{"id":44353,"date":"2026-09-30T03:56:05","date_gmt":"2026-09-30T03:56:05","guid":{"rendered":"https:\/\/valve-atlas.com\/industrial-check-valves\/dual-plate-wafer-check-valve\/"},"modified":"2026-09-30T03:56:05","modified_gmt":"2026-09-30T03:56:05","slug":"dual-plate-wafer-check-valve","status":"publish","type":"page","link":"https:\/\/valve-atlas.com\/fr_ca\/industrial-check-valves\/dual-plate-wafer-check-valve\/","title":{"rendered":"Clapet anti-retour \u00e0 double plaque : API 594, classe 150\u20132500"},"content":{"rendered":"<div class=\"vx-page\"><section class=\"vx-intro vx-intro-has-media\"><div class=\"vx-intro-text\"><nav class=\"vx-crumbs\" aria-label=\"chapelure\"><a href=\"\/\">Accueil<\/a><i>\/<\/i><a href=\"\/industrial-valves\/\">Vannes industrielles<\/a><i>\/<\/i><a href=\"\/industrial-check-valves\/\">Clapets anti-retour industriels<\/a><i>\/<\/i><span>Clapet anti-retour \u00e0 double plaque<\/span><\/nav><p class=\"vx-eyebrow\">Clapets anti-retour industriels<\/p><div class=\"vx-lead\"><p>Dans un clapet anti-retour \u00e0 double disque, deux demi-disques se ferment autour d&#039;un axe central gr\u00e2ce \u00e0 un ressort. Son faible encombrement et son poids r\u00e9duit lui permettent de remplacer un clapet anti-retour \u00e0 battant. De plus, sa fermeture rapide \u00e0 l&#039;arr\u00eat du d\u00e9bit limite les coups de b\u00e9lier dans les conduites de la pompe.<\/p><\/div><div class=\"vx-chips\"><span>API 594<\/span><span>ASME B16.5<\/span><span>API 598<\/span><span>Plaquette \/ cosse \/ bride<\/span><\/div><div class=\"vx-actions\"><a class=\"vx-btn\" href=\"\/contact\/\">Demander un devis<\/a><a class=\"vx-btn vx-btn-line\" href=\"\/wp-content\/uploads\/2026\/09\/valveatlas-datasheet-dual-plate-wafer-check-valve.pdf\" target=\"_blank\" rel=\"noopener\">T\u00e9l\u00e9charger la fiche technique (PDF)<\/a><\/div><\/div><figure class=\"vx-intro-media\"><img fetchpriority=\"high\" decoding=\"async\" class=\"vx-intro-img wp-image-44273\" src=\"\/wp-content\/uploads\/2026\/09\/dual-plate-wafer-check-valve-768x576.jpg\" srcset=\"\/wp-content\/uploads\/2026\/09\/dual-plate-wafer-check-valve-300x225.jpg 300w, \/wp-content\/uploads\/2026\/09\/dual-plate-wafer-check-valve-768x576.jpg 768w, \/wp-content\/uploads\/2026\/09\/dual-plate-wafer-check-valve-1024x768.jpg 1024w, \/wp-content\/uploads\/2026\/09\/dual-plate-wafer-check-valve.jpg 1200w\" sizes=\"(max-width: 900px) 100vw, 480px\" width=\"1200\" height=\"900\" alt=\"Wafer type dual plate check valve\" loading=\"eager\"><\/figure><\/section>\n<h2 class=\"vx-h2\">Aper\u00e7u<\/h2><p>Les ressorts commencent \u00e0 fermer les plaques avant que la vitesse d&#039;\u00e9coulement ne s&#039;annule, assurant ainsi leur mise en place avant l&#039;apparition d&#039;un reflux et r\u00e9duisant les surpressions. Les mod\u00e8les \u00e0 plaquettes sont fix\u00e9s entre les brides par les boulons de bride\u00a0; les mod\u00e8les \u00e0 pattes et \u00e0 double bride conviennent aux applications en fin de ligne et facilitent leur d\u00e9montage. La conception et les essais sont conformes aux normes API 594 et API 598. Pour une comparaison avec les conceptions \u00e0 flux oscillant et axial, voir [r\u00e9f\u00e9rence manquante]. <a href=\"\/2026\/04\/17\/check-valve-types-explained\/\">Explication des diff\u00e9rents types de clapets anti-retour<\/a>.