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\n\n\n\n\n\nVanne \u00e0 grille \u00e0 couteau pneumatique | COVNA\n<meta content='\"vanne' grille couteau pneumatique si vous voulez conna le prix de la vanne veuillez nous contacter name='\"description\"'>\n<meta content='\"vanne' grille couteau pneumatique name='\"keywords\"'>\n<meta property='\"og:url\"' content='\"https:\/\/www.covna-china.com\/dlp\/pneumatic-knife-gate-valve.html\"'>\n<meta property='\"og:type\"' content='\"Organization\"'>\n<meta property='\"og:title\"' content='\"Vanne' grille couteau pneumatique covna>\n<meta property='\"og:description\"' content='\"vanne' grille couteau pneumatique si vous voulez conna le prix de la vanne veuillez nous contacter>\n<meta property='\"og:image\"' content='\"https:\/\/seo-console-assets.goalsites.com\/uploads\/covna-china_com\/ead4ddbd-8c80-49ed-bd1b-03cfa8960ad8.png?t=1666644797&x-oss-process=image\/resize,w_500,h_500\/format,webp\"'>\n<link rel='\"preload\"' as='\"image\"' 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relative;\n overflow: hidden;\n cursor: pointer;\n display: block;\n width: 100%;\n padding: 0\n }\n\n [digood-page-content] ._section-product_1k55i_572 ._product-item_1k55i_572 ._card-image_1k55i_577:before {\n content: ' ';\n display: block;\n padding-top: 100%\n }\n\n [digood-page-content] ._section-product_1k55i_572 ._product-item_1k55i_572 ._card-image_1k55i_577 a {\n position: absolute;\n top: 0;\n bottom: 0;\n left: 0;\n width: 100%;\n height: 100%;\n border: 0;\n display: block\n }\n\n [digood-page-content] ._section-product_1k55i_572 ._product-item_1k55i_572 ._card-image_1k55i_577 img {\n width: 100%;\n transition: all .4s ease\n }\n\n [digood-page-content] ._section-product_1k55i_572 ._product-item_1k55i_572 ._card-image_1k55i_577 h4 {\n font-size: 14px;\n color: #fff;\n text-transform: uppercase;\n letter-spacing: .1em;\n position: absolute;\n font-weight: 700;\n top: 50%;\n left: 50%;\n transform: translate(-50%, -50%);\n z-index: 99;\n opacity: 0;\n transition: all .4s ease\n }\n\n [digood-page-content] ._section-product_1k55i_572 ._product-item_1k55i_572 ._card-image_1k55i_577:after {\n content: \"\";\n position: absolute;\n top: 0;\n left: 0;\n right: 0;\n bottom: 0;\n background: var(--primary);\n opacity: 0;\n transition: all .4s ease\n }\n\n [digood-page-content] ._section-product_1k55i_572 ._product-item_1k55i_572 ._card-image_1k55i_577:hover img {\n transform: scale(1.05)\n }\n\n [digood-page-content] ._section-product_1k55i_572 ._product-item_1k55i_572 ._card-image_1k55i_577:hover h4 {\n opacity: 1\n }\n\n [digood-page-content] ._section-product_1k55i_572 ._product-item_1k55i_572 ._card-image_1k55i_577:hover:after {\n opacity: .9\n }\n\n [digood-page-content] ._section-product_1k55i_572 ._product-item_1k55i_572 ._card-body_1k55i_245 {\n text-align: center\n }\n\n [digood-page-content] ._section-product_1k55i_572 ._product-item_1k55i_572 ._card-body_1k55i_245 a {\n color: #343434;\n font-size: 16px;\n line-height: 1.4;\n max-height: 2.8em;\n 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10px;\n