{"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\/fr\/product\/gb-cast-ductile-iron-rising-stem-gate-valve\/","title":{"rendered":"Vanne \u00e0 opercule \u00e0 tige montante en fonte ductile GB"},"content":{"rendered":"<h2>Caract\u00e9ristiques structurelles de<\/h2>\n<ul>\n<li data-start=\"158\" data-end=\"313\">\n<p data-start=\"664\" data-end=\"910\">La <b data-path-to-node=\"10,1,0\" data-index-in-node=\"13\">La tige montante<\/b> garantit que la position verticale de la tige refl\u00e8te directement le degr\u00e9 d'ouverture de la vanne. Cela permet aux op\u00e9rateurs de confirmer visuellement l'\u00e9tat du d\u00e9bit \u00e0 distance, d'\u00e9viter les op\u00e9rations accidentelles et d'\u00e9liminer les dommages au si\u00e8ge caus\u00e9s par un serrage excessif courant dans les conceptions \u00e0 tige non montante.<\/p>\n<\/li>\n<li data-start=\"315\" data-end=\"481\">\n<p data-start=\"317\" data-end=\"481\">Utilisant un <b data-path-to-node=\"12,1,0\" data-index-in-node=\"27\">Fonte ductile QT450<\/b>, le corps pr\u00e9sente une \u00e9longation et une r\u00e9sistance aux chocs sup\u00e9rieures, am\u00e9liorant la r\u00e9silience du syst\u00e8me contre les surtensions de pression ou les effets de coup de b\u00e9lier. Ce mat\u00e9riau att\u00e9nue efficacement les risques de fracture dans les sc\u00e9narios complexes de tassement du sol, fournissant une base fiable pour les r\u00e9seaux d'approvisionnement en eau industrielle et de protection incendie.<\/p>\n<\/li>\n<li data-start=\"483\" data-end=\"649\">\n<p data-start=\"1308\" data-end=\"1555\">Les filetages de la tige sont log\u00e9s sur un joug externe, les isolant des fluides internes en circulation. Cette disposition emp\u00eache l'\u00e9rosion des filetages d'entra\u00eenement par les impuret\u00e9s ou les fluides corrosifs, maintient la lubrification \u00e0 long terme et assure <b data-path-to-node=\"14,1,0\" data-index-in-node=\"240\">un fonctionnement fluide et sans effort<\/b> m\u00eame dans les r\u00e9seaux de tuyauterie \u00e0 haute capacit\u00e9.<\/p>\n<\/li>\n<li data-start=\"651\" data-end=\"843\">\n<p data-start=\"978\" data-end=\"1166\">Les surfaces de la vanne subissent un processus uniforme de <b data-path-to-node=\"16,1,0\" data-index-in-node=\"46\">rev\u00eatement par poudre \u00e9lectrostatique<\/b>, cr\u00e9ant une barri\u00e8re protectrice bleue dense qui prot\u00e8ge le substrat en fer de l'oxydation atmosph\u00e9rique. Cette finition de qualit\u00e9 industrielle est non seulement esth\u00e9tiquement professionnelle, mais prolonge \u00e9galement la dur\u00e9e de vie de la vanne dans les salles de pompes humides ou les installations ext\u00e9rieures, r\u00e9duisant les cycles de maintenance.<\/p>\n<\/li>\n<li data-start=\"845\" data-end=\"1043\">\n<p data-start=\"1361\" data-end=\"1847\">Le canal d'\u00e9coulement interne pr\u00e9sente une conception de <b data-path-to-node=\"18,1,0\" data-index-in-node=\"46\">si\u00e8ge \u00e0 fond plat<\/b> , \u00e9liminant le probl\u00e8me courant o\u00f9 les s\u00e9diments ou les d\u00e9bris s'accumulent \u00e0 la base et emp\u00eachent une \u00e9tanch\u00e9it\u00e9 parfaite. Coupl\u00e9 \u00e0 une soupape \u00e0 coin r\u00e9siliente enti\u00e8rement encapsul\u00e9e, il expulse ou absorbe les petites particules lors de la fermeture pour maintenir <b data-path-to-node=\"18,1,0\" data-index-in-node=\"287\">\u00e9tanche aux bulles<\/b> d'arr\u00eat, garantissant l'int\u00e9grit\u00e9 totale du syst\u00e8me.