{"id":5982,"date":"2022-08-23T12:17:31","date_gmt":"2022-08-23T04:17:31","guid":{"rendered":"https:\/\/www.stvvalves.com\/?page_id=5982"},"modified":"2025-12-16T15:49:35","modified_gmt":"2025-12-16T07:49:35","slug":"china-ball-valve-supplier","status":"publish","type":"page","link":"https:\/\/www.stvvalves.com\/fr\/china-ball-valve-supplier\/","title":{"rendered":"Fabricant et fournisseur de robinets \u00e0 tournant sph\u00e9rique Chine"},"content":{"rendered":"<div class=\"flex_column av_one_full  flex_column_div av-zero-column-padding first\" style='border-radius:0px; '><p><div style='padding-bottom:10px;' class='av-special-heading av-special-heading-h2'><div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 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 of Contents<\/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=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/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.stvvalves.com\/fr\/china-ball-valve-supplier\/#China_Ball_Valve_Manufacturer_And_Supplier\" >Fabricant et fournisseur de robinets \u00e0 tournant sph\u00e9rique en Chine<\/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.stvvalves.com\/fr\/china-ball-valve-supplier\/#China_Ball_Valve_Product\" >Produit de robinet \u00e0 bille en Chine<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.stvvalves.com\/fr\/china-ball-valve-supplier\/#China_Cast_Steel_Ball_Valve\" >Chine Robinet \u00e0 tournant sph\u00e9rique en acier moul\u00e9<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.stvvalves.com\/fr\/china-ball-valve-supplier\/#China_Flange_Ball_Valve\" >Chine Robinet \u00e0 bille \u00e0 bride<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.stvvalves.com\/fr\/china-ball-valve-supplier\/#China_Floating_Ball_Valve\" >Chine Robinet \u00e0 tournant sph\u00e9rique flottant<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.stvvalves.com\/fr\/china-ball-valve-supplier\/#China_Forged_Steel_Ball_Valve\" >Chine Robinet \u00e0 tournant sph\u00e9rique en acier forg\u00e9<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.stvvalves.com\/fr\/china-ball-valve-supplier\/#China_Stainless_Steel_Ball_Valve\" >Chine Robinet \u00e0 tournant sph\u00e9rique en acier inoxydable<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.stvvalves.com\/fr\/china-ball-valve-supplier\/#China_Threaded_Ball_Valve\" >Chine Robinet \u00e0 tournant sph\u00e9rique filet\u00e9<\/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.stvvalves.com\/fr\/china-ball-valve-supplier\/#China_Trunnion_Ball_Valve\" >Chine Robinet \u00e0 tournant sph\u00e9rique de tourillon<\/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.stvvalves.com\/fr\/china-ball-valve-supplier\/#Questions_About_China_Ball_Valves\" >Questions sur les robinets \u00e0 tournant sph\u00e9rique en Chine<\/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.stvvalves.com\/fr\/china-ball-valve-supplier\/#Contact_Us\" >Contactez-nous<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class='av-special-heading-tag'  ><span class=\"ez-toc-section\" id=\"China_Ball_Valve_Manufacturer_And_Supplier\"><\/span>Fabricant et fournisseur de robinets \u00e0 tournant sph\u00e9rique en Chine<span class=\"ez-toc-section-end\"><\/span><\/h2><div class='special-heading-border'><div class='special-heading-inner-border' ><\/div><\/div><\/div><br \/>\n<section class=\"av_textblock_section\" ><div