{"id":16188,"date":"2022-06-19T15:33:39","date_gmt":"2022-06-19T15:33:39","guid":{"rendered":"https:\/\/zecovalve.com\/?post_type=product&#038;p=16188"},"modified":"2023-06-16T13:39:22","modified_gmt":"2023-06-16T13:39:22","slug":"high-temperature-check-valve","status":"publish","type":"product","link":"https:\/\/zecovalve.com\/pt\/produto\/high-temperature-check-valve","title":{"rendered":"V\u00e1lvula de reten\u00e7\u00e3o de alta temperatura"},"content":{"rendered":"<figure class=\"wp-block-image alignnone size-medium wp-image-16189\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-27914 size-medium\" src=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/High-Temperature-Check-Valve-1-300x225.jpg\" alt=\"V\u00e1lvula de reten\u00e7\u00e3o de alta temperatura\" width=\"300\" height=\"225\" srcset=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/High-Temperature-Check-Valve-1-300x225.jpg 300w, https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/High-Temperature-Check-Valve-1-768x576.jpg 768w, https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/High-Temperature-Check-Valve-1-600x450.jpg 600w, https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/High-Temperature-Check-Valve-1.jpg 800w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/figure>\r\n\r\n\r\n<div class=\"gb-button-wrapper gb-button-wrapper-6d8495a3\">\r\n\r\n\r\n<p><a class=\"gb-button gb-button-3d442e11 gb-button-text\" href=\"mailto:commercial@zecovalve.com\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>OBTER PRE\u00c7O DA V\u00c1LVULA DE RETEN\u00c7\u00c3O DE ALTA TEMPERATURA<\/strong><\/a><\/p>\r\n<\/div>\r\n\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\" id=\"h-what-is-a-high-temperature-valve\">O que \u00e9 uma v\u00e1lvula de alta temperatura?<\/h2>\r\n\r\n\r\n\r\n<p>Ao escolher o projeto da v\u00e1lvula e a sele\u00e7\u00e3o do material, a temperatura de trabalho da v\u00e1lvula deve ser compat\u00edvel com o corpo da v\u00e1lvula e os materiais dos internos. As v\u00e1lvulas de alta temperatura s\u00e3o encontradas nas ind\u00fastrias petroqu\u00edmica, qu\u00edmica, de fertilizantes, de energia el\u00e9trica e metal\u00fargica. As propriedades dos materiais n\u00e3o ferrosos, a\u00e7o carbono e ligas s\u00e3o especificadas de acordo com os limites do material. O bronze, por exemplo, n\u00e3o pode ultrapassar 550F graus, portanto n\u00e3o \u00e9 considerado alta temperatura. As classes de alta temperatura s\u00e3o:<\/p>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\">Temperatura subalta<\/h3>\r\n\r\n\r\n\r\n<p>V\u00e1lvulas de temperatura sub-alta referem-se \u00e0 temperatura de trabalho da v\u00e1lvula entre 625f e 800f graus.<\/p>\r\n\r\n\r\n\r\n<p>WCB, WCC, A105, WC6 e WC9 s\u00e3o usados principalmente para servi\u00e7os corrosivos nesta faixa: C5, CF8, CF3, CF8M e CF3M s\u00e3o usados<\/p>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\">N\u00edvel de alta temperatura I<\/h3>\r\n\r\n\r\n\r\n<p>O n\u00edvel I de alta temperatura \u00e9 a temperatura de trabalho da v\u00e1lvula na faixa de 800f e 1025f graus.<\/p>\r\n\r\n\r\n\r\n<p>Os materiais dentro desta faixa s\u00e3o baseados no a\u00e7o inoxid\u00e1vel CF8 da fam\u00edlia ASTM A351.<\/p>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\">N\u00edvel II e N\u00edvel III de alta temperatura<\/h3>\r\n\r\n\r\n\r\n<p>Os n\u00edveis II e III de alta temperatura est\u00e3o dentro das temperaturas de trabalho da v\u00e1lvula na faixa de 1025f e 1350 graus.<\/p>\r\n\r\n\r\n\r\n<p>Os materiais dentro desta faixa s\u00e3o baseados no a\u00e7o inoxid\u00e1vel CF8 da fam\u00edlia ASTM A351.