{"id":15689,"date":"2026-06-01T09:00:00","date_gmt":"2026-06-01T01:00:00","guid":{"rendered":"https:\/\/www.xintaivalves.com\/?p=15689"},"modified":"2026-06-25T12:29:28","modified_gmt":"2026-06-25T04:29:28","slug":"technical-guide-centric-butterfly-valve","status":"publish","type":"post","link":"https:\/\/www.xintaivalves.com\/fr\/blog\/butterfly-valve\/technical-guide-centric-butterfly-valve\/","title":{"rendered":"Qu'est-ce qu'une vanne papillon \u00e0 si\u00e8ge concentrique ? Un guide complet pour les acheteurs industriels"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_86 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table des mati\u00e8res<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Basculer la table des mati\u00e8res\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Basculer<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.xintaivalves.com\/fr\/blog\/butterfly-valve\/technical-guide-centric-butterfly-valve\/#How_a_Centric_Butterfly_Valve_Works\" >Comment fonctionne un clapet anti-retour centr\u00e9<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.xintaivalves.com\/fr\/blog\/butterfly-valve\/technical-guide-centric-butterfly-valve\/#Types_of_Centric_Butterfly_Valves_by_End_Connection\" >Types de clapets anti-retour centr\u00e9s par type de raccordement<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.xintaivalves.com\/fr\/blog\/butterfly-valve\/technical-guide-centric-butterfly-valve\/#Wafer_Type_Butterfly_Valve\" >Vanne papillon de type plaquette<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.xintaivalves.com\/fr\/blog\/butterfly-valve\/technical-guide-centric-butterfly-valve\/#Lug_Type_Butterfly_Valve\" >Vanne papillon \u00e0 oreilles<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.xintaivalves.com\/fr\/blog\/butterfly-valve\/technical-guide-centric-butterfly-valve\/#Double_Flanged_Butterfly_Valve\" >Clapet anti-retour \u00e0 double bride<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.xintaivalves.com\/fr\/blog\/butterfly-valve\/technical-guide-centric-butterfly-valve\/#What_are_the_Differences_Between_a_Centric_vs_Double_Offset_Butterfly_Valve\" >Quelles sont les diff\u00e9rences entre un clapet anti-retour centr\u00e9 et un clapet anti-retour \u00e0 double excentrique ?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.xintaivalves.com\/fr\/blog\/butterfly-valve\/technical-guide-centric-butterfly-valve\/#Design_Specifications_and_Materials\" >Sp\u00e9cifications de conception et mat\u00e9riaux<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.xintaivalves.com\/fr\/blog\/butterfly-valve\/technical-guide-centric-butterfly-valve\/#What_Are_the_Strengths_and_Weaknesses_of_CentricConcentric_Valves\" >Quels sont les avantages et les inconv\u00e9nients des clapets centr\u00e9s\/concentriques ?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.xintaivalves.com\/fr\/blog\/butterfly-valve\/technical-guide-centric-butterfly-valve\/#Where_Are_Concentric_or_Centric_Valves_Used_in_Industry\" >O\u00f9 sont utilis\u00e9s les clapets concentriques ou centr\u00e9s dans l'industrie ?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.xintaivalves.com\/fr\/blog\/butterfly-valve\/technical-guide-centric-butterfly-valve\/#How_to_Select_the_Right_Centric_or_Center-line_Butterfly_Valve\" >Comment choisir le bon clapet anti-retour centr\u00e9 ou \u00e0 ligne centrale<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.xintaivalves.com\/fr\/blog\/butterfly-valve\/technical-guide-centric-butterfly-valve\/#Conclusion\" >Conclusion<\/a><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">Le <strong>centr\u00e9<\/strong><a href=\"https:\/\/www.xintaivalves.com\/fr\/product\/centerline-wafer-type-butterfly-valve\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong> vanne papillon<\/strong><\/a> est une vanne quart de tour avec une tige et un disque centr\u00e9s qui assure le contr\u00f4le du d\u00e9bit marche\/arr\u00eat dans les syst\u00e8mes de tuyauterie industriels. Elle est \u00e9galement connue sous le nom de vanne papillon concentrique, \u00e0 ligne centrale ou \u00e0 d\u00e9calage nul.