{"id":4357,"date":"2026-06-29T12:41:11","date_gmt":"2026-06-29T04:41:11","guid":{"rendered":"https:\/\/www.pansvalve.com\/?p=4357"},"modified":"2026-07-22T11:11:14","modified_gmt":"2026-07-22T03:11:14","slug":"flanged-gate-valve-install-guide","status":"publish","type":"post","link":"https:\/\/www.pansvalve.com\/fr\/blog\/gate-valve\/flanged-gate-valve-install-guide\/","title":{"rendered":"Guide d&#039;installation des vannes \u00e0 guillotine \u00e0 brides\u00a0: ordre de serrage des boulons, choix des joints et pr\u00e9vention des fuites"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 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' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.pansvalve.com\/fr\/blog\/gate-valve\/flanged-gate-valve-install-guide\/#Start_By_Checking_The_Joint_Not_Only_The_Valve\" >Commencez par v\u00e9rifier le joint, et pas seulement la vanne.<\/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.pansvalve.com\/fr\/blog\/gate-valve\/flanged-gate-valve-install-guide\/#What_Should_Installers_Check_Before_Placing_The_Gasket\" >Que doivent v\u00e9rifier les installateurs avant de poser le joint ?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.pansvalve.com\/fr\/blog\/gate-valve\/flanged-gate-valve-install-guide\/#How_Do_You_Choose_The_Right_Gasket_For_A_Flanged_Gate_Valve\" >Comment choisir le joint adapt\u00e9 \u00e0 une vanne \u00e0 guillotine \u00e0 brides\u00a0?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.pansvalve.com\/fr\/blog\/gate-valve\/flanged-gate-valve-install-guide\/#What_Is_The_Correct_Bolt_Torque_Sequence_For_A_Flanged_Gate_Valve\" >Quelle est la s\u00e9quence de couple de serrage correcte pour les boulons d&#039;une vanne \u00e0 guillotine \u00e0 brides\u00a0?<\/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.pansvalve.com\/fr\/blog\/gate-valve\/flanged-gate-valve-install-guide\/#How_Can_Installers_Prevent_Leakage_During_Hydrotest_And_Startup\" >Comment les installateurs peuvent-ils pr\u00e9venir les fuites lors de l&#039;essai hydrostatique et de la mise en service\u00a0?<\/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.pansvalve.com\/fr\/blog\/gate-valve\/flanged-gate-valve-install-guide\/#What_Installation_Support_Can_PANS_Provide_Before_Shipment\" >Quel type d&#039;assistance \u00e0 l&#039;installation PANS peut-il fournir avant l&#039;exp\u00e9dition\u00a0?<\/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.pansvalve.com\/fr\/blog\/gate-valve\/flanged-gate-valve-install-guide\/#Field_Questions_Before_A_Flanged_Gate_Valve_Goes_Live\" >Questions fr\u00e9quemment pos\u00e9es avant la mise en service d&#039;une vanne \u00e0 bride<\/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.pansvalve.com\/fr\/blog\/gate-valve\/flanged-gate-valve-install-guide\/#Build_The_Installation_Around_Leak_Prevention\" >Concevoir l&#039;installation autour de la pr\u00e9vention des fuites<\/a><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">Une vanne \u00e0 brides peut fuir m\u00eame si elle est correctement install\u00e9e. La plupart des probl\u00e8mes rencontr\u00e9s sur site proviennent de brides sales, d&#039;un joint inadapt\u00e9, d&#039;un mauvais alignement des tuyaux, d&#039;un serrage irr\u00e9gulier des boulons ou d&#039;un test de pression r\u00e9alis\u00e9 trop rapidement. Un plan d&#039;installation rigoureux permet de pr\u00e9venir ces probl\u00e8mes avant la mise en service de la canalisation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pour l&#039;isolation des canalisations en acier moul\u00e9, les acheteurs peuvent consulter le PANS <a href=\"https:\/\/www.pansvalve.com\/fr\/blog\/gate-valve\/understanding-wedge-gate-valve\/\" type=\"link\" id=\"https:\/\/www.pansvalve.com\/blog\/gate-valve\/understanding-wedge-gate-valve\/\" target=\"_blank\" rel=\"noreferrer noopener\">vanne \u00e0 cale<\/a> Avant la planification de l&#039;installation, la vanne, la classe de bride, le type de joint et la proc\u00e9dure de test doivent tous correspondre aux m\u00eames conditions de service.