{"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\/fr\/product\/gb-cast-swing-ductile-iron-check-valve\/","title":{"rendered":"Clapet anti-retour \u00e0 battant 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=\"160\" data-end=\"313\">\u00a0Utilisant de l'acier inoxydable <b data-path-to-node=\"10,1,0\" data-index-in-node=\"19\">Fonte ductile QT450-10<\/b> avec un <b data-path-to-node=\"10,1,0\" data-index-in-node=\"48\">taux d'allongement de 10%<\/b>, la vanne pr\u00e9sente une t\u00e9nacit\u00e9 exceptionnelle contre les pulsations de pression instantan\u00e9es caus\u00e9es par une d\u00e9faillance de pompe dans les <b data-path-to-node=\"10,1,0\" data-index-in-node=\"178\">r\u00e9seaux municipaux<\/b>. Ce mat\u00e9riau r\u00e9duit consid\u00e9rablement le risque de rupture, offrant une r\u00e9sistance sismique et une s\u00e9curit\u00e9 op\u00e9rationnelle sup\u00e9rieures par rapport aux alternatives en fonte grise.<\/p>\n<\/li>\n<li data-start=\"315\" data-end=\"481\">\n<p data-start=\"317\" data-end=\"481\">La conception interne profil\u00e9e \u00e0 passage int\u00e9gral garantit une r\u00e9sistance au flux minimale lorsque le disque est compl\u00e8tement ouvert. Dans les <b data-path-to-node=\"12,1,0\" data-index-in-node=\"115\">syst\u00e8mes de pompes circulantes \u00e0 grande \u00e9chelle<\/b>, cette caract\u00e9ristique r\u00e9duit consid\u00e9rablement la perte de pression du fluide, am\u00e9liorant l'efficacit\u00e9 du transfert tout en r\u00e9duisant la consommation d'\u00e9nergie \u00e0 long terme et les co\u00fbts d'exploitation.<\/p>\n<\/li>\n<li data-start=\"483\" data-end=\"649\">\n<p data-start=\"485\" data-end=\"649\">S'appuyant sur la double force de la gravit\u00e9 du disque et de la contre-pression du m\u00e9dia, la vanne se r\u00e9initialise et se ferme instantan\u00e9ment lorsque la vitesse du flux atteint z\u00e9ro. Ce contr\u00f4le unidirectionnel pr\u00e9cis emp\u00eache efficacement le reflux, offrant une protection 24h\/24 et 7j\/7 pour les <b data-path-to-node=\"14,1,0\" data-index-in-node=\"231\">pompes centrifuges et les d\u00e9bitm\u00e8tres de pr\u00e9cision<\/b> contre les dommages m\u00e9caniques caus\u00e9s par les surtensions inverses.<\/p>\n<\/li>\n<li data-start=\"651\" data-end=\"843\">\n<p data-start=\"653\" data-end=\"843\">\u00a0Les surfaces internes et externes pr\u00e9sentent un <b data-path-to-node=\"16,1,0\" data-index-in-node=\"56\">un rev\u00eatement en poudre \u00e9poxy \u00e9lectrostatique<\/b>, cr\u00e9ant une couche protectrice uniforme de plus de 250 \u00b5m d'\u00e9paisseur. Cette barri\u00e8re anticorrosion prot\u00e8ge le corps du sol acide et respecte <b data-path-to-node=\"16,1,0\" data-index-in-node=\"218\">les normes d'hygi\u00e8ne de l'eau potable<\/b>, garantissant la puret\u00e9 des m\u00e9dias et r\u00e9solvant les probl\u00e8mes de pollution secondaire de l'eau.<\/p>\n<\/li>\n<li data-start=\"845\" data-end=\"1043\">\n<p data-start=\"847\" data-end=\"1043\">L'actionneur <b data-path-to-node=\"18,1,0\" data-index-in-node=\"25\">\u00e0 chapeau boulonn\u00e9<\/b> l'architecture permet le retrait du disque pour le nettoyage ou le remplacement du joint sans retirer la vanne de la ligne. Cela r\u00e9duit consid\u00e9rablement les temps d'arr\u00eat lors de la maintenance de routine dans <b data-path-to-node=\"18,1,0\" data-index-in-node=\"218\">les r\u00e9seaux \u00e9lectriques industriels<\/b>, r\u00e9duisant l'intensit\u00e9 de la main-d'\u0153uvre et la complexit\u00e9 op\u00e9rationnelle pour les techniciens.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"20,1,0\">Fabriqu\u00e9s en stricte conformit\u00e9 avec <b data-path-to-node=\"20,1,0\" data-index-in-node=\"48\">normes GB\/T<\/b>, les brides sont compatibles avec plusieurs configurations de trous, garantissant un ajustement parfait avec les principaux composants de la tuyauterie. Cette haute standardisation \u00e9limine les d\u00e9calages de taille courants dans <b data-path-to-node=\"20,1,0\" data-index-in-node=\"238\">les projets d'infrastructure outre-mer<\/b>, rendant l'assemblage sur site plus rapide, plus fiable et tr\u00e8s polyvalent.