\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Son fonctionnement simple quart de tour est la raison pour laquelle elle est principalement utilis\u00e9e dans <a href=\"https:\/\/www.xintaivalves.com\/fr\/blog\/valves-for-water-treatment\/\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/www.xintaivalves.com\/blog\/valves-for-water-treatment\/\" rel=\"noreferrer noopener\">traitement de l&#039;eau<\/a>, la production d'\u00e9nergie et les industries de transformation chimique.\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ce guide fournit des informations sur la conception des <strong>clapets anti-retour concentriques<\/strong>, leur fonction, leurs types, leurs avantages et les domaines o\u00f9 ils peuvent \u00eatre utilis\u00e9s avec succ\u00e8s.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_a_Centric_Butterfly_Valve_Works\"><\/span><strong><br>Comment fonctionne un clapet anti-retour centr\u00e9<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"512\" src=\"https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724722-1024x512.webp\" alt=\"Comment fonctionne un clapet anti-retour centr\u00e9\" class=\"wp-image-15691\" style=\"width:564px;height:auto\" srcset=\"https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724722-1024x512.webp 1024w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724722-300x150.webp 300w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724722-768x384.webp 768w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724722-18x9.webp 18w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724722.webp 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Une vanne centr\u00e9e ou concentrique fonctionne avec une simple op\u00e9ration quart de tour et une conception simple. Conna\u00eetre ce principe de fonctionnement vous aide \u00e0 adapter la vanne aux bonnes conditions de service.\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cette configuration \u00e0 d\u00e9calage z\u00e9ro comprend trois composants align\u00e9s sur un seul axe central : la tige, le disque et le corps de la vanne. Parce que cet alignement concentrique sert de caract\u00e9ristique structurelle d\u00e9terminante, elle est class\u00e9e comme une vanne papillon concentrique ou \u00e0 d\u00e9calage z\u00e9ro.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le disque est mont\u00e9 sur un arbre centr\u00e9 et se trouve directement dans le trajet du flux. La rotation de l'arbre de 90 degr\u00e9s d\u00e9place le disque de compl\u00e8tement ouvert (parall\u00e8le au flux) \u00e0 compl\u00e8tement ferm\u00e9 (perpendiculaire au flux).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En position ferm\u00e9e, le disque comprime un joint torique \u00e9lastom\u00e8re r\u00e9silient. Le joint torique se d\u00e9forme l\u00e9g\u00e8rement sous pression. Cette d\u00e9formation \u00e9lastique cr\u00e9e une \u00e9tanch\u00e9it\u00e9 herm\u00e9tique qui emp\u00eache les fuites.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cette d\u00e9formation \u00e9lastique produit une \u00e9tanch\u00e9it\u00e9 herm\u00e9tique et une coupure bidirectionnelle sans fuite, certifi\u00e9e selon les normes de test API 598. Elle est \u00e9galement connue sous le nom de vanne papillon \u00e0 si\u00e8ge r\u00e9silient en raison de cette conception de si\u00e8ge \u00e9lastom\u00e8re.