{"id":528,"date":"2026-04-16T15:50:07","date_gmt":"2026-04-16T07:50:07","guid":{"rendered":"https:\/\/www.yayevalve.com\/?post_type=product&#038;p=528"},"modified":"2026-04-16T15:57:41","modified_gmt":"2026-04-16T07:57:41","slug":"gb-cast-swing-ductile-iron-check-valve","status":"publish","type":"product","link":"https:\/\/www.yayevalve.com\/pt\/product\/gb-cast-swing-ductile-iron-check-valve\/","title":{"rendered":"V\u00e1lvula de Reten\u00e7\u00e3o de Oscila\u00e7\u00e3o 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\">\u00a0Utilizando <b data-path-to-node=\"10,1,0\" data-index-in-node=\"19\">Ferro Fundido Nodular QT450-10<\/b> com uma <b data-path-to-node=\"10,1,0\" data-index-in-node=\"48\">taxa de alongamento de 10%<\/b>, a v\u00e1lvula exibe tenacidade excepcional contra pulsa\u00e7\u00f5es de press\u00e3o instant\u00e2neas causadas por falha da bomba em <b data-path-to-node=\"10,1,0\" data-index-in-node=\"178\">redes municipais<\/b>. Este material reduz significativamente o risco de ruptura, oferecendo resist\u00eancia s\u00edsmica e seguran\u00e7a operacional superiores em compara\u00e7\u00e3o com alternativas de ferro fundido cinzento.<\/p>\n<\/li>\n<li data-start=\"315\" data-end=\"481\">\n<p data-start=\"317\" data-end=\"481\">O design interno aerodin\u00e2mico de passagem plena garante resist\u00eancia m\u00ednima ao fluxo quando o disco est\u00e1 totalmente aberto. Em <b data-path-to-node=\"12,1,0\" data-index-in-node=\"115\">sistemas de bombas circulantes em larga escala<\/b>, este recurso reduz drasticamente a perda de press\u00e3o do fluido, melhorando a efici\u00eancia de transfer\u00eancia, ao mesmo tempo em que diminui o consumo de energia a longo prazo e os custos operacionais.<\/p>\n<\/li>\n<li data-start=\"483\" data-end=\"649\">\n<p data-start=\"485\" data-end=\"649\">Contando com a for\u00e7a dupla da gravidade do disco e da contrapress\u00e3o da m\u00eddia, a v\u00e1lvula reinicia e veda instantaneamente quando a velocidade do fluxo atinge zero. Este controle unidirecional preciso impede efetivamente o refluxo, fornecendo prote\u00e7\u00e3o 24 horas por dia, 7 dias por semana para <b data-path-to-node=\"14,1,0\" data-index-in-node=\"231\">bombas centr\u00edfugas e medidores de precis\u00e3o<\/b> contra danos mec\u00e2nicos causados por surtos reversos.<\/p>\n<\/li>\n<li data-start=\"651\" data-end=\"843\">\n<p data-start=\"653\" data-end=\"843\">\u00a0Ambas as superf\u00edcies interna e externa apresentam um <b data-path-to-node=\"16,1,0\" data-index-in-node=\"56\">revestimento em p\u00f3 ep\u00f3xi eletrost\u00e1tico<\/b>, criando uma camada protetora uniforme com mais de 250\u03bcm de espessura. Esta barreira anticorrosiva protege o corpo do solo \u00e1cido e atende <b data-path-to-node=\"16,1,0\" data-index-in-node=\"218\">aos padr\u00f5es de higiene para \u00e1gua pot\u00e1vel<\/b>, garantindo a pureza da m\u00eddia e resolvendo problemas de polui\u00e7\u00e3o secund\u00e1ria da \u00e1gua.