{"id":3642,"date":"2023-03-01T06:32:10","date_gmt":"2023-03-01T06:32:10","guid":{"rendered":"https:\/\/sinovalveco.com\/?p=3642"},"modified":"2024-08-25T15:37:49","modified_gmt":"2024-08-25T15:37:49","slug":"flange-globe-valve-application-and-trouble-shooting","status":"publish","type":"post","link":"https:\/\/ntgdvalve.com\/pt\/flange-globe-valve-application-and-trouble-shooting\/","title":{"rendered":"Aplica\u00e7\u00e3o da v\u00e1lvula globo de flange e solu\u00e7\u00e3o de problemas"},"content":{"rendered":"<p>As v\u00e1lvulas globo com flange s\u00e3o v\u00e1lvulas globo projetadas com flanges. Os flanges conectam a v\u00e1lvula \u00e0 tubula\u00e7\u00e3o usando parafusos e porcas. Essas v\u00e1lvulas s\u00e3o robustas e usadas principalmente para aplica\u00e7\u00f5es de alta press\u00e3o e alta temperatura. A v\u00e1lvula opera por meio de um atuador manual ou por meio de um atuador el\u00e9trico, pneum\u00e1tico ou hidr\u00e1ulico. Dessa forma, elas podem ser semiautomatizadas ou totalmente automatizadas. A opera\u00e7\u00e3o da v\u00e1lvula depende da rota\u00e7\u00e3o do volante ou do atuador, que, por sua vez, gira a haste da v\u00e1lvula. Girar a haste da v\u00e1lvula faz com que o disco da v\u00e1lvula se mova para cima ou para baixo para abrir ou fechar o fluxo de fluido. Essas v\u00e1lvulas s\u00e3o adequadas para uso em aplica\u00e7\u00f5es de estrangulamento. Para estrangular o fluxo, o operador gira levemente o volante, for\u00e7ando o disco para cima e, assim, uma certa quantidade de fluido flui.<\/p>\n<p>Os fabricantes de v\u00e1lvulas globo de flange produziram v\u00e1rios tipos dessa v\u00e1lvula, incluindo v\u00e1lvulas padr\u00e3o, v\u00e1lvulas com padr\u00e3o Y, v\u00e1lvulas com padr\u00e3o angular, v\u00e1lvulas operadas eletricamente e v\u00e1lvulas operadas pneumaticamente. A v\u00e1lvula pode ser usada em v\u00e1rias aplica\u00e7\u00f5es, como sistemas HVAC, petr\u00f3leo, g\u00e1s, usinas de energia a vapor, processamento qu\u00edmico, sistemas de caldeiras e abastecimento de \u00e1gua. As vantagens de ter uma v\u00e1lvula globo de flange s\u00e3o: adequada para estrangulamento, vers\u00e1til em tamanho e aplica\u00e7\u00e3o, f\u00e1cil de limpar e consertar, opera\u00e7\u00e3o r\u00e1pida e fechamento confi\u00e1vel.<\/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\/flange-globe-valve-application-and-trouble-shooting\/#Applications_of_flange_globe_valve\" >Aplica\u00e7\u00f5es da v\u00e1lvula globo de flange<\/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\/flange-globe-valve-application-and-trouble-shooting\/#Advantages_of_flange_globe_valves\" >Vantagens das v\u00e1lvulas globo de flange\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\/flange-globe-valve-application-and-trouble-shooting\/#Disadvantages_of_flange_globe_valves\" >Desvantagens das v\u00e1lvulas globo de flange\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\/flange-globe-valve-application-and-trouble-shooting\/#Troubleshooting_flange_globe_valves\" >Solu\u00e7\u00e3o de problemas em v\u00e1lvulas globo de flange\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\/flange-globe-valve-application-and-trouble-shooting\/#Valve_disc_damaged_by_corrosion\" >Disco da v\u00e1lvula danificado por corros\u00e3o\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\/flange-globe-valve-application-and-trouble-shooting\/#Fluid_leakage_via_the_valve_body-pipe_joint\" >Vazamento de fluido pela junta do corpo da v\u00e1lvula e do tubo<\/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\/flange-globe-valve-application-and-trouble-shooting\/#Leakage_through_the_valve_packing\" >Vazamento atrav\u00e9s da gaxeta da v\u00e1lvula\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\/flange-globe-valve-application-and-trouble-shooting\/#Broken_or_bent_stem_head\" >Cabe\u00e7a da haste quebrada ou dobrada\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\/flange-globe-valve-application-and-trouble-shooting\/#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-10\" href=\"https:\/\/ntgdvalve.com\/pt\/flange-globe-valve-application-and-trouble-shooting\/#The_valve_does_not_closeopen_fully\" >A