z-index: 10\n }\n\n [digood-page-content] ._section-blog_1k55i_706 ._blog-item_1k55i_710 ._card-body_1k55i_245 a {\n display: block;\n font-size: 16px;\n line-height: 1.4;\n max-height: 4.2em;\n height: 4.2em;\n overflow: hidden;\n text-overflow: ellipsis;\n color: #343434;\n font-weight: 600;\n transition: all .4s ease\n }\n\n [digood-page-content] ._section-blog_1k55i_706 ._blog-item_1k55i_710 ._card-body_1k55i_245 a:hover {\n color: var(--primary)\n }\n\n [digood-page-content] ._section-blog_1k55i_706 ._blog-item_1k55i_710 ._card-body_1k55i_245 p {\n font-size: 16px;\n color: #555556;\n line-height: 1.6;\n max-height: 4.8em;\n overflow: hidden;\n text-overflow: ellipsis\n }\n\n [digood-page-content] ._btn-more_1k55i_706 {\n display: inline-block;\n text-align: center;\n background-color: var(--primary);\n color: #fff;\n border-radius: 25px;\n padding: 10px 20px;\n margin-top: 30px;\n text-transform: capitalize\n }\n\n [digood-page-content] ._section-contact_1k55i_757 {\n 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.fixed .nav-menu>li>a {\n line-height: 60px\n }\n\n .footer {\n background-color: #ededed\n }\n\n .footer-bottom {\n border-top: 1px solid rgba(0, 0, 0, .05);\n padding: 30px 0\n }\n\n .footer-bottom p {\n color: #343434;\n margin: 0;\n font-size: 16px\n }\n\n .footer-bottom p a {\n color: var(--primary)\n }\n\n .cd-top {\n display: inline-block;\n height: 40px;\n z-index: 9;\n width: 40px;\n position: fixed;\n bottom: 60px;\n right: 30px;\n color: #fff;\n border-radius: 50%;\n font-size: 26px;\n text-align: center;\n background: #000;\n line-height: 34px;\n border: 2px solid #000;\n box-shadow: 0 0 10px rgb(0 0 0 \/ 5%);\n overflow: hidden;\n white-space: nowrap;\n visibility: hidden;\n opacity: 0;\n -webkit-transition: opacity .3s 0s, visibility 0s .3s;\n -moz-transition: opacity .3s 0s, visibility 0s .3s;\n transition: opacity .3s 0s, visibility 0s .3s;\n -webkit-transition: all .4s ease-in-out;\n -moz-transition: all .4s ease-in-out;\n -o-transition: all .4s ease-in-out;\n 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digood-page-content>\n <header class=\"header\" id=\"header\"><meta http-equiv="Content-Type" content="text/html;charset=UTF-8" ><meta http-equiv=\"Content-Type\" content=\"text\/html;charset=UTF-8\">\n<div class=\"container\">\n <div class=\"navbar\">\n <div class=\"nav-logo\"> <a href=\"\/\" title=\"Retour \u00e0 la page d\u2019accueil\" target=\"_blank\"> <img src=\"https:\/\/seo-console-assets.goalsites.com\/uploads\/covna-china_com\/505305f3-ddd0-45d3-9969-d4e2367e5eb9.png?t=1666644797&x-oss-process=imageh_80\/format,webp\" width=\"200\" height=\"80\" alt=\"COVNA\" class=\"img-height\"><\/a> <\/div>\n <ul class=\"nav-menu\" id=\"nav-menu\">\n<li class=\"menu-item\"><a class=\"menu-item-link\" href=\"\/\">Domicile<\/a><\/li>\n <li class=\"menu-item\">\n<a class=\"menu-item-link\" href=\"https:\/\/fr.covna-china.com\/page\/about-us.html\">ENVIRON<\/a> <\/li>\n <li class=\"menu-item\">\n<a class=\"menu-item-link\" href=\"https:\/\/fr.covna-china.com\/products\/all.html\">PRODUITS<\/a> <\/li>\n <li class=\"menu-item\">\n<a class=\"menu-item-link\" href=\"https:\/\/fr.covna-china.com\/articles\/all.html\">LES ARTICLES<\/a> <\/li>\n <li class=\"menu-item\">\n<a class=\"menu-item-link\" href=\"https:\/\/fr.covna-china.com\/page\/contact-us.html\">CONTACT<\/a> <\/li>\n <\/ul>\n<\/div>\n <\/div>\n <\/header><section id=\"section-home\" class=\"_section-banner_1k55i_518\"><div class=\"_container_1k55i_128\">\n <div class=\"_row_1k55i_160\">\n <div class=\"_col-md-6_1k55i_172 _col-lg-5_1k55i_174\">\n <div class=\"text-center\"> <img src=\"https:\/\/seo-console-assets.goalsites.com\/uploads\/covna-china_com\/ead4ddbd-8c80-49ed-bd1b-03cfa8960ad8.png?t=1666644797&x-oss-process=image\/resize,w_500,h_500\/format,webp\" width=\"450\" height=\"500\" alt=\"Qu\u2019est-ce qu\u2019une vanne \u00e0 grille \u00e0 couteau pneumatique\" class=\"_img-fluid_1k55i_123\">\n<\/div>\n <\/div>\n <div class=\"_col-md-6_1k55i_172 _col-lg-7_1k55i_175\">\n <div class=\"_banner-content_1k55i_529\">\n <div class=\"_section-header_1k55i_494\">\n <h1 class=\"_section-title_1k55i_498\">Qu\u2019est-ce qu\u2019une vanne \u00e0 grille \u00e0 couteau pneumatique<\/h1>\n <\/div>\n <div class=\"_text_1k55i_498\">\n <p>La vanne \u00e0 grille \u00e0 couteau pneumatique est un nouveau type de vanne \u00e0 grille \u00e0 couteau am\u00e9lior\u00e9e par Xinhe Valve sur la base d\u2019une vanne \u00e0 grille \u00e0 couteau manuelle pour r\u00e9pondre aux conditions de travail particuli\u00e8res des clients. Il se compose d\u2019un dispositif pneumatique et d\u2019une vanne \u00e0 grille \u00e0 couteau, qui est pratique et rapide \u00e0 ouvrir.<\/p>\n <\/div> <a href=\"#section-contact\" class=\"_btn-action_1k55i_545 _btn-scroll_1k55i_778\" name=\"btn-section-home\">Obtenir un devis<\/a>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/section><section id=\"section-features\" class=\"_section-padding_1k55i_514 _section-features_1k55i_648\"><div class=\"_container_1k55i_128\">\n <div class=\"_section-header_1k55i_494 _center_1k55i_505\">\n <h5 class=\"_section-subtitle_1k55i_498\">Fonctionnalit\u00e9s<\/h5>\n <h2 class=\"_section-title_1k55i_498\">Pourquoi choisir COVNA?<\/h2>\n <\/div>\n <div class=\"_row_1k55i_160\">\n <div class=\"_col-md-3_1k55i_169\">\n <div class=\"feature-item\">\n <div class=\"icon-box\"> <img src=\"https:\/\/seo-console-assets.goalsites.com\/uploads\/covna-china_com\/3d822ab9-e000-4f57-967a-3b6250509c96.png?t=1666644797&x-oss-process=image\/resize,w_60,h_60\/format,webp\" width=\"60\" height=\"60\" alt=\"Artisanat exquis\" class=\"_img-fluid_1k55i_123\">\n<\/div>\n <h3 class=\"feature-title\">Artisanat exquis<\/h3>\n <p class=\"feature-text\">Restez fid\u00e8le \u00e0 l\u2019esprit d\u2019ing\u00e9niosit\u00e9 Usinage de pr\u00e9cision CNC 20 ans de conseils d\u2019ing\u00e9nieurs techniques<\/p>\n <\/div>\n <\/div>\n <div class=\"_col-md-3_1k55i_169\">\n <div class=\"feature-item\">\n <div class=\"icon-box\"> <img