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"734\" height=\"509\" src=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/06\/\u56fe\u72476.webp\" alt=\"Commencez par v\u00e9rifier le joint, et pas seulement la vanne.\" class=\"wp-image-4359\" style=\"aspect-ratio:1.4420504154344458;width:536px;height:auto\" srcset=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/06\/\u56fe\u72476.webp 734w, https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/06\/\u56fe\u72476-300x208.webp 300w, https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/06\/\u56fe\u72476-18x12.webp 18w\" sizes=\"(max-width: 734px) 100vw, 734px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Start_By_Checking_The_Joint_Not_Only_The_Valve\"><\/span>Commencez par v\u00e9rifier le joint, et pas seulement la vanne.<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Avant de mettre la vanne en place, v\u00e9rifiez le num\u00e9ro d&#039;identification, la classe de pression, la norme de bride, le mat\u00e9riau du corps et le type de raccordement. Contr\u00f4lez \u00e9galement l&#039;absence de d\u00e9bris dans le passage de la vanne. Des mat\u00e9riaux d&#039;\u00e9tanch\u00e9it\u00e9, de la poussi\u00e8re ou des corps \u00e9trangers peuvent s&#039;introduire dans la conduite lors de l&#039;installation si aucun contr\u00f4le pr\u00e9alable n&#039;est effectu\u00e9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les brides de tuyauterie requi\u00e8rent la m\u00eame attention. Une vanne peut \u00eatre correctement fabriqu\u00e9e, mais l&#039;assemblage peut n\u00e9anmoins c\u00e9der si les brides correspondantes ne sont pas compatibles. La norme ASME B16.5 relative aux brides de tuyauterie couvre les pressions et temp\u00e9ratures nominales, les dimensions, les tol\u00e9rances, les mat\u00e9riaux, le marquage et les essais des brides et raccords de diam\u00e8tre nominal (NPS) de 1\/2 \u00e0 24 pouces.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pour l&#039;isolation de longs pipelines o\u00f9 une faible perte de charge est importante, le PANS<a href=\"https:\/\/www.pansvalve.com\/fr\/products\/flat-gate-valve\/\" target=\"_blank\" rel=\"noreferrer noopener\"> vanne \u00e0 vanne plate<\/a> Il peut \u00e9galement \u00eatre int\u00e9ressant de comparer. Les d\u00e9tails de son produit correspondent \u00e0 <a href=\"https:\/\/www.pansvalve.com\/fr\/blog\/what-is-api-6d-standard\/\" type=\"link\" id=\"https:\/\/www.pansvalve.com\/blog\/what-is-api-6d-standard\/\" target=\"_blank\" rel=\"noreferrer noopener\">API6D<\/a>, ASME B16.34, ASME B16.5 extr\u00e9mit\u00e9s de brides et inspection API598, ce qui aide les acheteurs \u00e0 relier le choix du produit aux besoins de test sur site.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Should_Installers_Check_Before_Placing_The_Gasket\"><\/span>Que doivent v\u00e9rifier les installateurs avant de poser le joint ?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Un joint ne peut pas compenser une surface de bride endommag\u00e9e. Avant la pose, \u00e9liminez les r\u00e9sidus de joint, l&#039;huile, les particules de rouille, les d\u00e9p\u00f4ts de peinture et les impuret\u00e9s des deux faces d&#039;\u00e9tanch\u00e9it\u00e9. Une petite particule dure peut maintenir le joint suffisamment ouvert pour cr\u00e9er une fuite.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Apr\u00e8s le nettoyage, inspectez la face sur\u00e9lev\u00e9e ou la gorge annulaire. Recherchez les rayures, piq\u00fbres, bosses ou projections de soudure sur la zone d&#039;\u00e9tanch\u00e9it\u00e9. Les dommages situ\u00e9s hors du trajet du joint peuvent \u00eatre moins graves, mais ceux situ\u00e9s sur le trajet d&#039;\u00e9tanch\u00e9it\u00e9 doivent \u00eatre examin\u00e9s avant de poursuivre l&#039;assemblage.