{"id":516,"date":"2026-04-16T11:04:05","date_gmt":"2026-04-16T03:04:05","guid":{"rendered":"https:\/\/www.yayevalve.com\/?post_type=product&#038;p=516"},"modified":"2026-04-16T11:18:41","modified_gmt":"2026-04-16T03:18:41","slug":"gb-cast-ductile-iron-rising-stem-gate-valve","status":"publish","type":"product","link":"https:\/\/www.yayevalve.com\/pt\/product\/gb-cast-ductile-iron-rising-stem-gate-valve\/","title":{"rendered":"V\u00e1lvula Gaveta de Haste Ascendente de Ferro Fundido D\u00factil GB"},"content":{"rendered":"<h2>Caracter\u00edsticas Estruturais de<\/h2>\n<ul>\n<li data-start=\"158\" data-end=\"313\">\n<p data-start=\"664\" data-end=\"910\">The <b data-path-to-node=\"10,1,0\" data-index-in-node=\"13\">Haste Ascendente<\/b> a configura\u00e7\u00e3o garante que a posi\u00e7\u00e3o vertical da haste reflita diretamente o grau de abertura da v\u00e1lvula. Isso permite que os operadores confirmem visualmente o status do fluxo \u00e0 dist\u00e2ncia, prevenindo opera\u00e7\u00f5es acidentais e eliminando danos \u00e0 sede causados por aperto excessivo comum em projetos de haste n\u00e3o ascendente.<\/p>\n<\/li>\n<li data-start=\"315\" data-end=\"481\">\n<p data-start=\"317\" data-end=\"481\">Utilizando <b data-path-to-node=\"12,1,0\" data-index-in-node=\"27\">Ferro Fundido D\u00factil QT450<\/b>, o corpo exibe alongamento e resist\u00eancia ao impacto superiores, aumentando a resili\u00eancia do sistema contra surtos de press\u00e3o ou efeitos de golpe de ar\u00edete. Este material mitiga efetivamente os riscos de fratura em cen\u00e1rios complexos de subsid\u00eancia do solo, fornecendo uma base confi\u00e1vel para redes de abastecimento de \u00e1gua industrial e prote\u00e7\u00e3o contra inc\u00eandio.<\/p>\n<\/li>\n<li data-start=\"483\" data-end=\"649\">\n<p data-start=\"1308\" data-end=\"1555\">As roscas da haste s\u00e3o alojadas em um jugo externo, isolando-as da m\u00eddia interna em fluxo. Este layout evita a eros\u00e3o das roscas de acionamento por impurezas ou fluidos corrosivos, mantendo a lubrifica\u00e7\u00e3o a longo prazo e garantindo <b data-path-to-node=\"14,1,0\" data-index-in-node=\"240\">opera\u00e7\u00e3o suave e sem esfor\u00e7o<\/b> mesmo em redes de tubula\u00e7\u00e3o de alta capacidade.<\/p>\n<\/li>\n<li data-start=\"651\" data-end=\"843\">\n<p data-start=\"978\" data-end=\"1166\">As superf\u00edcies da v\u00e1lvula passam por um processo uniforme de <b data-path-to-node=\"16,1,0\" data-index-in-node=\"46\">revestimento em p\u00f3 eletrost\u00e1tico<\/b>, criando uma barreira protetora densa e azul que protege o substrato de ferro contra oxida\u00e7\u00e3o atmosf\u00e9rica. Este acabamento de grau industrial n\u00e3o \u00e9 apenas esteticamente profissional, mas tamb\u00e9m estende a vida \u00fatil da v\u00e1lvula em salas de bombas \u00famidas ou instala\u00e7\u00f5es externas, reduzindo os ciclos de manuten\u00e7\u00e3o.