{"id":4066,"date":"2026-04-03T18:27:19","date_gmt":"2026-04-03T10:27:19","guid":{"rendered":"https:\/\/www.pansvalve.com\/?p=4066"},"modified":"2026-04-07T09:17:46","modified_gmt":"2026-04-07T01:17:46","slug":"how-to-decode-ball-valve-markings-understanding-cwp-wog","status":"publish","type":"post","link":"https:\/\/www.pansvalve.com\/fr\/blog\/how-to-decode-ball-valve-markings-understanding-cwp-wog\/","title":{"rendered":"Comment d\u00e9coder les marquages des vannes \u00e0 bille\u00a0? Comprendre le CWP et le WOG"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 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\/how-to-decode-ball-valve-markings-understanding-cwp-wog\/#What_Are_Ball_Valve_Markings\" >Que signifient les marquages sur une vanne \u00e0 bille ?<\/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\/how-to-decode-ball-valve-markings-understanding-cwp-wog\/#What_Does_WOG_Mean_on_a_Ball_Valve\" >Que signifie WOG sur une vanne \u00e0 bille ?<\/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\/how-to-decode-ball-valve-markings-understanding-cwp-wog\/#What_Does_CWP_Mean_on_a_Ball_Valve\" >Que signifie CWP sur une vanne \u00e0 bille ?<\/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\/how-to-decode-ball-valve-markings-understanding-cwp-wog\/#What_Does_CWP_Mean_on_a_Ball_Valve-2\" >Que signifie CWP sur une vanne \u00e0 bille ?<\/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\/how-to-decode-ball-valve-markings-understanding-cwp-wog\/#WOG_vs_CWP_What_Is_the_Difference\" >WOG vs CWP : Quelle est la diff\u00e9rence ?<\/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\/how-to-decode-ball-valve-markings-understanding-cwp-wog\/#What_Does_600_WOG_Mean_on_a_Ball_Valve\" >Que signifie la valeur 600 WOG sur une vanne \u00e0 bille ?<\/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\/how-to-decode-ball-valve-markings-understanding-cwp-wog\/#What_Does_600_CWP_Mean_on_a_Ball_Valve\" >Que signifie la valeur 600 CWP sur une vanne \u00e0 bille ?<\/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\/how-to-decode-ball-valve-markings-understanding-cwp-wog\/#Understanding_Ball_Valve_Class_Ratings\" >Comprendre les classes de classification des vannes \u00e0 bille<\/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.pansvalve.com\/fr\/blog\/how-to-decode-ball-valve-markings-understanding-cwp-wog\/#How_to_Read_Valve_Body_Markings\" >Comment lire les marquages du corps de vanne<\/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.pansvalve.com\/fr\/blog\/how-to-decode-ball-valve-markings-understanding-cwp-wog\/#Understanding_Material_Markings_WCB_CF8_CF8M\" >Comprendre le marquage des mat\u00e9riaux (WCB, CF8, CF8M)<\/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.pansvalve.com\/fr\/blog\/how-to-decode-ball-valve-markings-understanding-cwp-wog\/#Common_Mistakes_When_Reading_Valve_Markings\" >Erreurs fr\u00e9quentes lors de la lecture des marquages des vannes<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.pansvalve.com\/fr\/blog\/how-to-decode-ball-valve-markings-understanding-cwp-wog\/#How_PANS_VALVE_Supports_Reliable_Selection\" >Comment PANS VALVE favorise une s\u00e9lection fiable<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.pansvalve.com\/fr\/blog\/how-to-decode-ball-valve-markings-understanding-cwp-wog\/#Why_Understanding_WOG_Ball_Valve_Ratings_Is_Important\" >Pourquoi il est important de comprendre les caract\u00e9ristiques des vannes \u00e0 bille WOG<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.pansvalve.com\/fr\/blog\/how-to-decode-ball-valve-markings-understanding-cwp-wog\/#Conclusion\" >Conclusion<\/a><\/li><\/ul><\/nav><\/div>\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"512\" height=\"280\" src=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-1.webp\" alt=\"\" class=\"wp-image-4070\" srcset=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-1.webp 512w, https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-1-300x164.webp 300w, https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-1-18x10.webp 18w\" sizes=\"(max-width: 512px) 100vw, 512px\" \/><\/figure>\n\n\n\n<p>Les marquages des vannes \u00e0 boisseau sph\u00e9rique indiquent les pressions et temp\u00e9ratures maximales qu&#039;elles peuvent supporter. Des indications comme WOG et CWP pr\u00e9cisent si la vanne est adapt\u00e9e \u00e0 l&#039;eau, \u00e0 l&#039;huile, au gaz ou aux syst\u00e8mes \u00e0 temp\u00e9rature contr\u00f4l\u00e9e. Comprendre ces marquages permet de choisir la vanne appropri\u00e9e et d&#039;\u00e9viter des erreurs co\u00fbteuses.