{"id":16344,"date":"2022-06-20T14:52:15","date_gmt":"2022-06-20T14:52:15","guid":{"rendered":"https:\/\/zecovalve.com\/?post_type=product&#038;p=16344"},"modified":"2023-06-15T12:51:34","modified_gmt":"2023-06-15T12:51:34","slug":"slab-gate-valve","status":"publish","type":"product","link":"https:\/\/zecovalve.com\/pt\/produto\/slab-gate-valve","title":{"rendered":"V\u00e1lvula de gaveta para laje - V\u00e1lvula de gaveta atrav\u00e9s de conduta"},"content":{"rendered":"<p>As v\u00e1lvulas gaveta de laje atrav\u00e9s de condu\u00edte s\u00e3o projetadas e fabricadas de acordo com os padr\u00f5es API 6D e API 6A e especificamente para servi\u00e7os on-off. Esta v\u00e1lvula \u00e9 adequada para suportar todos os tipos de fluidos de processo, sob condi\u00e7\u00f5es de alta press\u00e3o e temperatura.<\/p>\r\n\r\n\r\n\r\n<figure class=\"wp-block-image alignnone size-medium wp-image-16345\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"225\" class=\"wp-image-16345\" src=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/slab-gate-valve-300x225.jpg\" alt=\"V\u00e1lvula de porta de laje\" srcset=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/slab-gate-valve-300x225.jpg 300w, https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/slab-gate-valve-768x576.jpg 768w, https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/slab-gate-valve-600x450.jpg 600w, https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/slab-gate-valve.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 LAJE<\/strong><\/a><\/p>\r\n<p>&nbsp;<\/p>\r\n<\/div>\r\n\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\" id=\"h-what-is-a-slab-gate-valve\">O que \u00e9 uma v\u00e1lvula gaveta de laje?<\/h2>\r\n\r\n\r\n\r\n<p>As v\u00e1lvulas de gaveta de laje s\u00e3o v\u00e1lvulas de passagem completa, o que significa que o orif\u00edcio na comporta \u00e9 exatamente do mesmo tamanho do tubo. Este projeto de porta completa proporciona fluxo total atrav\u00e9s da v\u00e1lvula e baixa queda de press\u00e3o, al\u00e9m de permitir <a href=\"https:\/\/zecovalve.com\/pt\/understanding-pigging-and-pig-valves-in-industrial-pipelines-zeco-valve-blog.html\/\" data-internallinksmanager029f6b8e52c=\"12\" title=\"pigmenta\u00e7\u00e3o\" target=\"_blank\" rel=\"noopener\">pigmenta\u00e7\u00e3o<\/a> a linha quando necess\u00e1rio.<\/p>\r\n\r\n\r\n\r\n<p>As caracter\u00edsticas de fluxo da v\u00e1lvula gaveta de laje ZECO com furos de desvio s\u00e3o as mesmas da tubula\u00e7\u00e3o do mesmo di\u00e2metro. Em compara\u00e7\u00e3o com os outros dois tipos de v\u00e1lvulas, as caracter\u00edsticas de fluxo da v\u00e1lvula gaveta tipo placa de ajuste sem furo de desvio s\u00e3o melhores do que aquelas do tipo comum sem furo de desvio. Portanto, em dutos longos, g\u00e1s natural e ind\u00fastria de petr\u00f3leo, a v\u00e1lvula de gaveta com orif\u00edcio de desvio \u00e9 particularmente amplamente utilizada. O ZECO Valve Group, um conhecido fabricante de v\u00e1lvulas de gaveta na China, pode fornecer v\u00e1lvulas de gaveta em grande escala, de excelente qualidade e de apar\u00eancia requintada, em total conformidade com os padr\u00f5es API 6D.