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Types_of_Centric_Butterfly_Valves_by_End_Connection\"><\/span><strong>Types de clapets anti-retour centr\u00e9s par type de raccordement<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img decoding=\"async\" width=\"1024\" height=\"512\" src=\"https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724723-1024x512.webp\" alt=\"3 types de clapets anti-retour concentriques par type de raccordement\" class=\"wp-image-15692\" style=\"width:646px;height:auto\" srcset=\"https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724723-1024x512.webp 1024w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724723-300x150.webp 300w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724723-768x384.webp 768w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724723-18x9.webp 18w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724723.webp 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Il existe trois principaux types de raccords d'extr\u00e9mit\u00e9 qui r\u00e9pondent \u00e0 diff\u00e9rents besoins d'installation et de service. Choisir le bon affecte le co\u00fbt d'installation, l'acc\u00e8s \u00e0 la maintenance et les performances \u00e0 long terme.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Wafer_Type_Butterfly_Valve\"><\/span><strong>Vanne papillon de type plaquette<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">La vanne papillon de type wafer s'ins\u00e8re entre deux brides de tuyau \u00e0 l'aide de boulons traversants. Le corps de la vanne n'a pas de brides int\u00e9grales. Cela permet de maintenir la conception compacte et l\u00e9g\u00e8re.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le type wafer est l'option la plus rentable pour le service g\u00e9n\u00e9ral. Standard <strong>Dimensions des vannes papillon de type wafer<\/strong> suivent API 609, BS EN 558-1 et ASME B16.10. La plage de tailles couvre DN 40 \u00e0 DN 600.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Lug_Type_Butterfly_Valve\"><\/span><strong>Vanne papillon \u00e0 oreilles<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Le <strong>vanne papillon \u00e0 ergot<\/strong> pr\u00e9sente des inserts filet\u00e9s moul\u00e9s dans le corps de la vanne. Chaque bride de tuyau se boulonne ind\u00e9pendamment \u00e0 la vanne. Cela permet de retirer un c\u00f4t\u00e9 de la canalisation sans perturber l'autre c\u00f4t\u00e9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Il convient au service en bout de ligne et aux syst\u00e8mes qui n\u00e9cessitent un retrait p\u00e9riodique de la tuyauterie en aval. Les usines de traitement et les r\u00e9seaux de distribution d'eau utilisent fr\u00e9quemment ce type.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Double_Flanged_Butterfly_Valve\"><\/span><strong>Clapet anti-retour \u00e0 double bride<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Le <strong>vanne papillon \u00e0 double bride<\/strong> a des brides int\u00e9grales des deux c\u00f4t\u00e9s. Elle se boulonne directement aux brides de tuyau correspondantes. Le corps plus lourd convient aux plus grandes tailles de tuyaux et aux conditions de service plus exigeantes. Ceci est enti\u00e8rement diff\u00e9rent d'une <strong>vanne papillon \u00e0 double excentration,<\/strong> qui sera discut\u00e9e dans la section suivante.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les conduites d'eau, les circuits de refroidissement des centrales \u00e9lectriques et les pipelines industriels de grand diam\u00e8tre utilisent ce type. Demandez le <strong>catalogue de vannes papillon \u00e0 double bride<\/strong> de Xintai Valve pour les d\u00e9tails de configuration.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_are_the_Differences_Between_a_Centric_vs_Double_Offset_Butterfly_Valve\"><\/span><strong>Quelles sont les diff\u00e9rences entre un clapet anti-retour centr\u00e9 et un clapet anti-retour \u00e0 double excentrique ?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La principale diff\u00e9rence entre une vanne papillon centr\u00e9e et une <strong><a href=\"https:\/\/www.xintaivalves.com\/fr\/knowledge-center\/difference-between-double-offset-and-triple-offset-butterfly-valve\/\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/www.xintaivalves.com\/knowledge-center\/difference-between-double-offset-and-triple-offset-butterfly-valve\/\" rel=\"noreferrer noopener\">vanne papillon \u00e0 double d\u00e9port<\/a><\/strong> r\u00e9side dans l'alignement de la tige ou du disque.