<\/p>\n\n\n\n<p>Ce guide explique les principaux marquages en termes simples, montre comment les lire \u00e9tape par \u00e9tape et aide les d\u00e9butants \u00e0 comprendre ce qui compte le plus dans les applications r\u00e9elles.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Are_Ball_Valve_Markings\"><\/span><strong>Que signifient les marquages sur une vanne \u00e0 bille ?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"512\" height=\"265\" src=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-2.webp\" alt=\"\" class=\"wp-image-4071\" srcset=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-2.webp 512w, https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-2-300x155.webp 300w, https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-2-18x9.webp 18w\" sizes=\"(max-width: 512px) 100vw, 512px\" \/><\/figure>\n\n\n\n<p>Les marquages des vannes \u00e0 bille sont des d\u00e9tails grav\u00e9s sur le corps de la vanne. Ces marquages indiquent la pression nominale, le type de mat\u00e9riau, la taille et la conformit\u00e9 aux normes.<\/p>\n\n\n\n<p>Elles servent dans les syst\u00e8mes d&#039;ing\u00e9nierie \u00e0 garantir que la vanne est adapt\u00e9e aux conditions de fonctionnement. Sans les comprendre, il est facile de choisir la mauvaise vanne.<\/p>\n\n\n\n<p>Ainsi, le marquage des vannes r\u00e9pond \u00e0 trois questions essentielles\u00a0: il indique la pression maximale admissible, le mat\u00e9riau de fabrication et les applications autoris\u00e9es.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Does_WOG_Mean_on_a_Ball_Valve\"><\/span><strong>Que signifie WOG sur une vanne \u00e0 bille ?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"512\" height=\"280\" src=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-3.webp\" alt=\"\" class=\"wp-image-4072\" srcset=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-3.webp 512w, https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-3-300x164.webp 300w, https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-3-18x10.webp 18w\" sizes=\"(max-width: 512px) 100vw, 512px\" \/><\/figure>\n\n\n\n<p>WOG signifie Eau, Huile et Gaz. Cela d\u00e9finit la pression maximale que la vanne peut supporter pour ces fluides dans des conditions de temp\u00e9rature normales.<\/p>\n\n\n\n<p>Lorsqu&#039;une vanne porte ce marquage, cela signifie qu&#039;elle est con\u00e7ue pour les syst\u00e8mes de liquides et de gaz sans variations de temp\u00e9rature extr\u00eames.<\/p>\n\n\n\n<p>Par exemple, un <strong>vanne \u00e0 bille WOG<\/strong> La mention 600 signifie que la vanne peut supporter une pression de 600 PSI pour l&#039;eau, l&#039;huile ou le gaz \u00e0 environ 100 \u00b0F.<\/p>\n\n\n\n<p>Cette norme est largement utilis\u00e9e car de nombreux syst\u00e8mes industriels fonctionnent dans cette plage de fonctionnement. C&#039;est l\u00e0 que beaucoup se trompent\u00a0: la norme WOG ne s&#039;applique pas \u00e0 la vapeur.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Does_CWP_Mean_on_a_Ball_Valve\"><\/span><strong>Que signifie CWP sur une vanne \u00e0 bille ?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"512\" height=\"272\" src=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-4.webp\" alt=\"\" class=\"wp-image-4073\" srcset=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-4.webp 512w, https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-4-300x159.webp 300w, https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-4-18x10.webp 18w\" sizes=\"(max-width: 512px) 100vw, 512px\" \/><\/figure>\n\n\n\n<p>WOG signifie Eau, Huile et Gaz. Cela d\u00e9finit la pression maximale que la vanne peut supporter pour ces fluides dans des conditions de temp\u00e9rature normales.<\/p>\n\n\n\n<p>Lorsqu&#039;une vanne porte ce marquage, cela signifie qu&#039;elle est con\u00e7ue pour les syst\u00e8mes de liquides et de gaz sans variations de temp\u00e9rature extr\u00eames.