{"id":507,"date":"2026-04-16T08:41:08","date_gmt":"2026-04-16T00:41:08","guid":{"rendered":"https:\/\/www.yayevalve.com\/?post_type=product&#038;p=507"},"modified":"2026-04-16T09:36:25","modified_gmt":"2026-04-16T01:36:25","slug":"gb-casting-ductile-iron-ltd-butterfly-valve","status":"publish","type":"product","link":"https:\/\/www.yayevalve.com\/pt\/product\/gb-casting-ductile-iron-ltd-butterfly-valve\/","title":{"rendered":"V\u00e1lvula Borboleta de Ferro Fundido Nodular LTDA"},"content":{"rendered":"<h2>Caracter\u00edsticas Estruturais de<\/h2>\n<ul>\n<li data-start=\"158\" data-end=\"313\">\n<p data-start=\"160\" data-end=\"313\">O corpo \u00e9 fundido em <b data-path-to-node=\"10,1,0\" data-index-in-node=\"31\">ferro fundido nodular de alta resist\u00eancia QT450-10<\/b>, oferecendo alongamento e resist\u00eancia \u00e0 tra\u00e7\u00e3o muito superiores ao ferro fundido cinzento. Isso permite que a v\u00e1lvula absorva tens\u00f5es durante surtos de press\u00e3o ou golpe de ar\u00edete em <b data-path-to-node=\"10,1,0\" data-index-in-node=\"217\">redes de \u00e1gua municipais<\/b>, prevenindo fraturas fr\u00e1geis e garantindo a integridade estrutural da tubula\u00e7\u00e3o.<\/p>\n<\/li>\n<li data-start=\"315\" data-end=\"481\">\n<p data-start=\"317\" data-end=\"481\">The top-mounted <b data-path-to-node=\"12,1,0\" data-index-in-node=\"25\">atuador el\u00e9trico multi-volta<\/b> montado no topo integra m\u00f3dulos de controle avan\u00e7ados que suportam comandos remotos de PLC ou DCS. Os operadores podem monitorar precisamente a posi\u00e7\u00e3o da v\u00e1lvula a partir de uma sala de controle central sem visitas ao local, tornando-a perfeita para <b data-path-to-node=\"12,1,0\" data-index-in-node=\"251\">esta\u00e7\u00f5es de bombeamento n\u00e3o tripuladas<\/b> ou <b data-path-to-node=\"12,1,0\" data-index-in-node=\"289\">automa\u00e7\u00e3o de processos industriais<\/b>.<\/p>\n<\/li>\n<li data-start=\"483\" data-end=\"649\">\n<p data-start=\"485\" data-end=\"649\">em larga escala. A robusta estrutura de cunha gaveta gera forte press\u00e3o de veda\u00e7\u00e3o mec\u00e2nica durante o fechamento. Combinada com a alta sa\u00edda de torque do atuador, a v\u00e1lvula atinge fechamento sem vazamentos mesmo sob <b data-path-to-node=\"14,1,0\" data-index-in-node=\"203\">alta press\u00e3o diferencial<\/b>, atuando como uma v\u00e1lvula de isolamento principal altamente confi\u00e1vel para <b data-path-to-node=\"14,1,0\" data-index-in-node=\"284\">gasodutos de transporte de longa dist\u00e2ncia<\/b>.<\/p>\n<\/li>\n<li data-start=\"651\" data-end=\"843\">\n<p data-start=\"978\" data-end=\"1166\">Ambas as superf\u00edcies interna e externa s\u00e3o tratadas com <b data-path-to-node=\"16,1,0\" data-index-in-node=\"62\">revestimento em p\u00f3 ep\u00f3xi eletrost\u00e1tico<\/b>, criando uma barreira protetora densa. Isso evita a corros\u00e3o pelo solo ou pela m\u00eddia e atende aos <b data-path-to-node=\"16,1,0\" data-index-in-node=\"188\">padr\u00f5es de higiene para \u00e1gua pot\u00e1vel<\/b>, evitando contamina\u00e7\u00e3o secund\u00e1ria e estendendo a vida \u00fatil da v\u00e1lvula em ambientes enterrados hostis.