{"id":5733,"date":"2021-03-06T13:00:13","date_gmt":"2021-03-06T13:00:13","guid":{"rendered":"https:\/\/www.stvvalves.com\/?p=5733"},"modified":"2021-03-06T13:44:44","modified_gmt":"2021-03-06T13:44:44","slug":"gate-valve-materials","status":"publish","type":"post","link":"https:\/\/www.stvvalves.com\/pt\/gate-valve-materials\/","title":{"rendered":"Como selecionar materiais para v\u00e1lvulas de gaveta"},"content":{"rendered":"<div class=\"portlet-body\">\n<div class=\"journal-content-article\">\n<p>A sele\u00e7\u00e3o do material da v\u00e1lvula gaveta depende principalmente do meio fluido e do ambiente de trabalho. De acordo com os diferentes meios e ambientes, a sele\u00e7\u00e3o do material tamb\u00e9m \u00e9 diferente. De modo geral, a sele\u00e7\u00e3o do material da v\u00e1lvula \u00e9 dividida em tr\u00eas aspectos; a superf\u00edcie de veda\u00e7\u00e3o do disco da v\u00e1lvula, na qual o corpo da v\u00e1lvula \u00e9 geralmente feito de a\u00e7o carbono, ferro fundido (ferro fundido cinzento) a\u00e7o inoxid\u00e1vel (304 316) e a placa da v\u00e1lvula \u00e9 feita de a\u00e7o carbono, a\u00e7o inoxid\u00e1vel (304 316) fase dupla a\u00e7o (2507 316) Geralmente, a superf\u00edcie de veda\u00e7\u00e3o do revestimento de n\u00e1ilon com fl\u00faor possui: NBR EPDM PDEF ppl. Os clientes podem escolher o material correspondente de acordo com suas reais necessidades. Entre em contato com nossa equipe de vendas e esperamos cooperar com voc\u00ea.<\/p>\n<\/div>\n<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\">Table of Contents<\/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=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/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-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.stvvalves.com\/pt\/gate-valve-materials\/#BODY\" >CORPO<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.stvvalves.com\/pt\/gate-valve-materials\/#TRIM\" >APARAR<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.stvvalves.com\/pt\/gate-valve-materials\/#MATERIAL_SELECTION\" >SELE\u00c7\u00c3O DE MATERIAIS<\/a><\/li><\/ul><\/nav><\/div>\n<h3><span class=\"ez-toc-section\" id=\"BODY\"><\/span>CORPO<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"journal-content-article\">\n<div>O corpo de<a href=\"https:\/\/www.youtube.com\/watch?v=C5ZMLWujKGs\" target=\"_blank\" rel=\"noopener\"> v\u00e1lvulas de gaveta<\/a>\u00a0<strong>abaixo de 2 polegadas<\/strong>\u00a0geralmente \u00e9 feito de\u00a0<a href=\"https:\/\/www.stvvalves.com\/pt\/wholesale\/gate-valve\/forged-steel-gate-valve\/\">a\u00e7o forjado<\/a>\u00a0(os tipos de material de corpo mais comuns s\u00e3o ASTM A105 para servi\u00e7o em alta temperatura, ASTM A350 para servi\u00e7o em baixa temperatura e ASTM A182 F304\/F316 para servi\u00e7o corrosivo).<\/div>\n<div><\/div>\n<div>Os corpos das v\u00e1lvulas gaveta de tamanhos de furo\u00a0<strong>acima de 2 polegadas<\/strong>\u00a0s\u00e3o, em vez disso, feitas de a\u00e7o fundido (as principais classes fundidas s\u00e3o ASTM A216 WCB para servi\u00e7o em alta temperatura, ASTM A351 para condi\u00e7\u00f5es de baixa temperatura e ASTM A351 CF8 e CF8M \u2013 ou seja, v\u00e1lvulas gaveta de a\u00e7o inoxid\u00e1vel 304 e 316).