\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Conna\u00eetre les diff\u00e9rences cl\u00e9s permet de gagner du temps et d'\u00e9viter des erreurs de sp\u00e9cification co\u00fbteuses.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Vanne papillon centr\u00e9e ou \u00e0 d\u00e9port z\u00e9ro<\/strong>: La tige s'aligne avec les lignes centrales du disque et du corps. Le si\u00e8ge est en mat\u00e9riau \u00e9lastom\u00e8re souple. Elle supporte les classes de pression standard : PN 6, PN 10, PN 16 et Classe 150. Elle convient aux liquides et gaz propres ou l\u00e9g\u00e8rement corrosifs.<\/li>\n\n\n\n<li><strong>Vanne papillon \u00e0 double d\u00e9port<\/strong>: La tige pr\u00e9sente deux d\u00e9ports par rapport \u00e0 la ligne centrale du disque. Le si\u00e8ge est en m\u00e9tal ou en PTFE. Elle supporte des pressions plus \u00e9lev\u00e9es, des temp\u00e9ratures \u00e9lev\u00e9es et des milieux abrasifs. Elle co\u00fbte plus cher mais prolonge la dur\u00e9e de vie dans des conditions difficiles.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">UN <strong>manuel de vanne papillon centr\u00e9e<\/strong> couvre g\u00e9n\u00e9ralement le fonctionnement quart de tour \u00e0 l'aide d'un levier manuel ou d'un r\u00e9ducteur. Le plateau de montage ISO 5211 accueille les actionneurs \u00e9lectriques, pneumatiques et hydrauliques.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Design_Specifications_and_Materials\"><\/span><strong>Sp\u00e9cifications de conception et mat\u00e9riaux<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ces param\u00e8tres d\u00e9finissent l'enveloppe de fonctionnement d'une vanne papillon standard centr\u00e9e ou \u00e0 d\u00e9port z\u00e9ro. Utilisez-les pour v\u00e9rifier la compatibilit\u00e9 avec votre syst\u00e8me de tuyauterie avant de sp\u00e9cifier.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Param\u00e8tre<\/strong><\/td><td><strong>Valeur<\/strong><\/td><\/tr><tr><td><strong>Gamme de taille<\/strong><\/td><td>DN 40 \u00e0 DN 600<\/td><\/tr><tr><td><strong>Note de pression<\/strong><\/td><td>PN 6 \/ PN 10 \/ PN 16 \/ Classe 150<\/td><\/tr><tr><td><strong>Norme de conception<\/strong><\/td><td>API 609 \/ BS EN 593 \/ IS: 13095<\/td><\/tr><tr><td><strong>Face \u00e0 face Dim.<\/strong><\/td><td>API 609 \/ BS EN 558-1 \/ ASME B16.10<\/td><\/tr><tr><td><strong>Testing Standard<\/strong><\/td><td>API 598 \/ BS EN 12266 Partie 1<\/td><\/tr><tr><td><strong>Montage de l'actionneur<\/strong><\/td><td>ISO 5211<\/td><\/tr><tr><td><strong>Per\u00e7age de bride<\/strong><\/td><td>ASME B16.5<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Mat\u00e9riaux du corps et du disque : <\/strong>Fonte, fonte ductile (rev\u00eatue de nylon ou d'\u00e9poxy), CF8, CF8M.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Mat\u00e9riaux du si\u00e8ge : <\/strong>EPDM, NBR, Viton, silicone, PTFE, Hypalon et N\u00e9opr\u00e8ne. S\u00e9lectionnez le mat\u00e9riau du si\u00e8ge en fonction du fluide et de ses propri\u00e9t\u00e9s chimiques.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Conception de la tige : <\/strong>Tige anti-soufflage. Emp\u00eache l'\u00e9jection de la tige sous pression. Permet un d\u00e9montage s\u00fbr de la vanne.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Maintien du si\u00e8ge : <\/strong>La conception du si\u00e8ge \u00e0 verrouillage central \u00e9limine le mouvement du si\u00e8ge pendant l'engagement et le d\u00e9sengagement du disque.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Are_the_Strengths_and_Weaknesses_of_CentricConcentric_Valves\"><\/span><strong>Quels sont les avantages et les inconv\u00e9nients des clapets centr\u00e9s\/concentriques ?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Pour aider les acheteurs \u00e0 faire des choix \u00e9clair\u00e9s, voici une comparaison des avantages et des inconv\u00e9nients des vannes papillon concentriques ou \u00e0 d\u00e9port z\u00e9ro.