<\/p>\n<\/li>\n<li data-start=\"651\" data-end=\"843\">\n<p data-start=\"978\" data-end=\"1166\">O atuador possui um <b data-path-to-node=\"18,1,0\" data-index-in-node=\"46\">volante manual independente e alavanca de desacoplamento<\/b>, permitindo que os t\u00e9cnicos alternem rapidamente para o modo manual durante falhas de energia ou comissionamento. O volante \u00e9 f\u00e1cil de operar, garantindo que a v\u00e1lvula possa ser aberta ou fechada com seguran\u00e7a em emerg\u00eancias extremas, fornecendo uma barreira de seguran\u00e7a final para <b data-path-to-node=\"18,1,0\" data-index-in-node=\"322\">sistemas de controle de enchentes<\/b>.<\/p>\n<\/li>\n<li data-start=\"651\" data-end=\"843\"><\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-509 size-full\" src=\"https:\/\/www.yayevalve.com\/wp-content\/uploads\/2026\/04\/566.png\" alt=\"\" width=\"755\" height=\"712\" srcset=\"https:\/\/www.yayevalve.com\/wp-content\/uploads\/2026\/04\/566.png 755w, https:\/\/www.yayevalve.com\/wp-content\/uploads\/2026\/04\/566-500x472.png 500w, https:\/\/www.yayevalve.com\/wp-content\/uploads\/2026\/04\/566-300x283.png 300w, https:\/\/www.yayevalve.com\/wp-content\/uploads\/2026\/04\/566-13x12.png 13w, https:\/\/www.yayevalve.com\/wp-content\/uploads\/2026\/04\/566-80x75.png 80w, https:\/\/www.yayevalve.com\/wp-content\/uploads\/2026\/04\/566-480x453.png 480w\" sizes=\"auto, (max-width:767px) 480px, 755px\" \/><\/p>\n<h2>Material dos Componentes Principais<\/h2>\n<table border=\"1\" cellspacing=\"0\" cellpadding=\"8\">\n<thead>\n<tr>\n<th>N\u00c3O<\/th>\n<th>Pe\u00e7a<\/th>\n<th>Materiais<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>6<\/td>\n<td>Caixa de Engrenagens<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>5<\/td>\n<td>Bucha<\/td>\n<td>Lat\u00e3o<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>Disco<\/td>\n<td>QT450-10<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>Haste<\/td>\n<td>2Cr13<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>Sede<\/td>\n<td>EPDM<\/td>\n<\/tr>\n<tr>\n<td>1<\/td>\n<td>Corpo<\/td>\n<td>QT450-10<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Dimens\u00f5es da Conex\u00e3o Principal Classe 150LB<\/h2>\n<table border=\"1\" cellspacing=\"0\" cellpadding=\"8\">\n<thead>\n<tr>\n<th>DN<\/th>\n<th>L<\/th>\n<th>K<\/th>\n<th>n-M<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>50<\/td>\n<td>43<\/td>\n<td>125<\/td>\n<td>4-M16<\/td>\n<\/tr>\n<tr>\n<td>65<\/td>\n<td>46<\/td>\n<td>145<\/td>\n<td>4-M16<\/td>\n<\/tr>\n<tr>\n<td>80<\/td>\n<td>46<\/td>\n<td>160<\/td>\n<td>8-M16<\/td>\n<\/tr>\n<tr>\n<td>100<\/td>\n<td>52<\/td>\n<td>180<\/td>\n<td>8-M16<\/td>\n<\/tr>\n<tr>\n<td>125<\/td>\n<td>56<\/td>\n<td>210<\/td>\n<td>8-M16<\/td>\n<\/tr>\n<tr>\n<td>150<\/td>\n<td>56<\/td>\n<td>240<\/td>\n<td>8-M20<\/td>\n<\/tr>\n<tr>\n<td>200<\/td>\n<td>60<\/td>\n<td>295<\/td>\n<td>12-M20<\/td>\n<\/tr>\n<tr>\n<td>250<\/td>\n<td>68<\/td>\n<td>355<\/td>\n<td>12-M24<\/td>\n<\/tr>\n<tr>\n<td>300<\/td>\n<td>78<\/td>\n<td>410<\/td>\n<td>12-M24<\/td>\n<\/tr>\n<tr>\n<td>350<\/td>\n<td>78<\/td>\n<td>470<\/td>\n<td>16-M24<\/td>\n<\/tr>\n<tr>\n<td>400<\/td>\n<td>102<\/td>\n<td>525<\/td>\n<td>16-M27<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Porqu\u00ea escolher YAYE<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-67 