src=\"https:\/\/seo-console-assets.goalsites.com\/uploads\/covna-china_com\/9034508c-1340-44a6-9dfa-9ffe4770ea61.png?t=1666644797&x-oss-process=image\/resize,w_60,h_60\/format,webp\" width=\"60\" height=\"60\" alt=\"Innovation technologique\" class=\"_img-fluid_1k55i_123\">\n<\/div>\n <h3 class=\"feature-title\">Innovation technologique<\/h3>\n <p class=\"feature-text\">Fondation high-tech Insister sur l\u2019innovation et le d\u00e9veloppement \u00c9quipe de talents techniques seniors<\/p>\n <\/div>\n <\/div>\n <div class=\"_col-md-3_1k55i_169\">\n <div class=\"feature-item\">\n <div class=\"icon-box\"> <img src=\"https:\/\/seo-console-assets.goalsites.com\/uploads\/covna-china_com\/081974ab-1a15-400b-8134-5c2cf3ece550.png?t=1666644797&x-oss-process=image\/resize,w_60,h_60\/format,webp\" width=\"60\" height=\"60\" alt=\"Sp\u00e9cial personnalis\u00e9\" class=\"_img-fluid_1k55i_123\">\n<\/div>\n <h3 class=\"feature-title\">Sp\u00e9cial personnalis\u00e9<\/h3>\n <p class=\"feature-text\">Couple jusqu\u2019\u00e0 4678nm S\u00e9lection du guide technique senior Personnalisation sp\u00e9ciale selon les besoins du client<\/p>\n <\/div>\n <\/div>\n <div class=\"_col-md-3_1k55i_169\">\n <div class=\"feature-item\">\n <div class=\"icon-box\"> <img src=\"https:\/\/seo-console-assets.goalsites.com\/uploads\/covna-china_com\/b6edcc07-4ced-4b4f-abad-ef78d2138d9f.png?t=1666644797&x-oss-process=image\/resize,w_60,h_60\/format,webp\" width=\"60\" height=\"60\" alt=\"Qualit\u00e9 constante\" class=\"_img-fluid_1k55i_123\">\n<\/div>\n <h3 class=\"feature-title\">Qualit\u00e9 constante<\/h3>\n <p class=\"feature-text\">Certification internationale ISO9001 Adh\u00e9rer \u00e0 des processus de production standardis\u00e9s 1 million de cycles test de durabilit\u00e9<\/p>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/section><section id=\"section-about\" class=\"_section-about_1k55i_568 _section-padding_1k55i_514\"><div class=\"_container_1k55i_128\">\n <div class=\"_row_1k55i_160\">\n <div class=\"_col-md-6_1k55i_172\">\n <div class> <img class=\"_img-fluid_1k55i_123\" src=\"https:\/\/seo-console-assets.goalsites.com\/uploads\/covna-china_com\/99ac43d0-bdbb-454e-a69b-a19e36009343.png?t=1666644797&x-oss-process=image\/resize,w_600,h_338\/format,webp\" alt=\"\u00e0 propos de COVNA\" width=\"560\" height=\"315\">\n<\/div>\n <\/div>\n <div class=\"_col-md-6_1k55i_172\">\n <div class>\n <div class=\"_section-header_1k55i_494\">\n <h2 class=\"_section-title_1k55i_498\">Nous avons les meilleures solutions pour votre entreprise<\/h2>\n <\/div>\n <div class=\"_text_1k55i_498\">\n <p>COVNA Industrial Automation Co., Ltd. a \u00e9t\u00e9 cr\u00e9\u00e9e en 2000, un sp\u00e9cialiste des vannes automatis\u00e9es. Bas\u00e9 \u00e0 Dongguan en Chine, avec 3 bases de production situ\u00e9es \u00e0 Ningbo, Wenzhou et Dongguan.