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Avantages<\/strong><\/td><td><strong>D\u00e9savantages<\/strong><\/td><\/tr><tr><td>Corps compact et l\u00e9ger. R\u00e9duit les besoins en support de tuyauterie et la main-d'\u0153uvre lors de l'installation.<\/td><td>La conception \u00e0 \u00e9tanch\u00e9it\u00e9 souple limite le service aux classes de pression PN 6 \u00e0 PN 16 \/ Classe 150.<\/td><\/tr><tr><td>Faible couple de fonctionnement. Permet des actionneurs plus petits et moins co\u00fbteux.<\/td><td>Non recommand\u00e9 pour la vapeur \u00e0 haute temp\u00e9rature sans s\u00e9lection correcte du mat\u00e9riau du si\u00e8ge.<\/td><\/tr><tr><td>Peu de pi\u00e8ces mobiles. R\u00e9duit la fr\u00e9quence de maintenance et le co\u00fbt total du cycle de vie.<\/td><td>The disc remains in the flow path when open. This creates a small but measurable pressure drop.<\/td><\/tr><tr><td>Bi-directional shut-off. Seals in both flow directions.<\/td><td><\/td><\/tr><tr><td>Wide seat material range. Handles most liquids, gases, and powders.<\/td><td><\/td><\/tr><tr><td>Line-sized body bore. Maximizes flow and minimizes pressure drop.<\/td><td><\/td><\/tr><tr><td>Serves both on\/off isolation and throttling\/flow control duties.<\/td><td><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Where_Are_Concentric_or_Centric_Valves_Used_in_Industry\"><\/span><strong>O\u00f9 sont utilis\u00e9s les clapets concentriques ou centr\u00e9s dans l'industrie ?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img decoding=\"async\" width=\"1024\" height=\"512\" src=\"https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724724-1024x512.webp\" alt=\"Clapets concentriques utilis\u00e9s dans l&#039;industrie\" class=\"wp-image-15693\" style=\"width:686px;height:auto\" srcset=\"https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724724-1024x512.webp 1024w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724724-300x150.webp 300w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724724-768x384.webp 768w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724724-18x9.webp 18w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724724.webp 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Le <strong>concentric butterfly valve<\/strong> serves a broad range of industries. Its adaptability to different media, pipe sizes, and actuation methods drives wide adoption.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">These valves are mainly used in:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Water and wastewater treatment: <\/strong>Coagulation, sedimentation, filtration, and disinfection. Handles large flow rates with tight shut-off.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/www.xintaivalves.com\/fr\/blog\/gate-valve\/power-plant-valves-guide-types-functions\/\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/www.xintaivalves.com\/blog\/gate-valve\/power-plant-valves-guide-types-functions\/\" rel=\"noreferrer noopener\">La production d&#039;\u00e9nergie<\/a>: <\/strong>Cooling water systems, condensate pipelines, and auxiliary services.<\/li>\n\n\n\n<li><strong>Chemical and petrochemical processing: <\/strong>PTFE and Viton seat options resist aggressive chemical media.<\/li>\n\n\n\n<li><strong>HVAC systems: <\/strong>Chilled water, hot water, and steam distribution in air handling units and ductwork.<\/li>\n\n\n\n<li><strong>Fire protection: <\/strong>R\u00e9seaux de bornes d'incendie, syst\u00e8mes d'arrosage et syst\u00e8mes d'extinction \u00e0 mousse.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/www.xintaivalves.com\/fr\/blog\/mining-industry-valve\/\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/www.xintaivalves.com\/blog\/mining-industry-valve\/\" rel=\"noreferrer noopener\">Exploitation mini\u00e8re<\/a> et traitement des min\u00e9raux : <\/strong>Manutention de boues avec disque en acier inoxydable \u00e0 haute teneur en chrome ou CF8M et s\u00e9lection de si\u00e8ge r\u00e9sistant \u00e0 la corrosion.