class='avia_textblock'  ><p>STV Valve Technology Group CO., LTD est l&#039;un des principaux <strong>Chine Fabricant et fournisseur de robinets \u00e0 tournant sph\u00e9rique<\/strong>. Nous sommes fiers de fabriquer et de fournir une large gamme de robinets \u00e0 tournant sph\u00e9rique en Chine. Nos robinets \u00e0 tournant sph\u00e9rique ont une longue dur\u00e9e de vie et une fonction d&#039;\u00e9tanch\u00e9it\u00e9 fiable qui aident nos partenaires commerciaux \u00e0 \u00e9trangler les gaz et les vapeurs et sont utiles dans les situations de faible d\u00e9bit, en particulier dans l&#039;industrie p\u00e9troli\u00e8re et gazi\u00e8re.<\/p>\n<\/div><\/section><\/p><\/div><div style='padding-bottom:10px;' class='av-special-heading av-special-heading-h2'><h2 class='av-special-heading-tag'  ><span class=\"ez-toc-section\" id=\"China_Ball_Valve_Product\"><\/span>Produit de robinet \u00e0 bille en Chine<span class=\"ez-toc-section-end\"><\/span><\/h2><div class='special-heading-border'><div class='special-heading-inner-border' ><\/div><\/div><\/div><\/p>\n<section class=\"av_textblock_section\" ><div class='avia_textblock'  ><p>Le robinet \u00e0 tournant sph\u00e9rique est une alternative \u00e9conomique aux autres robinets. Le robinet \u00e0 tournant sph\u00e9rique de Chine utilise une bille m\u00e9tallique avec un trou traversant le centre, pris en sandwich entre deux si\u00e8ges pour g\u00e9rer le flux int\u00e9rieur de gaz et de vapeurs. Utilis\u00e9s dans de nombreuses applications de proc\u00e9dures d&#039;hydrocarbures, les robinets \u00e0 tournant sph\u00e9rique peuvent \u00e9trangler les gaz et les vapeurs et sont particuli\u00e8rement utiles dans les cas de faible d\u00e9bit. Ces robinets \u00e0 tournant sph\u00e9rique s&#039;ouvrent rapidement et offrent une fermeture tr\u00e8s \u00e9tanche sur les fluides difficiles \u00e0 retenir. Les robinets \u00e0 tournant sph\u00e9rique chinois sont largement utilis\u00e9s dans l&#039;industrie.<\/p>\n<\/div><\/section>\n<div class=\"flex_column av_one_third  flex_column_div av-zero-column-padding first\" style='border-width:1px; border-color:#07385e; border-style:solid; border-radius:0px; '><p><div class='avia-image-container  av-styling- av-hover-grow   avia-align-center'  ><div class='avia-image-container-inner'><a href='https:\/\/www.stvvalves.com\/fr\/wholesale\/ball-valve\/cast-steel-ball-valve\/' class='avia_image'  ><img class='avia_image' src='https:\/\/www.stvvalves.com\/wp-content\/uploads\/2021\/05\/Cast-Steel-Ball-Valve.jpg' alt='China Cast Steel Ball Valve' title='Robinet \u00e0 tournant sph\u00e9rique en acier moul\u00e9'  \/><\/a><\/div><\/div><br \/>\n<section class=\"av_textblock_section\" ><div class='avia_textblock'  ><h3 class=\"main-title entry-title\" style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"China_Cast_Steel_Ball_Valve\"><\/span>Chine Robinet \u00e0 tournant sph\u00e9rique en acier moul\u00e9<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class='avia-button-wrap avia-button-center'><a href='https:\/\/www.stvvalves.com\/fr\/wholesale\/ball-valve\/cast-steel-ball-valve\/' class='avia-button   avia-icon_select-no avia-color-custom avia-size-small avia-position-center'  style='background-color:#07385e; border-color:#07385e; color:#ffffff; ' ><span class='avia_iconbox_title' >Plus<\/span><\/a><\/div>\n<\/div><\/section><\/p><\/div>\n<div class=\"flex_column