{"id":15650,"date":"2026-06-15T09:50:00","date_gmt":"2026-06-15T01:50:00","guid":{"rendered":"https:\/\/www.xintaivalves.com\/?p=15650"},"modified":"2026-06-25T12:34:59","modified_gmt":"2026-06-25T04:34:59","slug":"what-difference-double-flanged-vs-lug-butterfly-valves","status":"publish","type":"post","link":"https:\/\/www.xintaivalves.com\/fr\/blog\/butterfly-valve\/what-difference-double-flanged-vs-lug-butterfly-valves\/","title":{"rendered":"Vanne papillon \u00e0 double bride vs type cosse : laquelle votre syst\u00e8me n\u00e9cessite-t-il ?"},"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\/what-difference-double-flanged-vs-lug-butterfly-valves\/#What_Is_a_Double-Flanged_Butterfly_Valve\" >Qu'est-ce qu'une vanne papillon \u00e0 double bride ?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.xintaivalves.com\/fr\/blog\/butterfly-valve\/what-difference-double-flanged-vs-lug-butterfly-valves\/#What_Makes_the_Single_Flange_Butterfly_Valve_Different\" >Qu'est-ce qui diff\u00e9rencie la vanne papillon \u00e0 bride simple ?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.xintaivalves.com\/fr\/blog\/butterfly-valve\/what-difference-double-flanged-vs-lug-butterfly-valves\/#Key_Structural_Differences_at_a_Glance\" >Diff\u00e9rences structurelles cl\u00e9s en un coup d'\u0153il<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.xintaivalves.com\/fr\/blog\/butterfly-valve\/what-difference-double-flanged-vs-lug-butterfly-valves\/#Pressure_Ratings_Which_Valve_Handles_More\" >Pression nominale : quelle vanne supporte le plus ?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.xintaivalves.com\/fr\/blog\/butterfly-valve\/what-difference-double-flanged-vs-lug-butterfly-valves\/#Double-Flanged_Butterfly_Valve_Sizes_Dimensions_and_Bolting\" >Tailles, dimensions et boulonnage des vannes papillon \u00e0 double bride<\/a><\/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\/what-difference-double-flanged-vs-lug-butterfly-valves\/#Installation_and_Maintenance_Comparison\" >Comparaison de l'installation et de la maintenance<\/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\/what-difference-double-flanged-vs-lug-butterfly-valves\/#Which_Valve_Type_Fits_Your_System\" >Quel type de vanne convient \u00e0 votre syst\u00e8me ?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.xintaivalves.com\/fr\/blog\/butterfly-valve\/what-difference-double-flanged-vs-lug-butterfly-valves\/#Choose_a_double-flanged_valve_when\" >Choisissez une vanne \u00e0 double bride lorsque :<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.xintaivalves.com\/fr\/blog\/butterfly-valve\/what-difference-double-flanged-vs-lug-butterfly-valves\/#Choose_a_lug-type_butterfly_valve_when\" >Choisissez une vanne papillon de type cosse lorsque :<\/a><\/li><\/ul><\/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\/what-difference-double-flanged-vs-lug-butterfly-valves\/#Conclusion\" >Conclusion<\/a><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">Diff\u00e9rents types de vannes sont n\u00e9cessaires dans votre syst\u00e8me pour diff\u00e9rentes raisons. La distinction entre une vanne \u00e0 cosse et une vanne \u00e0 bride d\u00e9pend de la mani\u00e8re dont elles sont install\u00e9es.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Lors de la s\u00e9lection d&#039;un <a href=\"https:\/\/www.xintaivalves.com\/fr\/product\/double-eccentric-butterfly-valves\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>vanne papillon \u00e0 double bride<\/strong><\/a> ou une vanne \u00e0 cosse, consid\u00e9rez les d\u00e9penses cl\u00e9s \u00e0 long terme. Vous devez \u00e9valuer \u00e0 la fois les co\u00fbts d'installation initiaux et les futures d\u00e9penses de maintenance.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cet article compare les deux types en termes d'installation, de gestion de la pression, de dimensionnement et d'ad\u00e9quation \u00e0 l'application.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Is_a_Double-Flanged_Butterfly_Valve\"><\/span><strong>Qu'est-ce qu'une vanne papillon \u00e0 double bride ?