<\/p>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">Especifica\u00e7\u00f5es das v\u00e1lvulas gaveta de laje<\/h2>\r\n\r\n\r\n\r\n<figure class=\"wp-block-table is-style-stripes\">\r\n<table>\r\n<tbody>\r\n<tr>\r\n<th>Tamanho<\/th>\r\n<td>NPS 2\u2033~48\u2033<\/td>\r\n<\/tr>\r\n<tr>\r\n<th>Press\u00e3o nominal<\/th>\r\n<td>Classe 150~1500<\/td>\r\n<\/tr>\r\n<tr>\r\n<th>Material<\/th>\r\n<td>WCB,LCB,CF8,CF8M,CF3,CF3M<\/td>\r\n<\/tr>\r\n<tr>\r\n<th>Padr\u00e3o de design e fabrica\u00e7\u00e3o<\/th>\r\n<td>ASME B16.34, API 6D<\/td>\r\n<\/tr>\r\n<tr>\r\n<th>Cara a cara<\/th>\r\n<td>ASME B 16.10, BSEN 588, API 6D<\/td>\r\n<\/tr>\r\n<tr>\r\n<th>Liga\u00e7\u00e3o final<\/th>\r\n<td>ASME B16.5, ASME B16.47, BSEN 1092<\/td>\r\n<\/tr>\r\n<tr>\r\n<th>Padr\u00e3o de teste<\/th>\r\n<td>ISO 5208, API 6D, BSEN 12266<\/td>\r\n<\/tr>\r\n<tr>\r\n<th>Tipo de Estrutura<\/th>\r\n<td>Port\u00e3o simples com\/sem condu\u00edte, Port\u00e3o duplo com\/sem condu\u00edte<\/td>\r\n<\/tr>\r\n<tr>\r\n<th>M\u00e9todo de opera\u00e7\u00e3o<\/th>\r\n<td>Manual, engrenagem helicoidal, atuador el\u00e9trico, atuador pneum\u00e1tico<\/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\">Veda\u00e7\u00e3o de V\u00e1lvulas de Gaveta de Laje<\/h2>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li>Veda\u00e7\u00e3o Corporal\r\n<ul>\r\n<li>Todas as juntas do corpo prim\u00e1rio s\u00e3o juntas metal-metal, enroladas em espiral ou tipo anel.<\/li>\r\n<li>Dispon\u00edvel mediante solicita\u00e7\u00e3o:\r\n<ul>\r\n<li>Junta macia secund\u00e1ria para introduzir uma barreira redundante<\/li>\r\n<li>Detector de porta de vazamento<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li>Veda\u00e7\u00e3o da Haste\r\n<ul>\r\n<li>PTFE Tipo Chevron: An\u00e9is em V m\u00faltiplos termopl\u00e1sticos, com ou sem anel lanterna.<\/li>\r\n<li>Dispon\u00edvel mediante solicita\u00e7\u00e3o:\r\n<ul>\r\n<li>Veda\u00e7\u00e3o de anel de veda\u00e7\u00e3o<\/li>\r\n<li>Veda\u00e7\u00e3o de grafite<\/li>\r\n<li>Veda\u00e7\u00f5es da haste metal-metal, al\u00e9m das veda\u00e7\u00f5es termopl\u00e1sticas padr\u00e3o<\/li>\r\n<li>Capacidade de inje\u00e7\u00e3o de selante (opcional)<\/li>\r\n<li>Junta de haste elastom\u00e9rica redundante (AED)<\/li>\r\n<li>Detector de porta de vazamento<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li>Veda\u00e7\u00e3o do assento\r\n<ul>\r\n<li>A constru\u00e7\u00e3o da v\u00e1lvula gaveta ZECO inclui sedes flutuantes energizadas por mola, que fornecem assento positivo em ambos os lados, independentemente das condi\u00e7\u00f5es de press\u00e3o a montante ou a jusante. As veda\u00e7\u00f5es da sede s\u00e3o energizadas por mola para garantir a veda\u00e7\u00e3o sob condi\u00e7\u00f5es de baixa press\u00e3o. Quando a press\u00e3o da linha aumenta, a press\u00e3o de contato entre a sede e a comporta aumenta de acordo para fornecer um desligamento positivo. Como ambas as sedes s\u00e3o energizadas individualmente pela press\u00e3o diferencial na pr\u00f3pria sede, a cavidade da v\u00e1lvula pode ser ventilada quando o lado a montante e\/ou a jusante estiver pressurizado. A v\u00e1lvula apresenta desempenho id\u00eantico, independentemente da dire\u00e7\u00e3o do fluxo e\/ou orienta\u00e7\u00e3o da press\u00e3o diferencial.