blog\\\/how-to-decode-ball-valve-markings-understanding-cwp-wog\\\/\"},\"author\":{\"name\":\"admin\",\"@id\":\"https:\\\/\\\/www.pansvalve.com\\\/#\\\/schema\\\/person\\\/246e471ae246e0f35793a4f0b10b61bf\"},\"headline\":\"How to Decode Ball Valve Markings? 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