<\/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>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-\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>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 et GB\/T 17241.6, ce <b data-path-to-node=\"1\" data-index-in-node=\"83\">robinet \u00e0 soupape \u00e0 passage direct \u00e0 tige montante en fonte ductile GB (OS&amp;Y)<\/b> est une solution de premier ordre pour l'isolement de fluides de haute fiabilit\u00e9 dans les r\u00e9seaux de tuyauterie industriels et municipaux. Le corps de la vanne est moul\u00e9 avec pr\u00e9cision en fonte ductile QT450-10 \u00e0 haute r\u00e9sistance, offrant une r\u00e9sistance \u00e0 la compression et une ductilit\u00e9 exceptionnelles pour absorber efficacement les contraintes m\u00e9caniques et les charges de dilatation thermique au sein du syst\u00e8me. La configuration sp\u00e9cialis\u00e9e <b data-path-to-node=\"1\" data-index-in-node=\"474\">configuration tige \u00e0 vis ext\u00e9rieure et culasse (OS&amp;Y)<\/b> isole les filetages de la tige des fluides de proc\u00e9d\u00e9, emp\u00eachant l'\u00e9rosion et la corrosion tout en fournissant une indication visuelle claire de la position de la vanne gr\u00e2ce au d\u00e9placement vertical de la tige. Son m\u00e9canisme d'\u00e9tanch\u00e9it\u00e9 principal utilise une soupape \u00e0 coin r\u00e9siliente enti\u00e8rement encapsul\u00e9e associ\u00e9e \u00e0 un trajet d'\u00e9coulement \u00e0 fond plat usin\u00e9 avec pr\u00e9cision, garantissant une \u00e9tanch\u00e9it\u00e9 bidirectionnelle, \u00e9tanche aux bulles et \u00e9liminant l'accumulation de s\u00e9diments. Compl\u00e9t\u00e9 par un rev\u00eatement en poudre \u00e9poxy \u00e9lectrostatique de haute qualit\u00e9, de qualit\u00e9 alimentaire, la vanne offre une r\u00e9sistance sup\u00e9rieure \u00e0 la corrosion tout en pr\u00e9servant la puret\u00e9 des fluides transport\u00e9s, tels que l'eau potable, l'eau de refroidissement CVC et les fluides neutres, ce qui en fait un choix id\u00e9al pour l'approvisionnement en eau urbaine, la protection incendie, le traitement de l'eau industrielle et les syst\u00e8mes d'\u00e9gouts.<\/p>\n<table data-path-to-node=\"1\">\n<thead>\n<tr>\n<td><strong>Description<\/strong><\/td>\n<td><strong>Valeur<\/strong><\/td>\n<td><strong>Unit\u00e9<\/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\">Pression Nominale (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\">Pression d'\u00e9preuve : Pression d'\u00e9preuve de coque<\/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\">Pression d'\u00e9preuve : Pression d'\u00e9preuve d'\u00e9tanch\u00e9it\u00e9<\/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\">Pression d'\u00e9preuve : Pression d'\u00e9preuve \u00e0 l'air<\/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. appropri\u00e9e.<\/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\">Milieu appropri\u00e9<\/b><\/span><\/td>\n<td><span data-path-to-node=\"1,7,1,0\">Eau, Vapeur, Huile (W.A.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\/fr\/wp-json\/wp\/v2\/product\/516","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=516"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.yayevalve.com\/fr\/wp-json\/wp\/v2\/media\/517"}],"wp:attachment":[{"href":"https:\/\/www.yayevalve.com\/fr\/wp-json\/wp\/v2\/media?parent=516"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.yayevalve.com\/fr\/wp-json\/wp\/v2\/product_brand?post=516"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.yayevalve.com\/fr\/wp-json\/wp\/v2\/product_cat?post=516"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.yayevalve.com\/fr\/wp-json\/wp\/v2\/product_tag?post=516"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}