<\/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\u72472-1024x512.webp\" alt=\"Vanne papillon \u00e0 double bride\" class=\"wp-image-15654\" style=\"width:550px;height:auto\" srcset=\"https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u72472-1024x512.webp 1024w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u72472-300x150.webp 300w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u72472-768x384.webp 768w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u72472-18x9.webp 18w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u72472.webp 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Une vanne \u00e0 double bride ou \u00e0 double excentrique pr\u00e9sente des brides int\u00e9grales aux deux extr\u00e9mit\u00e9s. Celles-ci se boulonnent directement aux brides de tuyauterie adjacentes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Il y a un disque rotatif le long d'un axe qui r\u00e9gule le flux de fluide. La pression est uniform\u00e9ment r\u00e9partie sur tout le disque en raison des brides.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le corps est g\u00e9n\u00e9ralement en fonte ductile, en acier moul\u00e9 WCB et en acier inoxydable. <a href=\"https:\/\/www.xintaivalves.com\/fr\/butterfly-valve-collection\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Vanne papillon \u00e0 double bride <\/strong><\/a><strong>fabricants<\/strong> produire ces vannes selon les normes dimensionnelles ANSI, DIN, API et JIS.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Makes_the_Single_Flange_Butterfly_Valve_Different\"><\/span><strong>Qu'est-ce qui diff\u00e9rencie la vanne papillon \u00e0 bride simple ?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Cette conception diff\u00e8re d'une <strong>vanne papillon \u00e0 bride simple<\/strong> (type wafer). Une vanne wafer n'a pas de bride int\u00e9gr\u00e9e. Elle repose sur les brides de tuyauterie adjacentes pour la compression.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Aucun boulon traversant n'est requis. Un c\u00f4t\u00e9 de la conduite peut \u00eatre d\u00e9viss\u00e9 et retir\u00e9 sans perturber l'autre. Cela rend les vannes \u00e0 pattes adapt\u00e9es au service en bout de ligne.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les mat\u00e9riaux des si\u00e8ges comprennent l'EPDM et le PTFE, qui r\u00e9sistent aux milieux corrosifs ou chimiquement actifs. La fonte ductile, le WCB et l'acier inoxydable sont les mat\u00e9riaux du corps, similaires au type \u00e0 double bride.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La plage de tailles typique va de DN50 (2\u2033) \u00e0 DN600 (24\u2033). Les vannes \u00e0 pattes p\u00e8sent moins que les \u00e9quivalents \u00e0 double bride de m\u00eame al\u00e9sage.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Key_Structural_Differences_at_a_Glance\"><\/span><strong>Diff\u00e9rences structurelles cl\u00e9s en un coup d'\u0153il<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Le tableau ci-dessous r\u00e9sume les diff\u00e9rences structurelles et op\u00e9rationnelles critiques.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Fonctionnalit\u00e9<\/strong><\/td><td><strong>Vanne papillon double excentrique<\/strong><\/td><td><strong>Vanne papillon \u00e0 oreilles<\/strong><\/td><\/tr><tr><td><strong>M\u00e9thode de connexion<\/strong><\/td><td>Les brides int\u00e9gr\u00e9es se boulonnent aux deux brides de tuyauterie<\/td><td>Les pattes filet\u00e9es se boulonnent ind\u00e9pendamment \u00e0 chaque bride<\/td><\/tr><tr><td><strong>Service en bout de ligne<\/strong><\/td><td>Non recommand\u00e9 sans modification<\/td><td>Oui, un c\u00f4t\u00e9 peut \u00eatre isol\u00e9<\/td><\/tr><tr><td><strong>Poids du corps<\/strong><\/td><td>Dimension face-\u00e0-face plus lourde et plus grande<\/td><td>Profil plus l\u00e9ger et plus compact<\/td><\/tr><tr><td><strong>Sch\u00e9ma de boulonnage<\/strong><\/td><td><strong>Boulonnage de vanne papillon \u00e0 double bride<\/strong>: jeu complet de goujons traversant les deux brides<\/td><td>Boulons s\u00e9par\u00e9s dans chaque cosse, pas de boulons traversants n\u00e9cessaires<\/td><\/tr><tr><td><strong>Normes<\/strong><\/td><td>ANSI, DIN, API, JIS. Voir le <strong>tableau des dimensions des vannes papillon \u00e0 double bride<\/strong> dans le produit <strong><a href=\"https:\/\/www.xintaivalves.com\/fr\/blog\/butterfly-valve\/what-double-flange-butterfly-valve\/\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/www.xintaivalves.com\/blog\/butterfly-valve\/what-double-flange-butterfly-valve\/\" rel=\"noreferrer noopener\">vanne papillon \u00e0 double bride<\/a> catalogue<\/strong><\/td><td>Les m\u00eames normes s'appliquent ; une dimension face-\u00e0-face plus courte<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Pressure_Ratings_Which_Valve_Handles_More\"><\/span><strong>Pression nominale : quelle vanne supporte le plus ?