{"id":1969,"date":"2024-09-01T15:30:46","date_gmt":"2024-09-01T07:30:46","guid":{"rendered":"https:\/\/www.pansvalve.com\/?p=1969"},"modified":"2024-09-01T15:33:48","modified_gmt":"2024-09-01T07:33:48","slug":"non-return-valve-vs-check-valve","status":"publish","type":"post","link":"https:\/\/www.pansvalve.com\/pt\/blog\/check-valve\/non-return-valve-vs-check-valve\/","title":{"rendered":"V\u00e1lvula de reten\u00e7\u00e3o VS v\u00e1lvula de reten\u00e7\u00e3o"},"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\/check-valve\/non-return-valve-vs-check-valve\/#Differentiating_Between_Non_Return_Valve_and_Check_Valve\" >Diferenciando entre v\u00e1lvula de reten\u00e7\u00e3o e v\u00e1lvula de reten\u00e7\u00e3o<\/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\/check-valve\/non-return-valve-vs-check-valve\/#Working\" >Trabalhando<\/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\/check-valve\/non-return-valve-vs-check-valve\/#Operational_Use\" >Uso operacional<\/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\/check-valve\/non-return-valve-vs-check-valve\/#FAQ\" >Perguntas frequentes<\/a><\/li><\/ul><\/nav><\/div>\n\n<p>O controle de fluidos em tubos industriais \u00e9 fundamental para manter as opera\u00e7\u00f5es em larga escala em execu\u00e7\u00e3o. Esses fluidos s\u00e3o controlados pela abertura\/fechamento de <a href=\"https:\/\/www.pansvalve.com\/pt\">v\u00e1lvulas<\/a>. Das muitas v\u00e1lvulas dispon\u00edveis, duas s\u00e3o conhecidas como <a href=\"https:\/\/www.pansvalve.com\/pt\/product\/check-valve\/\">v\u00e1lvula de reten\u00e7\u00e3o<\/a> e v\u00e1lvula de reten\u00e7\u00e3o.&nbsp;<\/p>\n\n\n\n<p>Embora ambas as v\u00e1lvulas permitam fluxo de fluido unidirecional, as principais diferen\u00e7as surgem em sua estrutura. Ao contr\u00e1rio da v\u00e1lvula de reten\u00e7\u00e3o, a v\u00e1lvula de reten\u00e7\u00e3o \u00e9 mais adequada para fins de reten\u00e7\u00e3o de \u00e1gua, pois vem com componentes especialmente projetados para bloquear o refluxo. Neste artigo, contaremos mais sobre os recursos diferenci\u00e1veis entre as duas.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Differentiating_Between_Non_Return_Valve_and_Check_Valve\"><\/span>Diferenciando entre v\u00e1lvula de reten\u00e7\u00e3o e v\u00e1lvula de reten\u00e7\u00e3o<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Working\"><\/span>Trabalhando<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Ao examinar tubos industriais, voc\u00ea encontrar\u00e1 com mais frequ\u00eancia <strong>v\u00e1lvulas de reten\u00e7\u00e3o<\/strong>. Tamb\u00e9m conhecido como <strong>v\u00e1lvula unidirecional<\/strong>, estes t\u00eam uma composi\u00e7\u00e3o estrutural muito simples. O <a href=\"https:\/\/www.pansvalve.com\/pt\/products\/cast-swing-check-valve\/\">v\u00e1lvula unidirecional<\/a> vem com uma passagem distinta.&nbsp;&nbsp;<\/p>\n\n\n\n<p>O in\u00edcio da passagem marca a entrada e o fim marca a sa\u00edda. O fluido flui atrav\u00e9s da v\u00e1lvula unidirecional usando o conceito de diferen\u00e7as de press\u00e3o, tamb\u00e9m conhecido como press\u00e3o de craqueamento. A press\u00e3o de craqueamento se refere \u00e0 menor quantidade de press\u00e3o necess\u00e1ria para permitir o fluxo do fluido. Uma press\u00e3o mais alta na entrada e uma press\u00e3o mais baixa na sa\u00edda permitem o fluxo do fluido. Essas v\u00e1lvulas s\u00e3o projetadas para evitar o refluxo.