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\" id=\"h-features-of-slab-gate-valve\">Caracter\u00edsticas das v\u00e1lvulas de gaveta de laje<\/h2>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li>As v\u00e1lvulas gaveta de laje s\u00e3o compostas por uma \u00fanica unidade de gaveta que sobe e desce entre dois an\u00e9is de sede. Devido ao fato da comporta deslizar entre as sedes, as v\u00e1lvulas gaveta tipo laje s\u00e3o adequadas para o meio com part\u00edculas em suspens\u00e3o. A superf\u00edcie de veda\u00e7\u00e3o das v\u00e1lvulas gaveta de laje \u00e9 praticamente autoposicionada e n\u00e3o \u00e9 danificada pela deforma\u00e7\u00e3o t\u00e9rmica do corpo. Mesmo que a v\u00e1lvula seja fechada a frio, o alongamento a quente da haste n\u00e3o sobrecarrega a superf\u00edcie de veda\u00e7\u00e3o, e as v\u00e1lvulas de gaveta sem furos de desvio n\u00e3o requerem alta precis\u00e3o na posi\u00e7\u00e3o de fechamento da comporta. Quando a v\u00e1lvula est\u00e1 totalmente aberta, o furo \u00e9 suave e linear, e o coeficiente de resist\u00eancia ao fluxo \u00e9 m\u00ednimo, peg\u00e1vel e sem perda de press\u00e3o.<\/li>\r\n<li>A v\u00e1lvula gaveta de laje ZECO \u00e9 equipada com um orif\u00edcio de inje\u00e7\u00e3o de graxa, em caso de danos na superf\u00edcie de veda\u00e7\u00e3o, o pessoal de manuten\u00e7\u00e3o pode facilmente injetar selante atrav\u00e9s do orif\u00edcio de inje\u00e7\u00e3o de graxa para manter a superf\u00edcie de veda\u00e7\u00e3o e garantir o desempenho normal de comuta\u00e7\u00e3o da v\u00e1lvula ou no caso de manuten\u00e7\u00e3o, forne\u00e7a selante de inje\u00e7\u00e3o para lubrificar a superf\u00edcie de veda\u00e7\u00e3o para prolongar a vida \u00fatil normal da v\u00e1lvula;<\/li>\r\n<li>Quando a v\u00e1lvula de gaveta ZECO est\u00e1 totalmente aberta, o canal \u00e9 a tubula\u00e7\u00e3o reta, o coeficiente de resist\u00eancia ao fluxo e a perda de press\u00e3o s\u00e3o muito pequenos e quase insignificantes, o que pode reduzir o custo de opera\u00e7\u00e3o da tubula\u00e7\u00e3o para os usu\u00e1rios, e as p\u00edlulas podem ser usadas para limpeza quando limpeza do gasoduto;<\/li>\r\n<li>A v\u00e1lvula gaveta ZECO est\u00e1 equipada com um dispositivo de prote\u00e7\u00e3o autom\u00e1tica de al\u00edvio de press\u00e3o, que pode aliviar automaticamente a press\u00e3o em caso de sobrepress\u00e3o na c\u00e2mara intermedi\u00e1ria do corpo da v\u00e1lvula para proteger o uso seguro da v\u00e1lvula;<\/li>\r\n<li>A estrutura de sede flutuante da v\u00e1lvula gaveta de laje ZECO garante que a v\u00e1lvula possa ser vedada em ambas as dire\u00e7\u00f5es.