{"id":16425,"date":"2022-06-21T05:08:05","date_gmt":"2022-06-21T05:08:05","guid":{"rendered":"https:\/\/zecovalve.com\/?post_type=product&#038;p=16425"},"modified":"2023-06-07T07:06:40","modified_gmt":"2023-06-07T07:06:40","slug":"8-inch-ball-valve","status":"publish","type":"product","link":"https:\/\/zecovalve.com\/pt\/produto\/8-inch-ball-valve","title":{"rendered":"V\u00e1lvula de esfera de 8 polegadas"},"content":{"rendered":"<p>ZECO Valve \u00e9 um fabricante e fornecedor de v\u00e1lvula de esfera industrial na China desde 1991. Como uma f\u00e1brica l\u00edder e profissional de v\u00e1lvulas de esfera na China com mais de 30 anos de certifica\u00e7\u00e3o API, nossa empresa fabrica projetos de munh\u00e3o industrial e v\u00e1lvula de esfera flutuante, como um, dois e v\u00e1lvulas esfera de tr\u00eas pe\u00e7as com materiais diversos; e tamb\u00e9m v\u00e1lvulas operadas manualmente, incluindo v\u00e1lvulas de esfera operadas por engrenagem.<\/p>\r\n\r\n\r\n\r\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-16510\" src=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/trunnion-mounted-ball-valve-4.jpg\" alt=\"\" width=\"400\" height=\"300\" srcset=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/trunnion-mounted-ball-valve-4.jpg 800w, https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/trunnion-mounted-ball-valve-4-300x225.jpg 300w, https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/trunnion-mounted-ball-valve-4-768x576.jpg 768w, https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/trunnion-mounted-ball-valve-4-600x450.jpg 600w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/figure>\r\n\r\n\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>OBTENHA O PRE\u00c7O DA V\u00c1LVULA DE ESFERA DE 8 POLEGADAS<\/strong><\/a><\/p>\r\n<\/div>\r\n\r\n\r\n<h2 class=\"wp-block-heading\">O que \u00e9 v\u00e1lvula esf\u00e9rica de 8 polegadas?<\/h2>\r\n\r\n\r\n\r\n<p>As v\u00e1lvulas esf\u00e9ricas de 8 polegadas s\u00e3o uma forma de v\u00e1lvula de corte que controla o fluxo de g\u00e1s ou l\u00edquido. Isso pode ser feito usando uma esfera rotativa com furo. Ao girar a bola 90 graus, o g\u00e1s ou l\u00edquido \u00e9 bloqueado ou permitido fluir. Eles s\u00e3o conhecidos por fornecerem veda\u00e7\u00e3o est\u00e1vel mesmo quando n\u00e3o s\u00e3o usados por um per\u00edodo de tempo. Eles tamb\u00e9m apresentam uma vida \u00fatil mais longa. Al\u00e9m disso, possuem melhor resist\u00eancia a contaminantes, tornando-as uma escolha mais popular entre outras v\u00e1lvulas.<\/p>\r\n\r\n\r\n\r\n<p>A v\u00e1lvula esf\u00e9rica ZECO de 8 polegadas tem duas op\u00e7\u00f5es: voc\u00ea pode escolher uma v\u00e1lvula esf\u00e9rica flutuante ou uma v\u00e1lvula esf\u00e9rica montada em munh\u00e3o e pode optar por fundir ou forjar no material. A qualidade da fundi\u00e7\u00e3o da v\u00e1lvula \u00e9 de primordial import\u00e2ncia para a vida \u00fatil do produto, pessoal e seguran\u00e7a ambiental, particularmente em servi\u00e7os de alta temperatura e alta press\u00e3o, j\u00e1 que a v\u00e1lvula serve como um dos equipamentos que cont\u00e9m press\u00e3o em uma tubula\u00e7\u00e3o controlada por processo. Assim, as pe\u00e7as fundidas s\u00e3o sempre certificadas primeiro pelos clientes, exigindo rigorosamente antes que o fabricante da v\u00e1lvula seja pr\u00e9-qualificado e aprovado como fornecedor qualificado.<\/p>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\" id=\"h-dimensions-weight-of-8-inch-ball-valve\">Dimens\u00f5es e peso da v\u00e1lvula esf\u00e9rica de 8 polegadas<\/h2>\r\n\r\n\r\n\r\n<table border=\"=1\" width=\"800\">\r\n<tbody>\r\n<tr>\r\n<td rowspan=\"2\">Press\u00e3o nominal<\/td>\r\n<td style=\"text-align: center;\">Furo<\/td>\r\n<td style=\"text-align: center;\" colspan=\"3\">\u00a0Dimens\u00e3o face a face (em mm)<\/td>\r\n<td style=\"text-align: center;\">Peso<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"text-align: center;\">(em mm)<\/td>\r\n<td style=\"text-align: center;\">RF<\/td>\r\n<td style=\"text-align: center;\">BW<\/td>\r\n<td style=\"text-align: center;\">RTJ<\/td>\r\n<td style=\"text-align: center;\">kg<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>CLASSE 150<\/td>\r\n<td style=\"text-align: center;\">201<\/td>\r\n<td style=\"text-align: center;\">457<\/td>\r\n<td style=\"text-align: center;\">521<\/td>\r\n<td style=\"text-align: center;\">470<\/td>\r\n<td style=\"text-align: center;\">205<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>CLASSE 300<\/td>\r\n<td style=\"text-align: center;\">201<\/td>\r\n<td style=\"text-align: center;\">502<\/td>\r\n<td style=\"text-align: center;\">521<\/td>\r\n<td style=\"text-align: center;\">518<\/td>\r\n<td style=\"text-align: center;\">255<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>CLASSE 600<\/td>\r\n<td style=\"text-align: center;\">201<\/td>\r\n<td style=\"text-align: center;\">660<\/td>\r\n<td style=\"text-align: center;\">660<\/td>\r\n<td style=\"text-align: center;\">664<\/td>\r\n<td style=\"text-align: center;\">390<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>CLASSE 900<\/td>\r\n<td style=\"text-align: center;\">201<\/td>\r\n<td style=\"text-align: center;\">737<\/td>\r\n<td style=\"text-align: center;\">737<\/td>\r\n<td style=\"text-align: center;\">740<\/td>\r\n<td style=\"text-align: center;\">640<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>CLASSE 1500<\/td>\r\n<td style=\"text-align: center;\">192<\/td>\r\n<td style=\"text-align: center;\">832<\/td>\r\n<td style=\"text-align: center;\">832<\/td>\r\n<td style=\"text-align: center;\">841<\/td>\r\n<td style=\"text-align: center;\">870<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>CLASSE 2500<\/td>\r\n<td style=\"text-align: center;\">179<\/td>\r\n<td style=\"text-align: center;\">1022<\/td>\r\n<td style=\"text-align: center;\">1022<\/td>\r\n<td style=\"text-align: center;\">1038<\/td>\r\n<td style=\"text-align: center;\">1017<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">Para que \u00e9 usada a v\u00e1lvula esf\u00e9rica de 8 polegadas?<\/h2>\r\n\r\n\r\n\r\n<p>Quase todas as aplica\u00e7\u00f5es industriais necessitam de prote\u00e7\u00e3o contra vazamentos. Isto \u00e9 particularmente importante para aqueles que exigem mecanismos de fechamento herm\u00e9tico. Tais exemplos s\u00e3o as aplica\u00e7\u00f5es puramente l\u00edquidas ou gasosas, incluindo ind\u00fastrias de g\u00e1s natural, armazenamento de produtos qu\u00edmicos e aquelas que trabalham com fluidos corrosivos. As pastas n\u00e3o funcionam bem para essas v\u00e1lvulas.<\/p>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">Caracter\u00edsticas da v\u00e1lvula esfera de 8 \u2033<\/h2>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li>A v\u00e1lvula de esfera ZECO de 8 polegadas possui um design de al\u00edvio de press\u00e3o de cavidade. Quando a for\u00e7a criada pela press\u00e3o da cavidade \u00e9 menor que a for\u00e7a criada pela press\u00e3o da linha, o contato entre a esfera e o anel da sede \u00e9 garantido para fornecer uma veda\u00e7\u00e3o herm\u00e9tica; Quando a press\u00e3o da cavidade \u00e9 superior \u00e0 for\u00e7a da mola da sede mais a press\u00e3o da linha, a a\u00e7\u00e3o de al\u00edvio autom\u00e1tico permite que a sede da v\u00e1lvula se afaste ligeiramente da superf\u00edcie da esfera. Portanto, qualquer sobrepress\u00e3o dentro da cavidade do corpo \u00e9 descarregada na tubula\u00e7\u00e3o para restaurar o equil\u00edbrio entre a cavidade do corpo e a tubula\u00e7\u00e3o (seja no lado a montante ou a jusante);<\/li>\r\n<li>A v\u00e1lvula esfera ZECO de 8 polegadas possui um projeto de encaixe de inje\u00e7\u00e3o de selante de emerg\u00eancia, permitindo interven\u00e7\u00f5es externas para evitar vazamentos na haste. Na manuten\u00e7\u00e3o, somente atrav\u00e9s do furo de graxa de emerg\u00eancia pode-se colocar a haste da v\u00e1lvula e a sede na estrutura de veda\u00e7\u00e3o para manuten\u00e7\u00e3o de emerg\u00eancia e manuten\u00e7\u00e3o de longo prazo, simples e conveniente;<\/li>\r\n<li>A v\u00e1lvula esf\u00e9rica ZECO de 8 polegadas possui design de haste \u00e0 prova de explos\u00e3o, um recurso de seguran\u00e7a que funciona para garantir a veda\u00e7\u00e3o da haste em todas as press\u00f5es;<\/li>\r\n<li>A v\u00e1lvula esf\u00e9rica ZECO de 8 polegadas tem um projeto de veda\u00e7\u00e3o de backup metal com metal, quando o material prim\u00e1rio da sede resiliente \u00e9 deteriorado pelo fogo, o metal com metal fornece fechamento.