<\/p>\n<\/li>\n<li data-start=\"845\" data-end=\"1043\">\n<p data-start=\"1361\" data-end=\"1847\">O canal de fluxo interno apresenta um design de <b data-path-to-node=\"18,1,0\" data-index-in-node=\"46\">sede de fundo plano<\/b> , eliminando o problema comum onde sedimentos ou detritos se acumulam na base e impedem uma veda\u00e7\u00e3o estanque. Acoplado a uma cunha resiliente totalmente encapsulada, ele expulsa ou absorve pequenas part\u00edculas durante o fechamento para manter <b data-path-to-node=\"18,1,0\" data-index-in-node=\"287\">herm\u00e9tico<\/b> de corte, garantindo a integridade total do sistema.<\/p>\n<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-518 size-full\" src=\"https:\/\/www.yayevalve.com\/wp-content\/uploads\/2026\/04\/992.png\" alt=\"\" width=\"507\" height=\"771\" srcset=\"https:\/\/www.yayevalve.com\/wp-content\/uploads\/2026\/04\/992.png 507w, https:\/\/www.yayevalve.com\/wp-content\/uploads\/2026\/04\/992-329x500.png 329w, https:\/\/www.yayevalve.com\/wp-content\/uploads\/2026\/04\/992-197x300.png 197w, https:\/\/www.yayevalve.com\/wp-content\/uploads\/2026\/04\/992-8x12.png 8w, https:\/\/www.yayevalve.com\/wp-content\/uploads\/2026\/04\/992-49x75.png 49w, https:\/\/www.yayevalve.com\/wp-content\/uploads\/2026\/04\/992-480x730.png 480w\" sizes=\"auto, (max-width:767px) 480px, 507px\" \/><\/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>Tampa<\/td>\n<td>QT450-10<\/td>\n<\/tr>\n<tr>\n<td>5<\/td>\n<td>Haste<\/td>\n<td>2Cr13<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>Parafuso<\/td>\n<td>6.8<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>Cal\u00e7o<\/td>\n<td>NBR<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>Disco<\/td>\n<td>QT450-10+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>D<\/th>\n<th>K<\/th>\n<th>d<\/th>\n<th>C<\/th>\n<th>f<\/th>\n<th>n-\u03a6<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>50<\/td>\n<td>175<\/td>\n<td>165<\/td>\n<td>125<\/td>\n<td>102<\/td>\n<td>18<\/td>\n<td>2<\/td>\n<td>4-\u03a618<\/td>\n<\/tr>\n<tr>\n<td>65<\/td>\n<td>185<\/td>\n<td>185<\/td>\n<td>145<\/td>\n<td>122<\/td>\n<td>20<\/td>\n<td>2<\/td>\n<td>4-\u03a618<\/td>\n<\/tr>\n<tr>\n<td>80<\/td>\n<td>195<\/td>\n<td>200<\/td>\n<td>160<\/td>\n<td>138<\/td>\n<td>20<\/td>\n<td>2<\/td>\n<td>8-\u03a618<\/td>\n<\/tr>\n<tr>\n<td>100<\/td>\n<td>225<\/td>\n<td>220<\/td>\n<td>180<\/td>\n<td>158<\/td>\n<td>22<\/td>\n<td>2<\/td>\n<td>8-\u03a618<\/td>\n<\/tr>\n<tr>\n<td>125<\/td>\n<td>245<\/td>\n<td>250<\/td>\n<td>210<\/td>\n<td>188<\/td>\n<td>22<\/td>\n<td>2<\/td>\n<td>8-\u03a618<\/td>\n<\/tr>\n<tr>\n<td>150<\/td>\n<td>255<\/td>\n<td>285<\/td>\n<td>240<\/td>\n<td>212<\/td>\n<td>24<\/td>\n<td>2<\/td>\n<td>8-\u03a622<\/td>\n<\/tr>\n<tr>\n<td>200<\/td>\n<td>285<\/td>\n<td>340<\/td>\n<td>295<\/td>\n<td>268<\/td>\n<td>26<\/td>\n<td>2<\/td>\n<td>12-\u03a622<\/td>\n<\/tr>\n<tr>\n<td>250<\/td>\n<td>325<\/td>\n<td>405<\/td>\n<td>355<\/td>\n<td>320<\/td>\n<td>29<\/td>\n<td>2<\/td>\n<td>12-\u03a626<\/td>\n<\/tr>\n<tr>\n<td>300<\/td>\n<td>350<\/td>\n<td>460<\/td>\n<td>410<\/td>\n<td>378<\/td>\n<td>32<\/td>\n<td>2<\/td>\n<td>12-\u03a626<\/td>\n<\/tr>\n<tr>\n<td>350<\/td>\n<td>385<\/td>\n<td>520<\/td>\n<td>470<\/td>\n<td>430<\/td>\n<td>35<\/td>\n<td>2<\/td>\n<td>16-\u03a626<\/td>\n<\/tr>\n<tr>\n<td>400<\/td>\n<td>397<\/td>\n<td>580<\/td>\n<td>525<\/td>\n<td>490<\/td>\n<td>38<\/td>\n<td>2<\/td>\n<td>16-\u03a630<\/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>Projetado