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les boulons et \u00e9crous ne doivent pas \u00eatre consid\u00e9r\u00e9s comme r\u00e9utilisables par d\u00e9faut. Remplacez les fixations dont le filetage est endommag\u00e9, fortement corrod\u00e9, \u00e9tir\u00e9 ou dont le marquage est erron\u00e9. Lorsque la proc\u00e9dure sur site pr\u00e9conise la lubrification, appliquez-la uniform\u00e9ment sur le filetage et les surfaces d&#039;appui de l&#039;\u00e9crou. Un frottement irr\u00e9gulier peut entra\u00eener une r\u00e9partition in\u00e9gale de la charge sur le boulon, m\u00eame avec un couple de serrage correct.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_Do_You_Choose_The_Right_Gasket_For_A_Flanged_Gate_Valve\"><\/span>Comment choisir le joint adapt\u00e9 \u00e0 une vanne \u00e0 guillotine \u00e0 brides\u00a0?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Le choix du joint doit tenir compte du fluide, de la classe de pression, de la temp\u00e9rature, de l&#039;\u00e9tat de la bride et des normes du site. Un joint en fibre comprim\u00e9e peut convenir \u00e0 certaines conduites d&#039;eau. Un joint en graphite flexible peut \u00eatre adapt\u00e9 aux applications \u00e0 haute temp\u00e9rature. Les joints spiral\u00e9s sont courants sur de nombreuses brides en acier \u00e0 face sur\u00e9lev\u00e9e. Les joints RTJ sont destin\u00e9s aux brides \u00e0 joint annulaire.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le manuel des joints de la FSA explique que le mat\u00e9riau du joint, le type de bride, l&#039;\u00e9tat de surface et les conditions de service doivent \u00eatre examin\u00e9s conjointement. Ce point est crucial, car un joint peut se d\u00e9t\u00e9riorer suite \u00e0 une attaque chimique, une surcompression, un rel\u00e2chement ou un mauvais contact de surface.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ne r\u00e9utilisez jamais l&#039;ancien joint d&#039;une vanne \u00e0 bride d\u00e9mont\u00e9e. Une fois comprim\u00e9, le joint a d\u00e9j\u00e0 pris sa forme d\u00e9finitive. Le r\u00e9utiliser peut certes permettre d&#039;\u00e9conomiser un peu d&#039;argent, mais cela risque d&#039;entra\u00eener un \u00e9chec au test hydrostatique ou un retard au d\u00e9marrage.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>V\u00e9rification de l&#039;installation<\/strong><\/td><td><strong>Ce que l&#039;\u00e9quipage doit rechercher<\/strong><\/td><td><strong>Qu&#039;est-ce qui peut mal tourner ?<\/strong><\/td><\/tr><tr><td>face de bride<\/td><td>Chemin d&#039;\u00e9tanch\u00e9it\u00e9 propre et plat, sans dommages profonds<\/td><td>Le joint ne peut pas assurer une \u00e9tanch\u00e9it\u00e9 uniforme.<\/td><\/tr><tr><td>Type de joint<\/td><td>Convient \u00e0 une taille moyenne, un type de visage et une classe de pression adapt\u00e9s.<\/td><td>\u00c9crasement, explosion ou relaxation<\/td><\/tr><tr><td>Alignement des canalisations<\/td><td>La valve s&#039;installe sans forcer le tuyau.<\/td><td>Contraintes in\u00e9gales du joint<\/td><\/tr><tr><td>Fixations<\/td><td>Qualit\u00e9 correcte, fils propres et sans \u00e9tirement<\/td><td>Force de serrage faible ou in\u00e9gale<\/td><\/tr><tr><td>Mod\u00e8le de couple<\/td><td>Resserrage progressif en croix<\/td><td>Un c\u00f4t\u00e9 du joint est surcharg\u00e9<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Is_The_Correct_Bolt_Torque_Sequence_For_A_Flanged_Gate_Valve\"><\/span>Quelle est la s\u00e9quence de couple de serrage correcte pour les boulons d&#039;une vanne \u00e0 guillotine \u00e0 brides\u00a0?