<\/p>\n<\/li>\n<li data-start=\"845\" data-end=\"1043\">\n<p data-start=\"847\" data-end=\"1043\">The top-mounted <b data-path-to-node=\"18,1,0\" data-index-in-node=\"25\">configura\u00e7\u00e3o de Castelo Aparafusado<\/b> A arquitetura permite a remo\u00e7\u00e3o do disco para limpeza ou substitui\u00e7\u00e3o da veda\u00e7\u00e3o sem remover a v\u00e1lvula da linha. Isso reduz significativamente o tempo de inatividade durante a manuten\u00e7\u00e3o de rotina em <b data-path-to-node=\"18,1,0\" data-index-in-node=\"218\">redes de energia industrial<\/b>, reduzindo a intensidade de trabalho e a complexidade operacional para os t\u00e9cnicos.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"20,1,0\">Fabricados em estrita conformidade com <b data-path-to-node=\"20,1,0\" data-index-in-node=\"48\">padr\u00f5es GB\/T<\/b>, as flanges s\u00e3o compat\u00edveis com m\u00faltiplos padr\u00f5es de furos, garantindo um ajuste perfeito com os principais componentes da tubula\u00e7\u00e3o. Essa alta padroniza\u00e7\u00e3o elimina incompatibilidades de tamanho comuns em <b data-path-to-node=\"20,1,0\" data-index-in-node=\"238\">projetos de infraestrutura no exterior<\/b>, tornando a montagem no local mais r\u00e1pida, confi\u00e1vel e altamente vers\u00e1til.<\/p>\n<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-236 size-full\" src=\"https:\/\/yayevalve.com\/wp-content\/uploads\/2026\/01\/779.png\" alt=\"\" width=\"706\" height=\"596\" srcset=\"https:\/\/www.yayevalve.com\/wp-content\/uploads\/2026\/01\/779.png 706w, https:\/\/www.yayevalve.com\/wp-content\/uploads\/2026\/01\/779-500x422.png 500w, https:\/\/www.yayevalve.com\/wp-content\/uploads\/2026\/01\/779-300x253.png 300w, https:\/\/www.yayevalve.com\/wp-content\/uploads\/2026\/01\/779-89x75.png 89w, https:\/\/www.yayevalve.com\/wp-content\/uploads\/2026\/01\/779-480x405.png 480w\" sizes=\"auto, (max-width:767px) 480px, 706px\" \/><\/p>\n<h2>Materiais para pe\u00e7as principais<\/h2>\n<table border=\"1\" cellspacing=\"0\" cellpadding=\"8\">\n<tbody>\n<tr>\n<th>Nome<\/th>\n<th colspan=\"9\">Material<\/th>\n<\/tr>\n<tr>\n<td>Corpo \/ Tampa<\/td>\n<td>CF8<\/td>\n<td>CF3<\/td>\n<td>CF8M<\/td>\n<td>CF3M<\/td>\n<td>WCB<\/td>\n<td>LCB<\/td>\n<td>WC6<\/td>\n<td>WC9<\/td>\n<td>C5<\/td>\n<\/tr>\n<tr>\n<td>Cunha<\/td>\n<td>CF8<\/td>\n<td>CF3<\/td>\n<td>CF8M<\/td>\n<td>CF3M<\/td>\n<td>WCB<\/td>\n<td>LCB<\/td>\n<td>WC6<\/td>\n<td>WC9<\/td>\n<td>C5<\/td>\n<\/tr>\n<tr>\n<td>Junta<\/td>\n<td colspan=\"4\">PTFE<\/td>\n<td colspan=\"5\">Grafite<\/td>\n<\/tr>\n<tr>\n<td>Parafuso<\/td>\n<td colspan=\"5\">A\u00e7o Inoxid\u00e1vel<\/td>\n<td colspan=\"4\">35CrMoA<\/td>\n<\/tr>\n<tr>\n<td>Porca<\/td>\n<td colspan=\"5\">A\u00e7o Inoxid\u00e1vel<\/td>\n<td colspan=\"4\">45, 35CrMoA<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Dimens\u00f5es da Conex\u00e3o Principal Classe 150LB<\/h2>\n<table