{"id":4422,"date":"2026-08-03T16:41:46","date_gmt":"2026-08-03T08:41:46","guid":{"rendered":"https:\/\/www.pansvalve.com\/?p=4422"},"modified":"2026-08-27T21:25:11","modified_gmt":"2026-08-27T13:25:11","slug":"api-598-valve-testing-guide","status":"publish","type":"post","link":"https:\/\/www.pansvalve.com\/fr\/knowledge-center\/api-598-valve-testing-guide\/","title":{"rendered":"Norme d&#039;essai des vannes API 598\u00a0: Guide complet d&#039;inspection et d&#039;essai"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_87 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\/knowledge-center\/api-598-valve-testing-guide\/#Quick_Answer_API_598_Testing\" >R\u00e9ponse rapide\u00a0: Tests API 598<\/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\/knowledge-center\/api-598-valve-testing-guide\/#What_is_the_API_598_Standard\" >Qu&#039;est-ce que la norme API 598\u00a0?&nbsp;<\/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\/knowledge-center\/api-598-valve-testing-guide\/#Mandatory_API_598_Valve_Inspection_and_Testing_Types\" >Types d&#039;inspection et d&#039;essais obligatoires des vannes API 598<\/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\/knowledge-center\/api-598-valve-testing-guide\/#The_API_598_Testing_Procedure_Step-by-Step\" >Proc\u00e9dure de test API 598 \u00e9tape par \u00e9tape<\/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\/knowledge-center\/api-598-valve-testing-guide\/#Which_Standard_Applies_API_598_vs_API_6D\" >Quelle norme s&#039;applique\u00a0? API 598 ou API 6D<\/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\/knowledge-center\/api-598-valve-testing-guide\/#API_598_Acceptance_Criteria_for_Allowable_Leakage\" >Crit\u00e8res d&#039;acceptation de l&#039;API 598 pour les fuites admissibles<\/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\/knowledge-center\/api-598-valve-testing-guide\/#Common_API_598_Valve_Inspection_and_Testing_Pitfalls\" >Pi\u00e8ges courants li\u00e9s \u00e0 l&#039;inspection et aux essais des vannes API 598<\/a><\/li><\/ul><\/nav><\/div>\n\n<div style=\"border:1px solid #ccc; border-radius:4px; box-sizing:border-box; padding:0 !important;\">\n\n  <div style=\"padding:15px !important; box-sizing:border-box;\">\n\n    <h2 style=\"margin:0 0 10px 0 !important; padding:0 !important; width:100% !important; box-sizing:border-box;\"><span class=\"ez-toc-section\" id=\"Quick_Answer_API_598_Testing\"><\/span>\n      R\u00e9ponse rapide\u00a0: Tests API 598\n    <span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n    <p style=\"margin:0 !important; padding:0 !important; width:100% !important; box-sizing:border-box;\">\n      La norme API 598 \u00e9tablit les standards internationaux essentiels pour les essais de pression, l&#039;\u00e9tanch\u00e9it\u00e9 des si\u00e8ges et l&#039;int\u00e9grit\u00e9 du corps des vannes industrielles. Elle d\u00e9finit les proc\u00e9dures critiques d&#039;\u00e9valuation des performances des vannes, notamment les essais de la coque, du joint et du si\u00e8ge arri\u00e8re, avant leur mise en service. <a href=\"https:\/\/www.pansvalve.com\/fr\">Vanne de casseroles<\/a> PANS Valve int\u00e8gre les protocoles rigoureux de la norme API 598 \u00e0 l&#039;ensemble de sa production, garantissant ainsi une fiabilit\u00e9 et une s\u00e9curit\u00e9 optimales pour toutes ses vannes industrielles. Forte d&#039;une usine de 25\u00a0000\u00a0m\u00b2 et de plus de 40\u00a0ans d&#039;expertise en ing\u00e9nierie, PANS Valve assure des solutions performantes et enti\u00e8rement conformes aux normes, m\u00eame pour vos projets les plus exigeants.