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Le serrage des boulons est souvent \u00e0 l&#039;origine de probl\u00e8mes lors de bonnes installations. Une erreur fr\u00e9quente consiste \u00e0 serrer en cercle autour de la bride d\u00e8s le d\u00e9part. Cela cr\u00e9e une tension irr\u00e9guli\u00e8re sur le joint et peut \u00e9craser un c\u00f4t\u00e9 du joint avant que le reste de la bride ne soit correctement positionn\u00e9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Une m\u00e9thode plus s\u00fbre consiste \u00e0 serrer les boulons en croix par \u00e9tapes. Serrez d&#039;abord tous les boulons l\u00e9g\u00e8rement. Proc\u00e9dez ensuite en croix par paliers, par exemple 30%, 60% et 100%, jusqu&#039;au couple cible. Apr\u00e8s le dernier passage en croix, certaines proc\u00e9dures pr\u00e9voient un contr\u00f4le circulaire final pour v\u00e9rifier que chaque boulon a bien atteint le couple requis.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Il est d\u00e9conseill\u00e9 d&#039;estimer la valeur du couple de serrage. Celle-ci d\u00e9pend du diam\u00e8tre et de la qualit\u00e9 des boulons, du type de joint, de la classe de bride, de la lubrification et de la proc\u00e9dure d&#039;assemblage. La norme ASME PCC-1 fournit des recommandations pour l&#039;assemblage des joints boulonn\u00e9s \u00e0 brides sous pression et est fr\u00e9quemment utilis\u00e9e lors de l&#039;\u00e9laboration des proc\u00e9dures d&#039;assemblage de brides.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_Can_Installers_Prevent_Leakage_During_Hydrotest_And_Startup\"><\/span>Comment les installateurs peuvent-ils pr\u00e9venir les fuites lors de l&#039;essai hydrostatique et de la mise en service\u00a0?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Le guide d&#039;installation des vannes ne doit pas s&#039;arr\u00eater au serrage. Avant l&#039;essai hydraulique, v\u00e9rifiez la position de la vanne requise par le plan d&#039;essai. Assurez-vous \u00e9galement que les joints \u00e0 brides, le joint du chapeau et la zone de garniture sont visibles lors de l&#039;inspection.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Lors du remplissage, suivez la proc\u00e9dure du site relative \u00e0 la purge et \u00e0 la mont\u00e9e en pression. Un remplissage trop rapide peut entra\u00eener la pr\u00e9sence d&#039;air emprisonn\u00e9 ou une variation brutale de pression, rendant l&#039;inspection plus difficile. En cas de fuite, d\u00e9pressurisez avant toute r\u00e9paration, sauf si le r\u00e8glement de s\u00e9curit\u00e9 du site autorise explicitement une autre m\u00e9thode.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La mise en service pr\u00e9sente un risque diff\u00e9rent. La chaleur peut d\u00e9tendre le joint apr\u00e8s le premier cycle de chauffe. Les conduites de vapeur, d&#039;eau chaude et d&#039;huile thermique peuvent n\u00e9cessiter une v\u00e9rification planifi\u00e9e une fois les conditions stabilis\u00e9es. Cette v\u00e9rification doit faire partie int\u00e9grante du plan de mise en service et ne pas constituer une intervention d&#039;urgence.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Installation_Support_Can_PANS_Provide_Before_Shipment\"><\/span>Quel type d&#039;assistance \u00e0 l&#039;installation PANS peut-il fournir avant l&#039;exp\u00e9dition\u00a0?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Une installation r\u00e9ussie commence d\u00e8s l&#039;approvisionnement. Si la vanne, la norme de la bride, le joint et les exigences de test sont v\u00e9rifi\u00e9s ensemble avant l&#039;exp\u00e9dition, l&#039;\u00e9quipe sur site rencontrera moins de surprises. PANS peut aider les acheteurs \u00e0 adapter le choix des vannes \u00e0 opercule \u00e0 brides \u00e0 la classe de tuyauterie, au type de raccordement, au plan de joint et aux exigences d&#039;inspection.