<\/p>\n\n\n\n<p>Par exemple, un <strong>vanne \u00e0 bille WOG<\/strong> La mention 600 signifie que la vanne peut supporter une pression de 600 PSI pour l&#039;eau, l&#039;huile ou le gaz \u00e0 environ 100 \u00b0F.<\/p>\n\n\n\n<p>Cette norme est largement utilis\u00e9e car de nombreux syst\u00e8mes industriels fonctionnent dans cette plage de fonctionnement. C&#039;est l\u00e0 que beaucoup se trompent\u00a0: la norme WOG ne s&#039;applique pas \u00e0 la vapeur.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Does_CWP_Mean_on_a_Ball_Valve-2\"><\/span><strong>Que signifie CWP sur une vanne \u00e0 bille ?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>CWP signifie Cold Working Pressure (pression de service \u00e0 froid). Cela indique la pression maximale qu&#039;une vanne peut supporter \u00e0 basse temp\u00e9rature.<\/p>\n\n\n\n<p>Cette classification porte sur la stabilit\u00e9 de la pression plut\u00f4t que sur le type de fluide. Elle est souvent utilis\u00e9e dans les syst\u00e8mes o\u00f9 la temp\u00e9rature reste contr\u00f4l\u00e9e.<\/p>\n\n\n\n<p>Si une vanne affiche 600 CWP, cela signifie qu&#039;elle peut supporter une pression de 600 PSI \u00e0 basse temp\u00e9rature. Une vanne \u00e0 boisseau sph\u00e9rique 600 CWP est couramment utilis\u00e9e dans les canalisations d&#039;eau, les syst\u00e8mes de chauffage, ventilation et climatisation (CVC) et dans l&#039;industrie en g\u00e9n\u00e9ral.<\/p>\n\n\n\n<p>Bien que les valeurs de CWP et de WOG soient souvent similaires, elles ne sont pas identiques. La diff\u00e9rence provient de l&#039;influence de la temp\u00e9rature sur les limites de pression.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"WOG_vs_CWP_What_Is_the_Difference\"><\/span><strong>WOG vs CWP : Quelle est la diff\u00e9rence ?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Comprendre la diff\u00e9rence entre ces deux marquages permet d&#039;\u00e9viter une s\u00e9lection incorrecte de la vanne.<\/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>WOG<\/strong><\/td><td><strong>CWP<\/strong><\/td><\/tr><tr><td>Signification<\/td><td>Eau, p\u00e9trole, gaz<\/td><td>Pression de service \u00e0 froid<\/td><\/tr><tr><td>Se concentrer<\/td><td>Type fluide<\/td><td>Conditions de temp\u00e9rature<\/td><\/tr><tr><td>Temp\u00e9rature<\/td><td>Standard (environ 100\u00b0F)<\/td><td>basse temp\u00e9rature<\/td><\/tr><tr><td>Application<\/td><td>Liquides et gaz<\/td><td>Syst\u00e8mes contr\u00f4l\u00e9s<\/td><\/tr><tr><td>Utilisation de la vapeur<\/td><td>Ne convient pas<\/td><td>Ne convient pas<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Cela montre que les deux syst\u00e8mes de notation sont utiles, mais qu&#039;ils servent des objectifs l\u00e9g\u00e8rement diff\u00e9rents.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Does_600_WOG_Mean_on_a_Ball_Valve\"><\/span><strong>Que signifie la valeur 600 WOG sur une vanne \u00e0 bille ?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"512\" height=\"279\" src=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-5.webp\" alt=\"\" class=\"wp-image-4074\" srcset=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-5.webp 512w, https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-5-300x163.webp 300w, https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-5-18x10.webp 18w\" sizes=\"(max-width: 512px) 100vw, 512px\" \/><\/figure>\n\n\n\n<p>La mention 600 WOG signifie que la vanne peut supporter une pression de 600 PSI pour l&#039;eau, l&#039;huile ou le gaz dans des conditions standard.<\/p>\n\n\n\n<p>Vous trouverez cette indication sur la plupart des vannes d&#039;usage courant. C&#039;est l&#039;une des plus faciles \u00e0 identifier. Cependant, elle ne garantit pas le bon fonctionnement des vannes \u00e0 haute temp\u00e9rature ou en pr\u00e9sence de vapeur.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Does_600_CWP_Mean_on_a_Ball_Valve\"><\/span><strong>Que signifie la valeur 600 CWP sur une vanne \u00e0 bille ?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>La mention 600 CWP signifie que la vanne peut supporter une pression de 600 PSI dans des conditions de fonctionnement \u00e0 froid.