&nbsp;<\/p>\n\n\n\n<p>Por outro lado, temos o <strong>v\u00e1lvula antirretorno<\/strong>. A v\u00e1lvula de reten\u00e7\u00e3o de esfera \u00e9 ideal para situa\u00e7\u00f5es de controle de fluidos, pois \u00e9 conhecida por bloquear o fluxo reverso de fluidos, o que pode acontecer devido a quedas repentinas de press\u00e3o ou fornecimento reduzido de fluidos. Assim como a v\u00e1lvula unidirecional, elas permitem o fluxo de fluidos apenas na dire\u00e7\u00e3o do s\u00edmbolo da v\u00e1lvula de reten\u00e7\u00e3o. Ent\u00e3o, qual \u00e9 a diferen\u00e7a?<\/p>\n\n\n\n<p>A maior diferen\u00e7a est\u00e1 na composi\u00e7\u00e3o estrutural. A v\u00e1lvula dupla antirretorno permite o fluxo de fluido uma vez que ela abre quando h\u00e1 press\u00e3o suficiente. No entanto, uma vez que o fluido flui na dire\u00e7\u00e3o oposta, a for\u00e7a do fluido fecha a v\u00e1lvula com a ajuda da gravidade. As v\u00e1lvulas unidirecionais n\u00e3o v\u00eam com um componente de fechamento que bloqueia todo o refluxo.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Operational_Use\"><\/span>Uso operacional<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>O fluxo de fluidos em tubos segue a <a href=\"https:\/\/www.pansvalve.com\/pt\/products\/cast-lift-check-valve\/\">v\u00e1lvula de reten\u00e7\u00e3o<\/a> dire\u00e7\u00e3o, tornando essas v\u00e1lvulas a escolha ideal para situa\u00e7\u00f5es unidirecionais. Sempre que o fluxo \u00e9 revertido, pode causar efeitos de golpe de ar\u00edete. E estes s\u00e3o ent\u00e3o seguidos por fluxo de alta press\u00e3o que pode causar danos adicionais aos sistemas de tubula\u00e7\u00e3o. Se o sistema n\u00e3o falhar imediatamente, pode levar \u00e0 falha completa do sistema, pois os efeitos do golpe de ar\u00edete continuam a aumentar.&nbsp;<\/p>\n\n\n\n<p>O <strong>v\u00e1lvula unidirecional<\/strong> pode ser encontrado aqui:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ind\u00fastria de HVAC<\/li>\n\n\n\n<li>Usinas El\u00e9tricas<\/li>\n\n\n\n<li>Minera\u00e7\u00e3o<\/li>\n\n\n\n<li>Ind\u00fastria aliment\u00edcia<\/li>\n<\/ul>\n\n\n\n<p>Alta press\u00e3o <strong>v\u00e1lvulas antirretorno<\/strong> s\u00e3o mais frequentemente encontradas em aplica\u00e7\u00f5es cotidianas mais comuns. Ao contr\u00e1rio das v\u00e1lvulas de reten\u00e7\u00e3o, elas n\u00e3o s\u00e3o frequentemente usadas para opera\u00e7\u00f5es industriais. Em vez disso, voc\u00ea as encontrar\u00e1 em \u00e1reas como:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Sistemas de refrigera\u00e7\u00e3o<\/li>\n\n\n\n<li>Tubula\u00e7\u00f5es de \u00e1gua de habita\u00e7\u00e3o<\/li>\n<\/ul>\n\n\n\n\n  <style type='text\/css'>\n\t\t\t\/* \u6574\u4f53\u6837\u5f0f *\/\n\t\t\tfieldset.test {\n\t\t\t\tpadding: 10px;\n\t\t\t\tmargin: 10px;\n\t\t\t\twidth: 100%;\n\t\t\t}\n\t\t\tfieldset.test ul {\n\t\t\t\tlist-style-type: none;\n\t\t\t\tmargin: 8px 0 4px 0;\n\t\t\t\tmargin-top: -15px;\n\t\t\t}\n\t\t\tfieldset.test li {\n\t\t\t\tmargin-top: 12px !important;\n\t\t\t\tlist-style: none !important;\n\t\t\t}\n\t\t\t\/* \u526f\u6807\u9898\u6837\u5f0f *\/\n\t\t\tfieldset.test .faq-title2 h3 {\n\t\t\t\tfont-size: 16px !important;\n\t\t\t\tfont-weight: 800 !important;\n\t\t\t}\n\t\t\t\/* \u6b63\u6587\u6837\u5f0f *\/\n\t\t\tfieldset.test p {\n\t\t\t\tfont-size: 14px !important;\n\t\t\t\tline-height: 20px !important;\n\t\t\t}\n\t\t<\/style>\n  <fieldset class='test' style='border: #d70c19 solid 1px;'>\n  <legend style='padding: 5px 10px;'><h2 style='font-weight: 800;font-size: 36px;color: #d70c19;'><span class=\"ez-toc-section\" id=\"FAQ\"><\/span>Perguntas frequentes<\/h2><\/legend>\n  <ul>\n    <li>\n      <!-- \u526f\u6807\u98981 -->\n      <span class='faq-title2'>\n        <h3>O que \u00e9 uma v\u00e1lvula de reten\u00e7\u00e3o para encanamento?<\/h3>\n      <\/span>\n      <!-- \u6b63\u65871 -->\n      <p>O encanamento com v\u00e1lvula de reten\u00e7\u00e3o \u00e9 frequentemente encontrado em casas e sistemas de resfriamento. Essas v\u00e1lvulas permitem um fluxo unidirecional, ao mesmo tempo em que bloqueiam o refluxo, o que pode acontecer devido \u00e0 queda de press\u00e3o ou baixo suprimento de \u00e1gua. Alterar a press\u00e3o da \u00e1gua abre\/fecha a v\u00e1lvula de reten\u00e7\u00e3o.<\/p>\n    <\/li>\n  \n    <li>\n      <!-- \u526f\u6807\u98981 -->\n      <span class='faq-title2'>\n        <h3>Qual \u00e9 a diferen\u00e7a entre uma v\u00e1lvula unidirecional e uma v\u00e1lvula de reten\u00e7\u00e3o?<\/h3>\n      <\/span>\n      <!-- \u6b63\u65871 -->\n      <p>A v\u00e1lvula unidirecional difere da v\u00e1lvula de reten\u00e7\u00e3o principalmente por sua composi\u00e7\u00e3o estrutural. A v\u00e1lvula unidirecional \u00e9 super simples. Ela tem uma passagem, uma entrada e uma sa\u00edda. A v\u00e1lvula de reten\u00e7\u00e3o vem com um disco que bloqueia o refluxo. Ambas as v\u00e1lvulas permitem fluxo de fluido unidirecional. <\/p>\n    <\/li>\n  <\/ul>\n  <\/fieldset>\n\n\n\n\n  <style>\n\t\t\t.module {\n\t\t\t\tmargin: 10px 0 30px 0;\n\t\t\t\twidth: 100%;\n\t\t\t\ttext-align: left;\n\t\t\t}\n\t\t\t\/* \u6807\u9898 *\/\n\t\t\t.module .module-title {\n\t\t\t\tfont-size: 18px;\n\t\t\t\tdisplay: flex;\n\t\t\t\talign-items: center;\n\t\t\t}\n\n\t\t\t.module .module-button {\n\t\t\t\tcursor: pointer;\n\t\t\t\tborder: 0px;\n\t\t\t\ttext-align: center;\n\t\t\t\tmargin-left: 10px;\n\t\t\t\tbackground: none;\n\t\t\t}\n\n\t\t\t.module .module-content {\n\t\t\t\tdisplay: none;\n\t\t\t}\n\n\t\t\t.module .module-content.show {\n\t\t\t\tdisplay: block;\n\t\t\t}\n\t\t\t\/* \u7b2c\u4e00\u5757\u5185\u5bb9 *\/\n\t\t\t.module .d1 {\n\t\t\t\twidth: 95%;\n\t\t\t\t\/* \u80cc\u666f\u989c\u8272 *\/\n\t\t\t\tpadding: 1% 2.5% 1% 2.5%;\n\t\t\t\tmargin-top: 3%;\n\t\t\t}\n\t\t\t\/* \u7b2c\u4e8c\u5757\u5185\u5bb9 *\/\n\t\t\t.module .d2 {\n\t\t\t\twidth: 95%;\n\t\t\t\tpadding: 3% 2.5% 3% 2.5%;\n\t\t\t}\n            \/* \u6240\u6709a\u94fe\u63a5\u4e0a\u6587\u5b57 *\/\n            .module .aaa {\n\t\t\t\t\/* \u989c\u8272 *\/\n\t\t\t\tcolor: #d70c19;\n\t\t\t\t\/* \u6587\u5b57\u4e0b\u5212\u7ebf *\/\n\t\t\t\ttext-decoration: underline;\n\t\t\t}\n\t\t\t\/* \u4e0b\u65b9\u659c\u4f53\u6587\u5b57 *\/\n\t\t\t.module .a2 {\n\t\t\t\t\/* \u659c\u4f53 *\/\n\t\t\t\tfont-style: italic;\n\t\t\t}\n\t\t\t\/* \u6240\u6709a\u94fe\u63a5\u4e0a\u6587\u5b57\u60ac\u6d6e\u53d8\u8272 *\/\n\t\t\t.module .aaa:hover {\n\t\t\t\t\/* \u989c\u8272 *\/\n\t\t\t\tcolor: #D3CCFF;\n\t\t\t}\n\t\t<\/style>\n  <div class='module'>\n\t\t\t<div class='module-title' style='font-size: 18px;'>\n\t\t\t\t<!