<\/p>\r\n\r\n\r\n\r\n<p>Para temperaturas acima de 1350f, a temperatura de trabalho da v\u00e1lvula \u00e9 classificada como Classe IV e Classe V de alta temperatura. Isso requer recomenda\u00e7\u00f5es espec\u00edficas da aplica\u00e7\u00e3o e n\u00e3o pode ser citada rotineiramente, pois o n\u00edvel de press\u00e3o-temperatura pode causar deforma\u00e7\u00e3o pl\u00e1stica.<\/p>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\">Matriz de Press\u00e3o\/Temperatura<\/h3>\r\n\r\n\r\n\r\n<p>V\u00e1lvulas de a\u00e7o fundido ou a\u00e7o forjado podem ser feitas de a\u00e7o carbono ou ligas de a\u00e7o inoxid\u00e1vel e os internos s\u00e3o capazes de suportar temperaturas de 1.000 graus Celsius em at\u00e9 10.000 psi. Essas v\u00e1lvulas s\u00e3o feitas com sedes totalmente revestidas de metal com metal ou v\u00e1rias ligas de cromo-molibd\u00eanio e materiais ex\u00f3ticos como Monel 400, Hastelloy C276, Inconel 600 e Inconel 625.<\/p>\r\n\r\n\r\n\r\n<p>Como as v\u00e1lvulas s\u00e3o especificadas para press\u00e3o-temperatura?<\/p>\r\n\r\n\r\n\r\n<p>A tabela de press\u00e3o e temperatura ASME B16.34 agrupa materiais por press\u00e3o e temperatura para aplica\u00e7\u00e3o recomendada.<\/p>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">Materiais de grupos de alta temperatura<\/h2>\r\n\r\n\r\n\r\n<p>Por exemplo, v\u00e1lvulas gaveta, v\u00e1lvulas globo, v\u00e1lvulas de reten\u00e7\u00e3o e v\u00e1lvulas de reten\u00e7\u00e3o t\u00eam combina\u00e7\u00f5es de materiais recomendadas com base na Tabela de Press\u00e3o e Temperatura ASME B16.34. SA 182 F11, SA 182 F22, SA 182 F316, ASTM A351 CF8M, A 351 CN7M, C-276, A217 WC6, A217 WC9, A216 WCB, A352 LCB, A352 LCC, A352 LC2, A352 LC3, A217 WC1, A217 WC4 , A217 WC6, A217 WC9, A 217 C5 possuem diferentes capacidades de press\u00e3o, temperatura e resist\u00eancia \u00e0 corros\u00e3o.<\/p>\r\n\r\n\r\n\r\n<p>Um fator adicional que determina as limita\u00e7\u00f5es da v\u00e1lvula s\u00e3o os materiais de gaxeta e gaxeta, que podem ser feitos de Grafoil ou Grafite para temperaturas mais altas, Teflon para temperaturas abaixo de 500F graus e foles Monel de duas e tr\u00eas camadas para altas temperaturas.<\/p>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\" id=\"h-features-of-high-temperature-check-valve\">Caracter\u00edsticas da v\u00e1lvula de reten\u00e7\u00e3o de alta temperatura<\/h2>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li>Para temperaturas extremamente altas ou aplica\u00e7\u00f5es criog\u00eanicas, as v\u00e1lvulas podem ser equipadas com extens\u00f5es para altas temperaturas.<\/li>\r\n<li>A gaxeta \u00e9 assim removida do corpo da v\u00e1lvula de alta ou baixa temperatura.<\/li>\r\n<li>Corpo da v\u00e1lvula em a\u00e7o inoxid\u00e1vel AISI 316Ti.<\/li>\r\n<li>A haste de duas pe\u00e7as com haste inferior n\u00e3o rotativa aumenta a vida \u00fatil da gaxeta e da sede.<\/li>\r\n<li>Al\u00e7a grande para f\u00e1cil opera\u00e7\u00e3o em press\u00f5es mais altas. Torque m\u00ednimo necess\u00e1rio e sem problemas de folga.<\/li>\r\n<li>\u00c0 prova de vazamentos com gases e l\u00edquidos.<\/li>\r\n<li>Anel de veda\u00e7\u00e3o em PTFE inerte ou prata.<\/li>\r\n<li>Orif\u00edcios de drenagem de seguran\u00e7a nas conex\u00f5es da tubula\u00e7\u00e3o e na embalagem.<\/li>\r\n<li>Conex\u00f5es para tubos SITEC HP em polegadas e m\u00e9tricas.<\/li>\r\n<li>Temperatura de trabalho do fluido \u2013200\u00b0C (\u2013300\u00b0F) a +300\u00b0C (570\u00b0F). Com camisa de resfriamento na extens\u00e3o de alta temperatura at\u00e9 +450\u00b0C.