<\/p>\n<h2 class=\"vx-h2\">Sp\u00e9cifications techniques<\/h2><div class=\"vx-table-wrap\"><table class=\"vx-table vx-spec\"><tbody><tr><th scope=\"row\">Taper<\/th><td>Plaquette, cosse, \u00e0 double bride ; conception sans dispositif de retenue ou \u00e0 goupille<\/td><\/tr><tr><th scope=\"row\">classe de pression<\/th><td>Classe ASME 150\u20132500<\/td><\/tr><tr><th scope=\"row\">Connexions terminales<\/th><td>Entre les brides ASME B16.5 \/ B16.47<\/td><\/tr><tr><th scope=\"row\">Si\u00e8ge<\/th><td>M\u00e9tal (rev\u00eatu dur) ou \u00e9lastom\u00e8re (NBR, EPDM, FKM)<\/td><\/tr><tr><th scope=\"row\">Mat\u00e9riels<\/th><td>WCB, LCC, CF8M, duplex ; plaques 316 \/ duplex ; ressorts en Inconel<\/td><\/tr><tr><th scope=\"row\">Essai<\/th><td>API 598<\/td><\/tr><\/tbody><\/table><\/div>\n<h2 class=\"vx-h2\">Caract\u00e9ristiques principales<\/h2><ul class=\"vx-check\"><li>Court face-\u00e0-face et faible poids<\/li><li>Fermeture rapide assist\u00e9e par ressort pour \u00e9viter les coups de b\u00e9lier<\/li><li>installation \u00e0 flux ascendant horizontal et vertical<\/li><li>Option de si\u00e8ge en m\u00e9tal ou en \u00e9lastom\u00e8re<\/li><\/ul>\n<h2 class=\"vx-h2\">Dimensions face \u00e0 face de la plaquette (API 594, mm)<\/h2><p>Les clapets anti-retour \u00e0 double plaque de type wafer sont fix\u00e9s entre deux brides \u00e0 l&#039;aide de goujons ; les dimensions face \u00e0 face suivent la norme API 594 et sont approximativement 1\/3 \u00e0 1\/6 de celles d&#039;un clapet anti-retour \u00e0 battant de m\u00eame taille et de m\u00eame classe.<\/p><div class=\"vx-table-wrap\"><table class=\"vx-table\"><thead><tr><th scope=\"col\">NPS<\/th><th scope=\"col\">DN<\/th><th scope=\"col\">Classe 150<\/th><th scope=\"col\">Classe 300<\/th><th scope=\"col\">Classe 600<\/th><\/tr><\/thead><tbody><tr><td>2<\/td><td>50<\/td><td>60<\/td><td>60<\/td><td>60<\/td><\/tr><tr><td>2\u00bd<\/td><td>65<\/td><td>67<\/td><td>67<\/td><td>67<\/td><\/tr><tr><td>3<\/td><td>80<\/td><td>73<\/td><td>73<\/td><td>73<\/td><\/tr><tr><td>4<\/td><td>100<\/td><td>73<\/td><td>73<\/td><td>79<\/td><\/tr><tr><td>6<\/td><td>150<\/td><td>98<\/td><td>98<\/td><td>136<\/td><\/tr><tr><td>8<\/td><td>200<\/td><td>127<\/td><td>127<\/td><td>165<\/td><\/tr><tr><td>10<\/td><td>250<\/td><td>146<\/td><td>146<\/td><td>213<\/td><\/tr><tr><td>12<\/td><td>300<\/td><td>181<\/td><td>181<\/td><td>229<\/td><\/tr><tr><td>14<\/td><td>350<\/td><td>184<\/td><td>222<\/td><td>273<\/td><\/tr><tr><td>16<\/td><td>400<\/td><td>191<\/td><td>232<\/td><td>305<\/td><\/tr><tr><td>18<\/td><td>450<\/td><td>203<\/td><td>264<\/td><td>362<\/td><\/tr><tr><td>20<\/td><td>500<\/td><td>219<\/td><td>292<\/td><td>368<\/td><\/tr><tr><td>24<\/td><td>600<\/td><td>222<\/td><td>318<\/td><td>438<\/td><\/tr><\/tbody><\/table><\/div><p