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">Material da v\u00e1lvula esf\u00e9rica de 8 polegadas<\/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 A105<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>2<\/td>\r\n<td>Bon\u00e9<\/td>\r\n<td>ASTM A105<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>3<\/td>\r\n<td>Bola<\/td>\r\n<td>ASTM A182 F316<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>4<\/td>\r\n<td>Assento<\/td>\r\n<td>ASTM A182 F316 + PTFE<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>5<\/td>\r\n<td>Caule<\/td>\r\n<td>ASTM A276 316<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>6<\/td>\r\n<td>Dispositivo anti-est\u00e1tico<\/td>\r\n<td>SS316<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>7<\/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>8<\/td>\r\n<td>Parafuso<\/td>\r\n<td>ASTM A193 B7<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>9<\/td>\r\n<td>Porca<\/td>\r\n<td>ASTM A194 2H<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>10<\/td>\r\n<td>O-ring<\/td>\r\n<td>Viton A<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>11<\/td>\r\n<td>Alavanca<\/td>\r\n<td>ASTM A216 WCB<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/figure>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">Fabricante de v\u00e1lvula de esfera na China<\/h2>\r\n\r\n\r\n\r\n<p>As v\u00e1lvulas de esfera s\u00e3o v\u00e1lvulas de um quarto de volta de a\u00e7\u00e3o r\u00e1pida que usam uma esfera rotativa para transferir o fluxo de meio atrav\u00e9s de um sistema. Gra\u00e7as ao seu recurso de fechamento herm\u00e9tico, eles est\u00e3o ganhando import\u00e2ncia em v\u00e1rios setores. Eles s\u00e3o usados nas ind\u00fastrias de petr\u00f3leo e g\u00e1s, petroqu\u00edmica, ind\u00fastria de energia, tubula\u00e7\u00f5es e praticamente qualquer aplica\u00e7\u00e3o que exija fechamento de fluidos.<\/p>\r\n\r\n\r\n\r\n<p>As v\u00e1lvulas esfera v\u00eam em diferentes tipos e possuem diferentes complementos, o que pode ser dif\u00edcil de aceitar. Al\u00e9m disso, embora as v\u00e1lvulas esfera sejam usadas principalmente para aplica\u00e7\u00f5es liga\/desliga, alguns tipos se tornaram \u00fateis para aplica\u00e7\u00f5es de estrangulamento. Tudo isso torna dif\u00edcil escolher o tipo de v\u00e1lvula de esfera que melhor se adapta \u00e0 sua aplica\u00e7\u00e3o.<\/p>\r\n\r\n\r\n\r\n<p>Como as v\u00e1lvulas esfera s\u00e3o t\u00e3o complexas, detalhamos todos os itens essenciais para lhe dar uma melhor compreens\u00e3o desse tipo de v\u00e1lvula. Este guia o ajudar\u00e1 a determinar qual v\u00e1lvula esfera fornecer\u00e1 os resultados desej\u00e1veis.<\/p>","protected":false},"excerpt":{"rendered":"<p>ZECO Valve \u00e9 um fabricante e fornecedor de v\u00e1lvula de esfera industrial na China desde 1991. Como v\u00e1lvula de esfera l\u00edder e profissional na China\u2026 <a title=\"V\u00e1lvula de esfera de 8 polegadas\" class=\"read-more\" href=\"https:\/\/zecovalve.com\/pt\/produto\/8-inch-ball-valve\" aria-label=\"Mais em V\u00e1lvula Esfera de 8 polegadas\">Ler mais<\/a><\/p>","protected":false},"featured_media":27860,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_generate-full-width-content":"","kt_blocks_editor_width":""},"product_cat":[2047,2462],"product_tag":[3896,3913],"class_list":["post-16425","product","type-product","status-publish","has-post-thumbnail","hentry","product_cat-ball-valve","product_cat-ball-valve-by-size","product_tag-flanged-ball-valve","product_tag-full-port-ball-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\/8-inch-Ball-Valve-1.jpg",800,600,false],"author_info":[],"comment_info":0,"taxonomy_info":{"product_cat":[{"value":2047,"label":"Ball Valve"},{"value":2462,"label":"Ball Valve By Size"}],"product_tag":[{"value":3896,"label":"Flanged Ball Valve"},{"value":3913,"label":"Full Port Ball Valve"}]},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>8 Inch Ball Valve - China Ball Valve Manufacturer | 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\/8-inch-ball-valve\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"8 Inch Ball Valve - China Ball Valve Manufacturer | ZECO Valve\" \/>\n<meta property=\"og:description\" content=\"ZECO Valve is an industrial ball valve manufacturer &amp; supplier in China since 1991. 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