\n    <\/p>\n\n  <\/div>\n\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_is_the_API_598_Standard\"><\/span><strong>Qu&#039;est-ce que la norme API 598\u00a0?&nbsp;<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">L&#039;American Petroleum Institute a \u00e9tabli <strong>API 598<\/strong> Elle constitue la r\u00e9f\u00e9rence mondiale en mati\u00e8re d&#039;inspection et d&#039;essais de vannes. Elle couvre les exigences d&#039;essais de pression pour une large gamme de vannes industrielles, notamment\u00a0: <a href=\"https:\/\/www.pansvalve.com\/fr\/product\/\" target=\"_blank\" rel=\"noreferrer noopener\">vannes papillon, clapets anti-retour, vannes \u00e0 bille, vannes \u00e0 soupape, vannes \u00e0 boisseau et vannes \u00e0 guillotine<\/a> avec des mat\u00e9riaux d&#039;assise vari\u00e9s.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Plut\u00f4t qu&#039;une norme de conception, elle \u00e9tablit des crit\u00e8res et des proc\u00e9dures d&#039;\u00e9valuation de l&#039;int\u00e9grit\u00e9 de la structure, de l&#039;\u00e9tanch\u00e9it\u00e9 des si\u00e8ges, des taux de fuite et des temps de maintien avant exp\u00e9dition. Elle est couramment utilis\u00e9e conjointement avec les normes API 600, API 602 et API 6D.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Mandatory_API_598_Valve_Inspection_and_Testing_Types\"><\/span><strong>Types d&#039;inspection et d&#039;essais obligatoires des vannes API 598<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>API 598<\/strong> Ce test v\u00e9rifie deux aspects importants du fonctionnement des vannes\u00a0: l\u2019\u00e9tanch\u00e9it\u00e9 et l\u2019int\u00e9grit\u00e9 de l\u2019interface pression-\u00e9tanch\u00e9it\u00e9. Selon la conception, les fabricants peuvent \u00eatre tenus d\u2019effectuer les tests suivants avant la mise en service du produit.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Test de r\u00e9sistance de la coque API 598<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c9galement appel\u00e9 test d&#039;\u00e9tanch\u00e9it\u00e9, il valide l&#039;int\u00e9grit\u00e9 des composants sous pression. Lors de cette proc\u00e9dure hydrostatique, une vanne partiellement ouverte est mont\u00e9e sur un banc d&#039;essai, puis une pression est appliqu\u00e9e sur les parois, le chapeau et les joints afin de d\u00e9tecter les fuites. <strong>Pression d&#039;essai API 598<\/strong> pour les vannes en acier, la pression doit \u00eatre au moins 1,5 fois sup\u00e9rieure \u00e0 la pression de service \u00e0 froid nominale (CWP).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Test de fermeture API 598 pour l&#039;\u00e9tanch\u00e9it\u00e9 du si\u00e8ge<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c9galement appel\u00e9 le <strong>Test de si\u00e8ge API 598<\/strong>, Ce test confirme l&#039;\u00e9tanch\u00e9it\u00e9 du m\u00e9canisme interne en position ferm\u00e9e. Un test haute pression est obligatoire pour diff\u00e9rents types de vannes soumises \u00e0 de fortes charges. Ce test est r\u00e9alis\u00e9 \u00e0 1,1 fois la pression de service admissible. Un test basse pression est n\u00e9cessaire pour les vannes DN 100 ou NPS 4 et de diam\u00e8tre inf\u00e9rieur. Ce test utilise un m\u00e9lange gazeux et d&#039;air \u00e0 80 \u00b1 20 psig afin de d\u00e9tecter les microfuites que le test haute pression pourrait ne pas d\u00e9celer.