{"id":529,"date":"2026-04-16T15:58:22","date_gmt":"2026-04-16T07:58:22","guid":{"rendered":"https:\/\/www.yayevalve.com\/?post_type=product&#038;p=529"},"modified":"2026-04-16T16:31:08","modified_gmt":"2026-04-16T08:31:08","slug":"gb-cast-ductile-iron-wafer-check-valve","status":"publish","type":"product","link":"https:\/\/www.yayevalve.com\/pt\/product\/gb-cast-ductile-iron-wafer-check-valve\/","title":{"rendered":"V\u00e1lvula de Reten\u00e7\u00e3o Tipo Borboleta em 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=\"160\" data-end=\"313\">Apresentando um mecanismo de placa dupla assistido por mola, esta v\u00e1lvula oferece curso mais curto e resposta mais r\u00e1pida em compara\u00e7\u00e3o com as v\u00e1lvulas de reten\u00e7\u00e3o de giro tradicionais. Em <b data-path-to-node=\"10,1,0\" data-index-in-node=\"159\">sistemas de abastecimento de \u00e1gua em edif\u00edcios altos<\/b> ou <b data-path-to-node=\"10,1,0\" data-index-in-node=\"193\">configura\u00e7\u00f5es de bombas paralelas<\/b>, ela fecha antes que o refluxo ganhe impulso, neutralizando efetivamente o golpe de ar\u00edete severo e protegendo a tubula\u00e7\u00e3o.<\/p>\n<\/li>\n<li data-start=\"315\" data-end=\"481\">\n<p data-start=\"317\" data-end=\"481\">O corpo fino tipo wafer elimina flanges volumosos, com uma dimens\u00e3o face a face de apenas <b data-path-to-node=\"12,1,0\" data-index-in-node=\"90\">1\/4 a 1\/6<\/b> das v\u00e1lvulas com flange. Isso proporciona flexibilidade excepcional para <b data-path-to-node=\"12,1,0\" data-index-in-node=\"167\">integra\u00e7\u00e3o de equipamentos em cont\u00eaineres<\/b> e apertados <b data-path-to-node=\"12,1,0\" data-index-in-node=\"215\">salas de m\u00e1quinas de navios ou casas de bombas industriais<\/b>, reduzindo significativamente o peso e a carga geral do sistema.<\/p>\n<\/li>\n<li data-start=\"483\" data-end=\"649\">\n<p data-start=\"485\" data-end=\"649\">Fundido em <b data-path-to-node=\"14,1,0\" data-index-in-node=\"19\">Ferro Fundido D\u00factil QT450-10 de alta qualidade<\/b>, o corpo oferece propriedades mec\u00e2nicas superiores para lidar com <b data-path-to-node=\"14,1,0\" data-index-in-node=\"112\">PN16<\/b> press\u00f5es de estado estacion\u00e1rio com facilidade. Quando confrontado com surtos de press\u00e3o repentinos em <b data-path-to-node=\"14,1,0\" data-index-in-node=\"193\">linhas tronco municipais<\/b>, as propriedades de alongamento do material evitam fraturas quebradi\u00e7as, estendendo o ciclo de vida \u00fatil do equipamento.<\/p>\n<\/li>\n<li data-start=\"651\" data-end=\"843\">\n<p data-start=\"653\" data-end=\"843\">O assento da veda\u00e7\u00e3o \u00e9 vulcanizado ou embutido diretamente no caminho do fluxo, garantindo estabilidade mesmo sob eros\u00e3o de alta velocidade a longo prazo. Combinado com bordas de placa retificadas com precis\u00e3o, este design fornece veda\u00e7\u00e3o herm\u00e9tica, tornando-o uma barreira ideal para manter a press\u00e3o em <b data-path-to-node=\"16,1,0\" data-index-in-node=\"281\">sistemas de sprinklers de inc\u00eandio<\/b> and <b data-path-to-node=\"16,1,0\" data-index-in-node=\"308\">circuitos de \u00e1gua de resfriamento<\/b>.<\/p>\n<\/li>\n<li data-start=\"845\" data-end=\"1043\">\n<p data-start=\"847\" data-end=\"1043\">As superf\u00edcies interna e externa s\u00e3o revestidas com um espesso p\u00f3 ep\u00f3xi, formando uma barreira protetora lisa e quimicamente resistente. Este processo protege o corpo do solo e da umidade e atende aos requisitos de <b data-path-to-node=\"18,1,0\" data-index-in-node=\"205\">tratamento de \u00e1gua pot\u00e1vel<\/b> , evitando contamina\u00e7\u00e3o secund\u00e1ria causada por corros\u00e3o interna.