av_one_third  flex_column_div av-zero-column-padding\" style='border-width:1px; border-color:#07385e; border-style:solid; border-radius:0px; '><p><div class='avia-image-container  av-styling-    avia-align-center'  ><div class='avia-image-container-inner'><a href='https:\/\/www.stvvalves.com\/fr\/wholesale\/ball-valve\/flange-ball-valve\/' class='avia_image'  ><img class='avia_image' src='https:\/\/www.stvvalves.com\/wp-content\/uploads\/2021\/05\/Flange-Ball-Valve.jpg' alt='China Flange Ball Valve' title='Robinet \u00e0 tournant sph\u00e9rique \u00e0 bride'  \/><\/a><\/div><\/div><br \/>\n<section class=\"av_textblock_section\" ><div class='avia_textblock'  ><h3 class=\"av-special-heading-tag\" style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"China_Flange_Ball_Valve\"><\/span>Chine Robinet \u00e0 bille \u00e0 bride<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class='avia-button-wrap avia-button-center'><a href='https:\/\/www.stvvalves.com\/fr\/wholesale\/ball-valve\/flange-ball-valve\/' class='avia-button   avia-icon_select-no avia-color-custom avia-size-small avia-position-center'  style='background-color:#07385e; border-color:#07385e; color:#ffffff; ' ><span class='avia_iconbox_title' >Plus<\/span><\/a><\/div>\n<\/div><\/section><\/p><\/div>\n<div class=\"flex_column av_one_third  flex_column_div av-zero-column-padding\" style='border-width:1px; border-color:#07385e; border-style:solid; border-radius:0px; '><p><div class='avia-image-container  av-styling-    avia-align-center'  ><div class='avia-image-container-inner'><a href='https:\/\/www.stvvalves.com\/fr\/wholesale\/ball-valve\/floating-ball-valve\/' class='avia_image'  ><img class='avia_image' src='https:\/\/www.stvvalves.com\/wp-content\/uploads\/2021\/05\/Floating-Ball-Valve.jpg' alt='China floating ball valve' title='Robinet \u00e0 tournant sph\u00e9rique flottant'  \/><\/a><\/div><\/div><br \/>\n<section class=\"av_textblock_section\" ><div class='avia_textblock'  ><h3 class=\"av-special-heading-tag\" style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"China_Floating_Ball_Valve\"><\/span>Chine Robinet \u00e0 tournant sph\u00e9rique flottant<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class='avia-button-wrap avia-button-center'><a href='https:\/\/www.stvvalves.com\/fr\/wholesale\/ball-valve\/floating-ball-valve\/' class='avia-button   avia-icon_select-no avia-color-custom avia-size-small avia-position-center'  style='background-color:#07385e; border-color:#07385e; color:#ffffff; ' ><span class='avia_iconbox_title' >Plus<\/span><\/a><\/div>\n<\/div><\/section><\/p><\/div>\n<div class=\"flex_column av_one_third  flex_column_div av-zero-column-padding first\" style='border-width:1px; border-color:#07385e; border-style:solid; border-radius:0px; '><p><div class='avia-image-container  av-styling-    avia-align-center'  ><div class='avia-image-container-inner'><a href='https:\/\/www.stvvalves.com\/fr\/wholesale\/ball-valve\/forged-steel-ball-valve\/' class='avia_image'  ><img class='avia_image' src='https:\/\/www.stvvalves.com\/wp-content\/uploads\/2021\/05\/Forged-Steel-Ball-Valve.jpg' alt='china forged ball valve' title='Robinet \u00e0 tournant sph\u00e9rique en acier forg\u00e9'  \/><\/a><\/div><\/div><br \/>\n<section class=\"av_textblock_section\" ><div class='avia_textblock'  ><h3 class=\"main-title