<\/p>\n\n\n\n<p>Vous trouverez cette valeur nominale sur la plupart des vannes utilis\u00e9es dans les syst\u00e8mes o\u00f9 la temp\u00e9rature est stable. Elle fournit une r\u00e9f\u00e9rence fiable pour la capacit\u00e9 de pression.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Understanding_Ball_Valve_Class_Ratings\"><\/span><strong>Comprendre les classes de classification des vannes \u00e0 bille<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>En plus des indications WOG et CWP, vous verrez souvent des marquages tels que vanne \u00e0 bille classe 600 ou 150Lb.<\/p>\n\n\n\n<p>Ces marquages sont conformes aux normes industrielles et fournissent une indication plus compl\u00e8te de la pression et de la temp\u00e9rature.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"512\" height=\"280\" src=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-6.webp\" alt=\"\" class=\"wp-image-4075\" srcset=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-6.webp 512w, https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-6-300x164.webp 300w, https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-6-18x10.webp 18w\" sizes=\"(max-width: 512px) 100vw, 512px\" \/><\/figure>\n\n\n\n<p>La classe 600 indique une capacit\u00e9 de pression plus \u00e9lev\u00e9e que les classes 150 ou 300. Cependant, la limite de pression r\u00e9elle d\u00e9pend de la temp\u00e9rature.<\/p>\n\n\n\n<p>C\u2019est pourquoi les classes de classification sont importantes dans les syst\u00e8mes industriels o\u00f9 la pression et la temp\u00e9rature varient.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_to_Read_Valve_Body_Markings\"><\/span><strong>Comment lire les marquages du corps de vanne<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"512\" height=\"268\" src=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-7.webp\" alt=\"\" class=\"wp-image-4076\" srcset=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-7.webp 512w, https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-7-300x157.webp 300w, https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-7-18x9.webp 18w\" sizes=\"(max-width: 512px) 100vw, 512px\" \/><\/figure>\n\n\n\n<p>La lecture d&#039;une vanne devient plus facile lorsqu&#039;on suit un ordre pr\u00e9cis.<\/p>\n\n\n\n<p>Si vous examinez une vanne pour la premi\u00e8re fois, v\u00e9rifiez d&#039;abord le marquage de pression. Cela vous indiquera imm\u00e9diatement si elle est compatible avec votre syst\u00e8me. V\u00e9rifiez ensuite sa classe de pression, par exemple la classe 600. Enfin, examinez le code du mat\u00e9riau et la taille.<\/p>\n\n\n\n<p>Par exemple, une vanne marqu\u00e9e \u201c\u00a0600 WOG CF8M 150Lb\u00a0\u201d indique la pression nominale, le type de mat\u00e9riau et la norme de classe.<\/p>\n\n\n\n<p>En suivant cet ordre, vous pourrez savoir en quelques secondes si la vanne conviendra \u00e0 votre syst\u00e8me.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Understanding_Material_Markings_WCB_CF8_CF8M\"><\/span><strong>Comprendre le marquage des mat\u00e9riaux (WCB, CF8, CF8M)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Le marquage des mat\u00e9riaux indique la composition du corps de la vanne. Ces mat\u00e9riaux influent sur la r\u00e9sistance, la r\u00e9sistance \u00e0 la corrosion et l&#039;application.<\/p>\n\n\n\n<p>WCB d\u00e9signe l&#039;acier au carbone. Il est r\u00e9sistant et largement utilis\u00e9 dans les syst\u00e8mes industriels.<\/p>\n\n\n\n<p>CF8 d\u00e9signe l&#039;acier inoxydable. Il offre une meilleure r\u00e9sistance \u00e0 la corrosion.<\/p>\n\n\n\n<p>L&#039;acier inoxydable CF8M est de qualit\u00e9 sup\u00e9rieure. Il offre de meilleures performances dans les environnements chimiques et corrosifs.<\/p>\n\n\n\n<p>Choisir le bon mat\u00e9riau est tout aussi important que de s\u00e9lectionner la pression nominale appropri\u00e9e.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Common_Mistakes_When_Reading_Valve_Markings\"><\/span><strong>Erreurs fr\u00e9quentes lors de la lecture des marquages des vannes<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Une erreur fr\u00e9quente consiste \u00e0 supposer que les \u00e9valuations WOG s&#039;appliquent \u00e0 la vapeur. C&#039;est incorrect et cela peut mener \u00e0 un \u00e9chec.