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"20,1,0\">Projetada para ser compat\u00edvel com v\u00e1rios padr\u00f5es de flange principais (por exemplo, GB, ANSI, DIN), a v\u00e1lvula \u00e9 simplesmente encaixada entre flanges usando parafusos longos. Este alinhamento \u201cagn\u00f3stico de padr\u00e3o\u201d reduz muito a dificuldade de constru\u00e7\u00e3o em <b data-path-to-node=\"20,1,0\" data-index-in-node=\"238\">locais de infraestrutura<\/b> causados por padr\u00f5es incompat\u00edveis, encurtando o tempo de montagem.<\/p>\n<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-538 size-full\" src=\"https:\/\/www.yayevalve.com\/wp-content\/uploads\/2026\/04\/111.png\" alt=\"\" width=\"737\" height=\"1059\" srcset=\"https:\/\/www.yayevalve.com\/wp-content\/uploads\/2026\/04\/111.png 737w, https:\/\/www.yayevalve.com\/wp-content\/uploads\/2026\/04\/111-348x500.png 348w, https:\/\/www.yayevalve.com\/wp-content\/uploads\/2026\/04\/111-209x300.png 209w, https:\/\/www.yayevalve.com\/wp-content\/uploads\/2026\/04\/111-8x12.png 8w, https:\/\/www.yayevalve.com\/wp-content\/uploads\/2026\/04\/111-52x75.png 52w, https:\/\/www.yayevalve.com\/wp-content\/uploads\/2026\/04\/111-480x690.png 480w\" sizes=\"auto, (max-width:767px) 480px, 737px\" \/><\/p>\n<h2>Materiais para pe\u00e7as principais<\/h2>\n<table border=\"1\" cellspacing=\"0\" cellpadding=\"8\">\n<tbody><!-- Parts List --><\/p>\n<tr>\n<th>N\u00ba da pe\u00e7a.<\/th>\n<th>Nome da Pe\u00e7a<\/th>\n<th>Material<\/th>\n<th>Observa\u00e7\u00e3o<\/th>\n<\/tr>\n<tr>\n<td>8<\/td>\n<td>Tampa<\/td>\n<td>ASTM A105<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>7<\/td>\n<td>Suporte de Pino<\/td>\n<td>ASTM A217 CA15<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>6<\/td>\n<td>Sede<\/td>\n<td>INT + STL.6 Revestimento<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>5<\/td>\n<td>Mancal<\/td>\n<td>ASTM A276 410<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>Mola<\/td>\n<td>Inconel X-750<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>Pino<\/td>\n<td>ASTM A276 410<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>Placa<\/td>\n<td>ASTM A217 CA15<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>1<\/td>\n<td>Corpo<\/td>\n<td>ASTM A216 WCB<\/td>\n<td><\/td>\n<\/tr>\n<p><!-- Standards --><\/p>\n<tr>\n<th colspan=\"2\">Especifica\u00e7\u00e3o<\/th>\n<th colspan=\"2\">Padr\u00e3o<\/th>\n<\/tr>\n<tr>\n<td colspan=\"2\">Projeto e Fabrica\u00e7\u00e3o<\/td>\n<td colspan=\"2\">API 594<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\">Dimens\u00f5es Face a Face<\/td>\n<td colspan=\"2\">API 594<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\">Dimens\u00f5es da Flange<\/td>\n<td colspan=\"2\">ASME B16.5<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\">Teste de Press\u00e3o<\/td>\n<td colspan=\"2\">API 598<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\">Classifica\u00e7\u00e3o de Press\u00e3o-Temperatura<\/td>\n<td colspan=\"2\">ASME B16.34<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\">Requisito NACE<\/td>\n<td colspan=\"2\">\\<\/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<tbody>\n<tr>\n<th>Item<\/th>\n<th>Classe<\/th>\n<th>Tamanho<\/th>\n<th colspan=\"3\">Dimens\u00f5es<\/th>\n<\/tr>\n<tr>\n<th><\/th>\n<th><\/th>\n<th><\/th>\n<th>L<\/th>\n<th>D<\/th>\n<th>D1<\/th>\n<\/tr>\n<tr>\n<td>1<\/td>\n<td>150lb<\/td>\n<td>2<\/td>\n<td>60<\/td>\n<td>103<\/td>\n<td>55<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>150lb<\/td>\n<td>2-1\/2<\/td>\n<td>67<\/td>\n<td>122<\/td>\n<td>68<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>150lb<\/td>\n<td>3<\/td>\n<td>73<\/td>\n<td>135<\/td>\n<td>82<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>150lb<\/td>\n<td>4<\/td>\n<td>73<\/td>\n<td>173<\/td>\n<td>108<\/td>\n<\/tr>\n<tr>\n<td>5<\/td>\n<td>150lb<\/td>\n<td>5<\/td>\n<td>86<\/td>\n<td>195<\/td>\n<td>130<\/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 data-start=\"474\" data-end=\"857\">Projetado rigorosamente em conformidade com os padr\u00f5es GB\/T, este <b data-path-to-node=\"1\" data-index-in-node=\"60\">V\u00e1lvula de reten\u00e7\u00e3o tipo wafer de ferro fundido d\u00factil