<\/div>\n<div><\/div>\n<div>\n<div class=\"row-fluid\">\n<h3><span class=\"ez-toc-section\" id=\"TRIM\"><\/span>APARAR<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>As pe\u00e7as remov\u00edveis e substitu\u00edveis da v\u00e1lvula s\u00e3o definidas coletivamente como \u201cinterno\u201d (para uma v\u00e1lvula gaveta: sede, disco, sede traseira e haste).<br \/>\nA especifica\u00e7\u00e3o API 600 prev\u00ea uma s\u00e9rie de combina\u00e7\u00f5es de acabamentos padr\u00e3o, conforme ilustrado abaixo<\/p>\n<table width=\"752\">\n<tbody>\n<tr>\n<th>API TRIM #<\/th>\n<th>MATERIAL BASE<\/th>\n<th>MATERIAL PARA ASSENTO<\/th>\n<th>MATERIAL PARA DISCO<\/th>\n<th>BANCO DE TR\u00c1S<br \/>\nMATERIAL<\/th>\n<th>MATERIAL PARA HASTE<\/th>\n<\/tr>\n<tr>\n<th>1<\/th>\n<td>410<\/td>\n<td>410<\/td>\n<td>410<\/td>\n<td>410<\/td>\n<td>410<\/td>\n<\/tr>\n<tr>\n<th>2<\/th>\n<td>304<\/td>\n<td>304<\/td>\n<td>304<\/td>\n<td>304<\/td>\n<td>304<\/td>\n<\/tr>\n<tr>\n<th>3<\/th>\n<td>F310<\/td>\n<td>310<\/td>\n<td>310<\/td>\n<td>310<\/td>\n<td>310<\/td>\n<\/tr>\n<tr>\n<th>4<\/th>\n<td>Dif\u00edcil 410<\/td>\n<td>Dif\u00edcil 410<\/td>\n<td>410<\/td>\n<td>410<\/td>\n<td>410<\/td>\n<\/tr>\n<tr>\n<th>5<\/th>\n<td>Severo<\/td>\n<td>Estelite<\/td>\n<td>Estelite<\/td>\n<td>410<\/td>\n<td>410<\/td>\n<\/tr>\n<tr>\n<th>5A<\/th>\n<td>Severo<\/td>\n<td>Ni-Cr<\/td>\n<td>Ni-Cr<\/td>\n<td>410<\/td>\n<td>410<\/td>\n<\/tr>\n<tr>\n<th>6<\/th>\n<td>410 e Cu-Ni<\/td>\n<td>Cu-Ni<\/td>\n<td>Cu-Ni<\/td>\n<td>410<\/td>\n<td>410<\/td>\n<\/tr>\n<tr>\n<th>7<\/th>\n<td>410 e Dif\u00edcil 410<\/td>\n<td>Dif\u00edcil 410<\/td>\n<td>Dif\u00edcil 410<\/td>\n<td>410<\/td>\n<td>410<\/td>\n<\/tr>\n<tr>\n<th>8<\/th>\n<td>410 e face dura<\/td>\n<td>Estelite<\/td>\n<td>410<\/td>\n<td>410<\/td>\n<td>410<\/td>\n<\/tr>\n<tr>\n<th>8A<\/th>\n<td>410 e face dura<\/td>\n<td>Ni-Cr<\/td>\n<td>410<\/td>\n<td>410<\/td>\n<td>410<\/td>\n<\/tr>\n<tr>\n<th>9<\/th>\n<td>Monel<\/td>\n<td>Monel<\/td>\n<td>Monel<\/td>\n<td>Monel<\/td>\n<td>Monel<\/td>\n<\/tr>\n<tr>\n<th>10<\/th>\n<td>316<\/td>\n<td>316<\/td>\n<td>316<\/td>\n<td>316<\/td>\n<td>316<\/td>\n<\/tr>\n<tr>\n<th>11<\/th>\n<td>Monel<\/td>\n<td>Estelite<\/td>\n<td>Monel<\/td>\n<td>Monel<\/td>\n<td>Monel<\/td>\n<\/tr>\n<tr>\n<th>12<\/th>\n<td>316 e Face Dura<\/td>\n<td>Estelite<\/td>\n<td>316<\/td>\n<td>316<\/td>\n<td>316<\/td>\n<\/tr>\n<tr>\n<th>13<\/th>\n<td>Liga 20<\/td>\n<td>Liga 20<\/td>\n<td>Liga 20<\/td>\n<td>Liga 20<\/td>\n<td>Liga 20<\/td>\n<\/tr>\n<tr>\n<th>14<\/th>\n<td>Liga 20 e revestimento duro<\/td>\n<td>Estelite<\/td>\n<td>Liga 20<\/td>\n<td>Liga 20<\/td>\n<td>Liga 20<\/td>\n<\/tr>\n<tr>\n<th>15<\/th>\n<td>304 e face dura<\/td>\n<td>Estelite<\/td>\n<td>Estelite<\/td>\n<td>304<\/td>\n<td>304<\/td>\n<\/tr>\n<tr>\n<th>16<\/th>\n<td>316 e Face Dura<\/td>\n<td>Estelite<\/td>\n<td>Estelite<\/td>\n<td>316<\/td>\n<td>316<\/td>\n<\/tr>\n<tr>\n<th>17<\/th>\n<td>347 e face dura<\/td>\n<td>Estelite<\/td>\n<td>Estelite<\/td>\n<td>347<\/td>\n<td>347<\/td>\n<\/tr>\n<tr>\n<th>18<\/th>\n<td>Liga 20 e revestimento duro<\/td>\n<td>Estelite<\/td>\n<td>Estelite<\/td>\n<td>Liga 20<\/td>\n<td>Liga 20<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><span class=\"ez-toc-section\" id=\"MATERIAL_SELECTION\"><\/span>SELE\u00c7\u00c3O DE MATERIAIS<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/div>\n<table>\n<tbody>\n<tr>\n<th>APARAR<\/th>\n<th>SERVI\u00c7O RECOMENDADO<\/th>\n<\/tr>\n<tr>\n<td><strong>13% Cr, a\u00e7o inoxid\u00e1vel tipo 410<\/strong><\/td>\n<td>Para \u00f3leo e vapores de \u00f3leo e servi\u00e7os gerais com sedes e cunhas tratadas termicamente.