class=\"vx-note\">Les raccords \u00e0 oreilles et \u00e0 double bride conformes \u00e0 la norme API 594 type A pr\u00e9sentent la m\u00eame dimension d&#039;entraxe\u00a0; les raccords \u00e0 double bride existent \u00e9galement en version longue. Les dimensions exactes sont indiqu\u00e9es sur le plan d&#039;ensemble fourni avec le devis.<\/p><h2 class=\"vx-h2\">Mat\u00e9riaux des pi\u00e8ces<\/h2><div class=\"vx-table-wrap\"><table class=\"vx-table\"><thead><tr><th scope=\"col\">Partie<\/th><th scope=\"col\">acier au carbone<\/th><th scope=\"col\">Acier inoxydable<\/th><\/tr><\/thead><tbody><tr><td>Corps<\/td><td>A216 WCB (si\u00e8ge \u00e0 rev\u00eatement dur)<\/td><td>A351 CF8M (si\u00e8ge \u00e0 rev\u00eatement dur)<\/td><\/tr><tr><td>Plaques (disques)<\/td><td>Rechargement dur A216 WCB + CoCr<\/td><td>A351 CF8M + Rechargement dur CoCr<\/td><\/tr><tr><td>Axe de charni\u00e8re<\/td><td>A276 410<\/td><td>A276 316<\/td><\/tr><tr><td>Printemps<\/td><td>Alliage X-750<\/td><td>Alliage X-750 \/ SS316<\/td><\/tr><tr><td>ressort de retenue<\/td><td>A182 F6a<\/td><td>A182 F316<\/td><\/tr><\/tbody><\/table><\/div><p>Sur demande : corps duplex (A995 4A \/ F51), en bronze d&#039;aluminium et en alliage de nickel ; versions \u00e0 si\u00e8ge souple (EPDM, NBR, FKM) pour service dans l&#039;eau.<\/p>\n<h2 class=\"vx-h2\">Documentation et tests<\/h2><p>Dans le cadre de projets industriels, la documentation technique est aussi importante que la vanne elle-m\u00eame. Nous confirmons la certification et le p\u00e9rim\u00e8tre des tests pour chaque \u00e9l\u00e9ment d\u00e8s l&#039;\u00e9tablissement du devis.<\/p><ul class=\"vx-check\"><li><strong>EN 10204 3.1 certificats de mat\u00e9riaux<\/strong> pour les pi\u00e8ces sous pression et en contact avec le fluide, tra\u00e7abilit\u00e9 par num\u00e9ro de coul\u00e9e<\/li><li><strong>EN 10204 3.2<\/strong> avec inspection par un tiers, sur demande<\/li><li><strong>Rapports d&#039;essais de pression<\/strong> essais de coque, de si\u00e8ge et, le cas \u00e9ch\u00e9ant, de gaz, conformes aux normes API 598 ou EN 12266-1<\/li><li><strong>Certificats d&#039;essai au feu<\/strong> (API 607 \/ ISO 10497) pour les conceptions test\u00e9es en mati\u00e8re de r\u00e9sistance au feu<\/li><li><strong>Rapports PMI<\/strong> pour les mat\u00e9riaux en alliage et en acier inoxydable<\/li><li><strong>Rapports d&#039;inspection dimensionnelle, visuelle et de rev\u00eatement<\/strong><\/li><li><strong>D\u00e9claration CE PDSE 2014\/68\/UE<\/strong> pour les \u00e9quipements relevant de son champ d&#039;application<\/li><li><strong>D\u00e9claration de conformit\u00e9 NACE MR0175 \/ ISO 15156<\/strong> pour service acide (H\u2082S)<\/li><\/ul>\n<h2 