{"id":3657,"date":"2024-07-29T12:40:07","date_gmt":"2024-07-29T12:40:07","guid":{"rendered":"https:\/\/sinovalveco.com\/?p=3657"},"modified":"2024-07-31T16:42:16","modified_gmt":"2024-07-31T16:42:16","slug":"high-pressure-gate-valve-application-and-troubleshooting","status":"publish","type":"post","link":"https:\/\/ntgdvalve.com\/pt\/high-pressure-gate-valve-application-and-troubleshooting\/","title":{"rendered":"Aplica\u00e7\u00e3o e solu\u00e7\u00e3o de problemas da v\u00e1lvula de gaveta de alta press\u00e3o"},"content":{"rendered":"<p>Uma v\u00e1lvula de gaveta de alta press\u00e3o \u00e9 uma v\u00e1lvula de alta resist\u00eancia para uso em aplica\u00e7\u00f5es de alta press\u00e3o. A v\u00e1lvula opera usando um disco que se move para cima e para baixo para iniciar e interromper o fluxo de fluido. A v\u00e1lvula opera por meio de um volante manual ou de atuadores. Os atuadores usados nessa v\u00e1lvula s\u00e3o hidr\u00e1ulicos, el\u00e9tricos ou pneum\u00e1ticos. O princ\u00edpio de funcionamento da v\u00e1lvula atuada e da v\u00e1lvula manual \u00e9 o mesmo. A v\u00e1lvula \u00e9 automatizada com atuadores quando \u00e9 necess\u00e1rio um alto torque para operar. Mesmo quando \u00e9 necess\u00e1rio um baixo torque para operar a v\u00e1lvula, a automa\u00e7\u00e3o tamb\u00e9m \u00e9 usada para aprimorar a automa\u00e7\u00e3o industrial completa. A v\u00e1lvula \u00e9 usada somente para aplica\u00e7\u00f5es de fechamento. O uso da v\u00e1lvula para estrangular o fluxo causa danos ao disco da v\u00e1lvula ou leva \u00e0 eros\u00e3o r\u00e1pida devido \u00e0 alta press\u00e3o e \u00e0 alta taxa de fluxo.<\/p>\n<p>O fabricante de v\u00e1lvulas de gaveta de alta press\u00e3o produz diferentes tipos dessa v\u00e1lvula, como v\u00e1lvulas de gaveta em cunha, v\u00e1lvulas de passagem de condu\u00edte, v\u00e1lvulas operadas eletricamente, v\u00e1lvulas operadas pneumaticamente, entre outras. Essa v\u00e1lvula \u00e9 usada em diferentes aplica\u00e7\u00f5es, como abastecimento de \u00e1gua, produtos qu\u00edmicos, petr\u00f3leo e petroqu\u00edmica, g\u00e1s e usinas de energia. As vantagens dessa v\u00e1lvula incluem fluxo bidirecional, versatilidade na aplica\u00e7\u00e3o, baixa queda de press\u00e3o, alta resist\u00eancia e confiabilidade.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 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 tabela de conte\u00fado\"><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: #0a0a0a;color:#0a0a0a\" 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: #0a0a0a;color:#0a0a0a\" 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:\/\/ntgdvalve.com\/pt\/high-pressure-gate-valve-application-and-troubleshooting\/#Applications_of_high-pressure_gate_valves\" >Aplica\u00e7\u00f5es de v\u00e1lvulas de gaveta de alta press\u00e3o\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/ntgdvalve.com\/pt\/high-pressure-gate-valve-application-and-troubleshooting\/#Advantages_of_high-pressure_gate_valves\" >Vantagens das v\u00e1lvulas de gaveta de alta press\u00e3o\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/ntgdvalve.com\/pt\/high-pressure-gate-valve-application-and-troubleshooting\/#Disadvantages_of_high-pressure_gate_valves\" >Desvantagens das v\u00e1lvulas de gaveta de alta press\u00e3o\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/ntgdvalve.com\/pt\/high-pressure-gate-valve-application-and-troubleshooting\/#Troubleshooting_high-pressure_gate_valves\" >Solu\u00e7\u00e3o de problemas em v\u00e1lvulas de gaveta de alta press\u00e3o\u00a0<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/ntgdvalve.com\/pt\/high-pressure-gate-valve-application-and-troubleshooting\/#Fluid_leakage_through_the_body_flanges\" >Vazamento de fluido atrav\u00e9s dos flanges do corpo\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/ntgdvalve.com\/pt\/high-pressure-gate-valve-application-and-troubleshooting\/#Fluid_leakage_between_the_bonnet_and_the_body\" >Vazamento