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">Desvantagens da v\u00e1lvula gaveta de laje<\/h2>\r\n\r\n\r\n\r\n<p>As v\u00e1lvulas de gaveta de laje tamb\u00e9m t\u00eam algumas desvantagens: quando a press\u00e3o m\u00e9dia \u00e9 baixa, a superf\u00edcie de veda\u00e7\u00e3o met\u00e1lica pode n\u00e3o vedar completamente; em vez disso, quando a press\u00e3o m\u00e9dia \u00e9 muito alta, a abertura e o fechamento de alta frequ\u00eancia podem causar desgaste excessivo da superf\u00edcie de veda\u00e7\u00e3o quando n\u00e3o h\u00e1 meio ou lubrifica\u00e7\u00e3o. Outra desvantagem \u00e9 que uma comporta circular que se move horizontalmente em um canal circular controla o fluxo efetivamente apenas quando est\u00e1 em 50% da posi\u00e7\u00e3o fechada da v\u00e1lvula.<\/p>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\" id=\"h-material-of-slab-gate-valve\">Material das v\u00e1lvulas de passagem de condu\u00edte<\/h2>\r\n\r\n\r\n\r\n<figure class=\"wp-block-table is-style-regular\">\r\n<table>\r\n<tbody>\r\n<tr>\r\n<td>Anel de veda\u00e7\u00e3o da haste do disco da tampa do corpo, material da superf\u00edcie de veda\u00e7\u00e3o, anel em O, porca do parafuso, porca da haste da mola, embalagem da gaxeta<\/td>\r\n<td>WCB\/LCB\/CF8M\/CF8\/CF3M\/CF3\/WC6\/WC9\/CD3MN WCB\/LCB\/CF8M\/CF8\/CF3M\/CF3\/WC6\/WC9\/CD3MN A105+ENP\/LF2+ENP\/F304\/F316\/F304L\/F316L\/ F51 A105+ENP\/LF2+ENP\/F304\/F316\/F304L\/F316L\/F51 F6a\/F304\/F316\/F304L\/F316L\/F51 PTFE\/NYLON\/PEEK\/TEFLON 1 ~ 12 Material de acabamento VITON\/NBR B7M\/B8M\/L7M\/ B16M 2HM\/8M\/7M\/4M 17-4PH\/Inconel C95200\/D2\/A536 Grafite flex\u00edvel+304\/grafite flex\u00edvel+316 grafite flex\u00edvel\/PTFE<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/figure>","protected":false},"excerpt":{"rendered":"<p>As v\u00e1lvulas gaveta de laje atrav\u00e9s de condu\u00edte s\u00e3o projetadas e fabricadas de acordo com os padr\u00f5es API 6D e API 6A e especificamente para ligar-desligar\u2026 <a title=\"V\u00e1lvula gaveta de laje \u2013 V\u00e1lvula gaveta atrav\u00e9s de condu\u00edte\" class=\"read-more\" href=\"https:\/\/zecovalve.com\/pt\/produto\/slab-gate-valve\" aria-label=\"Mais em V\u00e1lvula Gaveta de Laje \u2013 V\u00e1lvula Gaveta Atrav\u00e9s de Condu\u00edte\">Ler mais<\/a><\/p>","protected":false},"featured_media":27887,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_generate-full-width-content":"","kt_blocks_editor_width":""},"product_cat":[2052,2456],"product_tag":[2798],"class_list":["post-16344","product","type-product","status-publish","has-post-thumbnail","hentry","product_cat-gate-valve","product_cat-gate-valve-by-form","product_tag-osy-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\/Slab-Gate-Valve-1.jpg",800,600,false],"author_info":[],"comment_info":0,"taxonomy_info":{"product_cat":[{"value":2052,"label":"Gate Valve"},{"value":2456,"label":"Gate Valve By Form"}],"product_tag":[{"value":2798,"label":"OS&amp;Y Valve"}]},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Slab Gate Valve - Through Conduit Gate 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\/slab-gate-valve\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Slab Gate Valve - Through Conduit Gate Valve | ZECO Valve\" \/>\n<meta property=\"og:description\" content=\"Slab through conduit gate valves are designed and manufactured in accordance with API 6D and API 6A standards and specifically for on-off ... 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