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_to_Select_the_Right_Centric_or_Center-line_Butterfly_Valve\"><\/span><strong>Comment choisir le bon clapet anti-retour centr\u00e9 ou \u00e0 ligne centrale<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Utilisez cette liste de contr\u00f4le guid\u00e9e pour vous aider \u00e0 choisir la vanne adapt\u00e9e \u00e0 votre syst\u00e8me. Cela vous aidera \u00e0 \u00e9viter les erreurs de correspondance et \u00e0 pr\u00e9venir les co\u00fbts de maintenance ou de remplacement co\u00fbteux.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Quel est le type de m\u00e9dia ? <\/strong>Est-ce<strong> <\/strong>liquide, gaz, boue ou poudre ?<\/li>\n\n\n\n<li><strong>Quelles sont la pression et la temp\u00e9rature de fonctionnement ? <\/strong>Confirmez la classe PN requise et la compatibilit\u00e9 du mat\u00e9riau du si\u00e8ge.<\/li>\n\n\n\n<li><strong>Quel est le type de raccordement de la tuyauterie ? <\/strong>Est-ce<strong> <\/strong>\u00e0 bride, \u00e0 cosse ou \u00e0 double bride ?<\/li>\n\n\n\n<li><strong>Quelles sont la taille de la tuyauterie (DN) et les dimensions de face \u00e0 face ? <\/strong>Toujours<strong> <\/strong>se r\u00e9f\u00e9rer <strong>aux dimensions des vannes papillon de type \u00e0 bride<\/strong> dans le catalogue produits.<\/li>\n\n\n\n<li><strong>Quelle est la m\u00e9thode d'actionnement ? <\/strong>Est-ce un<strong> <\/strong>levier manuel, bo\u00eete de vitesses, actionneur \u00e9lectrique, pneumatique ou hydraulique ?<\/li>\n\n\n\n<li><strong>V\u00e9rifiez la compatibilit\u00e9 chimique : <\/strong>Assurez-vous de s\u00e9lectionner le mat\u00e9riau du si\u00e8ge en fonction des propri\u00e9t\u00e9s chimiques du fluide.<\/li>\n<\/ol>\n\n\n\n<style>\n  .hero-card {\n    display: flex;\n    flex-wrap: wrap;\n    align-items: center;\n    background: #f7f8fa;\n    border-radius: 16px;\n    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.05);\n    padding: 24px;\n    max-width: 900px;\n    margin: 40px auto;\n    font-family: 'Poppins', Arial, sans-serif;\n    text-decoration: none !important;\n    color: inherit;\n    transition: transform 0.3s ease, box-shadow 0.3s ease;\n  }\n\n  .hero-card:hover {\n    transform: translateY(-3px);\n    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);\n  }\n\n  .hero-image {\n    width: 220px;\n    height: auto;\n    border-radius: 12px;\n    object-fit: contain; \n    background: #ffffff;\n    flex-shrink: 0;\n  }\n\n  .hero-content {\n    padding-left: 24px;\n    flex: 1;\n    min-width: 260px;\n  }\n\n  .hero-title {\n    font-size: 1.6rem;\n    font-weight: bold;\n    margin-bottom: 12px;\n    color: #222;\n    font-family: 'Poppins', Arial, sans-serif;\n    text-transform: capitalize;\n  }\n\n  .hero-description {\n    font-size: 1rem;\n    color: #555;\n    margin-bottom: 18px;\n    line-height: 1.6;\n  }\n\n  .hero-link {\n    display: inline-block;\n    padding: 10px 20px;\n    background-color: #D70C19;\n    color: #fff !important;\n    text-decoration: none !important;\n    border-radius: 8px;\n    font-weight: bold;\n    transition: background 0.2s ease-in-out;\n  }\n\n  .hero-link:hover {\n    background-color: #a80913; \n  }\n\n  @media (max-width: 640px) {\n    .hero-card {\n      flex-direction: column;\n      text-align: center;\n    }\n    .hero-content {\n      padding-left: 0;\n      padding-top: 20px;\n    }\n    .hero-image {\n      width: 100%;\n      max-width: 280px;\n    }\n  }\n<\/style>\n\n<a class=\"hero-card\" href=\"https:\/\/www.xintaivalves.com\/fr\/products\/ptfe-lined-flanged-centerline-butterfly-valve\/\" target=\"_blank\" rel=\"noopener noreferrer\">\n  <img decoding=\"async\" class=\"hero-image\" src=\"https:\/\/xintaivalves.b-cdn.net\/wp-content\/uploads\/2026\/06\/%E4%B8%AD%E7%BA%BF%E8%A1%AC%E6%B0%9F%E6%B3%95%E5%85%B0%E8%9D%B6%E9%98%80.jpg\" alt=\"Clapet anti-retour \u00e0 axe central \u00e0 bride rev\u00eatu de PTFE pour fluides corrosifs\">\n  <div class=\"hero-content\">\n    <div class=\"hero-title\">Vanne papillon \u00e0 ligne m\u00e9diane avec bride et rev\u00eatement en PTFE<\/div>\n    <div class=\"hero-description\">\n      <strong>Capacit\u00e9 principale :<\/strong> Con\u00e7u sp\u00e9cifiquement pour la manipulation de fluides hautement corrosifs.