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Test API 598 pour les joints de tige de si\u00e8ge arri\u00e8re<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Lorsqu&#039;une vanne est \u00e9quip\u00e9e d&#039;un dispositif de contr\u00f4le d&#039;\u00e9tanch\u00e9it\u00e9, celui-ci v\u00e9rifie l&#039;\u00e9tanch\u00e9it\u00e9 entre la tige et le chapeau lorsque la vanne est compl\u00e8tement ouverte. Comme pour le test de fermeture, la pression requise est de 1,1 fois la pression de service admissible maximale. Veuillez noter que ce test ne s&#039;applique pas aux conceptions qui poss\u00e8dent <a href=\"https:\/\/www.pansvalve.com\/fr\/product\/din-bellow-sealed-globe-valve\/\" target=\"_blank\" rel=\"noreferrer noopener\">joints \u00e0 soufflet<\/a>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Milieux d&#039;essai standard\u00a0: liquide ou gaz<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Selon <strong>normes d&#039;essai des soupapes<\/strong>, Les tests haute pression utilisent g\u00e9n\u00e9ralement des liquides comme le k\u00e9ros\u00e8ne et de l&#039;eau claire additionn\u00e9e d&#039;inhibiteurs de corrosion. Les tests basse pression, quant \u00e0 eux, utilisent de l&#039;air, de l&#039;azote ou un gaz inerte pour d\u00e9tecter les fuites, m\u00eame minimes. La pr\u00e9sence de fuites est rep\u00e9r\u00e9e \u00e0 l&#039;aide d&#039;un appareil volum\u00e9trique ou par l&#039;observation de bulles lorsque la vanne est immerg\u00e9e dans l&#039;eau.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_API_598_Testing_Procedure_Step-by-Step\"><\/span><strong>Proc\u00e9dure de test API 598 \u00e9tape par \u00e9tape<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"450\" data-src=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/08\/436436.webp\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" alt=\"Cette image donne un aper\u00e7u de la proc\u00e9dure de test \u00e9tape par \u00e9tape de l&#039;API 598, bien qu&#039;elle puisse diff\u00e9rer en r\u00e9alit\u00e9.\" class=\"wp-image-4425 lazyload\"\/><noscript><img decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/08\/436436.webp\" alt=\"Cette image donne un aper\u00e7u de la proc\u00e9dure de test \u00e9tape par \u00e9tape de l&#039;API 598, bien qu&#039;elle puisse diff\u00e9rer en r\u00e9alit\u00e9.\" class=\"wp-image-4425\" srcset=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/08\/436436.webp 800w, https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/08\/436436-300x169.webp 300w, https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/08\/436436-768x432.webp 768w, https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/08\/436436-18x10.webp 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/noscript><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Pour garantir des r\u00e9sultats fiables, il est essentiel de suivre la s\u00e9quence d\u00e9finie lors de la r\u00e9alisation de l&#039;exp\u00e9rience. <strong>Inspection et essais des vannes API 598<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u00c9tape 1 : Pr\u00e9paration de la vanne pour les essais<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Avant de commencer les tests, assurez-vous que la vanne est propre et exempte de tout mastic, peinture, graisse, huile et autres mati\u00e8res. La seule exception est <a href=\"https:\/\/www.pansvalve.com\/fr\/blog\/plug-valve\/lubricated-vs-non-lubricated-plug-valves\/\" target=\"_blank\" rel=\"noreferrer noopener\">vannes \u00e0 boisseau lubrifi\u00e9<\/a> qui n\u00e9cessitent l&#039;utilisation de produits d&#039;\u00e9tanch\u00e9it\u00e9 injectables pour fonctionner correctement. Lors de l&#039;utilisation de liquides, il est essentiel d&#039;\u00e9liminer toute trace d&#039;air emprisonn\u00e9 dans la cavit\u00e9 pour obtenir des mesures pr\u00e9cises.