de fluido entre o cap\u00f4 e a carroceria\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/ntgdvalve.com\/pt\/high-pressure-gate-valve-application-and-troubleshooting\/#The_valve_is_hard_to_operate\" >A v\u00e1lvula \u00e9 dif\u00edcil de operar\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/ntgdvalve.com\/pt\/high-pressure-gate-valve-application-and-troubleshooting\/#The_valve_does_not_openclose_completely\" >A v\u00e1lvula n\u00e3o abre\/fecha completamente\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/ntgdvalve.com\/pt\/high-pressure-gate-valve-application-and-troubleshooting\/#Fluid_leakage_through_the_stem\" >Vazamento de fluido pela haste\u00a0<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Applications_of_high-pressure_gate_valves\"><\/span><span style=\"font-size: 14pt; color: #0000ff;\"><strong>Aplica\u00e7\u00f5es de v\u00e1lvulas de gaveta de alta press\u00e3o\u00a0<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>Essas v\u00e1lvulas s\u00e3o usadas em usinas de energia t\u00e9rmica para controlar o fluxo de vapor e \u00e1gua em altas temperaturas sem danificar as sedes das v\u00e1lvulas.<\/li>\n<li>Eles s\u00e3o usados no abastecimento municipal de \u00e1gua em longas dist\u00e2ncias, pois t\u00eam uma baixa queda de press\u00e3o.<\/li>\n<li>As v\u00e1lvulas de gaveta de alta press\u00e3o s\u00e3o usadas no transporte de petr\u00f3leo e derivados.<\/li>\n<li>As v\u00e1lvulas de gaveta de alta press\u00e3o s\u00e3o usadas em f\u00e1bricas de a\u00e7o.<\/li>\n<li>Eles s\u00e3o usados para alimentar sistemas de caldeiras.<\/li>\n<li>Eles s\u00e3o usados em aplica\u00e7\u00f5es mar\u00edtimas.<\/li>\n<li>Eles s\u00e3o usados no transporte de produtos qu\u00edmicos e \u00e1gua.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Advantages_of_high-pressure_gate_valves\"><\/span><span style=\"font-size: 14pt; color: #0000ff;\"><strong>Vantagens das v\u00e1lvulas de gaveta de alta press\u00e3o\u00a0<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>As v\u00e1lvulas de gaveta de alta press\u00e3o t\u00eam baixa queda de press\u00e3o quando est\u00e3o totalmente abertas. Isso ajuda a economizar energia de bombeamento.<\/li>\n<li>Elas s\u00e3o bidirecionais. Essa propriedade permite que a v\u00e1lvula transporte fluido em qualquer dire\u00e7\u00e3o do sistema de tubula\u00e7\u00e3o.<\/li>\n<li>Eles s\u00e3o de alta resist\u00eancia, o que lhes permite operar sob alta press\u00e3o e temperatura.<\/li>\n<li>Essas v\u00e1lvulas s\u00e3o vers\u00e1teis na aplica\u00e7\u00e3o, pois s\u00e3o usadas em muitas aplica\u00e7\u00f5es industriais.<\/li>\n<li>Eles n\u00e3o apresentam vazamento de fluido.<\/li>\n<li>Alta press\u00e3o<a href=\"https:\/\/ntgdvalve.com\/pt\/gate-valve\/\"> v\u00e1lvulas de gaveta<\/a> s\u00e3o altamente confi\u00e1veis para o fluxo de fluido ligado e desligado.<\/li>\n<li>Eles podem ser automatizados ou operados manualmente.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Disadvantages_of_high-pressure_gate_valves\"><\/span><span style=\"font-size: 14pt; color: #0000ff;\"><strong>Desvantagens das v\u00e1lvulas de gaveta de alta press\u00e3o\u00a0<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>Essas v\u00e1lvulas n\u00e3o s\u00e3o recomendadas para aplica\u00e7\u00f5es de estrangulamento, pois o disco se desgasta rapidamente ou \u00e9 danificado.<\/li>\n<li>A v\u00e1lvula produz muito ru\u00eddo e vibra\u00e7\u00e3o quando est\u00e1 parcialmente aberta.<\/li>\n<li>Ela exige v\u00e1rias voltas do volante para abrir ou fechar, ao contr\u00e1rio das v\u00e1lvulas de esfera que exigem apenas um quarto de volta.<\/li>\n<li>As v\u00e1lvulas de gaveta de alta press\u00e3o precisam de uma grande \u00e1rea para instala\u00e7\u00e3o.