entry-title\" style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"China_Forged_Steel_Ball_Valve\"><\/span>Chine Robinet \u00e0 tournant sph\u00e9rique en acier forg\u00e9<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class='avia-button-wrap avia-button-center'><a href='https:\/\/www.stvvalves.com\/fr\/wholesale\/ball-valve\/forged-steel-ball-valve\/' class='avia-button   avia-icon_select-no avia-color-custom avia-size-small avia-position-center'  style='background-color:#07385e; border-color:#07385e; color:#ffffff; ' ><span class='avia_iconbox_title' >Plus<\/span><\/a><\/div>\n<\/div><\/section><\/p><\/div>\n<div class=\"flex_column av_one_third  flex_column_div av-zero-column-padding\" style='border-width:1px; border-color:#07385e; border-style:solid; border-radius:0px; '><p><div class='avia-image-container  av-styling-    avia-align-center'  ><div class='avia-image-container-inner'><a href='https:\/\/www.stvvalves.com\/fr\/wholesale\/ball-valve\/stainless-steel-ball-valve\/' class='avia_image'  ><img class='avia_image' src='https:\/\/www.stvvalves.com\/wp-content\/uploads\/2021\/05\/Stainless-Steal-Ball-Valve.jpg' alt='china stainless steel ball valve' title='Robinet \u00e0 tournant sph\u00e9rique en acier inoxydable'  \/><\/a><\/div><\/div><br \/>\n<section class=\"av_textblock_section\" ><div class='avia_textblock'  ><h3 class=\"main-title entry-title\" style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"China_Stainless_Steel_Ball_Valve\"><\/span>Chine Robinet \u00e0 tournant sph\u00e9rique en acier inoxydable<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class='avia-button-wrap avia-button-center'><a href='https:\/\/www.stvvalves.com\/fr\/wholesale\/ball-valve\/stainless-steel-ball-valve\/' class='avia-button   avia-icon_select-no avia-color-custom avia-size-small avia-position-center'  style='background-color:#07385e; border-color:#07385e; color:#ffffff; ' ><span class='avia_iconbox_title' >Plus<\/span><\/a><\/div>\n<\/div><\/section><\/p><\/div>\n<div class=\"flex_column av_one_third  flex_column_div av-zero-column-padding\" style='border-width:1px; border-color:#07385e; border-style:solid; border-radius:0px; '><p><div class='avia-image-container  av-styling-    avia-align-center'  ><div class='avia-image-container-inner'><a href='https:\/\/www.stvvalves.com\/fr\/wholesale\/ball-valve\/threaded-ball-valve\/' class='avia_image'  ><img class='avia_image' src='https:\/\/www.stvvalves.com\/wp-content\/uploads\/2021\/05\/Threaded-Ball-Valve.jpg' alt='Threaded Ball Valve' title='Robinet \u00e0 tournant sph\u00e9rique filet\u00e9'  \/><\/a><\/div><\/div><br \/>\n<section class=\"av_textblock_section\" ><div class='avia_textblock'  ><h3 class=\"main-title entry-title\" style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"China_Threaded_Ball_Valve\"><\/span>Chine Robinet \u00e0 tournant sph\u00e9rique filet\u00e9<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class='avia-button-wrap avia-button-center'><a href='https:\/\/www.stvvalves.com\/fr\/wholesale\/ball-valve\/threaded-ball-valve\/' class='avia-button   avia-icon_select-no avia-color-custom avia-size-small avia-position-center'  style='background-color:#07385e; border-color:#07385e; color:#ffffff; ' ><span class='avia_iconbox_title' >Plus<\/span><\/a><\/div>\n<\/div><\/section><\/p><\/div>\n<div class=\"flex_column av_one_third  flex_column_div av-zero-column-padding