v\u00e1lvula n\u00e3o fecha\/abre totalmente\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/ntgdvalve.com\/pt\/flange-globe-valve-application-and-trouble-shooting\/#Leakage_through_the_valve_seat_and_disc\" >Vazamento atrav\u00e9s da sede e do disco da v\u00e1lvula\u00a0<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Applications_of_flange_globe_valve\"><\/span><span style=\"font-size: 14pt; color: #0000ff;\"><strong>Aplica\u00e7\u00f5es da v\u00e1lvula globo de flange<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Essas v\u00e1lvulas s\u00e3o usadas em v\u00e1rias aplica\u00e7\u00f5es em diferentes setores, entre eles:<\/p>\n<ul>\n<li>Sistemas de resfriamento de \u00e1gua e abastecimento de \u00e1gua.<\/li>\n<li>Processamento qu\u00edmico.<\/li>\n<li>Refinaria de petr\u00f3leo.<\/li>\n<li>Drenos e aberturas de ventila\u00e7\u00e3o da caldeira.<\/li>\n<li>Usinas de energia a vapor.<\/li>\n<li>Sistema de aquecimento, ventila\u00e7\u00e3o e ar condicionado (HVAC).<\/li>\n<li>Ind\u00fastrias de alimentos e bebidas.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Advantages_of_flange_globe_valves\"><\/span><span style=\"font-size: 14pt; color: #0000ff;\"><strong>Vantagens das v\u00e1lvulas globo de flange\u00a0<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>Essas v\u00e1lvulas s\u00e3o adequadas tanto para aplica\u00e7\u00f5es de fechamento quanto de estrangulamento.<\/li>\n<li>Eles s\u00e3o de alta resist\u00eancia e adequados para fluidos quentes e de alta press\u00e3o.<\/li>\n<li>Essas v\u00e1lvulas s\u00e3o altamente vers\u00e1teis e ideais para v\u00e1rios setores e aplica\u00e7\u00f5es.<\/li>\n<li>As v\u00e1lvulas globo de flange s\u00e3o vers\u00e1teis em tamanho, pois s\u00e3o feitas para acomodar diversas taxas de fluxo.<\/li>\n<li>Eles t\u00eam um design simples, o que facilita o reparo e a manuten\u00e7\u00e3o.<\/li>\n<li>Eles s\u00e3o f\u00e1ceis de limpar e instalar.<\/li>\n<li>As v\u00e1lvulas globo de flange operam mais rapidamente em compara\u00e7\u00e3o com as v\u00e1lvulas de gaveta.<\/li>\n<li>Eles t\u00eam excelentes recursos de fechamento, o que os torna livres de vazamentos.<\/li>\n<li>Eles podem ser manuais ou automatizados.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Disadvantages_of_flange_globe_valves\"><\/span><span style=\"font-size: 14pt; color: #0000ff;\"><strong>Desvantagens das v\u00e1lvulas globo de flange\u00a0<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>Essas v\u00e1lvulas t\u00eam quedas de alta press\u00e3o que podem causar inconvenientes no fluxo.<\/li>\n<li>\u00c9 necess\u00e1rio muito torque para fechar\/abrir o disco da v\u00e1lvula.<\/li>\n<li>Elas produzem altos n\u00edveis de ru\u00eddo em compara\u00e7\u00e3o com outras v\u00e1lvulas.<\/li>\n<li>Eles s\u00e3o propensos a pulsa\u00e7\u00f5es e choques que podem danificar as tubula\u00e7\u00f5es sob alta press\u00e3o.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Troubleshooting_flange_globe_valves\"><\/span><span style=\"font-size: 14pt; color: #0000ff;\"><strong>Solu\u00e7\u00e3o de problemas em v\u00e1lvulas globo de flange\u00a0<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Valve_disc_damaged_by_corrosion\"><\/span><strong><em>Disco da v\u00e1lvula danificado por corros\u00e3o\u00a0<\/em><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Material do disco da v\u00e1lvula incompat\u00edvel com o fluido. Selecione uma v\u00e1lvula cujo material do disco seja resistente \u00e0 corros\u00e3o.<\/li>\n<li>Disco da v\u00e1lvula exposto a fluidos de teste corrosivos. Consulte os especialistas em v\u00e1lvulas ou flanges <a href=\"https:\/\/ntgdvalve.com\/pt\/flange-globe-valve\/\">Fabricante de globos<\/a> no qual <a href=\"https:\/\/ntgdvalve.com\/pt\/globe-valve\/\">v\u00e1lvula globo<\/a> seja compat\u00edvel com o l\u00edquido que voc\u00ea deseja transportar.