-- \u8fd9\u662f\u6807\u9898 -->\n\t\t\t\tFonte do artigo\n\t\t\t\t<button class='module-button'>\n\t\t\t\t\t<svg id='svg-1' style='display:block' t='1710230154863' class='icon' viewbox='0 0 1026 1024'\n\t\t\t\t\t\tversion='1.1' xmlns='http:\/\/www.w3.org\/2000\/svg' p-id='1843' width='18' height='18'>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<!-- \u4fee\u6539\u56fe\u6807\u5927\u5c0f\u8bf7\u5728width\u548cheight\u4e2d\u6539 -->\n\t\t\t\t\t\t<path\n\t\t\t\t\t\t\td='M511.602721 1023.001027a511.474051 511.474051 0 1 1 360.629164-148.84694 509.476105 509.476105 0 0 1-360.629164 149.845913z m0-941.032335c-109.887003 0-220.772979 41.956856-304.686691 125.870567-167.827423 168.826396-167.827423 441.545958 0 609.373381s440.546985 167.827423 609.373381 0c167.827423-167.827423 167.827423-440.546985 0-609.373381-83.913711-82.914739-194.799687-124.871594-304.68669-124.871595z m332.657927 763.215185z'\n\t\t\t\t\t\t\tfill='#d70c19' p-id='1844'><\/path>\n\t\t\t\t\t\t\t<!-- \u4fee\u6539\u56fe\u6807\u989c\u8272\u8bf7\u5728fill\u4e2d\u6539 -->\n\t\t\t\t\t\t<path\n\t\t\t\t\t\t\td='M780.326392 552.484859H241.880077a39.95891 39.95891 0 0 1 0-79.91782h538.446315a39.95891 39.95891 0 0 1 0 79.91782z'\n\t\t\t\t\t\t\tfill='#d70c19' p-id='1845'><\/path>\n\t\t\t\t\t\t\t<!-- \u4fee\u6539\u56fe\u6807\u989c\u8272\u8bf7\u5728fill\u4e2d\u6539 -->\n\t\t\t\t\t\t<path\n\t\t\t\t\t\t\td='M511.602721 822.207503a39.95891 39.95891 0 0 1-39.958911-39.95891V243.802278a39.95891 39.95891 0 1 1 79.917821 0v538.446315a39.95891 39.95891 0 0 1-39.95891 39.95891z'\n\t\t\t\t\t\t\tfill='#d70c19' p-id='1846'><\/path>\n\t\t\t\t\t\t\t<!-- \u4fee\u6539\u56fe\u6807\u989c\u8272\u8bf7\u5728fill\u4e2d\u6539 -->\n\t\t\t\t\t<\/svg>\n\t\t\t\t\t<svg id='svg-2' style='display:none' t='1710230227147' class='icon' viewbox='0 0 1026 1024'\n\t\t\t\t\t\tversion='1.1' xmlns='http:\/\/www.w3.org\/2000\/svg' p-id='1999' width='18' height='18'>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<!-- \u4fee\u6539\u56fe\u6807\u5927\u5c0f\u8bf7\u5728width\u548cheight\u4e2d\u6539 -->\n\t\t\t\t\t\t<path\n\t\t\t\t\t\t\td='M511.602721 1023.001027a511.474051 511.474051 0 1 1 360.629164-148.84694 509.476105 509.476105 0 0 1-360.629164 149.845913z m0-941.032335c-109.887003 0-220.772979 41.956856-304.686691 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revisados por pares, para apoiar os fatos contidos em nossos artigos. Nosso compromisso com a precis\u00e3o e a confiabilidade garante que os leitores recebam informa\u00e7\u00f5es bem pesquisadas nas quais podem confiar.