{"id":3888,"date":"2024-07-29T12:40:07","date_gmt":"2024-07-29T12:40:07","guid":{"rendered":"https:\/\/sinovalveco.com\/?p=3888"},"modified":"2024-08-25T15:40:40","modified_gmt":"2024-08-25T15:40:40","slug":"whats-the-main-parts-of-control-valve","status":"publish","type":"post","link":"https:\/\/ntgdvalve.com\/pt\/whats-the-main-parts-of-control-valve\/","title":{"rendered":"Quais s\u00e3o as principais partes da v\u00e1lvula de controle?"},"content":{"rendered":"<p><span style=\"font-size: 14pt;\">Em geral, as v\u00e1lvulas de controle consistem em tr\u00eas partes principais: o corpo da v\u00e1lvula, o atuador e os acess\u00f3rios. O meio flui para o corpo da v\u00e1lvula a partir da entrada e sai pela sa\u00edda. O atuador controla a opera\u00e7\u00e3o da v\u00e1lvula, regulando a taxa de fluxo e a velocidade do fluido. Os acess\u00f3rios s\u00e3o usados junto com o atuador para atender a v\u00e1rios requisitos de controle e monitoramento.<\/span><\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-3889 aligncenter\" src=\"https:\/\/ntgdvalve.com\/wp-content\/uploads\/2024\/03\/What-is-the-main-parts-of-control-valve-scaled.jpg\" alt=\"Quais s\u00e3o as principais partes da v\u00e1lvula de controle?\" width=\"450\" height=\"351\" srcset=\"https:\/\/ntgdvalve.com\/wp-content\/uploads\/2024\/03\/What-is-the-main-parts-of-control-valve-scaled.jpg 2560w, https:\/\/ntgdvalve.com\/wp-content\/uploads\/2024\/03\/What-is-the-main-parts-of-control-valve-scaled-600x468.jpg 600w, https:\/\/ntgdvalve.com\/wp-content\/uploads\/2024\/03\/What-is-the-main-parts-of-control-valve-768x599.jpg 768w, https:\/\/ntgdvalve.com\/wp-content\/uploads\/2024\/03\/What-is-the-main-parts-of-control-valve-1536x1198.jpg 1536w, https:\/\/ntgdvalve.com\/wp-content\/uploads\/2024\/03\/What-is-the-main-parts-of-control-valve-2048x1597.jpg 2048w, https:\/\/ntgdvalve.com\/wp-content\/uploads\/2024\/03\/What-is-the-main-parts-of-control-valve-15x12.jpg 15w\" sizes=\"(max-width: 450px) 100vw, 450px\" \/><\/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\/whats-the-main-parts-of-control-valve\/#Valve_Body\" >Corpo da v\u00e1lvula<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/ntgdvalve.com\/pt\/whats-the-main-parts-of-control-valve\/#Seat\" >Assento<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/ntgdvalve.com\/pt\/whats-the-main-parts-of-control-valve\/#Valve_Plug\" >Plugue da v\u00e1lvula<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/ntgdvalve.com\/pt\/whats-the-main-parts-of-control-valve\/#Stem\" >Caule<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/ntgdvalve.com\/pt\/whats-the-main-parts-of-control-valve\/#Actuator\" >Atuador<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/ntgdvalve.com\/pt\/whats-the-main-parts-of-control-valve\/#Accessories\" >Acess\u00f3rios<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Valve_Body\"><\/span><span style=\"color: #000080;\">Corpo da v\u00e1lvula<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-size: 14pt;\">O corpo da v\u00e1lvula de controle \u00e9 projetado para suportar a press\u00e3o do fluido e requer materiais com resist\u00eancia adequada. Os materiais comuns incluem ferro fundido, a\u00e7o fundido, a\u00e7o inoxid\u00e1vel e ligas de a\u00e7o. A sele\u00e7\u00e3o do material depende de fatores como a press\u00e3o do meio e a temperatura do projeto. O projeto da passagem de fluxo do corpo da v\u00e1lvula segue os princ\u00edpios da din\u00e2mica dos fluidos para minimizar as perdas de fluxo.<\/span><\/p>\n<p><span style=\"font-size: 14pt;\">As v\u00e1lvulas de controle s\u00e3o fornecidas em diferentes tipos de corpos de v\u00e1lvula, como configura\u00e7\u00f5es de assento \u00fanico, assento duplo, \u00e2ngulo e gaiola. A escolha do tipo adequado de v\u00e1lvula depende dos requisitos espec\u00edficos do processo e das condi\u00e7\u00f5es operacionais. Al\u00e9m da carca\u00e7a, os componentes internos do corpo da v\u00e1lvula incluem a sede da v\u00e1lvula, o plugue da v\u00e1lvula e a haste.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Seat\"><\/span><span style=\"color: #000080;\">Assento<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-size: 14pt;\">A sede \u00e9 um componente de veda\u00e7\u00e3o crucial do corpo da v\u00e1lvula, exigindo um material de alta dureza para vedar firmemente contra o plugue da v\u00e1lvula. Os materiais comuns incluem ligas duras. Qualquer desgaste ou dano \u00e0 superf\u00edcie de veda\u00e7\u00e3o da sede pode levar ao vazamento de fluido quando fechada, enfatizando a necessidade de prote\u00e7\u00e3o adequada durante o uso.