class=\"vx-h2\">Fiche technique<\/h2><ul class=\"vx-dl-list\"><li><a href=\"\/wp-content\/uploads\/2026\/09\/valveatlas-datasheet-dual-plate-wafer-check-valve.pdf\" target=\"_blank\" rel=\"noopener\"><span class=\"vx-pdf\">PDF<\/span><span class=\"vx-dl-t\">Clapet anti-retour \u00e0 double plaque : fiche technique<\/span><span class=\"vx-dl-m\">PDF \u00b7 Anglais \u00b7 2\u20133 pages<\/span><\/a><\/li><\/ul>\n<section class=\"vx-faq\"><h2 class=\"vx-h2\">Foire aux questions<\/h2><details class=\"vx-faq-item\"><summary>Comment un clapet anti-retour \u00e0 double plaque r\u00e9duit-il le coup de b\u00e9lier ?<\/summary><div class=\"vx-faq-a\"><p>L&#039;assistance d&#039;un ressort force les plaques \u00e0 se fermer pendant la d\u00e9c\u00e9l\u00e9ration du flux, de sorte que la vanne se ferme avant que la vitesse du flux inverse ne se d\u00e9veloppe. Ceci r\u00e9duit la surpression (coup de b\u00e9lier) caus\u00e9e par l&#039;arr\u00eat brutal du flux inverse.<\/p><\/div><\/details><details class=\"vx-faq-item\"><summary>Type \u00e0 plaquette ou \u00e0 cosse ?<\/summary><div class=\"vx-faq-a\"><p>Le mod\u00e8le \u00e0 plaquette est \u00e9conomique et l\u00e9ger\u00a0; il est fix\u00e9 entre deux brides. Le mod\u00e8le \u00e0 pattes, dot\u00e9 de pattes filet\u00e9es, est privil\u00e9gi\u00e9 pour les interventions en fin de ligne ou lorsque la maintenance est n\u00e9cessaire sans d\u00e9montage de la bride.<\/p><\/div><\/details><\/section>\n<h2 class=\"vx-h2\">Produits associ\u00e9s<\/h2><div class=\"vx-grid\"><a class=\"vx-card vx-card-media\" href=\"\/industrial-check-valves\/swing-check-valve\/\"><div class=\"vx-card-img\"><img class=\"vx-thumb wp-image-44270 lazyload\" data-src=\"\/wp-content\/uploads\/2026\/09\/flanged-swing-check-valve-768x576.jpg\" data-srcset=\"\/wp-content\/uploads\/2026\/09\/flanged-swing-check-valve-300x225.jpg 300w, \/wp-content\/uploads\/2026\/09\/flanged-swing-check-valve-768x576.jpg 768w, \/wp-content\/uploads\/2026\/09\/flanged-swing-check-valve-1024x768.jpg 1024w, \/wp-content\/uploads\/2026\/09\/flanged-swing-check-valve.jpg 1200w\" data-sizes=\"auto, (max-width: 700px) 100vw, 380px\" width=\"1200\" height=\"900\" alt=\"Flanged swing check valve\" decoding=\"async\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1200px; --smush-placeholder-aspect-ratio: 1200\/900;\"><\/div><div class=\"vx-card-body\"><h3>Clapet anti-retour oscillant<\/h3><p>Capot boulonn\u00e9, si\u00e8ge rempla\u00e7able ; faible perte de charge, option de raclage.<\/p><span class=\"vx-more\">Voir les d\u00e9tails<\/span><\/div><\/a><a class=\"vx-card vx-card-media\" href=\"\/industrial-check-valves\/axial-flow-nozzle-check-valve\/\"><div class=\"vx-card-img\"><img class=\"vx-thumb wp-image-44272 lazyload\" data-src=\"\/wp-content\/uploads\/2026\/09\/axial-flow-nozzle-check-valve-768x576.jpg\" data-srcset=\"\/wp-content\/uploads\/2026\/09\/axial-flow-nozzle-check-valve-300x225.jpg 