<\/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>Mat\u00e9riaux des pi\u00e8ces principales<\/h2>\n<table border=\"1\" cellspacing=\"0\" cellpadding=\"8\">\n<tbody>\n<tr>\n<th>Nom<\/th>\n<th colspan=\"9\">Mat\u00e9riau<\/th>\n<\/tr>\n<tr>\n<td>Corps \/ Bonnets<\/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>Coin<\/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>Joint<\/td>\n<td colspan=\"4\">PTFE<\/td>\n<td colspan=\"5\">Graphite<\/td>\n<\/tr>\n<tr>\n<td>Boulon<\/td>\n<td colspan=\"5\">Acier inoxydable<\/td>\n<td colspan=\"4\">35CrMoA<\/td>\n<\/tr>\n<tr>\n<td>\u00c9crou<\/td>\n<td colspan=\"5\">Acier inoxydable<\/td>\n<td colspan=\"4\">45, 35CrMoA<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Dimensions de la connexion principale Classe 150LB<\/h2>\n<table border=\"1\">\n<thead>\n<tr>\n<th>DN<\/th>\n<th>TAILLE<\/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>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 data-start=\"474\" data-end=\"857\">Strictement con\u00e7u conform\u00e9ment aux normes GB\/T 12236, ce <b data-path-to-node=\"1\" data-index-in-node=\"66\">clapet anti-retour \u00e0 battant en fonte ductile GB<\/b> est un composant de s\u00e9curit\u00e9 essentiel con\u00e7u pour emp\u00eacher le reflux du fluide et att\u00e9nuer les effets du coup de b\u00e9lier dans les r\u00e9seaux de tuyauterie industriels. Le corps de la vanne est moul\u00e9 avec pr\u00e9cision en fonte ductile QT450-10 \u00e0 haute r\u00e9sistance, offrant des propri\u00e9t\u00e9s m\u00e9caniques exceptionnelles et une r\u00e9sistance \u00e0 la fatigue pour supporter les transitoires de pression soudains. Son m\u00e9canisme de pivot sp\u00e9cial \u00e0 battant permet au disque de s'ouvrir compl\u00e8tement sous la pression du fluide, assurant une r\u00e9sistance au flux et une perte de charge minimales ; lorsque le flux cesse ou que la pression diminue, le disque se ferme rapidement sous son propre poids et la contre-pression pour obtenir une isolation unidirectionnelle pr\u00e9cise. La surface d'\u00e9tanch\u00e9it\u00e9 est finie avec pr\u00e9cision (disponible en configurations r\u00e9silientes ou m\u00e9tal sur m\u00e9tal) pour garantir des performances robustes et sans fuite sous diff\u00e9rents diff\u00e9rentiels de pression. Compl\u00e9t\u00e9e par un rev\u00eatement en poudre de r\u00e9sine \u00e9poxy \u00e9lectrostatique \u00e0 forte \u00e9paisseur sur les surfaces internes et externes, la vanne offre une r\u00e9sistance sup\u00e9rieure \u00e0 la corrosion \u00e0 long terme, ce qui en fait un choix id\u00e9al pour les d\u00e9charges de pompe et les points d'extr\u00e9mit\u00e9 de syst\u00e8me dans les secteurs de l'approvisionnement en eau, du traitement des eaux us\u00e9es, de la m\u00e9tallurgie et de la p\u00e9trochimie.<\/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> 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\">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 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\">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":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\/fr\/wp-json\/wp\/v2\/product\/528","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=528"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.yayevalve.com\/fr\/wp-json\/wp\/v2\/media\/520"}],"wp:attachment":[{"href":"https:\/\/www.yayevalve.com\/fr\/wp-json\/wp\/v2\/media?parent=528"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.yayevalve.com\/fr\/wp-json\/wp\/v2\/product_brand?post=528"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.yayevalve.com\/fr\/wp-json\/wp\/v2\/product_cat?post=528"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.yayevalve.com\/fr\/wp-json\/wp\/v2\/product_tag?post=528"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}