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ce support est particuli\u00e8rement utile lorsqu&#039;un projet comprend des vannes de tailles ou de classes de pression vari\u00e9es. Un ensemble de vannes h\u00e9t\u00e9rog\u00e8nes peut engendrer des confusions si les plans, les normes de brides ou les notes relatives aux joints sont impr\u00e9cis. Gr\u00e2ce aux conseils d&#039;ing\u00e9nierie et d&#039;installation de PANS, les acheteurs peuvent r\u00e9duire les risques courants sur site, tels que le choix d&#039;un joint inappropri\u00e9, un alignement forc\u00e9 et des attentes floues concernant les essais de pression.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pour un approvisionnement centralis\u00e9, les raccords de tuyauterie associ\u00e9s peuvent \u00e9galement \u00eatre command\u00e9s en m\u00eame temps que les vannes. Cela facilite la v\u00e9rification du kit d&#039;installation avant le d\u00e9but du boulonnage par l&#039;\u00e9quipe.<\/p>\n\n\n\n<style>\n    \/* \u5bfc\u5165 Poppins \u5b57\u4f53 *\/\n    @import url('https:\/\/fonts.googleapis.com\/css2?family=Poppins:wght@400;600&display=swap');\n\n    \/* \u6837\u5f0f\u9694\u79bb\uff1a\u6240\u6709\u6837\u5f0f\u90fd\u4ee5 .cldg-card- \u5f00\u5934\uff0c\u907f\u514d\u5f71\u54cd\u7f51\u7ad9\u5176\u4ed6\u90e8\u5206 *\/\n    .cldg-card-container {\n        display: flex;\n        flex-wrap: wrap; \n        width: 100%;\n        margin: 20px 0;\n        border: 1px solid #e0e0e0;\n        border-radius: 8px;\n        overflow: hidden; \n        background-color: #ffffff;\n        font-family: 'Poppins', Arial, sans-serif; \n        box-sizing: border-box;\n    }\n\n    .cldg-card-text-column {\n        flex: 55%; \n        padding: 30px;\n        display: flex;\n        flex-direction: column;\n        justify-content: center;\n        box-sizing: border-box;\n    }\n\n    .cldg-card-image-column {\n        flex: 45%; \n        min-height: 250px; \n        box-sizing: border-box;\n    }\n\n    .cldg-card-image-column a {\n        display: block;\n        width: 100%;\n        height: 100%;\n    }\n\n    .cldg-card-image-column img {\n        width: 100%;\n        height: 100%;\n        object-fit: cover; \n        display: block;\n        transition: transform 0.3s ease;\n    }\n\n    .cldg-card-image-column a:hover img {\n        transform: scale(1.03);\n    }\n\n    \/* SEO\u4f18\u5316\uff1a\u4f7f\u7528<p>\u6807\u7b7e\u4ee3\u66ffH3\uff0c\u907f\u514d\u6270\u4e71\u9875\u9762\u6807\u9898\u5c42\u7ea7 *\/\n    .cldg-card-title {\n        font-size: 24px;\n        font-weight: 600;\n        color: #111111;\n        margin-top: 0;\n        margin-bottom: 15px;\n        line-height: 1.3;\n        text-transform: capitalize;\n    }\n\n    .cldg-card-description {\n        font-size: 16px;\n        color: #444444;\n        line-height: 1.6;\n        margin-bottom: 20px;\n    }\n\n    .cldg-card-cta-button {\n        display: inline-block;\n        width: fit-content;\n        padding: 10px 26px; \n        font-size: 16px;\n        font-weight: 600;\n        color: #d70c19; \n        background-color: #ffffff; \n        border: 2px solid #d70c19; \n        border-radius: 5px;\n        text-decoration: none !important;\n        text-align: center;\n        transition: background-color 0.3s ease, color 0.3s ease;\n    }\n\n    .cldg-card-cta-button:hover {\n        background-color: #d70c19; \n        color: #ffffff !important; \n    }\n\n    \/* \u54cd\u5e94\u5f0f\u8bbe\u8ba1 *\/\n    @media (max-width: 768px) {\n        .cldg-card-container {\n            flex-direction: column-reverse; \/* \u79fb\u52a8\u7aef\u8ba9\u56fe\u7247\u5728\u4e0a\u65b9\u663e\u793a\u6548\u679c\u66f4\u597d *\/\n        }\n\n        .cldg-card-text-column,\n        .cldg-card-image-column {\n            flex: 100%; \n        }\n        .cldg-card-text-column {\n            padding: 25px; \n            text-align: center;\n        }\n        .cldg-card-cta-button {\n            width: 100%;\n            box-sizing: border-box;\n        }\n    }\n<\/style>\n\n<div