first\" style='border-width:1px; border-color:#07385e; border-style:solid; border-radius:0px; '><p><div class='avia-image-container  av-styling-    avia-align-center'  ><div class='avia-image-container-inner'><a href='https:\/\/www.stvvalves.com\/fr\/wholesale\/ball-valve\/trunnion-ball-valve\/' class='avia_image'  ><img class='avia_image' src='https:\/\/www.stvvalves.com\/wp-content\/uploads\/2021\/05\/Trunnion-Ball-Valve.jpg' alt='trunnion mounted ball valve china' title='Robinet \u00e0 bille \u00e0 tourillon'  \/><\/a><\/div><\/div><br \/>\n<section class=\"av_textblock_section\" ><div class='avia_textblock'  ><h3 class=\"main-title entry-title\" style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"China_Trunnion_Ball_Valve\"><\/span>Chine Robinet \u00e0 tournant sph\u00e9rique de tourillon<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class='avia-button-wrap avia-button-center'><a href='https:\/\/www.stvvalves.com\/fr\/wholesale\/ball-valve\/trunnion-ball-valve\/' class='avia-button   avia-icon_select-no avia-color-custom avia-size-small avia-position-center'  style='background-color:#07385e; border-color:#07385e; color:#ffffff; ' ><span class='avia_iconbox_title' >Plus<\/span><\/a><\/div>\n<\/div><\/section><\/p><\/div>\n<div style='padding-bottom:10px;' class='av-special-heading av-special-heading-h2'><h2 class='av-special-heading-tag'  ><span class=\"ez-toc-section\" id=\"Questions_About_China_Ball_Valves\"><\/span>Questions sur les robinets \u00e0 tournant sph\u00e9rique en Chine<span class=\"ez-toc-section-end\"><\/span><\/h2><div class='special-heading-border'><div class='special-heading-inner-border' ><\/div><\/div><\/div>\n<div class=\"togglecontainer   toggle_close_all\" >\n<section class=\"av_toggle_section\"  >    <div class=\"single_toggle\" data-tags=\"{Tout} \"  >        <p data-fake-id=\"#toggle-id-1\" class=\"toggler\"  >A quoi servent les robinets \u00e0 tournant sph\u00e9rique ?<span class=\"toggle_icon\" >        <span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p>        <div id=\"toggle-id-1-container\" class=\"toggle_wrap\"  >            <div class=\"toggle_content invers-color\"   ><p>Un robinet \u00e0 tournant sph\u00e9rique est le plus souvent utilis\u00e9 comme vanne d&#039;arr\u00eat.<\/p>\n<p>Presque toutes les applications industrielles n\u00e9cessitent une protection contre les fuites. Ceci est particuli\u00e8rement important pour ceux qui n\u00e9cessitent des m\u00e9canismes de fermeture \u00e9tanches. De tels exemples sont les applications purement liquides ou gazeuses, notamment les industries du gaz naturel, le stockage de produits chimiques et celles qui fonctionnent avec des fluides corrosifs. Les boues ne fonctionnent pas bien pour ces vannes.<\/p>\n            <\/div>        <\/div>    <\/div><\/section>\n<section class=\"av_toggle_section\"  >    <div class=\"single_toggle\" data-tags=\"{Tout} \"  >        <p data-fake-id=\"#toggle-id-2\" class=\"toggler\"  >Comment fonctionne un robinet \u00e0 tournant sph\u00e9rique ?