border=\"1\">\n<thead>\n<tr>\n<th>DN<\/th>\n<th>TAMANHO<\/th>\n<th>L<\/th>\n<th>D<\/th>\n<th>D1<\/th>\n<th>D2<\/th>\n<th>b<\/th>\n<th>f<\/th>\n<th>n-\u03a6d<\/th>\n<th>H<\/th>\n<th>D0<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>15<\/td>\n<td>1\/2\u2033<\/td>\n<td>108<\/td>\n<td>90<\/td>\n<td>60.3<\/td>\n<td>34.9<\/td>\n<td>10<\/td>\n<td>2<\/td>\n<td>4-16<\/td>\n<td>158<\/td>\n<td>100<\/td>\n<\/tr>\n<tr>\n<td>20<\/td>\n<td>3\/4\u2033<\/td>\n<td>117<\/td>\n<td>100<\/td>\n<td>69.9<\/td>\n<td>42.9<\/td>\n<td>10.9<\/td>\n<td>2<\/td>\n<td>4-16<\/td>\n<td>163<\/td>\n<td>100<\/td>\n<\/tr>\n<tr>\n<td>25<\/td>\n<td>1\u2033<\/td>\n<td>127<\/td>\n<td>110<\/td>\n<td>79.4<\/td>\n<td>50.8<\/td>\n<td>11.6<\/td>\n<td>2<\/td>\n<td>4-16<\/td>\n<td>193<\/td>\n<td>125<\/td>\n<\/tr>\n<tr>\n<td>32<\/td>\n<td>1-1\/4\u2033<\/td>\n<td>140<\/td>\n<td>115<\/td>\n<td>88.9<\/td>\n<td>63.5<\/td>\n<td>13.2<\/td>\n<td>2<\/td>\n<td>4-16<\/td>\n<td>250<\/td>\n<td>160<\/td>\n<\/tr>\n<tr>\n<td>40<\/td>\n<td>1-1\/2\u2033<\/td>\n<td>165<\/td>\n<td>125<\/td>\n<td>98.4<\/td>\n<td>73<\/td>\n<td>14.7<\/td>\n<td>2<\/td>\n<td>4-16<\/td>\n<td>285<\/td>\n<td>160<\/td>\n<\/tr>\n<tr>\n<td>50<\/td>\n<td>2\u2033<\/td>\n<td>178<\/td>\n<td>150<\/td>\n<td>120.7<\/td>\n<td>92.1<\/td>\n<td>16.3<\/td>\n<td>2<\/td>\n<td>4-19<\/td>\n<td>325<\/td>\n<td>180<\/td>\n<\/tr>\n<tr>\n<td>65<\/td>\n<td>2-1\/2\u2033<\/td>\n<td>190<\/td>\n<td>180<\/td>\n<td>139.7<\/td>\n<td>104.8<\/td>\n<td>17.9<\/td>\n<td>2<\/td>\n<td>4-19<\/td>\n<td>350<\/td>\n<td>190<\/td>\n<\/tr>\n<tr>\n<td>80<\/td>\n<td>3\u2033<\/td>\n<td>203<\/td>\n<td>190<\/td>\n<td>152.4<\/td>\n<td>127<\/td>\n<td>19.5<\/td>\n<td>2<\/td>\n<td>4-19<\/td>\n<td>380<\/td>\n<td>200<\/td>\n<\/tr>\n<tr>\n<td>100<\/td>\n<td>4\u2033<\/td>\n<td>229<\/td>\n<td>230<\/td>\n<td>190.5<\/td>\n<td>157.2<\/td>\n<td>24.3<\/td>\n<td>2<\/td>\n<td>8-19<\/td>\n<td>460<\/td>\n<td>230<\/td>\n<\/tr>\n<tr>\n<td>125<\/td>\n<td>5\u2033<\/td>\n<td>254<\/td>\n<td>255<\/td>\n<td>215.9<\/td>\n<td>185.7<\/td>\n<td>24.3<\/td>\n<td>2<\/td>\n<td>8-22<\/td>\n<td>630<\/td>\n<td>250<\/td>\n<\/tr>\n<tr>\n<td>150<\/td>\n<td>6\u2033<\/td>\n<td>267<\/td>\n<td>280<\/td>\n<td>241.3<\/td>\n<td>215.9<\/td>\n<td>25.9<\/td>\n<td>2<\/td>\n<td>8-22<\/td>\n<td>635<\/td>\n<td>260<\/td>\n<\/tr>\n<tr>\n<td>200<\/td>\n<td>8\u2033<\/td>\n<td>292<\/td>\n<td>345<\/td>\n<td>298.5<\/td>\n<td>269.9<\/td>\n<td>29<\/td>\n<td>2<\/td>\n<td>8-22<\/td>\n<td>765<\/td>\n<td>290<\/td>\n<\/tr>\n<tr>\n<td>250<\/td>\n<td>10\u2033<\/td>\n<td>330<\/td>\n<td>405<\/td>\n<td>362<\/td>\n<td>323.8<\/td>\n<td>30.6<\/td>\n<td>2<\/td>\n<td>12-26<\/td>\n<td>895<\/td>\n<td>330<\/td>\n<\/tr>\n<tr>\n<td>300<\/td>\n<td>12\u2033<\/td>\n<td>356<\/td>\n<td>485<\/td>\n<td>431.8<\/td>\n<td>381<\/td>\n<td>32.2<\/td>\n<td>2<\/td>\n<td>12-26<\/td>\n<td>1080<\/td>\n<td>350<\/td>\n<\/tr>\n<tr>\n<td>350<\/td>\n<td>14\u2033<\/td>\n<td>381<\/td>\n<td>535<\/td>\n<td>476.3<\/td>\n<td>412.8<\/td>\n<td>35.4<\/td>\n<td>2<\/td>\n<td>12-29<\/td>\n<td>1295<\/td>\n<td>380<\/td>\n<\/tr>\n<tr>\n<td>400<\/td>\n<td>16\u2033<\/td>\n<td>406<\/td>\n<td>595<\/td>\n<td>539.8<\/td>\n<td>469.9<\/td>\n<td>37<\/td>\n<td>2<\/td>\n<td>16-29<\/td>\n<td>1435<\/td>\n<td>400<\/td>\n<\/tr>\n<tr>\n<td>450<\/td>\n<td>18\u2033