{"id":16112,"date":"2022-06-19T03:57:44","date_gmt":"2022-06-19T03:57:44","guid":{"rendered":"https:\/\/zecovalve.com\/?post_type=product&#038;p=16112"},"modified":"2023-06-15T12:44:16","modified_gmt":"2023-06-15T12:44:16","slug":"cryogenic-gate-valve","status":"publish","type":"product","link":"https:\/\/zecovalve.com\/fr\/produit\/cryogenic-gate-valve","title":{"rendered":"Robinet-vanne cryog\u00e9nique"},"content":{"rendered":"<p>Les vannes cryog\u00e9niques sont adapt\u00e9es \u00e0 des conditions de service particuli\u00e8res, \u00e9tant con\u00e7ues pour fonctionner efficacement \u00e0 des temp\u00e9ratures inf\u00e9rieures \u00e0 -40 \u00b0C, principalement utilis\u00e9es dans les syst\u00e8mes de liqu\u00e9faction de gaz.<\/p>\r\n\r\n\r\n\r\n<figure class=\"wp-block-image alignnone size-medium wp-image-16113\">\r\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-27885 size-medium\" src=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/Cryogenic-Gate-Valve-1-300x225.jpg\" alt=\"Robinet-vanne cryog\u00e9nique\" width=\"300\" height=\"225\" srcset=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/Cryogenic-Gate-Valve-1-300x225.jpg 300w, https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/Cryogenic-Gate-Valve-1-768x576.jpg 768w, https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/Cryogenic-Gate-Valve-1-600x450.jpg 600w, https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/Cryogenic-Gate-Valve-1.jpg 800w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\r\n<\/figure>\r\n\r\n\r\n<div class=\"gb-button-wrapper gb-button-wrapper-6d8495a3\">\r\n\r\n\r\n<p><a class=\"gb-button gb-button-3d442e11 gb-button-text\" href=\"https:\/\/zecovalve.com\/fr\/contact\/\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>OBTENIR LE PRIX DE LA VANNE CRYOG\u00c9NIQUE<\/strong><\/a><\/p>\r\n<\/div>\r\n\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">Qu&#039;est-ce qu&#039;une vanne cryog\u00e9nique\u00a0?<\/h2>\r\n\r\n\r\n\r\n<p>Les syst\u00e8mes de tuyauterie et de pipeline manipulant de l&#039;hydrog\u00e8ne liquide, de l&#039;oxyg\u00e8ne, de l&#039;h\u00e9lium, de l&#039;azote, du gaz naturel liqu\u00e9fi\u00e9 ou des fluides similaires tr\u00e8s froids n\u00e9cessitent l&#039;utilisation de vannes cryog\u00e9niques. Le terme cryog\u00e9nie concerne les mat\u00e9riaux et les processus en dessous de -1010C (-2390F). Par cons\u00e9quent, les vannes cryog\u00e9niques doivent \u00eatre con\u00e7ues avec des propri\u00e9t\u00e9s permettant de g\u00e9rer des temp\u00e9ratures aussi basses. La principale diff\u00e9rence entre les vannes cryog\u00e9niques et les vannes standard est qu&#039;elles sont capables de fonctionner \u00e0 des temp\u00e9ratures aussi basses et \u00e0 des pressions \u00e9lev\u00e9es.<\/p>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">Pourquoi les vannes cryog\u00e9niques ont-elles de longues tiges\u00a0?<\/h2>\r\n\r\n\r\n\r\n<p>Toutes les vannes cryog\u00e9niques pour les applications de gaz naturel liqu\u00e9fi\u00e9, m\u00e9thane, oxyg\u00e8ne, ammoniac, etc. sont sp\u00e9cialement con\u00e7ues. Les vannes cryog\u00e9niques ont g\u00e9n\u00e9ralement des chapeaux allong\u00e9s afin que les joints de tige de vanne soient \u00e9loign\u00e9s de la source froide. Cela servira deux objectifs importants\u00a0:<\/p>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li>Les joints de tige de soupape auront une temp\u00e9rature relativement plus \u00e9lev\u00e9e.<\/li>\r\n<li>Il y aura suffisamment d&#039;espace pour assurer l&#039;isolation entre la canalisation et le levier\/volant actionnant la vanne.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">Mat\u00e9riaux des vannes cryog\u00e9niques<\/h2>\r\n\r\n\r\n\r\n<p>Les mat\u00e9riaux habituellement utilis\u00e9s pour construire une vanne cryog\u00e9nique sont l&#039;aluminium, le Monel, le laiton, le bronze, l&#039;acier inoxydable, l&#039;Incoly, le zirconium, etc. Le PTFE ou le graphite est normalement utilis\u00e9 comme mat\u00e9riau d&#039;\u00e9tanch\u00e9it\u00e9.<\/p>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\" id=\"h-what-is-a-cryogenic-gate-valve\">Qu\u2019est-ce qu\u2019une vanne cryog\u00e9nique ?<\/h2>\r\n\r\n\r\n\r\n<p>Avec les vannes cryog\u00e9niques ZECO, le d\u00e9bit est trois \u00e0 cinq fois sup\u00e9rieur \u00e0 celui des vannes \u00e0 soupape de taille comparable. Cela acc\u00e9l\u00e8re le remplissage des r\u00e9servoirs et des remorques et permet de gagner un temps pr\u00e9cieux pour la livraison des gaz liqu\u00e9fi\u00e9s cryog\u00e9niques.