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u00c9tape 2\u00a0: Ex\u00e9cution du test de shell API 598<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Cette \u00e9tape constitue la premi\u00e8re validation de la pression. La pression hydrostatique est port\u00e9e \u00e0 1,5 fois la pression nominale de service (CWP) puis appliqu\u00e9e au corps de la vanne. Pour les vannes de diam\u00e8tre nominal (NPS) inf\u00e9rieur ou \u00e9gal \u00e0 2, la dur\u00e9e du test est d&#039;au moins 15 secondes. Elle passe \u00e0 60 secondes pour les vannes de NPS compris entre 2,5 et 6, et peut atteindre 600 secondes pour les vannes de diam\u00e8tre nominal sup\u00e9rieur \u00e0 24.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u00c9tape 3\u00a0: Ex\u00e9cution du test de fermeture de l\u2019API 598<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Pour les mod\u00e8les \u00e9quip\u00e9s d&#039;une fonction de si\u00e8ge arri\u00e8re, les vannes sont compl\u00e8tement ouvertes et le presse-\u00e9toupe est desserr\u00e9. Sinon, la vanne est compl\u00e8tement ferm\u00e9e et une pression de 1,1 fois la pression CWP est appliqu\u00e9e \u00e0 l&#039;entr\u00e9e. Les temps de maintien sont sensiblement les m\u00eames que lors du test de la coque, mais peuvent atteindre 240 secondes pour les unit\u00e9s de plus grande taille.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u00c9tape 4\u00a0: V\u00e9rification des crit\u00e8res d\u2019acceptation de l\u2019API 598<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Apr\u00e8s les essais, toutes les pi\u00e8ces moul\u00e9es sont inspect\u00e9es visuellement afin de d\u00e9tecter toute fuite ou d\u00e9faut de surface, conform\u00e9ment aux crit\u00e8res de la norme MSS SP-55. Les vannes \u00e0 si\u00e8ge \u00e9lastique doivent \u00eatre parfaitement \u00e9tanches durant les essais, tandis que les vannes \u00e0 si\u00e8ge m\u00e9tallique pr\u00e9sentent des limites d&#039;\u00e9tanch\u00e9it\u00e9 admissibles en fonction de leurs dimensions et du fluide test\u00e9. Des informations compl\u00e9mentaires sur ces crit\u00e8res sp\u00e9cifiques sont fournies dans une section distincte de cet article.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Which_Standard_Applies_API_598_vs_API_6D\"><\/span><strong>Quelle norme s&#039;applique\u00a0? API 598 ou API 6D<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"800\" height=\"450\" data-src=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/08\/63463.webp\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" alt=\"Cette image montre les fabricants et les acheteurs donnant leur avis sur les normes API 598 et API 6D.\" class=\"wp-image-4426 lazyload\"\/><noscript><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/08\/63463.webp\" alt=\"Cette image montre les fabricants et les acheteurs donnant leur avis sur les normes API 598 et API 6D.\" class=\"wp-image-4426\" srcset=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/08\/63463.webp 800w, https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/08\/63463-768x432.webp 768w, https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/08\/63463-300x169.webp 300w, https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/08\/63463-18x10.webp 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/noscript><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Les deux normes de l&#039;American Petroleum Institute sont pr\u00e9cieuses, mais elles ne sont pas interchangeables.