<\/td>\n<td>432<\/td>\n<td>635<\/td>\n<td>577.9<\/td>\n<td>533.4<\/td>\n<td>40.1<\/td>\n<td>2<\/td>\n<td>16-32<\/td>\n<td>1625<\/td>\n<td>430<\/td>\n<\/tr>\n<tr>\n<td>500<\/td>\n<td>20\u2033<\/td>\n<td>457<\/td>\n<td>700<\/td>\n<td>635<\/td>\n<td>584.2<\/td>\n<td>43.3<\/td>\n<td>2<\/td>\n<td>20-32<\/td>\n<td>1830<\/td>\n<td>450<\/td>\n<\/tr>\n<tr>\n<td>600<\/td>\n<td>24\u2033<\/td>\n<td>508<\/td>\n<td>815<\/td>\n<td>749.3<\/td>\n<td>692.2<\/td>\n<td>48.1<\/td>\n<td>2<\/td>\n<td>20-35<\/td>\n<td>2175<\/td>\n<td>500<\/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 12236, este <b data-path-to-node=\"1\" data-index-in-node=\"66\">V\u00e1lvula de reten\u00e7\u00e3o de ferro fundido nodular GB com giro<\/b> \u00e9 um componente de seguran\u00e7a cr\u00edtico projetado para prevenir o refluxo de meio e mitigar os efeitos do golpe de ar\u00edete em redes de tubula\u00e7\u00e3o industrial. O corpo da v\u00e1lvula \u00e9 fundido de precis\u00e3o em ferro fundido nodular de alta resist\u00eancia QT450-10, oferecendo propriedades mec\u00e2nicas excepcionais e resist\u00eancia \u00e0 fadiga para suportar transientes de press\u00e3o s\u00fabitos. Seu mecanismo especializado de piv\u00f4 tipo giro permite que o disco abra totalmente sob a press\u00e3o do fluido, garantindo resist\u00eancia m\u00ednima ao fluxo e queda de press\u00e3o; quando o fluxo cessa ou a press\u00e3o cai, o disco fecha rapidamente sob seu pr\u00f3prio peso e contrapress\u00e3o para alcan\u00e7ar um isolamento unidirecional preciso. A superf\u00edcie de assentamento \u00e9 acabada com precis\u00e3o (dispon\u00edvel em configura\u00e7\u00f5es resilientes ou metal-metal) para garantir um desempenho robusto e sem vazamentos sob diferentes diferenciais de press\u00e3o. Complementada por um revestimento em p\u00f3 de resina ep\u00f3xi eletrost\u00e1tica de alta espessura nas superf\u00edcies interna e externa, a v\u00e1lvula oferece resist\u00eancia superior \u00e0 corros\u00e3o a longo prazo, tornando-a uma escolha ideal para descarga de bombas e pontos finais de sistemas em setores de abastecimento de \u00e1gua, tratamento de esgoto, metalurgia e petroqu\u00edmica.<\/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":520,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[34,24],"product_tag":[],"class_list":["post-528","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\/528","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=528"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.yayevalve.com\/pt\/wp-json\/wp\/v2\/media\/520"}],"wp:attachment":[{"href":"https:\/\/www.yayevalve.com\/pt\/wp-json\/wp\/v2\/media?parent=528"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.yayevalve.com\/pt\/wp-json\/wp\/v2\/product_brand?post=528"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.yayevalve.com\/pt\/wp-json\/wp\/v2\/product_cat?post=528"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.yayevalve.com\/pt\/wp-json\/wp\/v2\/product_tag?post=528"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}