<br>\n      <strong>Application industrielle :<\/strong> Solution OEM de confiance pour le traitement chimique, le traitement de l'eau, les installations pharmaceutiques et industrielles.\n    <\/div>\n    <span class=\"hero-link\">Voir les sp\u00e9cifications techniques<\/span>\n  <\/div>\n<\/a>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span><strong>Conclusion<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Le clapet anti-retour excentrique, \u00e0 z\u00e9ro d\u00e9calage ou \u00e0 axe central convient aux syst\u00e8mes industriels en raison de sa conception simple, de son faible co\u00fbt d'exploitation et de sa large gamme d'applications. Il traite les fluides aqueux, gazeux, chimiques et pulv\u00e9rulents dans les classes de pression les plus courantes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.xintaivalves.com\/fr\/\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/www.xintaivalves.com\/blog\/how-xintai-valve-supports-large-scale-epc-projects-globally\/\" rel=\"noreferrer noopener\">Vanne Xintai<\/a> con\u00e7oit des clapets anti-retour conform\u00e9ment aux normes API 609, BS EN 593, API 598, ASME B16.10 et ISO 5211. Ces types de clapets anti-retour comprennent les clapets concentriques, <a href=\"https:\/\/www.xintaivalves.com\/fr\/product\/double-eccentric-butterfly-valves\/\" target=\"_blank\" rel=\"noreferrer noopener\">double excentrique<\/a>, et <a href=\"https:\/\/www.xintaivalves.com\/fr\/product\/triple-eccentric-butterfly-valves\/\" target=\"_blank\" rel=\"noreferrer noopener\">vannes papillon triple excentrique<\/a><\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-fe48e5de wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-white-color has-vivid-red-background-color has-text-color has-background has-link-color has-medium-font-size has-custom-font-size wp-element-button\" href=\"https:\/\/www.xintaivalves.com\/fr\/contact\/\" style=\"font-style:normal;font-weight:500\" target=\"_blank\" rel=\"noreferrer noopener\">Obtenir un devis<\/a><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>The centric butterfly valve is a quarter-turn valve with a centered stem and disc that provides on\/off flow control in industrial piping systems. It is also known as a concentric, center-line, or zero-offset butterfly valve.\u00a0 Its simple quarter-turn operation is the reason why it is mainly used in water treatment, power generation, and chemical processing [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":15690,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-15689","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-butterfly-valve"],"_links":{"self":[{"href":"https:\/\/www.xintaivalves.com\/fr\/wp-json\/wp\/v2\/posts\/15689","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xintaivalves.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xintaivalves.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/fr\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/fr\/wp-json\/wp\/v2\/comments?post=15689"}],"version-history":[{"count":2,"href":"https:\/\/www.xintaivalves.com\/fr\/wp-json\/wp\/v2\/posts\/15689\/revisions"}],"predecessor-version":[{"id":15695,"href":"https:\/\/www.xintaivalves.com\/fr\/wp-json\/wp\/v2\/posts\/15689\/revisions\/15695"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/fr\/wp-json\/wp\/v2\/media\/15690"}],"wp:attachment":[{"href":"https:\/\/www.xintaivalves.com\/fr\/wp-json\/wp\/v2\/media?parent=15689"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xintaivalves.com\/fr\/wp-json\/wp\/v2\/categories?post=15689"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xintaivalves.com\/fr\/wp-json\/wp\/v2\/tags?post=15689"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}