<span class=\"toggle_icon\" >        <span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p>        <div id=\"toggle-id-2-container\" class=\"toggle_wrap\"  >            <div class=\"toggle_content invers-color\"   ><p>Un robinet \u00e0 bille est une vanne d&#039;arr\u00eat qui contr\u00f4le le d\u00e9bit d&#039;un liquide ou d&#039;un gaz au moyen d&#039;une bille rotative comportant un al\u00e9sage. En faisant tourner la bille d&#039;un quart de tour (90 degr\u00e9s) autour de son axe, le fluide peut s&#039;\u00e9couler ou est bloqu\u00e9. Ils se caract\u00e9risent par une longue dur\u00e9e de vie et assurent une \u00e9tanch\u00e9it\u00e9 fiable pendant toute la dur\u00e9e de vie, m\u00eame lorsque la vanne n&#039;est pas utilis\u00e9e pendant une longue p\u00e9riode. En cons\u00e9quence, ils sont plus populaires comme vannes d&#039;arr\u00eat que, par exemple, comme vannes \u00e0 vanne.<\/p>\n<p>Dans les versions sp\u00e9ciales, les vannes \u00e0 bille sont \u00e9galement utilis\u00e9es comme vanne de r\u00e9gulation. Cette application est moins courante en raison de la pr\u00e9cision relativement limit\u00e9e du contr\u00f4le du d\u00e9bit par rapport \u00e0 d&#039;autres types de vannes de r\u00e9gulation. Cependant, le robinet \u00e0 bille offre ici \u00e9galement certains avantages. Par exemple, la vanne assure une \u00e9tanch\u00e9it\u00e9 fiable, m\u00eame en cas de fluides sales.<\/p>\n            <\/div>        <\/div>    <\/div><\/section>\n<section class=\"av_toggle_section\"  >    <div class=\"single_toggle\" data-tags=\"{Tout} \"  >        <p data-fake-id=\"#toggle-id-3\" class=\"toggler\"  >S\u00e9lection de robinet \u00e0 tournant sph\u00e9rique<span class=\"toggle_icon\" >        <span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p>        <div id=\"toggle-id-3-container\" class=\"toggle_wrap\"  >            <div class=\"toggle_content invers-color\"   ><p>Les robinets \u00e0 tournant sph\u00e9rique ne sont pas recommand\u00e9s pour les applications FO. G\u00e9n\u00e9ralement, il est possible de r\u00e9duire le temps d&#039;ouverture de la vanne actionn\u00e9e en cas de panne en installant une vanne d&#039;\u00e9chappement rapide sur le panneau de commande pour lib\u00e9rer rapidement l&#039;air instrument de l&#039;actionneur pneumatique en mode panne. Cependant, le si\u00e8ge et le disque d&#039;un robinet \u00e0 tournant sph\u00e9rique sont en contact lors de l&#039;ouverture et de la fermeture, ce qui peut mettre en danger FO. De plus, le d\u00e9placement de la bille relativement grosse et lourde n\u00e9cessite un couple de tige plus \u00e9lev\u00e9, un actionneur plus gros et peut-\u00eatre un temps d&#039;ouverture plus long. Le fabricant du robinet \u00e0 tournant sph\u00e9rique a \u00e9t\u00e9 interrog\u00e9 sur la possibilit\u00e9 d&#039;utiliser un robinet \u00e0 tournant sph\u00e9rique \u00e0 si\u00e8ge souple pour cette application. Le fabricant pensait que la FO du robinet \u00e0 tournant sph\u00e9rique \u00e0 si\u00e8ge souple en 2 s pourrait endommager le si\u00e8ge souple en raison du contact tr\u00e8s rapide avec la bille. D&#039;autre part, le fabricant a d\u00e9clar\u00e9 qu&#039;un temps d&#039;ouverture de 2 secondes peut \u00eatre obtenu avec un robinet \u00e0 tournant sph\u00e9rique \u00e0 si\u00e8ge m\u00e9tallique. Mais un si\u00e8ge m\u00e9tallique pr\u00e9sente l&#039;inconv\u00e9nient d&#039;une fuite possible, contrairement \u00e0 un si\u00e8ge souple, et constitue une solution plus co\u00fbteuse que les vannes papillon et les vannes de r\u00e9gulation axiales en raison de la vanne et du grand actionneur mont\u00e9.