<\/p>\r\n\r\n\r\n\r\n<p>Les vannes cryog\u00e9niques sont disponibles dans des tailles de 1\u2033 \u00e0 24\u2033 et garantissent des pressions jusqu&#039;\u00e0 1\u00a0500 LB, \u00e0 des temp\u00e9ratures de fonctionnement de -196\u00b0C \u00e0 +120\u00b0C. Les robinets-vannes sont fabriqu\u00e9s en acier inoxydable.<\/p>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\" id=\"h-features-of-cryogenic-gate-valve\">Caract\u00e9ristiques du robinet-vanne cryog\u00e9nique\u00a0:<\/h2>\r\n\r\n\r\n\r\n<p>Toutes les caract\u00e9ristiques de conception de base des vannes \u00e0 vanne en acier moul\u00e9 ZECO sont adapt\u00e9es aux conditions de service sp\u00e9ciales \u00e0 des temp\u00e9ratures cryog\u00e9niques.<\/p>\r\n\r\n\r\n\r\n<p>CARACT\u00c9RISTIQUES DE CONCEPTION SUPPL\u00c9MENTAIRES\u00a0:<\/p>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li>Des chapeaux allong\u00e9s avec une longueur de colonne de gaz suffisante, g\u00e9n\u00e9ralement sp\u00e9cifi\u00e9e par le client, sont fournis pour toutes les vannes afin de maintenir la garniture de tige \u00e0 une distance suffisante du fluide froid pour rester fonctionnelle.<\/li>\r\n<li>Cales flexibles avec faces d&#039;appui en alliage CoCr pour service cryog\u00e9nique.<\/li>\r\n<li>Nettoyage\u00a0: Toutes les vannes cryog\u00e9niques sont soigneusement d\u00e9graiss\u00e9es et nettoy\u00e9es et les extr\u00e9mit\u00e9s des tuyaux sont scell\u00e9es pour \u00e9viter toute contamination.<\/li>\r\n<li>Emballage \u00e0 faibles \u00e9missions<\/li>\r\n<li>Trou de purge entre l&#039;amont et la banquette arri\u00e8re pour emp\u00eacher l&#039;augmentation de la pression de la cavit\u00e9 corporelle.<\/li>\r\n<li>Emp\u00eacher la structure instable de la tige<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\" id=\"h-material-of-cryogenic-gate-valve\">Mat\u00e9riau du robinet-vanne cryog\u00e9nique\u00a0:<\/h2>\r\n\r\n\r\n\r\n<figure class=\"wp-block-table is-style-stripes\">\r\n<table>\r\n<tbody>\r\n<tr>\r\n<td>Non<\/td>\r\n<td>Partie<\/td>\r\n<td>Mat\u00e9riau<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>1<\/td>\r\n<td>Corps<\/td>\r\n<td>ASTM A350 LF3<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>2<\/td>\r\n<td>Anneau de si\u00e8ge<\/td>\r\n<td>ASTM A276 410 + STL<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>3<\/td>\r\n<td>Cale<\/td>\r\n<td>ASTM A350 LF3 + STL<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>4<\/td>\r\n<td>Tige<\/td>\r\n<td>ASTM A182 F6<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>5<\/td>\r\n<td>Joint de chapeau<\/td>\r\n<td>Graphite + SS316<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>6<\/td>\r\n<td>Boulon du chapeau<\/td>\r\n<td>ASTM A193 B16<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>7<\/td>\r\n<td>\u00c9crou \u00e0 chapeau<\/td>\r\n<td>ASTM A194 4<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>8<\/td>\r\n<td>Bonnet<\/td>\r\n<td>ASTM A350 LF3<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>9<\/td>\r\n<td>Si\u00e8ge arri\u00e8re<\/td>\r\n<td>ASTM A182 410<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>10<\/td>\r\n<td>Garniture de tige<\/td>\r\n<td>Graphite renforc\u00e9<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>11<\/td>\r\n<td>Roue \u00e0 main<\/td>\r\n<td>KTH330-08<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/figure>","protected":false},"excerpt":{"rendered":"<p>Les vannes cryog\u00e9niques sont adapt\u00e9es \u00e0 des conditions de service particuli\u00e8res, \u00e9tant con\u00e7ues pour fonctionner efficacement \u00e0 des temp\u00e9ratures inf\u00e9rieures \u00e0 -40\u00baC, principalement utilis\u00e9es dans \u2026 <a title=\"Robinet-vanne cryog\u00e9nique\" class=\"read-more\" href=\"https:\/\/zecovalve.com\/fr\/produit\/cryogenic-gate-valve\" aria-label=\"Plus sur Vanne Cryog\u00e9nique\">Lire plus<\/a><\/p>","protected":false},"featured_media":27885,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_generate-full-width-content":"","kt_blocks_editor_width":""},"product_cat":[2052,2454],"product_tag":[2798],"class_list":["post-16112","product","type-product","status-publish","has-post-thumbnail","hentry","product_cat-gate-valve","product_cat-gate-valve-by-material","product_tag-osy-valve","sales-flash-overlay","woocommerce-text-align-center","woocommerce-image-align-center","do-quantity-buttons"],"featured_image_src_large":["https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/Cryogenic-Gate-Valve-1.jpg",800,600,false],"author_info":[],"comment_info":0,"taxonomy_info":{"product_cat":[{"value":2052,"label":"Gate Valve"},{"value":2454,"label":"Gate Valve By Material"}],"product_tag":[{"value":2798,"label":"OS&amp;Y Valve"}]},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v15.4 - 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