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Valve_Plug\"><\/span><span style=\"color: #000080;\">Plugue da v\u00e1lvula<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-size: 14pt;\">A estrutura dos plugues de v\u00e1lvula varia de acordo com o tipo de v\u00e1lvula de controle, incluindo varia\u00e7\u00f5es do tipo plugue, tipo disco e esf\u00e9ricas. O desempenho do plugue da v\u00e1lvula influencia diretamente a regulagem do fluxo e a efic\u00e1cia do controle. Normalmente, os plugues de v\u00e1lvula s\u00e3o feitos de materiais resistentes ao desgaste e \u00e0 corros\u00e3o, que correspondem ou superam as propriedades do material do corpo da v\u00e1lvula.<\/span><\/p>\n<p><span style=\"font-size: 14pt;\">O plugue e a sede da v\u00e1lvula formam o par de veda\u00e7\u00e3o da v\u00e1lvula, com o ajuste firme determinando a intercepta\u00e7\u00e3o do fluido e o fechamento da v\u00e1lvula. O grau de abertura do plugue e da sede da v\u00e1lvula controla a taxa de fluxo.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Stem\"><\/span><span style=\"color: #000080;\">Caule<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-size: 14pt;\">A haste conecta o atuador ao plugue da v\u00e1lvula, permitindo que o atuador controle a posi\u00e7\u00e3o de abertura do plugue. As hastes podem ter movimento linear ou rotacional, sendo as hastes lineares adequadas para ajustes precisos e as hastes rotacionais para controle de vaz\u00e3o de amplo alcance.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Actuator\"><\/span><span style=\"color: #000080;\">Atuador<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-size: 14pt;\">Os atuadores acionam as fun\u00e7\u00f5es de abertura, fechamento e ajuste da v\u00e1lvula. Os tipos comuns incluem atuadores pneum\u00e1ticos, el\u00e9tricos e hidr\u00e1ulicos, sendo que os pneum\u00e1ticos s\u00e3o os mais comuns devido \u00e0 sua simplicidade e custo-benef\u00edcio.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Accessories\"><\/span><span style=\"color: #000080;\">Acess\u00f3rios<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-size: 14pt;\">Os acess\u00f3rios complementam o atuador, aprimorando a funcionalidade da v\u00e1lvula. Eles incluem posicionadores, mantenedores de posi\u00e7\u00e3o, filtros reguladores, boosters e v\u00e1lvulas solenoides.<\/span><\/p>\n<ul>\n<li><span style=\"font-size: 14pt;\"><span style=\"color: #000080;\"><strong>Posicionador:<\/strong><\/span> Detecta e controla a abertura da v\u00e1lvula, fornecendo feedback ao sistema de controle. Os tipos incluem variantes pneum\u00e1ticas, el\u00e9tricas e inteligentes.<\/span><\/li>\n<li><span style=\"font-size: 14pt;\"><span style=\"color: #000080;\"><strong>Mantenedor de posi\u00e7\u00e3o:<\/strong> <\/span>Preserva automaticamente a posi\u00e7\u00e3o da v\u00e1lvula quando a press\u00e3o da fonte \u00e9 interrompida.<\/span><\/li>\n<li><span style=\"font-size: 14pt;\"><strong><span style=\"color: #000080;\">Filtro regulador:<\/span> <\/strong>Remove as impurezas do caminho principal do g\u00e1s e estabiliza a press\u00e3o do ar.<\/span><\/li>\n<li><span style=\"font-size: 14pt;\"><span style=\"color: #000080;\"><strong>Refor\u00e7o:<\/strong> <\/span>Amplifica a tens\u00e3o de sa\u00edda do posicionador, acelerando a velocidade de a\u00e7\u00e3o da v\u00e1lvula.<\/span><\/li>\n<li><span style=\"font-size: 14pt;\"><span style=\"color: #000080;\">V\u00e1lvula solenoide:<\/span> Controla a dire\u00e7\u00e3o do n\u00facleo da v\u00e1lvula usando atra\u00e7\u00e3o eletromagn\u00e9tica para trocar de posi\u00e7\u00e3o.<\/span><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Control valves typically consist of three main parts: the valve body, the actuator, and accessories. The medium flows into the [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":3890,"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-3888","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\/3888","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=3888"}],"version-history":[{"count":0,"href":"https:\/\/ntgdvalve.com\/pt\/wp-json\/wp\/v2\/posts\/3888\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ntgdvalve.com\/pt\/wp-json\/wp\/v2\/media\/3890"}],"wp:attachment":[{"href":"https:\/\/ntgdvalve.com\/pt\/wp-json\/wp\/v2\/media?parent=3888"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ntgdvalve.com\/pt\/wp-json\/wp\/v2\/categories?post=3888"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ntgdvalve.com\/pt\/wp-json\/wp\/v2\/tags?post=3888"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}