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Troubleshooting_high-pressure_gate_valves\"><\/span><span style=\"font-size: 14pt; color: #0000ff;\"><strong>Solu\u00e7\u00e3o de problemas em v\u00e1lvulas de gaveta de alta press\u00e3o\u00a0<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Fluid_leakage_through_the_body_flanges\"><\/span><strong><em>Vazamento de fluido atrav\u00e9s dos flanges do corpo\u00a0<\/em><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Parafusos soltos. Aperte os parafusos e as porcas de acordo com o torque de aperto da v\u00e1lvula de alta press\u00e3o. <a href=\"https:\/\/ntgdvalve.com\/pt\/gate-valve\/\">Fabricante de v\u00e1lvulas de gaveta<\/a> recomenda.<\/li>\n<li>Junta desgastada. Substitua a junta.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Fluid_leakage_between_the_bonnet_and_the_body\"><\/span><strong><em>Vazamento de fluido entre o cap\u00f4 e a carroceria\u00a0<\/em><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Junta desgastada. Substitua a junta.<\/li>\n<li>Parafusos soltos. Aperte os parafusos.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"The_valve_is_hard_to_operate\"><\/span><strong><em>A v\u00e1lvula \u00e9 dif\u00edcil de operar\u00a0<\/em><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Materiais estranhos est\u00e3o presos na v\u00e1lvula. Desmonte a v\u00e1lvula e limpe as part\u00edculas s\u00f3lidas.<\/li>\n<li>Haste danificada. Substitua a haste.<\/li>\n<li>Assentos desgastados ou danificados. Substitua os assentos.<\/li>\n<li>Desalinhamento no flange do prensa-cabos. Alinhe novamente o flange da sobreposta.<\/li>\n<li>O parafuso da gl\u00e2ndula est\u00e1 muito apertado. Solte o parafuso da gl\u00e2ndula.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"The_valve_does_not_openclose_completely\"><\/span><strong><em>A v\u00e1lvula n\u00e3o abre\/fecha completamente\u00a0<\/em><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Objetos estranhos na v\u00e1lvula. Desmonte a v\u00e1lvula e limpe os materiais estranhos.<\/li>\n<li>As roscas da haste est\u00e3o gastas ou danificadas. Substitua a haste.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Fluid_leakage_through_the_stem\"><\/span><strong><em>Vazamento de fluido pela haste\u00a0<\/em><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Gaxeta desgastada. Substitua a gaxeta.<\/li>\n<li>Perda do flange da gaxeta. Aperte o flange do gargalo.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>A high-pressure gate valve is a high-strength valve for use in high-pressure applications. The valve operates using a disc that [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3659,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_eb_attr":"","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":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","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":[45],"tags":[],"class_list":["post-3657","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"_links":{"self":[{"href":"https:\/\/ntgdvalve.com\/pt\/wp-json\/wp\/v2\/posts\/3657","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ntgdvalve.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ntgdvalve.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ntgdvalve.com\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ntgdvalve.com\/pt\/wp-json\/wp\/v2\/comments?post=3657"}],"version-history":[{"count":0,"href":"https:\/\/ntgdvalve.com\/pt\/wp-json\/wp\/v2\/posts\/3657\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ntgdvalve.com\/pt\/wp-json\/wp\/v2\/media\/3659"}],"wp:attachment":[{"href":"https:\/\/ntgdvalve.com\/pt\/wp-json\/wp\/v2\/media?parent=3657"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ntgdvalve.com\/pt\/wp-json\/wp\/v2\/categories?post=3657"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ntgdvalve.com\/pt\/wp-json\/wp\/v2\/tags?post=3657"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}