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Les performances de pression sont souvent le facteur d\u00e9cisif entre ces deux types de vannes. Les ing\u00e9nieurs doivent v\u00e9rifier les sp\u00e9cifications avant de finaliser les d\u00e9tails.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les conceptions de vannes \u00e0 double bride supportent une contrainte m\u00e9canique plus \u00e9lev\u00e9e car les brides int\u00e9grales r\u00e9partissent la charge uniform\u00e9ment sur toute la face. Cela am\u00e9liore la coh\u00e9rence de l'\u00e9tanch\u00e9it\u00e9 dans des conditions de haute pression.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ces vannes conviennent aux services \u00e0 haute pression, haute temp\u00e9rature et corrosifs. Les applications courantes comprennent le transport de p\u00e9trole et de gaz, les conduites d'eau de grand diam\u00e8tre et la production d'\u00e9nergie.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les vannes \u00e0 cosse fonctionnent bien dans les services \u00e0 basse et moyenne pression. Les pressions nominales peuvent diminuer lorsqu'elles sont utilis\u00e9es dans des applications en bout de ligne. V\u00e9rifiez toujours la pression nominale par rapport aux conditions r\u00e9elles du syst\u00e8me.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pour les diam\u00e8tres de canalisation sup\u00e9rieurs \u00e0 DN400, la vanne papillon \u00e0 double excentrique offre une plus grande stabilit\u00e9 structurelle. Consultez le <strong>PDF de la vanne papillon \u00e0 double bride<\/strong> de votre fournisseur pour les tableaux de d\u00e9tarage pression-temp\u00e9rature.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Double-Flanged_Butterfly_Valve_Sizes_Dimensions_and_Bolting\"><\/span><strong>Tailles, dimensions et boulonnage des vannes papillon \u00e0 double bride<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" width=\"397\" height=\"499\" src=\"https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u72473.webp\" alt=\"Clapet anti-retour \u00e0 double bride\" class=\"wp-image-15656\" style=\"aspect-ratio:0.7955965118436514;width:181px;height:auto\" srcset=\"https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u72473.webp 397w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u72473-239x300.webp 239w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u72473-10x12.webp 10w\" sizes=\"(max-width: 397px) 100vw, 397px\" \/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">Les acheteurs doivent toujours confirmer le dimensionnement et \u00e9valuer le certificat <strong>catalogue de vannes papillon \u00e0 double bride<\/strong> avant de commander. Cela permet d'\u00e9viter des erreurs co\u00fbteuses lors de l'approvisionnement.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Tailles des vannes papillon \u00e0 double bride<\/strong> vont g\u00e9n\u00e9ralement de DN50 (2\u2033) \u00e0 DN2000 (80\u2033) pour les grands projets d'infrastructure.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les dimensions face \u00e0 face suivent les normes ANSI B16.10, EN 558 S\u00e9rie 13\/14, ou <a href=\"https:\/\/www.xintaivalves.com\/fr\/blog\/standard\/understanding-the-standard-api-valve\/\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/www.xintaivalves.com\/blog\/standard\/understanding-the-standard-api-valve\/\" rel=\"noreferrer noopener\">Normes API<\/a>. <strong>Double bride <a href=\"https:\/\/www.xintaivalves.com\/fr\/blog\/butterfly-valve\/butterfly-valve-dimensions\/\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/www.xintaivalves.com\/blog\/butterfly-valve\/butterfly-valve-dimensions\/\" rel=\"noreferrer noopener\">dimensions de la vanne papillon<\/a><\/strong> varient selon la classe de pression et le diam\u00e8tre nominal. Une <strong>PDF de la vanne papillon \u00e0 double bride<\/strong> fiche technique de votre fournisseur fournit le tableau dimensionnel complet.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pour r\u00e9f\u00e9rence rapide, les exemples de face \u00e0 face ANSI incluent :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>DN80 (3\u2033) : env. 216 mm (8,5\u2033)<\/li>\n\n\n\n<li>DN150 (6\u2033) : env. 368 mm (14,5\u2033)<\/li>\n\n\n\n<li>DN200 (8\u2033) : env. 444 mm (17,5\u2033)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Boulonnerie des vannes papillon \u00e0 double bride<\/strong> n\u00e9cessite des goujons et des \u00e9crous pour fixer simultan\u00e9ment les deux brides. Le diam\u00e8tre du cercle de boulons, le nombre de boulons et la taille des boulons suivent les normes applicables ANSI Classe 150\/300 ou PN10\/PN16.