class=\"cldg-card-container\">\n    <div class=\"cldg-card-text-column\">\n        <p class=\"cldg-card-title\">Vanne \u00e0 vanne plate<\/p>\n        <p class=\"cldg-card-description\">\n            <strong>Norme de conception et de fabrication\u00a0:<\/strong> API 6D \/ ASME B16.34<br>\n            <strong>Face \u00e0 face:<\/strong> ASME B16.10\n        <\/p>\n        <a href=\"https:\/\/www.pansvalve.com\/fr\/products\/flat-gate-valve\/\" class=\"cldg-card-cta-button\" target=\"_blank\" rel=\"noopener noreferrer\">\n            Voir les sp\u00e9cifications\n        <\/a>\n    <\/div>\n    <div class=\"cldg-card-image-column\">\n        <a href=\"https:\/\/www.pansvalve.com\/fr\/products\/flat-gate-valve\/\" target=\"_blank\" rel=\"noopener noreferrer\">\n            <img decoding=\"async\" src=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2022\/04\/2.jpg\" alt=\"Vanne \u00e0 guillotine plate API 6D en gros\">\n        <\/a>\n    <\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Field_Questions_Before_A_Flanged_Gate_Valve_Goes_Live\"><\/span>Questions fr\u00e9quemment pos\u00e9es avant la mise en service d&#039;une vanne \u00e0 bride<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. Une vanne \u00e0 guillotine \u00e0 brides peut-elle \u00eatre install\u00e9e dans n&#039;importe quelle direction\u00a0?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Beaucoup <a href=\"https:\/\/www.pansvalve.com\/fr\/gate-valve-manufacturers\/\" type=\"link\" id=\"https:\/\/www.pansvalve.com\/gate-valve-manufacturers\/\" target=\"_blank\" rel=\"noreferrer noopener\">Vannes<\/a> Bien que bidirectionnels, les installateurs doivent tout de m\u00eame v\u00e9rifier les marquages de la carrosserie, les sch\u00e9mas et les instructions du fabricant. Certaines conditions de projet ou conceptions particuli\u00e8res peuvent exiger une orientation privil\u00e9gi\u00e9e.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. Les boulons doivent-ils \u00eatre serr\u00e9s en cercle ?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Non. Commencez par un serrage en croix et serrez les boulons par \u00e9tapes. Un serrage circulaire risque de solliciter le joint de mani\u00e8re in\u00e9gale s&#039;il est effectu\u00e9 trop t\u00f4t.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. Pourquoi les joints \u00e0 brides fuient-ils apr\u00e8s leur installation\u00a0?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Les causes courantes incluent des faces de bride sales, un mat\u00e9riau de joint inappropri\u00e9, un mauvais alignement, des boulons endommag\u00e9s, un couple de serrage in\u00e9gal, un remplissage pr\u00e9cipit\u00e9 ou un test de pression avant que l&#039;inspection ne soit termin\u00e9e.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Build_The_Installation_Around_Leak_Prevention\"><\/span>Concevoir l&#039;installation autour de la pr\u00e9vention des fuites<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La fiabilit\u00e9 d&#039;une vanne \u00e0 brides d\u00e9pend de la qualit\u00e9 de son joint. Des faces de brides propres, un joint adapt\u00e9, un alignement correct et un serrage progressif des boulons garantissent l&#039;\u00e9tanch\u00e9it\u00e9 avant que la pression n&#039;atteigne la conduite.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">PANS aide les acheteurs \u00e0 r\u00e9duire les risques de fuite en adaptant la vanne \u00e0 guillotine, la norme de bride et l&#039;assistance \u00e0 l&#039;installation au projet avant l&#039;exp\u00e9dition. Lorsque le choix du produit et la proc\u00e9dure sur le terrain sont compatibles, l&#039;\u00e9quipe consacre moins de temps \u00e0 la r\u00e9paration des fuites et davantage \u00e0 la mise en service s\u00e9curis\u00e9e du pipeline.