<\/p>\n<p>Contrairement aux applications FO, une vanne \u00e0 bille est un bon choix comme vanne de purge avec un temps d&#039;ouverture inf\u00e9rieur \u00e0 celui d&#039;une vanne FO. La figure 12.25 montre un robinet \u00e0 tournant sph\u00e9rique de purge pour \u00e9vacuer le fluide sous pression de l&#039;\u00e9quipement en mode d&#039;urgence. Le robinet \u00e0 tournant sph\u00e9rique de purge est un 18\u2033 Classe 2500 dans un corps 6MO et un si\u00e8ge m\u00e9tallique en Inconel 625, dont l&#039;ouverture peut n\u00e9cessiter 18 s. Les vannes de purge ou FO sur les conduites de torche voient g\u00e9n\u00e9ralement des temp\u00e9ratures de fonctionnement basses en raison de la chute de pression du gaz lib\u00e9r\u00e9. La chute de pression du gaz r\u00e9duit la temp\u00e9rature de fonctionnement \u00e0 - 46 \u00b0C ou m\u00eame moins, de sorte que la temp\u00e9rature minimale de conception est g\u00e9n\u00e9ralement inf\u00e9rieure \u00e0 - 100 \u00b0C. L&#039;application \u00e0 basse temp\u00e9rature rend peu pratique l&#039;utilisation de 22Cr duplex avec une temp\u00e9rature de conception minimale de \u2212 46 \u00b0C pour la vanne, donc 6MO ou Inconel 625 sont les bons choix de mat\u00e9riaux. Un chapeau allong\u00e9 est utilis\u00e9 pour la vanne afin de maintenir la garniture \u00e0 l&#039;\u00e9cart du service relativement froid, \u00e0 l&#039;instar des vannes cryog\u00e9niques.<\/p>\n            <\/div>        <\/div>    <\/div><\/section>\n<\/div>\n<div style='height:50px' class='hr hr-invisible'><span class='hr-inner' ><span class='hr-inner-style'><\/span><\/span><\/div>\n<div class=\"flex_column av_one_full  flex_column_div av-zero-column-padding first\" style='border-radius:0px; '><div class='avia-image-container  av-styling-    avia-align-center'  ><div class='avia-image-container-inner'><img class='avia_image' src='https:\/\/www.stvvalves.com\/wp-content\/uploads\/2021\/05\/ball-valve-china-product.jpg' alt='China C Valve Supplier' title='produit de porcelaine de robinet \u00e0 tournant sph\u00e9rique'   \/><\/div><\/div><\/div>\n<div class=\"flex_column av_one_half  flex_column_div av-zero-column-padding first\" style='border-radius:0px; '><p><div style='padding-bottom:10px;' class='av-special-heading av-special-heading-h2'><h2 class='av-special-heading-tag'  ><span class=\"ez-toc-section\" id=\"Contact_Us\"><\/span>Contactez-nous<span class=\"ez-toc-section-end\"><\/span><\/h2><div class='special-heading-border'><div class='special-heading-inner-border' ><\/div><\/div><\/div><br \/>\n<section class=\"av_textblock_section\" ><div class='avia_textblock'  ><p>STV est un fabricant chinois de vannes \u00e0 bille situ\u00e9 dans le parc industriel de haute technologie de Yongqiang, dans la ville de Wenzhou, province du Zhejiang, en tant que soci\u00e9t\u00e9 sp\u00e9cialis\u00e9e dans les vannes industrielles et les \u00e9quipements de raccords de tuyauterie.<\/p>\n<p>N&#039;h\u00e9sitez pas \u00e0 nous contacter si vous avez des questions sur les vannes industrielles ou demander un devis. Nos experts en vannes exp\u00e9riment\u00e9s vous feront part de leurs commentaires dans les 24 heures et vous proposeront une solution de vanne personnalis\u00e9e.