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Principales diff\u00e9rences entre l&#039;API 598 et l&#039;API 6D<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>API 598<\/strong> La norme API 6D est universelle pour toutes les vannes industrielles sous pression, quel que soit leur lieu d&#039;utilisation. En revanche, elle est sp\u00e9cifiquement destin\u00e9e aux vannes de pipelines des grands r\u00e9seaux de transport de p\u00e9trole et de gaz naturel.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><em>Tests suppl\u00e9mentaires<\/em><\/strong>: L&#039;API 6D couvre \u00e9galement les tests de s\u00e9curit\u00e9 des pipelines, tels que le Double Blocage et Purge (DBB) et le Double Isolation et Purge (DIB).<\/li>\n\n\n\n<li><strong><em>dur\u00e9es des tests<\/em><\/strong>L&#039;API 6D requiert des temps de maintien plus longs. Par exemple, un maintien de 2 minutes est n\u00e9cessaire avec l&#039;API 6D, alors qu&#039;il n&#039;est que de 15 secondes avec le protocole g\u00e9n\u00e9ral.<\/li>\n\n\n\n<li><strong><em>Couple et op\u00e9rabilit\u00e9<\/em><\/strong>La norme API 6D met l&#039;accent sur les performances op\u00e9rationnelles et inclut donc la mesure du couple et les documents de tra\u00e7abilit\u00e9 tels que les rapports d&#039;essais de mat\u00e9riaux.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Vous trouverez plus d&#039;informations sur les diff\u00e9rences entre les normes API 598 et API 6D dans \u201c<a href=\"https:\/\/www.pansvalve.com\/fr\/blog\/api-598-vs-api-6d-valves\/\" target=\"_blank\" rel=\"noreferrer noopener\">API 598 vs API 6D : quelle norme de vanne est adapt\u00e9e \u00e0 votre secteur d&#039;activit\u00e9 ?<\/a>\u201d, notamment en ce qui concerne la rigueur et les applications industrielles.<\/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;700&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; \/* \u5728\u79fb\u52a8\u7aef\u6362\u884c *\/\n        width: 100%;\n        margin: 20px 0;\n        border: 1px solid #e0e0e0;\n        border-radius: 8px;\n        overflow: hidden; \/* \u786e\u4fdd\u5b50\u5143\u7d20\u7684\u5706\u89d2\u751f\u6548 *\/\n        background-color: #ffffff;\n        font-family: 'Poppins', Arial, sans-serif; \/* \u4f7f\u7528\u60a8\u6307\u5b9a\u7684 Poppins \u5b57\u4f53 *\/\n        box-sizing: border-box;\n    }\n\n    .cldg-card-text-column {\n        flex: 55%; \/* \u5de6\u4fa7\u6587\u672c\u680f\u5360\u6bd4 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%; \/* \u53f3\u4fa7\u56fe\u7247\u680f\u5360\u6bd4 45% *\/\n        min-height: 250px; \/* \u907f\u514d\u5728flex\u5e03\u5c40\u4e2d\u88ab\u8fc7\u5ea6\u538b\u7f29 *\/\n        box-sizing: border-box;\n    }\n\n    .cldg-card-image-column img {\n        width: 100%;\n        height: 100%;\n        object-fit: cover; \/* \u56fe\u7247\u586b\u5145\u5bb9\u5668\u4e14\u4e0d\u53d8\u5f62 *\/\n        display: block;\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: 700; \/* \u52a0\u7c97\u4ee5\u7a81\u51fa *\/\n        color: #111111;\n        margin-top: 0;\n        margin-bottom: 15px;\n        line-height: 1.3;\n    }\n\n    .cldg-card-description {\n        font-size: 16px;\n        color: #444444;\n        line-height: 1.6;\n        margin-bottom: 25px; \/* \u589e\u52a0\u4e0e\u6309\u94ae\u7684\u95f4\u8ddd *\/\n    }\n\n    \/* \u5168\u65b0\u6309\u94ae\u6837\u5f0f *\/\n    .cldg-card-cta-button {\n        display: inline-block;\n        max-width: 220px; \/* \u9650\u5236\u6700\u5927\u5bbd\u5ea6 *\/\n        box-sizing: border-box;\n        padding: 10px 26px; \/* \u5185\u8fb9\u8ddd *\/\n        font-size: 16px;\n        font-weight: 600;\n        color: #d70c19; \/* \u6587\u672c\u989c\u8272\uff1a\u7ea2\u8272 *\/\n        background-color: #ffffff; \/* \u80cc\u666f\u989c\u8272\uff1a\u767d\u8272 *\/\n        border: 2px solid #d70c19; \/* \u8fb9\u6846\uff1a2\u50cf\u7d20\u7ea2\u8272\u5b9e\u7ebf *\/\n        border-radius: 5px;\n        text-decoration: none;\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; \/* \u60ac\u505c\u65f6\u80cc\u666f\uff1a\u7ea2\u8272 *\/\n        color: #ffffff; \/* \u60ac\u505c\u65f6\u6587\u672c\uff1a\u767d\u8272 *\/\n    }\n\n    \/* \u54cd\u5e94\u5f0f\u8bbe\u8ba1\uff1a\u5728\u5bbd\u5ea6\u5c0f\u4e8e768px\u7684\u8bbe\u5907\u4e0a *\/\n    @media (max-width: 768px) {\n        .cldg-card-container {\n            flex-direction: column; \/* \u5782\u76f4\u5806\u53e0 *\/\n        }\n        .cldg-card-text-column,\n        .cldg-card-image-column {\n            flex: 100%; \/* \u6bcf\u680f\u90fd\u5360\u636e\u5168\u90e8\u5bbd\u5ea6 *\/\n        }\n        .cldg-card-text-column {\n            padding: 25px; \/* \u8c03\u6574\u5185\u8fb9\u8ddd *\/\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 papillon \u00e0 joint dur en m\u00e9tal \u00e0 trois excentriques<\/p>\n        <p class=\"cldg-card-description\">\n            1. Conception \u00e0 trois excentriques : \u00e9tanch\u00e9it\u00e9 sans frottement, prolongeant la dur\u00e9e de vie.<br>\n            2. Syst\u00e8me d&#039;\u00e9tanch\u00e9it\u00e9 dynamique \u00e9quilibr\u00e9 radial : r\u00e9duit le couple de fonctionnement et assure une \u00e9tanch\u00e9it\u00e9 bidirectionnelle.<br>\n            3. Bague d&#039;\u00e9tanch\u00e9it\u00e9 en mat\u00e9riau composite : respectueux de l&#039;environnement, r\u00e9sistant \u00e0 l&#039;usure, norme de fuite \u00e9lev\u00e9e.\n        <\/p>\n        <a href=\"https:\/\/www.pansvalve.com\/fr\/products\/three-eccentric-metal-hard-seal-butterfly-valve\/\" class=\"cldg-card-cta-button\">Voir plus de d\u00e9tails<\/a>\n    <\/div>\n\n    <div class=\"cldg-card-image-column\">\n        <img decoding=\"async\" class=\"lazyload\" data-src=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2024\/09\/1-Three-Eccentric-Metal-Hard-Seal-Butterfly-Valve_butt-weld-type.png\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" alt=\"Vanne papillon \u00e0 joint dur en m\u00e9tal \u00e0 trois excentriques\"><noscript><img decoding=\"async\" src=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2024\/09\/1-Three-Eccentric-Metal-Hard-Seal-Butterfly-Valve_butt-weld-type.png\" alt=\"Vanne papillon \u00e0 joint dur en m\u00e9tal \u00e0 trois excentriques\"><\/noscript>\n    <\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"API_598_Acceptance_Criteria_for_Allowable_Leakage\"><\/span><strong>Crit\u00e8res d&#039;acceptation de l&#039;API 598 pour les fuites admissibles<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Bien qu&#039;aucune fuite visible ne soit autoris\u00e9e pour les vannes \u00e0 si\u00e8ge \u00e9lastique, voici les taux de fuite minimaux mesur\u00e9s en gouttes par minute pour les tests de liquides et en bulles par minute pour les tests de gaz.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong><em>Taille (NPS) en pouces<\/em><\/strong><\/td><td><strong><em>Gouttes par minute<\/em><\/strong><\/td><td><strong><em>Bulles par minute<\/em><\/strong><\/td><\/tr><tr><td>\u2264 2<\/td><td>0<\/td><td>0<\/td><\/tr><tr><td>2 \u00bd&nbsp;<\/td><td>5<\/td><td>10<\/td><\/tr><tr><td>3<\/td><td>6<\/td><td>12<\/td><\/tr><tr><td>4<\/td><td>8<\/td><td>16<\/td><\/tr><tr><td>6<\/td><td>12<\/td><td>24<\/td><\/tr><tr><td>8<\/td><td>16<\/td><td>32<\/td><\/tr><tr><td>10<\/td><td>20<\/td><td>40<\/td><\/tr><tr><td>12<\/td><td>24<\/td><td>48<\/td><\/tr><tr><td>\u2265 