GB<\/b> (tamb\u00e9m conhecida como v\u00e1lvula de reten\u00e7\u00e3o tipo wafer de placa dupla) \u00e9 um componente de seguran\u00e7a de alta efici\u00eancia projetado para prevenir o refluxo de fluidos e eliminar a destrui\u00e7\u00e3o por golpe de ar\u00edete em sistemas de tubula\u00e7\u00e3o. O corpo \u00e9 fundido com precis\u00e3o em ferro fundido d\u00factil de alta qualidade QT450-10, apresentando uma configura\u00e7\u00e3o \u00fanica de wafer ultracurta que minimiza significativamente a dimens\u00e3o face a face e o peso de instala\u00e7\u00e3o, reduzindo efetivamente as cargas na tubula\u00e7\u00e3o em ambientes elevados ou confinados. A estrutura interna sim\u00e9trica de placa dupla, acionada por molas de tor\u00e7\u00e3o de alto desempenho, abre suavemente sob press\u00e3o direta e atinge o pr\u00e9-fechamento em n\u00edvel de milissegundo no momento em que a velocidade do fluxo cai para zero, minimizando assim o impacto do refluxo e a vibra\u00e7\u00e3o do sistema. As superf\u00edcies de veda\u00e7\u00e3o s\u00e3o acabadas com precis\u00e3o para oferecer um fechamento robusto e estanque a bolhas em uma ampla gama de diferenciais de press\u00e3o. Aprimorada por um revestimento em p\u00f3 de resina ep\u00f3xi eletrost\u00e1tica ecol\u00f3gico de cobertura total (espessura \u2265250\u03bcm), a v\u00e1lvula oferece excelente in\u00e9rcia qu\u00edmica e resist\u00eancia \u00e0 corros\u00e3o, garantindo a pureza do fluido, tornando-a a escolha principal para abastecimento de \u00e1gua municipal, drenagem, HVAC, prote\u00e7\u00e3o contra inc\u00eandio e redes industriais de \u00e1gua circulante.<\/p>\n<ul data-start=\"93\" data-end=\"424\">\n<li data-start=\"93\" data-end=\"150\">\n<p data-start=\"95\" data-end=\"150\"><strong data-start=\"95\" data-end=\"115\">Classifica\u00e7\u00e3o de Press\u00e3o:<\/strong> PN16 \u2013 PN100<\/p>\n<\/li>\n<li data-start=\"93\" data-end=\"150\">\n<p data-start=\"95\" data-end=\"150\"><strong data-start=\"153\" data-end=\"168\">Faixa de Tamanho:<\/strong> 1\/2\u2033 \u2013 60\u2033 (DN 15 \u2013 DN 1500)<\/p>\n<\/li>\n<li data-start=\"200\" data-end=\"244\">\n<p data-start=\"202\" data-end=\"244\"><strong data-start=\"202\" data-end=\"226\">Temperatura de Trabalho:<\/strong> -29\u00b0C a 425\u00b0C<\/p>\n<\/li>\n<li data-start=\"245\" data-end=\"293\">\n<p data-start=\"247\" data-end=\"293\"><strong data-start=\"247\" data-end=\"261\">Padr\u00f5es:<\/strong> GB<\/p>\n<\/li>\n<li data-start=\"294\" data-end=\"371\">\n<p data-start=\"296\" data-end=\"371\"><strong data-start=\"296\" data-end=\"310\">Materiais:<\/strong> A\u00e7o Carbono, A\u00e7o Inoxid\u00e1vel, A\u00e7o Liga, Ligas Especiais<\/p>\n<\/li>\n<li data-start=\"372\" data-end=\"424\">\n<p data-start=\"374\" data-end=\"424\"><strong data-start=\"374\" data-end=\"388\">Opera\u00e7\u00e3o:<\/strong> Manual, Engrenagem, El\u00e9trica, Pneum\u00e1tica<\/p>\n<\/li>\n<\/ul>","protected":false},"featured_media":531,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[34,24],"product_tag":[],"class_list":["post-529","product","type-product","status-publish","has-post-thumbnail","product_cat-casting-check-vavles","product_cat-check-valves","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/www.yayevalve.com\/pt\/wp-json\/wp\/v2\/product\/529","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=529"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.yayevalve.com\/pt\/wp-json\/wp\/v2\/media\/531"}],"wp:attachment":[{"href":"https:\/\/www.yayevalve.com\/pt\/wp-json\/wp\/v2\/media?parent=529"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.yayevalve.com\/pt\/wp-json\/wp\/v2\/product_brand?post=529"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.yayevalve.com\/pt\/wp-json\/wp\/v2\/product_cat?post=529"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.yayevalve.com\/pt\/wp-json\/wp\/v2\/product_tag?post=529"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}