{"id":505,"date":"2026-04-15T14:43:27","date_gmt":"2026-04-15T06:43:27","guid":{"rendered":"https:\/\/www.yayevalve.com\/?post_type=product&#038;p=505"},"modified":"2026-04-15T14:58:40","modified_gmt":"2026-04-15T06:58:40","slug":"gb-casting-ductile-iron-electric-gate-valve","status":"publish","type":"product","link":"https:\/\/www.yayevalve.com\/fr\/product\/gb-casting-ductile-iron-electric-gate-valve\/","title":{"rendered":"Vanne \u00e0 opercule en fonte ductile moul\u00e9e GB"},"content":{"rendered":"<h2>Caract\u00e9ristiques structurelles de<\/h2>\n<ul>\n<li data-start=\"158\" data-end=\"313\">\n<p data-start=\"160\" data-end=\"313\">Le corps est moul\u00e9 en <b data-path-to-node=\"10,1,0\" data-index-in-node=\"31\">fonte ductile \u00e0 haute r\u00e9sistance QT450-10<\/b>, offrant un allongement et une r\u00e9sistance \u00e0 la traction bien sup\u00e9rieurs \u00e0 ceux de la fonte grise. Cela permet \u00e0 la vanne d'absorber les contraintes lors des surtensions de pression ou des coups de b\u00e9lier dans les <b data-path-to-node=\"10,1,0\" data-index-in-node=\"217\">r\u00e9seaux d'eau municipaux<\/b>, emp\u00eachant la rupture fragile et garantissant l'int\u00e9grit\u00e9 structurelle de la canalisation.<\/p>\n<\/li>\n<li data-start=\"315\" data-end=\"481\">\n<p data-start=\"317\" data-end=\"481\">L'actionneur <b data-path-to-node=\"12,1,0\" data-index-in-node=\"25\">\u00e9lectrique multi-tours<\/b> mont\u00e9 sur le dessus int\u00e8gre des modules de contr\u00f4le avanc\u00e9s prenant en charge les commandes \u00e0 distance par API ou DCS. Les op\u00e9rateurs peuvent surveiller pr\u00e9cis\u00e9ment la position de la vanne depuis une salle de contr\u00f4le centrale sans visite sur site, ce qui la rend parfaite pour les <b data-path-to-node=\"12,1,0\" data-index-in-node=\"251\">stations de pompage sans personnel<\/b> ou l' <b data-path-to-node=\"12,1,0\" data-index-in-node=\"289\">automatisation des processus industriels<\/b>.<\/p>\n<\/li>\n<li data-start=\"483\" data-end=\"649\">\n<p data-start=\"485\" data-end=\"649\">\u00e0 grande \u00e9chelle. La structure robuste du coin de vanne g\u00e9n\u00e8re une forte pression d'\u00e9tanch\u00e9it\u00e9 m\u00e9canique lors de la fermeture. Combin\u00e9e au couple de sortie \u00e9lev\u00e9 de l'actionneur, la vanne obtient une fermeture sans fuite m\u00eame sous <b data-path-to-node=\"14,1,0\" data-index-in-node=\"203\">haute pression diff\u00e9rentielle<\/b>, agissant comme une vanne d'isolement principale tr\u00e8s fiable pour <b data-path-to-node=\"14,1,0\" data-index-in-node=\"284\">les pipelines de transport longue distance<\/b>.<\/p>\n<\/li>\n<li data-start=\"651\" data-end=\"843\">\n<p data-start=\"978\" data-end=\"1166\">Les surfaces internes et externes sont trait\u00e9es avec <b data-path-to-node=\"16,1,0\" data-index-in-node=\"62\">un rev\u00eatement en poudre \u00e9poxy \u00e9lectrostatique<\/b>, cr\u00e9ant une barri\u00e8re protectrice dense. Cela emp\u00eache la corrosion due au sol ou au milieu et respecte <b data-path-to-node=\"16,1,0\" data-index-in-node=\"188\">les normes d'hygi\u00e8ne de l'eau potable<\/b>, \u00e9vitant la contamination secondaire et prolongeant la dur\u00e9e de vie de la vanne dans des environnements enterr\u00e9s difficiles.<\/p>\n<\/li>\n<li data-start=\"651\" data-end=\"843\">\n<p data-start=\"978\" data-end=\"1166\">L'actionneur est dot\u00e9 d'une <b data-path-to-node=\"18,1,0\" data-index-in-node=\"46\">manivelle manuelle ind\u00e9pendante et d'un levier de d\u00e9brayage<\/b>, permettant aux techniciens de passer rapidement en mode manuel lors de coupures de courant ou de mise en service. La manivelle est facile \u00e0 utiliser, garantissant que la vanne peut \u00eatre ouverte ou ferm\u00e9e en toute s\u00e9curit\u00e9 en cas d'urgence extr\u00eame, offrant une barri\u00e8re de s\u00e9curit\u00e9 finale pour <b data-path-to-node=\"18,1,0\" data-index-in-node=\"322\">les syst\u00e8mes de contr\u00f4le des inondations<\/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-506 size-full\" src=\"https:\/\/www.yayevalve.com\/wp-content\/uploads\/2026\/04\/222.png\" alt=\"\" width=\"487\" height=\"775\" srcset=\"https:\/\/www.yayevalve.com\/wp-content\/uploads\/2026\/04\/222.png 487w, https:\/\/www.yayevalve.com\/wp-content\/uploads\/2026\/04\/222-314x500.png 314w, https:\/\/www.yayevalve.com\/wp-content\/uploads\/2026\/04\/222-189x300.png 189w, https:\/\/www.yayevalve.com\/wp-content\/uploads\/2026\/04\/222-8x12.png 8w, https:\/\/www.yayevalve.com\/wp-content\/uploads\/2026\/04\/222-47x75.png 47w, https:\/\/www.yayevalve.com\/wp-content\/uploads\/2026\/04\/222-480x764.png 480w\" sizes=\"auto, (max-width:767px) 480px, 487px\" \/><\/p>\n<h2>Mat\u00e9riaux des composants principaux<\/h2>\n<table