<\/p>\n <p>Nous fournissons une vanne \u00e9lectrique, une \u00e9lectrovanne, une vanne pneumatique, une vanne \u00e0 grille \u00e9lectrique, une vanne papillon \u00e9lectrique, une vanne de contr\u00f4le pneumatique, une vanne motoris\u00e9e, une vanne \u00e0 grille \u00e0 couteau pneumatique, une vanne \u00e0 commande pneumatique, une vanne \u00e0 commande pneumatique, une vanne \u00e0 boisseau sph\u00e9rique motoris\u00e9e, une vanne \u00e0 boisseau sph\u00e9rique \u00e9lectrique, une vanne \u00e0 boisseau sph\u00e9rique, une vanne \u00e0 grille, une vanne \u00e0 grille, une vanne \u00e0 papillon, une vanne \u00e0 globe, etc., Vous pouvez parcourir les produits connexes et lancer des consultations sur notre site Web.<\/p>\n <\/div> <a href=\"https:\/\/fr.covna-china.com\/page\/about-us.html\" class=\"btn _btn-more_1k55i_706\" name=\"btn-section-about\">Lire la suite<\/a>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/section><section class=\"_section-block_1k55i_573 _section-padding_1k55i_514\"><div class=\"_container_1k55i_128\">\n <h2 style=\"text-align:center\">Vanne \u00e0 grille de couteau pneumatique de haute qualit\u00e9<\/h2>\n <p>La vanne \u00e0 grille \u00e0 couteau pneumatique est actionn\u00e9e par un dispositif pneumatique, ce qui compense le probl\u00e8me de l\u2019ouverture manuelle, et la conception est plus humanis\u00e9e et intelligente. Il est largement utilis\u00e9 dans les mines de charbon, la fabrication du papier, la m\u00e9tallurgie, le traitement des eaux us\u00e9es, l\u2019administration municipale, l\u2019\u00e9nergie \u00e9lectrique, l\u2019alimentation et d\u2019autres industries.<\/p>\n <\/div>\n <\/section><section id=\"section-products\" class=\"_section-padding_1k55i_514 _section-product_1k55i_572\"><div class=\"_container_1k55i_128\">\n <div class=\"_section-header_1k55i_494 _center_1k55i_505\">\n <h5 class=\"_section-subtitle_1k55i_498\">Produits en vedette<\/h5>\n <h2 class=\"_section-title_1k55i_498\">Collection sur COVNA<\/h2>\n <\/div>\n <div class=\"_row_1k55i_160\">\n <div class=\"_col-md-3_1k55i_169\">\n <div class=\"_product-item_1k55i_572 _card_1k55i_233\">\n <div class=\"_card-image_1k55i_577\"> <a href=\"\/product\/explosion-proof-multi-turn-electric-gate-valve.html\" title=\"Vanne \u00e0 grille \u00e9lectrique multi-tours antid\u00e9flagrante\"> <img src=\"\/\/upload.digoodcms.com\/728\/image_1638524478_Explosion-proof-Multi-Turn-Electric-Actuator-Gate-V.jpg?imageView2\/1\/w\/450\/h\/450\/format\/webp\" width=\"450\" height=\"450\" alt=\"Vanne \u00e0 grille \u00e9lectrique multi-tours antid\u00e9flagrante\" class=\"_img-fluid_1k55i_123\"><h4>Voir les d\u00e9tails<\/h4>\n <\/a> <\/div>\n <div class=\"_card-body_1k55i_245\">\n <h4> <a href=\"\/product\/explosion-proof-multi-turn-electric-gate-valve.html\">Vanne \u00e0 grille \u00e9lectrique multi-tours antid\u00e9flagrante<\/a> <\/h4>\n <p style=\"text-align:left\"><\/p>\n <\/div>\n <\/div>\n <\/div>\n <div class=\"_col-md-3_1k55i_169\">\n <div class=\"_product-item_1k55i_572 _card_1k55i_233\">\n <div class=\"_card-image_1k55i_577\"> <a href=\"\/product\/covna-liner-knife-gate-valve-multi-turn-electric-actuator.html\" title=\"COVNA Liner Knife Gate Valve Actionneur \u00e9lectrique multi-tours\"> <img src=\"\/\/upload.digoodcms.com\/728\/image_1644655157_1-mult-turn-electric-actuator.jpg?imageView2\/1\/w\/450\/h\/450\/format\/webp\" width=\"450\" height=\"450\" alt=\"COVNA