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Fluid_leakage_via_the_valve_body-pipe_joint\"><\/span><strong><em>Vazamento de fluido pela junta do corpo da v\u00e1lvula e do tubo<\/em><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>A junta do flange est\u00e1 desgastada. Substitua a junta.<\/li>\n<li>Parafusos soltos. Aperte os parafusos e as porcas.<\/li>\n<li>Alta press\u00e3o do fluido. Reduza a press\u00e3o do fluido ou use um produto com classifica\u00e7\u00e3o mais alta. <a href=\"https:\/\/ntgdvalve.com\/pt\/flange-globe-valve\/\">v\u00e1lvula globo com flange<\/a>.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Leakage_through_the_valve_packing\"><\/span><strong><em>Vazamento atrav\u00e9s da gaxeta da v\u00e1lvula\u00a0<\/em><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Gaxeta instalada incorretamente. Verifique os prensa gaxetas e ajuste-os para que se encaixem corretamente.<\/li>\n<li>Gaxeta desgastada. Substitua a gaxeta.<\/li>\n<li>Superf\u00edcie \u00e1spera da haste. Substitua ou conserte a haste.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Broken_or_bent_stem_head\"><\/span><strong><em>Cabe\u00e7a da haste quebrada ou dobrada\u00a0<\/em><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>A v\u00e1lvula foi operada de forma incorreta. Opere a v\u00e1lvula adequadamente, conforme recomendado pelo fabricante da v\u00e1lvula globo de flange.<\/li>\n<li>A v\u00e1lvula foi usada por um longo per\u00edodo. Substitua a haste da v\u00e1lvula.<\/li>\n<li>Materiais obstru\u00eddos entre as roscas da haste. Abra o castelo da v\u00e1lvula e remova todos os materiais estranhos.<\/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>Part\u00edculas s\u00f3lidas est\u00e3o presas na v\u00e1lvula. Abra a v\u00e1lvula e remova os materiais s\u00f3lidos que est\u00e3o causando o bloqueio.<\/li>\n<li>Flange da sobreposta desalinhada. Alinhe corretamente o flange da sobreposta.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"The_valve_does_not_closeopen_fully\"><\/span><strong><em>A v\u00e1lvula n\u00e3o fecha\/abre totalmente\u00a0<\/em><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Materiais estranhos na v\u00e1lvula. Verifique a sede da v\u00e1lvula e remova quaisquer materiais estranhos.<\/li>\n<li>Sede da v\u00e1lvula desgastada. Substitua a sede da v\u00e1lvula.<\/li>\n<li>Disco desgastado. Substitua o disco da v\u00e1lvula.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Leakage_through_the_valve_seat_and_disc\"><\/span><strong><em>Vazamento atrav\u00e9s da sede e do disco da v\u00e1lvula\u00a0<\/em><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Detritos e sujeira na superf\u00edcie de assentamento. Desmonte a v\u00e1lvula e limpe a sujeira e os detritos.<\/li>\n<li>Disco desgastado. Substitua o disco da v\u00e1lvula.<\/li>\n<li>Assentos desgastados. Substitua os assentos.<\/li>\n<\/ul>\n<p><strong>\u00a0<\/strong><\/p>","protected":false},"excerpt":{"rendered":"<p>Flange globe valves are globe valves designed with flanges. The flanges connect the valve to the pipe using bolts and [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":3637,"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":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"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-3642","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\/3642","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\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/ntgdvalve.com\/pt\/wp-json\/wp\/v2\/comments?post=3642"}],"version-history":[{"count":0,"href":"https:\/\/ntgdvalve.com\/pt\/wp-json\/wp\/v2\/posts\/3642\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ntgdvalve.com\/pt\/wp-json\/wp\/v2\/media\/3637"}],"wp:attachment":[{"href":"https:\/\/ntgdvalve.com\/pt\/wp-json\/wp\/v2\/media?parent=3642"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ntgdvalve.com\/pt\/wp-json\/wp\/v2\/categories?post=3642"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ntgdvalve.com\/pt\/wp-json\/wp\/v2\/tags?post=3642"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}