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les vannes \u00e0 cosse utilisent des boulons plus courts et s\u00e9par\u00e9s qui se vissent dans chaque cosse. Moins de boulons signifient un d\u00e9montage plus rapide lors de l'entretien.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Installation_and_Maintenance_Comparison\"><\/span><strong>Comparaison de l'installation et de la maintenance<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Le co\u00fbt total du projet est d\u00e9termin\u00e9 par la facilit\u00e9 d'installation d'une vanne. Les deux types de vannes n\u00e9cessitent des approches diff\u00e9rentes pour la pr\u00e9paration du site et la planification de la maintenance.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L'installation d'une vanne \u00e0 double bride n\u00e9cessite un alignement pr\u00e9cis des brides des deux c\u00f4t\u00e9s avant le serrage de l'ensemble des boulons. Le r\u00e9sultat est un assemblage rigide et \u00e9tanche, con\u00e7u pour un service permanent.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les vannes \u00e0 pattes se boulonnent ind\u00e9pendamment \u00e0 chaque bride. Les \u00e9quipes peuvent retirer la tuyauterie en aval sans perturber la pression en amont. Cela simplifie les syst\u00e8mes n\u00e9cessitant un remplacement fr\u00e9quent des composants.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D'un point de vue co\u00fbt, les vannes \u00e0 pattes ont un co\u00fbt unitaire inf\u00e9rieur et p\u00e8sent moins. La vanne \u00e0 double bride a un prix plus \u00e9lev\u00e9 mais offre des performances constantes dans des services exigeants et de longue dur\u00e9e.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Which_Valve_Type_Fits_Your_System\"><\/span><strong>Quel type de vanne convient \u00e0 votre syst\u00e8me ?<\/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\u72474-1024x512.webp\" alt=\"Which Valve Type Fits Your System\" class=\"wp-image-15657\" style=\"width:538px;height:auto\" srcset=\"https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u72474-1024x512.webp 1024w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u72474-300x150.webp 300w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u72474-768x384.webp 768w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u72474-18x9.webp 18w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u72474.webp 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Le choix entre les deux types de vannes d\u00e9pend des conditions sp\u00e9cifiques de l'application.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La liste de contr\u00f4le ci-dessous aide les \u00e9quipes de projet \u00e0 prendre une d\u00e9cision \u00e9clair\u00e9e et pr\u00eate pour les sp\u00e9cifications.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Choose_a_double-flanged_valve_when\"><\/span><strong>Choisissez une vanne \u00e0 double bride lorsque :<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>La pression ou la temp\u00e9rature de fonctionnement d\u00e9passe la plage nominale du type \u00e0 pattes.<\/li>\n\n\n\n<li>Le diam\u00e8tre de la conduite est de DN400 ou plus, comme pour les infrastructures d'eau ou les <a href=\"https:\/\/www.xintaivalves.com\/fr\/blog\/upstream-vs-downstream-oil-gas\/\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/www.xintaivalves.com\/blog\/upstream-vs-downstream-oil-gas\/\" rel=\"noreferrer noopener\">p\u00e9trole et gaz<\/a> conduites de transmission.<\/li>\n\n\n\n<li>L'installation est permanente et l'acc\u00e8s \u00e0 la maintenance est peu fr\u00e9quent.<\/li>\n\n\n\n<li>Les sp\u00e9cifications du projet exigent des <strong>dimensions document\u00e9es de vanne papillon \u00e0 double bride<\/strong> selon les normes ANSI, DIN ou API.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Choose_a_lug-type_butterfly_valve_when\"><\/span><strong>Choisissez une vanne papillon de type cosse lorsque :<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Une maintenance, une inspection ou un remplacement fr\u00e9quent de la vanne est requis.<\/li>\n\n\n\n<li>L'isolement en bout de ligne ou en sortie de ligne est une exigence du syst\u00e8me.<\/li>\n\n\n\n<li>Des contraintes budg\u00e9taires ou de poids s'appliquent, en particulier pour les applications \u00e0 petit diam\u00e8tre et \u00e0 pression mod\u00e9r\u00e9e.<\/li>\n\n\n\n<li>L'environnement du syst\u00e8me comprend la CVC, l'industrie l\u00e9g\u00e8re, le traitement chimique ou <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>.