300w, \/wp-content\/uploads\/2026\/09\/axial-flow-nozzle-check-valve-768x576.jpg 768w, \/wp-content\/uploads\/2026\/09\/axial-flow-nozzle-check-valve-1024x768.jpg 1024w, \/wp-content\/uploads\/2026\/09\/axial-flow-nozzle-check-valve.jpg 1200w\" data-sizes=\"auto, (max-width: 700px) 100vw, 380px\" width=\"1200\" height=\"900\" alt=\"Axial flow (nozzle) check valve\" decoding=\"async\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1200px; --smush-placeholder-aspect-ratio: 1200\/900;\"><\/div><div class=\"vx-card-body\"><h3>Clapet anti-retour pour buse \u00e0 flux axial<\/h3><p>2\u2033\u201360\u2033, Classe 150\u20131500; disque \u00e0 ressort, fermeture sans claquement, faible perte de charge.<\/p><span class=\"vx-more\">Voir les d\u00e9tails<\/span><\/div><\/a><\/div>\n<section class=\"vx-cta\"><div><h2>Demande de devis\u00a0: Clapet anti-retour \u00e0 double plaque<\/h2><p>Partagez votre liste de vannes, votre fiche technique ou le cahier des charges de votre projet. Nous examinons les normes, les mat\u00e9riaux et la documentation ligne par ligne et vous soumettons une offre d\u00e9taill\u00e9e, toute d\u00e9rogation au cahier des charges \u00e9tant mentionn\u00e9e par \u00e9crit.<\/p><\/div><div class=\"vx-cta-actions\"><a class=\"vx-btn\" href=\"\/contact\/\">Demander un devis<\/a><a class=\"vx-cta-link\" href=\"mailto:info@valve-atlas.com\">info@valve-atlas.com<\/a><a class=\"vx-cta-link\" href=\"tel:+16475537109\">+1 (647) 553-7109<\/a><\/div><\/section><\/div>","protected":false},"excerpt":{"rendered":"<p>Home\/Industrial Valves\/Industrial Check Valves\/Dual Plate Wafer Check Valve Industrial Check Valves In a dual plate check valve, two half discs close around a central hinge pin with spring assistance. Its short face-to-face and low weight allow it to replace a swing check valve, and because it closes quickly when flow stops, it reduces water hammer&hellip;<\/p>","protected":false},"author":1,"featured_media":0,"parent":44327,"menu_order":17,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"iawp_total_views":2,"footnotes":""},"class_list":["post-44353","page","type-page","status-publish","hentry","description-off"],"acf":[],"_links":{"self":[{"href":"https:\/\/valve-atlas.com\/fr_ca\/wp-json\/wp\/v2\/pages\/44353","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/valve-atlas.com\/fr_ca\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/valve-atlas.com\/fr_ca\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/valve-atlas.com\/fr_ca\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/valve-atlas.com\/fr_ca\/wp-json\/wp\/v2\/comments?post=44353"}],"version-history":[{"count":0,"href":"https:\/\/valve-atlas.com\/fr_ca\/wp-json\/wp\/v2\/pages\/44353\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/valve-atlas.com\/fr_ca\/wp-json\/wp\/v2\/pages\/44327"}],"wp:attachment":[{"href":"https:\/\/valve-atlas.com\/fr_ca\/wp-json\/wp\/v2\/media?parent=44353"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}