<\/li>\r\n<li>Todas as nossas v\u00e1lvulas est\u00e3o equipadas com porcas e colares.<\/li>\r\n<li>Todas as v\u00e1lvulas s\u00e3o testadas na f\u00e1brica e est\u00e3o dispon\u00edveis em curto prazo.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\" id=\"h-material-of-high-temperature-check-valve\">Material da v\u00e1lvula de reten\u00e7\u00e3o de alta temperatura<\/h2>\r\n\r\n\r\n\r\n<figure class=\"wp-block-table\">\r\n<table>\r\n<tbody>\r\n<tr>\r\n<td>N\u00e3o<\/td>\r\n<td>Parte<\/td>\r\n<td>Material<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>1<\/td>\r\n<td>Corpo<\/td>\r\n<td>ASTM A217 WC9<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>2<\/td>\r\n<td>Assento<\/td>\r\n<td>ASTM A182 F22+STL<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>3<\/td>\r\n<td>Disco<\/td>\r\n<td>ASTM A217 WC9+STL<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>4<\/td>\r\n<td>Bra\u00e7o<\/td>\r\n<td>ASTM A217 WC9<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>5<\/td>\r\n<td>Porca<\/td>\r\n<td>ASTM A1944<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>6<\/td>\r\n<td>Pino<\/td>\r\n<td>ASTM A182 F6a<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>7<\/td>\r\n<td>Conector<\/td>\r\n<td>ASTM A217 WC9<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>8<\/td>\r\n<td>Junta de veda\u00e7\u00e3o<\/td>\r\n<td>Grafite + SS316<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>9<\/td>\r\n<td>Bon\u00e9<\/td>\r\n<td>ASTM A217 WC9<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>10<\/td>\r\n<td>Parafuso<\/td>\r\n<td>ASTM A193 B16<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/figure>","protected":false},"excerpt":{"rendered":"<p>O que \u00e9 uma v\u00e1lvula de alta temperatura? Ao escolher um projeto de v\u00e1lvula e sele\u00e7\u00e3o de material, a temperatura de trabalho da v\u00e1lvula deve ser\u2026 <a title=\"V\u00e1lvula de reten\u00e7\u00e3o de alta temperatura\" class=\"read-more\" href=\"https:\/\/zecovalve.com\/pt\/produto\/high-temperature-check-valve\" aria-label=\"Mais em V\u00e1lvula de reten\u00e7\u00e3o de alta temperatura\">Ler mais<\/a><\/p>","protected":false},"featured_media":27914,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_generate-full-width-content":"","kt_blocks_editor_width":""},"product_cat":[2455,2067],"product_tag":[2657,2661,2660],"class_list":["post-16188","product","type-product","status-publish","has-post-thumbnail","hentry","product_cat-check-valve","product_cat-swing-check-valve","product_tag-non-return-valve","product_tag-nrv-valve","product_tag-swing-check-valve","sales-flash-overlay","woocommerce-text-align-center","woocommerce-image-align-center","do-quantity-buttons"],"featured_image_src_large":["https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/High-Temperature-Check-Valve-1.jpg",800,600,false],"author_info":[],"comment_info":0,"taxonomy_info":{"product_cat":[{"value":2455,"label":"Check Valve"},{"value":2067,"label":"Swing Check Valve"}],"product_tag":[{"value":2657,"label":"Non Return Valve"},{"value":2661,"label":"NRV Valve"},{"value":2660,"label":"Swing Check Valve"}]},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>High Temperature Check Valve - High Temperature Valve | ZECO Valve<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/zecovalve.com\/pt\/produto\/high-temperature-check-valve\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"High Temperature Check Valve - High Temperature Valve | ZECO Valve\" \/>\n<meta property=\"og:description\" content=\"What is a High Temperature Valve? 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