<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t<ul class='d2'>\n\t\t\t\t\n  <li style='list-style: decimal;font-size:18px;'><a class='aaa a2' target='_blank' href='https:\/\/www.waterregsuk.co.uk\/news\/newsletter\/categories\/installer_news\/non-return_valves\/'>Water Regs UK Limited - Encontre a diferen\u00e7a \u2013 V\u00e1lvulas de reten\u00e7\u00e3o ou v\u00e1lvulas de reten\u00e7\u00e3o\u2026<\/a><\/li>\n  \n  <li style='list-style: decimal;font-size:18px;'><a class='aaa a2' target='_blank' href='https:\/\/www.adamantvalves.com\/what-is-the-difference-between-a-check-valve-and-a-non-return-valve.html'>Qual \u00e9 a diferen\u00e7a entre uma v\u00e1lvula de reten\u00e7\u00e3o e uma v\u00e1lvula antirretorno? | Adamant Valves<\/a><\/li>\n  \n  <li style='list-style: decimal;font-size:18px;'><a class='aaa a2' target='_blank' href='https:\/\/bcstvalve.com\/what-is-the-difference-between-a-check-valve-and-a-non-return-valve\/'>Qual \u00e9 a diferen\u00e7a entre uma v\u00e1lvula de reten\u00e7\u00e3o e uma v\u00e1lvula de reten\u00e7\u00e3o? (bcstvalve.com)<\/a><\/li>\n  \n  <li style='list-style: decimal;font-size:18px;'><a class='aaa a2' target='_blank' href='https:\/\/www.processindustryforum.com\/article\/difference-non-return-check-valves-resilient-hinge-check-valves'>Qual \u00e9 a diferen\u00e7a entre v\u00e1lvulas de reten\u00e7\u00e3o antirretorno e v\u00e1lvulas de reten\u00e7\u00e3o de dobradi\u00e7a resiliente? - Process Industry Forum<\/a><\/li>\n  \n\t\t\t\t<\/ul>\n\t\t\t<\/div>\n\t\t<\/div>\n\t\t<script>\n\t\t\tconst moduleButtons = document.querySelectorAll('.module-button');\n\t\t\tconst svg1 = document.getElementById('svg-1');\n\t\t\tconst svg2 = document.getElementById('svg-2');\n\t\t\tfor (const button of moduleButtons) {\n\t\t\t\tbutton.addEventListener('click', function() {\n\t\t\t\t\tconst content = this.parentNode.nextElementSibling;\n\t\t\t\t\tcontent.classList.toggle('show');\n\t\t\t\t\tconst svg = this.querySelector('svg');\n\t\t\t\t\tconst plusPath = svg.querySelector('#plus');\n\t\t\t\t});\n\t\t\t\tsvg1.addEventListener('click', function() {\n\t\t\t\t\tsvg1.style.display = 'none';\n\t\t\t\t\tsvg2.style.display = 'block';\n\t\t\t\t});\n\n\t\t\t\tsvg2.addEventListener('click', function() {\n\t\t\t\t\tsvg2.style.display = 'none';\n\t\t\t\t\tsvg1.style.display = 'block';\n\t\t\t\t});\n\t\t\t}\n\t\t<\/script>\n\n  \n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>Fluid control in industrial pipes is imperative to keep large scale operations running. These fluids are controlled by the opening\/closing of valves.&nbsp; Out of the many valves available, two are known as check valve and non return valve.&nbsp; While both these valves allow unidirectional fluid flow, the main differences arise in their structure. Unlike the [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1978,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[189],"tags":[],"class_list":["post-1969","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-check-valve"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Non Return Valve VS Check Valve: Which Better?<\/title>\n<meta name=\"description\" content=\"Discover the difference between non-return valves and check valves, from their working principle, application, etc. Get a Quote Now!\" \/>\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\/check-valve\/non-return-valve-vs-check-valve\/\" \/>\n<meta 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