border=\"1\" cellspacing=\"0\" cellpadding=\"8\">\n<thead>\n<tr>\n<th>NON<\/th>\n<th>Pi\u00e8ce<\/th>\n<th>Mat\u00e9riaux<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>6<\/td>\n<td>Bonnette<\/td>\n<td>QT450-10<\/td>\n<\/tr>\n<tr>\n<td>5<\/td>\n<td>Tige<\/td>\n<td>2Cr13<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>Vis<\/td>\n<td>6.8<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>Calage<\/td>\n<td>NBR<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>Disque<\/td>\n<td>QT450-10+EPDM<\/td>\n<\/tr>\n<tr>\n<td>1<\/td>\n<td>Corps<\/td>\n<td>QT450-10<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Dimensions de la connexion principale 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-\u03c6<\/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-\u03c618<\/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-\u03c618<\/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-\u03c618<\/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-\u03c618<\/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-\u03c618<\/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-\u03c622<\/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-\u03c622<\/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-\u03c626<\/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-\u03c626<\/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-\u03c626<\/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-\u03c630<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Pourquoi choisir 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>Strictement con\u00e7u conform\u00e9ment aux normes GB\/T 12232, ce <b data-path-to-node=\"1\" data-index-in-node=\"66\">vanne \u00e0 opercule \u00e9lectrique en fonte ductile GB<\/b> est un composant essentiel pour le contr\u00f4le automatis\u00e9 \u00e0 distance dans les syst\u00e8mes d'approvisionnement en eau municipale, de traitement des eaux us\u00e9es et de circulation d'eau industrielle. Le corps est moul\u00e9 avec pr\u00e9cision en fonte ductile \u00e0 haute r\u00e9sistance (QT450-10), offrant une t\u00e9nacit\u00e9 m\u00e9canique et une r\u00e9sistance \u00e0 la pression exceptionnelles pour r\u00e9sister efficacement aux effets de coup de b\u00e9lier et aux fluctuations de pression intenses. Dot\u00e9e d'une conception de coin r\u00e9silient enti\u00e8rement encapsul\u00e9 associ\u00e9e \u00e0 un passage d'\u00e9coulement \u00e0 fond plat profil\u00e9, la vanne obtient une fermeture \u00e9tanche aux bulles bidirectionnelle, tandis que son architecture \u00e0 passage int\u00e9gral minimise consid\u00e9rablement la perte de charge et l'accumulation de s\u00e9diments. L'actionneur \u00e9lectrique multi-tours haute performance mont\u00e9 sur le dessus prend en charge divers signaux de contr\u00f4le (tels que 4-20mA ou marche\/arr\u00eat), int\u00e9grant une protection contre les surcharges et un retour de position pr\u00e9cis pour garantir une pr\u00e9cision de r\u00e9ponse \u00e0 la milliseconde dans le contr\u00f4le de processus complexe. De plus, les surfaces internes et externes sont rev\u00eatues d'une poudre de r\u00e9sine \u00e9poxy \u00e9lectrostatique, ce qui am\u00e9liore la r\u00e9sistance \u00e0 la corrosion et garantit la puret\u00e9 du fluide, offrant une dur\u00e9e de vie prolong\u00e9e et des exigences de maintenance minimales dans divers environnements de traitement de l'eau et de milieux neutres.<\/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\">Indice de pression :<\/strong>1,0 \u2013 42,0 MPa<\/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\">Plage de tailles :<\/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\">Temp\u00e9rature de fonctionnement :<\/strong> -29\u00b0C \u00e0 266\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\">Normes :<\/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\">Mat\u00e9riaux :<\/strong> Acier au carbone, Acier inoxydable, Acier alli\u00e9, Alliages sp\u00e9ciaux<\/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\">Fonctionnement :<\/strong> Manuel, Engrenage, \u00c9lectrique, Pneumatique<\/p>\n<\/li>\n<\/ul>","protected":false},"featured_media":504,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[36,17],"product_tag":[],"class_list":["post-505","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\/fr\/wp-json\/wp\/v2\/product\/505","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.yayevalve.com\/fr\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.yayevalve.com\/fr\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/www.yayevalve.com\/fr\/wp-json\/wp\/v2\/comments?post=505"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.yayevalve.com\/fr\/wp-json\/wp\/v2\/media\/504"}],"wp:attachment":[{"href":"https:\/\/www.yayevalve.com\/fr\/wp-json\/wp\/v2\/media?parent=505"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.yayevalve.com\/fr\/wp-json\/wp\/v2\/product_brand?post=505"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.yayevalve.com\/fr\/wp-json\/wp\/v2\/product_cat?post=505"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.yayevalve.com\/fr\/wp-json\/wp\/v2\/product_tag?post=505"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}