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"512\" height=\"274\" src=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-8.webp\" alt=\"\" class=\"wp-image-4077\" srcset=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-8.webp 512w, https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-8-300x161.webp 300w, https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/7-8-18x10.webp 18w\" sizes=\"(max-width: 512px) 100vw, 512px\" \/><\/figure>\n\n\n\n<p>Une autre erreur consiste \u00e0 ignorer la temp\u00e9rature. La pression nominale diminue lorsque la temp\u00e9rature augmente.<\/p>\n\n\n\n<p>Certains utilisateurs se concentrent \u00e9galement uniquement sur<a href=\"https:\/\/www.pansvalve.com\/fr\/blog\/butterfly-valve\/understanding-valve-sizing-for-optimal-selection\/\"> taille de la vanne <\/a>et ignorer les classifications des mat\u00e9riaux et des classes. Cela peut entra\u00eener des probl\u00e8mes de compatibilit\u00e9 dans les syst\u00e8mes exigeants.<\/p>\n\n\n\n<p>Comprendre l&#039;ensemble des marquages permet d&#039;\u00e9viter ces probl\u00e8mes.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_PANS_VALVE_Supports_Reliable_Selection\"><\/span><strong>Comment PANS VALVE favorise une s\u00e9lection fiable<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Le choix de la vanne d\u00e9pend non seulement du marquage, mais aussi de la qualit\u00e9 de fabrication.<\/p>\n\n\n\n<p>PANS VALVE fabrique des vannes industrielles depuis 1985 et propose des solutions pour les syst\u00e8mes p\u00e9troliers, gaziers et \u00e9nerg\u00e9tiques du monde entier.<\/p>\n\n\n\n<p>Leurs vannes sont conformes aux<a href=\"https:\/\/www.pansvalve.com\/fr\/blog\/what-is-api-6d-standard\/\"> API 6D<\/a>, CE, et <a href=\"https:\/\/www.pansvalve.com\/fr\/blog\/ball-valve\/ball-valve-standards-and-certification-guide\/\">normes ISO<\/a>. Cela garantit des performances homog\u00e8nes entre les applications.<\/p>\n\n\n\n<p>L&#039;entreprise utilise \u00e9galement des machines CNC de pointe et des processus de contr\u00f4le qualit\u00e9 rigoureux pour r\u00e9pondre aux exigences du secteur.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_Understanding_WOG_Ball_Valve_Ratings_Is_Important\"><\/span><strong>Pourquoi il est important de comprendre les caract\u00e9ristiques des vannes \u00e0 bille WOG<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Une fois que vous aurez compris ces marquages, vous n&#039;aurez plus besoin de deviner et vous pourrez choisir la bonne vanne.<\/p>\n\n\n\n<p>Elle permet d&#039;adapter la vanne aux exigences de pression, de temp\u00e9rature et de mat\u00e9riau. M\u00eame les d\u00e9butants peuvent am\u00e9liorer la s\u00e9curit\u00e9 du syst\u00e8me en apprenant \u00e0 lire ces marquages simples.<\/p>\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>Lire les marquages d&#039;une vanne \u00e0 boisseau sph\u00e9rique n&#039;est pas difficile une fois qu&#039;on conna\u00eet la signification de chaque code. Commencez par la taille, puis le mat\u00e9riau, et enfin v\u00e9rifiez la pression, le service et la classe.<\/p>\n\n\n\n<p>Si vous avez besoin d&#039;aide pour faire correspondre ces marquages \u00e0 votre projet,<a href=\"https:\/\/www.pansvalve.com\/fr\"> VALVE DE CASSEROLES<\/a> offre une <a href=\"https:\/\/www.pansvalve.com\/fr\/ball-valve-collection\/\">collection de vannes \u00e0 bille pour applications industrielles<\/a> et apporte son soutien aux acheteurs en leur fournissant des conseils techniques, des capacit\u00e9s de fabrication et une production ax\u00e9e sur les normes.&nbsp;<\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>Ball valve markings show how much pressure and temperature a valve can safely handle. The markings like WOG and CWP tell you whether a valve is suitable for water, oil, gas, or controlled temperature systems. If you understand these markings, you can choose the right valve and avoid costly mistakes. This guide explains the key [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4070,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[191,158],"tags":[],"class_list":["post-4066","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ball-valve","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How to Decode Ball Valve Markings? 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