<\/p>\n<p>M. Jalen Lee<\/p>\n<p>Ajouter\u00a0: 88#, route Jifeng, ville de Wenzhou, province du Zhejiang, 325025<\/p>\n<p>E-mail: <a href=\"mailto:sales@stvvalves.com\">sales@stvvalves.com<\/a><\/p>\n<p>T\u00e9l 1\u00a0:\u00a0<a href=\"tel:0086-0577-85987444\">+86-0577-85987444<\/a><\/p>\n<p>T\u00e9l 2\u00a0:\u00a0<a href=\"tel:008615157766245\">+8615157766245<\/a><\/p>\n<\/div><\/section><\/p><\/div>\n<div class=\"flex_column av_one_half  flex_column_div av-zero-column-padding\" style='border-radius:0px; '><section class=\"av_textblock_section\" ><div class='avia_textblock'  >\n<div class=\"wpcf7 no-js\" id=\"wpcf7-f3466-o1\" lang=\"en-US\" dir=\"ltr\" data-wpcf7-id=\"3466\">\n<div class=\"screen-reader-response\"><p role=\"status\" aria-live=\"polite\" aria-atomic=\"true\"><\/p> <ul><\/ul><\/div>\n<form action=\"\/fr\/wp-json\/wp\/v2\/pages\/5982#wpcf7-f3466-o1\" method=\"post\" class=\"wpcf7-form init\" aria-label=\"Formulaire de contact\" novalidate=\"novalidate\" data-status=\"init\" data-trp-original-action=\"\/fr\/wp-json\/wp\/v2\/pages\/5982#wpcf7-f3466-o1\">\n<fieldset class=\"hidden-fields-container\"><input type=\"hidden\" name=\"_wpcf7\" value=\"3466\" \/><input type=\"hidden\" name=\"_wpcf7_version\" value=\"6.1.6\" \/><input type=\"hidden\" name=\"_wpcf7_locale\" value=\"en_US\" \/><input type=\"hidden\" name=\"_wpcf7_unit_tag\" value=\"wpcf7-f3466-o1\" \/><input type=\"hidden\" name=\"_wpcf7_container_post\" value=\"0\" \/><input type=\"hidden\" name=\"_wpcf7_posted_data_hash\" value=\"\" \/>\n<\/fieldset>\n<p>Ton t\u00e9l\u00e9phone<br \/>\n<span class=\"wpcf7-form-control-wrap\" data-name=\"your-name\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text wpcf7-validates-as-required text_input\" aria-required=\"true\" aria-invalid=\"false\" value=\"\" type=\"text\" name=\"your-name\" \/><\/span><br \/>\nVotre e-mail<br \/>\n<span class=\"wpcf7-form-control-wrap\" data-name=\"your-email\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-email wpcf7-validates-as-required wpcf7-text wpcf7-validates-as-email text_input\" aria-required=\"true\" aria-invalid=\"false\" value=\"\" type=\"email\" name=\"your-email\" \/><\/span><br \/>\nVotre message<br \/>\n<span class=\"wpcf7-form-control-wrap\" data-name=\"your-message\"><textarea cols=\"40\" rows=\"10\" maxlength=\"2000\" class=\"wpcf7-form-control wpcf7-textarea wpcf7-validates-as-required text_area\" aria-required=\"true\" aria-invalid=\"false\" name=\"your-message\"><\/textarea><\/span><br \/>\n<input class=\"wpcf7-form-control wpcf7-submit has-spinner\" type=\"submit\" value=\"Envoyer\" \/>\n<\/p><div class=\"wpcf7-response-output\" aria-hidden=\"true\"><\/div>\n<input type=\"hidden\" name=\"trp-form-language\" value=\"fr\"\/><\/form>\n<\/div>\n\n<\/div><\/section><\/div>","protected":false},"excerpt":{"rendered":"","protected":false},"author":290641,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-5982","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.stvvalves.com\/fr\/wp-json\/wp\/v2\/pages\/5982","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.stvvalves.com\/fr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.stvvalves.com\/fr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.stvvalves.com\/fr\/wp-json\/wp\/v2\/users\/290641"}],"replies":[{"embeddable":true,"href":"https:\/\/www.stvvalves.com\/fr\/wp-json\/wp\/v2\/comments?post=5982"}],"version-history":[{"count":68,"href":"https:\/\/www.stvvalves.com\/fr\/wp-json\/wp\/v2\/pages\/5982\/revisions"}],"predecessor-version":[{"id":7977,"href":"https:\/\/www.stvvalves.com\/fr\/wp-json\/wp\/v2\/pages\/5982\/revisions\/7977"}],"wp:attachment":[{"href":"https:\/\/www.stvvalves.com\/fr\/wp-json\/wp\/v2\/media?parent=5982"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}