14<\/td><td>2 x NPS<\/td><td>4 x NPS<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Common_API_598_Valve_Inspection_and_Testing_Pitfalls\"><\/span><strong>Pi\u00e8ges courants li\u00e9s \u00e0 l&#039;inspection et aux essais des vannes API 598<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Malgr\u00e9 le respect de la proc\u00e9dure d\u00e9finie, certaines erreurs courantes peuvent compromettre la pr\u00e9cision des r\u00e9sultats. Par exemple, une force excessive ou un effet de levier suppl\u00e9mentaire peuvent \u00eatre appliqu\u00e9s pour fermer une vanne lors d&#039;un test d&#039;\u00e9tanch\u00e9it\u00e9. Ceci endommage la vanne ou cr\u00e9e une \u00e9tanch\u00e9it\u00e9 temporaire, emp\u00eachant ainsi de refl\u00e9ter les performances op\u00e9rationnelles r\u00e9elles.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Une autre erreur majeure consiste \u00e0 n\u00e9gliger le contr\u00f4le de la puret\u00e9 du fluide, qu&#039;il soit liquide ou gazeux. Par exemple, lors du test de vannes en acier inoxydable aust\u00e9nitique, la teneur en chlorures de l&#039;eau n&#039;a peut-\u00eatre pas \u00e9t\u00e9 v\u00e9rifi\u00e9e. De m\u00eame, l&#039;application pr\u00e9alable d&#039;une peinture ou d&#039;un rev\u00eatement protecteur peut masquer des probl\u00e8mes de porosit\u00e9 ou des fuites au niveau des joints.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Vanne PANS pour vannes industrielles conformes aux normes API<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Zhejiang Zhedong Valve Corp., Ltd \u00e9limine les risques et garantit le succ\u00e8s des projets en respectant les normes internationales telles que <strong>API 598<\/strong> Sp\u00e9cialis\u00e9e dans la fabrication de vannes \u00e0 globe, \u00e0 guillotine et autres vannes haute performance, PANS Valve, fond\u00e9e en 1985, dispose d&#039;un site de production de 25\u00a0000\u00a0m\u00b2 \u00e0 Wenzhou, en Chine, et b\u00e9n\u00e9ficie de plus de 30\u00a0ans d&#039;exp\u00e9rience et d&#039;expertise en ing\u00e9nierie des solutions de vannes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Contactez PANS Valve d\u00e8s aujourd&#039;hui pour vous assurer que tous les composants et produits de vannes utilis\u00e9s dans votre syst\u00e8me industriel sont test\u00e9s et conformes aux normes API.<\/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>Quick Answer: API 598 Testing API 598 establishes the essential global standards for pressure-testing, seat tightness, and body integrity in industrial valves. It provides critical procedures for evaluating valve performance, including shell, closure, and backseat tests, before units enter service. PANS Valve integrates these rigorous API 598 protocols into all manufacturing, ensuring every industrial valve [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4424,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-4422","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge-center"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>API 598 Valve Testing Standard Inspection &amp; Testing Guide<\/title>\n<meta name=\"description\" content=\"Learn how the API 598 valve inspection and testing standard works when ordering industrial valves from PANS Valve.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.pansvalve.com\/fr\/knowledge-center\/api-598-valve-testing-guide\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"API 598 Valve Testing Standard Inspection &amp; 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