<\/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-red-background-color has-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/www.pansvalve.com\/fr\/contact-us\/\">Obtenez un devis<\/a><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>A flanged gate valve can leak even when the valve itself is correct. Most site problems come from dirty flange faces, the wrong gasket, poor pipe alignment, uneven bolt loading, or rushed pressure testing. A clean installation plan helps prevent those issues before the line goes live. For cast steel pipeline isolation, buyers can review [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4358,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[188],"tags":[],"class_list":["post-4357","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-gate-valve"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Flanged Gate Valve Commissioning For High-Pressure Pipelines<\/title>\n<meta name=\"description\" content=\"Configure flanged gate valve assembly for API 6D pipeline systems. 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Mitigate thermal relaxation risks in steam and hot water distribution networks.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.pansvalve.com\/fr\/blog\/gate-valve\/flanged-gate-valve-install-guide\/\" \/>\n<meta property=\"og:site_name\" content=\"Industrial Valve Manufacturer and Company from China\" \/>\n<meta property=\"article:published_time\" content=\"2026-06-29T04:41:11+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-07-22T03:11:14+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/06\/\u56fe\u72475.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"724\" \/>\n\t<meta property=\"og:image:height\" content=\"509\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.pansvalve.com\\\/blog\\\/gate-valve\\\/flanged-gate-valve-install-guide\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.pansvalve.com\\\/blog\\\/gate-valve\\\/flanged-gate-valve-install-guide\\\/\"},\"author\":{\"name\":\"admin\",\"@id\":\"https:\\\/\\\/www.pansvalve.com\\\/#\\\/schema\\\/person\\\/246e471ae246e0f35793a4f0b10b61bf\"},\"headline\":\"Flanged Gate Valve Installation Guide: Bolt Torque Sequence, Gasket Selection, and Leakage Prevention\",\"datePublished\":\"2026-06-29T04:41:11+00:00\",\"dateModified\":\"2026-07-22T03:11:14+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.pansvalve.com\\\/blog\\\/gate-valve\\\/flanged-gate-valve-install-guide\\\/\"},\"wordCount\":1214,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.pansvalve.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.pansvalve.com\\\/blog\\\/gate-valve\\\/flanged-gate-valve-install-guide\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.pansvalve.com\\\/wp-content\\\/uploads\\\/2026\\\/06\\\/\u56fe\u72475.webp\",\"articleSection\":[\"Gate Valve\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.pansvalve.com\\\/blog\\\/gate-valve\\\/flanged-gate-valve-install-guide\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.pansvalve.com\\\/blog\\\/gate-valve\\\/flanged-gate-valve-install-guide\\\/\",\"url\":\"https:\\\/\\\/www.pansvalve.com\\\/blog\\\/gate-valve\\\/flanged-gate-valve-install-guide\\\/\",\"name\":\"Flanged Gate Valve Commissioning For High-Pressure Pipelines\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.pansvalve.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.pansvalve.com\\\/blog\\\/gate-valve\\\/flanged-gate-valve-install-guide\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.pansvalve.com\\\/blog\\\/gate-valve\\\/flanged-gate-valve-install-guide\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.pansvalve.com\\\/wp-content\\\/uploads\\\/2026\\\/06\\\/\u56fe\u72475.webp\",\"datePublished\":\"2026-06-29T04:41:11+00:00\",\"dateModified\":\"2026-07-22T03:11:14+00:00\",\"description\":\"Configure flanged gate valve assembly for API 6D pipeline systems. 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