size-full\" src=\"https:\/\/yayevalve.com\/wp-content\/uploads\/2025\/12\/YIYE.webp\" alt=\"\" width=\"2076\" height=\"1253\" srcset=\"https:\/\/www.yayevalve.com\/wp-content\/uploads\/2025\/12\/YIYE.webp 2076w, https:\/\/www.yayevalve.com\/wp-content\/uploads\/2025\/12\/YIYE-800x483.webp 800w, https:\/\/www.yayevalve.com\/wp-content\/uploads\/2025\/12\/YIYE-500x302.webp 500w, https:\/\/www.yayevalve.com\/wp-content\/uploads\/2025\/12\/YIYE-1200x724.webp 1200w, https:\/\/www.yayevalve.com\/wp-content\/uploads\/2025\/12\/YIYE-300x181.webp 300w, https:\/\/www.yayevalve.com\/wp-content\/uploads\/2025\/12\/YIYE-768x464.webp 768w, https:\/\/www.yayevalve.com\/wp-content\/uploads\/2025\/12\/YIYE-1536x927.webp 1536w, https:\/\/www.yayevalve.com\/wp-content\/uploads\/2025\/12\/YIYE-2048x1236.webp 2048w, https:\/\/www.yayevalve.com\/wp-content\/uploads\/2025\/12\/YIYE-124x75.webp 124w, https:\/\/www.yayevalve.com\/wp-content\/uploads\/2025\/12\/YIYE-480x290.webp 480w\" sizes=\"auto, (max-width:767px) 480px, (max-width:2076px) 100vw, 2076px\" \/><\/p>","protected":false},"excerpt":{"rendered":"<p>Estritamente em conformidade com os padr\u00f5es GB\/T 12238, esta <b data-path-to-node=\"1\" data-index-in-node=\"51\">v\u00e1lvula borboleta tipo orelha em ferro fundido d\u00factil<\/b> integra materiais de alta resist\u00eancia com tecnologia de veda\u00e7\u00e3o avan\u00e7ada, projetada especificamente para isolamento eficiente e manuten\u00e7\u00e3o flex\u00edvel em sistemas de tubula\u00e7\u00e3o. O corpo \u00e9 fundido de precis\u00e3o em ferro fundido d\u00factil de alta qualidade (QT450-10), oferecendo resist\u00eancia \u00e0 tra\u00e7\u00e3o e tenacidade superiores para gerenciar efetivamente a expans\u00e3o t\u00e9rmica e as vibra\u00e7\u00f5es mec\u00e2nicas. A configura\u00e7\u00e3o exclusiva tipo orelha proporciona versatilidade excepcional, permitindo servi\u00e7o em extremidade morta que possibilita a manuten\u00e7\u00e3o da tubula\u00e7\u00e3o a jusante, mantendo a press\u00e3o total a montante, maximizando assim a continuidade operacional. Internamente, a v\u00e1lvula apresenta um disco de a\u00e7o inoxid\u00e1vel usinado com precis\u00e3o (como CF8M) acoplado a uma sede de interfer\u00eancia de alta resili\u00eancia, criando um caminho de fluxo de baixa resist\u00eancia quando aberta e garantindo um fechamento bidirecional, estanque a bolhas e com vazamento zero quando fechada. A haste \u00e9 projetada com um recurso de seguran\u00e7a anti-sopragem e acabamento de precis\u00e3o para minimizar o torque de opera\u00e7\u00e3o, garantindo uma atua\u00e7\u00e3o manual ou automatizada suave. Complementada por um revestimento ecol\u00f3gico de resina ep\u00f3xi eletrost\u00e1tica para resist\u00eancia superior \u00e0 corros\u00e3o e ao desgaste, esta v\u00e1lvula \u00e9 a escolha principal para \u00e1gua municipal, prote\u00e7\u00e3o contra inc\u00eandio, HVAC e processos industriais gerais onde a pureza do fluido e o controle preciso s\u00e3o primordiais.