rigorosamente em conformidade com as normas GB\/T 12232 e GB\/T 17241.6, esta <b data-path-to-node=\"1\" data-index-in-node=\"83\">V\u00e1lvula gaveta de ferro fundido d\u00factil GB com haste ascendente (OS&amp;Y)<\/b> \u00e9 uma solu\u00e7\u00e3o de ponta para isolamento de fluidos de alta confiabilidade em redes de tubula\u00e7\u00e3o industriais e municipais. O corpo da v\u00e1lvula \u00e9 fundido de precis\u00e3o em ferro fundido d\u00factil de alta resist\u00eancia QT450-10, oferecendo excepcional resist\u00eancia \u00e0 compress\u00e3o e ductilidade para absorver efetivamente as tens\u00f5es mec\u00e2nicas e as cargas de expans\u00e3o t\u00e9rmica dentro do sistema. A configura\u00e7\u00e3o especializada <b data-path-to-node=\"1\" data-index-in-node=\"474\">O projeto com Rosca Externa e Yoke (OS&amp;Y)<\/b> isola as roscas da haste da m\u00eddia do processo, prevenindo eros\u00e3o e corros\u00e3o, ao mesmo tempo que fornece indica\u00e7\u00e3o visual clara da posi\u00e7\u00e3o da v\u00e1lvula atrav\u00e9s do deslocamento vertical da haste. Seu mecanismo de veda\u00e7\u00e3o central utiliza uma cunha resiliente totalmente encapsulada combinada com um caminho de fluxo de fundo plano usinado com precis\u00e3o, garantindo fechamento bidirecional, estanque a bolhas e eliminando o ac\u00famulo de sedimentos. Complementada por um revestimento em p\u00f3 de resina ep\u00f3xi eletrost\u00e1tica de alta constru\u00e7\u00e3o, de grau aliment\u00edcio, a v\u00e1lvula oferece resist\u00eancia superior \u00e0 corros\u00e3o, ao mesmo tempo que protege a pureza das m\u00eddias transportadas \u2014 como \u00e1gua pot\u00e1vel, \u00e1gua de resfriamento de HVAC e fluidos neutros \u2014 tornando-a uma escolha ideal para abastecimento de \u00e1gua urbano, prote\u00e7\u00e3o contra inc\u00eandio, tratamento de \u00e1gua industrial e sistemas de esgoto.<\/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":517,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[36,17],"product_tag":[],"class_list":["post-516","product","type-product","status-publish","has-post-thumbnail","product_cat-casting-gate-valves","product_cat-gate-valves","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/www.yayevalve.com\/pt\/wp-json\/wp\/v2\/product\/516","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=516"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.yayevalve.com\/pt\/wp-json\/wp\/v2\/media\/517"}],"wp:attachment":[{"href":"https:\/\/www.yayevalve.com\/pt\/wp-json\/wp\/v2\/media?parent=516"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.yayevalve.com\/pt\/wp-json\/wp\/v2\/product_brand?post=516"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.yayevalve.com\/pt\/wp-json\/wp\/v2\/product_cat?post=516"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.yayevalve.com\/pt\/wp-json\/wp\/v2\/product_tag?post=516"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}