<\/td>\n<\/tr>\n<tr>\n<td><strong>13% Cr, Tipo 410 mais Revestimento Duro<\/strong><\/td>\n<td>Interno universal para servi\u00e7os gerais que exigem longa vida \u00fatil de at\u00e9 1100\u00b0F (593\u00b0C).*<\/td>\n<\/tr>\n<tr>\n<td><strong>Tipo 316 Inox<\/strong><\/td>\n<td>Para l\u00edquidos e gases corrosivos ao a\u00e7o inoxid\u00e1vel 410, at\u00e9 1000\u00b0F (537\u00b0C).*<\/td>\n<\/tr>\n<tr>\n<td><strong>Monel<\/strong><\/td>\n<td>Para servi\u00e7os corrosivos at\u00e9 842\u00b0F (450\u00b0C), como \u00e1cidos, \u00e1lcalis, solu\u00e7\u00f5es salinas, etc.<\/td>\n<\/tr>\n<tr>\n<td><strong>Liga 20<\/strong><\/td>\n<td>Para servi\u00e7os corrosivos, como \u00e1cidos quentes -49\u00b0F a 608oF (-45\u00b0C a 320\u00b0C).<\/td>\n<\/tr>\n<tr>\n<td><strong>NACE<\/strong><\/td>\n<td>Guarni\u00e7\u00f5es 316 ou 410 com tratamento especial combinadas opcionalmente com parafusos B7M e<br \/>\nPorcas 2HM para atender aos requisitos NACE MR-01-75.<\/td>\n<\/tr>\n<tr>\n<td><strong>Estelite completo<\/strong><\/td>\n<td>Acabamento totalmente duro, adequado para servi\u00e7os abrasivos e severos at\u00e9 1200\u00b0F (650\u00b0C).<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>The material selection of gate valve mainly depends on the fluid medium and working environment. According to the different medium and environment, the material selection is also different. Generally speaking, the material selection of valve is divided into three aspects; the sealing surface of valve disc, in which the valve body is generally made of [&hellip;]<\/p>\n","protected":false},"author":290641,"featured_media":5742,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[135,1456],"class_list":["post-5733","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news","tag-gate-valve","tag-gate-valve-materials"],"_links":{"self":[{"href":"https:\/\/www.stvvalves.com\/pt\/wp-json\/wp\/v2\/posts\/5733","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.stvvalves.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.stvvalves.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.stvvalves.com\/pt\/wp-json\/wp\/v2\/users\/290641"}],"replies":[{"embeddable":true,"href":"https:\/\/www.stvvalves.com\/pt\/wp-json\/wp\/v2\/comments?post=5733"}],"version-history":[{"count":7,"href":"https:\/\/www.stvvalves.com\/pt\/wp-json\/wp\/v2\/posts\/5733\/revisions"}],"predecessor-version":[{"id":5743,"href":"https:\/\/www.stvvalves.com\/pt\/wp-json\/wp\/v2\/posts\/5733\/revisions\/5743"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.stvvalves.com\/pt\/wp-json\/wp\/v2\/media\/5742"}],"wp:attachment":[{"href":"https:\/\/www.stvvalves.com\/pt\/wp-json\/wp\/v2\/media?parent=5733"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.stvvalves.com\/pt\/wp-json\/wp\/v2\/categories?post=5733"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.stvvalves.com\/pt\/wp-json\/wp\/v2\/tags?post=5733"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}