<\/p>\n<table data-path-to-node=\"1\">\n<thead>\n<tr>\n<td><strong>Descri\u00e7\u00e3o<\/strong><\/td>\n<td><strong>Valor<\/strong><\/td>\n<td><strong>Unidade<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><span data-path-to-node=\"1,1,0,0\"><b data-path-to-node=\"1,1,0,0\" data-index-in-node=\"0\">Press\u00e3o Nominal (PN)<\/b><\/span><\/td>\n<td><span data-path-to-node=\"1,1,1,0\">16<\/span><\/td>\n<td><span data-path-to-node=\"1,1,2,0\">\u2013<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"1,2,0,0\"><b data-path-to-node=\"1,2,0,0\" data-index-in-node=\"0\">DN<\/b><\/span><\/td>\n<td><span data-path-to-node=\"1,2,1,0\">50\u2013400<\/span><\/td>\n<td><span data-path-to-node=\"1,2,2,0\">mm<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"1,3,0,0\"><b data-path-to-node=\"1,3,0,0\" data-index-in-node=\"0\">Press\u00e3o de Teste: Press\u00e3o de Teste do Corpo<\/b><\/span><\/td>\n<td><span data-path-to-node=\"1,3,1,0\">2.4<\/span><\/td>\n<td><span data-path-to-node=\"1,3,2,0\">MPa<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"1,4,0,0\"><b data-path-to-node=\"1,4,0,0\" data-index-in-node=\"0\">Press\u00e3o de Teste: Press\u00e3o de Teste de Veda\u00e7\u00e3o<\/b><\/span><\/td>\n<td><span data-path-to-node=\"1,4,1,0\">1.76<\/span><\/td>\n<td><span data-path-to-node=\"1,4,2,0\">MPa<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"1,5,0,0\"><b data-path-to-node=\"1,5,0,0\" data-index-in-node=\"0\">Press\u00e3o de Teste: Press\u00e3o de Teste de Ar<\/b><\/span><\/td>\n<td><span data-path-to-node=\"1,5,1,0\">0.6<\/span><\/td>\n<td><span data-path-to-node=\"1,5,2,0\">MPa<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"1,6,0,0\"><b data-path-to-node=\"1,6,0,0\" data-index-in-node=\"0\">Temp. Adequada.<\/b><\/span><\/td>\n<td><span data-path-to-node=\"1,6,1,0\">\u2264 120<\/span><\/td>\n<td><span data-path-to-node=\"1,6,2,0\">\u2103<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"1,7,0,0\"><b data-path-to-node=\"1,7,0,0\" data-index-in-node=\"0\">Meio Adequado<\/b><\/span><\/td>\n<td><span data-path-to-node=\"1,7,1,0\">\u00c1gua, Vapor, \u00d3leo (A.V.O)<\/span><\/td>\n<td><span data-path-to-node=\"1,7,2,0\">\u2013<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>","protected":false},"featured_media":508,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[25,31],"product_tag":[],"class_list":["post-507","product","type-product","status-publish","has-post-thumbnail","product_cat-butterfly-valves","product_cat-casting-butterfly-valves","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/www.yayevalve.com\/pt\/wp-json\/wp\/v2\/product\/507","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.yayevalve.com\/pt\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.yayevalve.com\/pt\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/www.yayevalve.com\/pt\/wp-json\/wp\/v2\/comments?post=507"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.yayevalve.com\/pt\/wp-json\/wp\/v2\/media\/508"}],"wp:attachment":[{"href":"https:\/\/www.yayevalve.com\/pt\/wp-json\/wp\/v2\/media?parent=507"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.yayevalve.com\/pt\/wp-json\/wp\/v2\/product_brand?post=507"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.yayevalve.com\/pt\/wp-json\/wp\/v2\/product_cat?post=507"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.yayevalve.com\/pt\/wp-json\/wp\/v2\/product_tag?post=507"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}