&nbsp;<\/li>\n<\/ul>\n\n\n\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n  <title>Produit phare<\/title>\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: Arial, sans-serif;\n      text-decoration: none;\n      color: inherit;\n      font-family: 'Poppins';\n    }\n\n    .hero-image {\n      width: 220px;\n      height: auto;\n      border-radius: 12px;\n      object-fit: cover;\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';\n    }\n\n    .hero-description {\n      font-size: 1rem;\n      color: #555;\n      margin-bottom: 18px;\n    }\n\n    .hero-link {\n      display: inline-block;\n      padding: 10px 20px;\n      background-color: #D70C19;\n      color: #fff;\n      text-decoration: none;\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: #D70C19;\n    }\n\n    @media (max-width: 640px) {\n      .hero-card {\n        flex-direction: column;\n        text-align: center;\n      }\n\n      .hero-content {\n        padding-left: 0;\n        padding-top: 20px;\n      }\n\n      .hero-image {\n        width: 100%;\n        max-width: 280px;\n      }\n    }\n  <\/style>\n<\/head>\n<body>\n\n<a class=\"hero-card\" href=\"https:\/\/www.xintaivalves.com\/fr\/products\/double-eccentric-butterfly-valves\/\" target=\"_blank\">\n  <img decoding=\"async\" class=\"hero-image\" src=\"https:\/\/xintaivalves.com\/wp-content\/uploads\/2022\/02\/%E6%9C%AA%E6%A0%87%E9%A2%98-1-6.jpg\" alt=\"Vannes papillon \u00e0 double excentrique\">\n  <div class=\"hero-content\">\n    <div class=\"hero-title\">\ud83d\udee0 Vanne papillon \u00e0 double excentrique<\/div>\n    <div class=\"hero-description\">Con\u00e7ue pour un contr\u00f4le pr\u00e9cis du d\u00e9bit, la vanne papillon \u00e0 double excentrique offre des performances d&#039;\u00e9tanch\u00e9it\u00e9 et une durabilit\u00e9 am\u00e9lior\u00e9es pour les syst\u00e8mes haute pression.<\/div>\n    <span class=\"hero-link\">Explorer le produit<\/span>\n  <\/div>\n<\/a>\n\n<\/body>\n<\/html>\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\">Choisir entre un <strong>vanne papillon \u00e0 double bride<\/strong> and a lug type comes down to four key factors. You must evaluate the pressure rating, installation type, maintenance frequency, and dimensional compliance.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">High-pressure, large-diameter, and permanent installations call for the double-flanged design. Budget-conscious, maintenance-intensive, or dead-end service applications call for the lug type.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.xintaivalves.com\/fr\/contact\/\" target=\"_blank\" rel=\"noreferrer noopener\">Vannes Xintai<\/a> has manufactured industrial butterfly valves since 1998. Products comply with ISO 9001, API, CE, ANSI, DIN, JIS, and BS standards. The company operates six production bases across China, with a 58,000 sqm workshop and an annual output of over 270,000 valves.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">We also supply engineering firms, project buyers, and distributors across nearly 40 countries. Clients include major operators in North America, South America, Europe, and the Middle East.<\/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>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>Different types of valves are needed in your system for different reasons. The distinction between a lug valve and a flanged valve depends on how they are installed. When selecting a double-flanged butterfly valve or a lug valve, consider key long-term expenses. You must evaluate both upfront installation costs and future maintenance expenses. This article [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":15653,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-15650","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\/15650","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=15650"}],"version-history":[{"count":4,"href":"https:\/\/www.xintaivalves.com\/fr\/wp-json\/wp\/v2\/posts\/15650\/revisions"}],"predecessor-version":[{"id":15677,"href":"https:\/\/www.xintaivalves.com\/fr\/wp-json\/wp\/v2\/posts\/15650\/revisions\/15677"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/fr\/wp-json\/wp\/v2\/media\/15653"}],"wp:attachment":[{"href":"https:\/\/www.xintaivalves.com\/fr\/wp-json\/wp\/v2\/media?parent=15650"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xintaivalves.com\/fr\/wp-json\/wp\/v2\/categories?post=15650"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xintaivalves.com\/fr\/wp-json\/wp\/v2\/tags?post=15650"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}