Liner Knife Gate Valve Actionneur \u00e9lectrique multi-tours\" class=\"_img-fluid_1k55i_123\"><h4>Voir les d\u00e9tails<\/h4>\n <\/a> <\/div>\n <div class=\"_card-body_1k55i_245\">\n <h4> <a href=\"\/product\/covna-liner-knife-gate-valve-multi-turn-electric-actuator.html\">COVNA Liner Knife Gate Valve Actionneur \u00e9lectrique multi-tours<\/a> <\/h4>\n <p style=\"text-align:left\"><\/p>\n <\/div>\n <\/div>\n <\/div>\n <div class=\"_col-md-3_1k55i_169\">\n <div class=\"_product-item_1k55i_572 _card_1k55i_233\">\n <div class=\"_card-image_1k55i_577\"> <a href=\"\/product\/pneumatic-Cylinder-Linear-knife-gate-valve.html\" title=\"SS 316 Cylindre pneumatique Actionneur lin\u00e9aire Vanne \u00e0 grille de couteau\"> <img src=\"\/\/upload.digoodcms.com\/728\/image_1638499804_SS-316-Pneumatic-Cylinder-Linear-Actuator-Knife-Edg.jpg?imageView2\/1\/w\/450\/h\/450\/format\/webp\" width=\"450\" height=\"450\" alt=\"SS 316 Cylindre pneumatique Actionneur lin\u00e9aire Vanne \u00e0 grille de couteau\" class=\"_img-fluid_1k55i_123\"><h4>Voir les d\u00e9tails<\/h4>\n <\/a> <\/div>\n <div class=\"_card-body_1k55i_245\">\n <h4> <a href=\"\/product\/pneumatic-Cylinder-Linear-knife-gate-valve.html\">SS 316 Cylindre pneumatique Actionneur lin\u00e9aire Vanne \u00e0 grille de couteau<\/a> <\/h4>\n <p style=\"text-align:left\"><\/p>\n <\/div>\n <\/div>\n <\/div>\n <div class=\"_col-md-3_1k55i_169\">\n <div class=\"_product-item_1k55i_572 _card_1k55i_233\">\n <div class=\"_card-image_1k55i_577\"> <a href=\"\/product\/covna-hk60-z-d-cast-iron-electric-operated-knife-gate-valve.html\" title=\"COVNA HK60-Z-D Vanne \u00e0 grille \u00e0 couteau \u00e0 commande \u00e9lectrique\"> <img src=\"\/\/upload.digoodcms.com\/728\/image_1638495955_COVNA-HK60-Z-D-Cast-Iron-Electric-Operated-Knife-Ga.jpg?imageView2\/1\/w\/450\/h\/450\/format\/webp\" width=\"450\" height=\"450\" alt=\"COVNA HK60-Z-D Vanne \u00e0 grille \u00e0 couteau \u00e0 commande \u00e9lectrique\" class=\"_img-fluid_1k55i_123\"><h4>Voir les d\u00e9tails<\/h4>\n <\/a> <\/div>\n <div class=\"_card-body_1k55i_245\">\n <h4> <a href=\"\/product\/covna-hk60-z-d-cast-iron-electric-operated-knife-gate-valve.html\">COVNA HK60-Z-D Vanne \u00e0 grille \u00e0 couteau \u00e0 commande \u00e9lectrique<\/a> <\/h4>\n <p style=\"text-align:left\"><\/p>\n <\/div>\n <\/div>\n <\/div>\n <div class=\"_col-md-3_1k55i_169\">\n <div class=\"_product-item_1k55i_572 _card_1k55i_233\">\n <div class=\"_card-image_1k55i_577\"> <a href=\"\/product\/din-jis-10k-gost-cast-steel-flange-pneumatic-knife-gate-valve.html\" title=\"DIN JIS 10K ANSI Gost Bride en acier coul\u00e9 Vanne de grille de couteau pneumatique\"> <img src=\"\/\/upload.digoodcms.com\/728\/image_1638501004_1.DIN-JIS-10K-ANSI-Gost-Cast-Steel-Flange-Pneumatic-Knife-Gate-Valve.jpg?imageView2\/1\/w\/450\/h\/450\/format\/webp\" width=\"450\" height=\"450\" alt=\"DIN JIS 10K ANSI Gost Bride en acier coul\u00e9 Vanne de grille de couteau pneumatique\" class=\"_img-fluid_1k55i_123\"><h4>Voir les d\u00e9tails<\/h4>\n <\/a> <\/div>\n <div class=\"_card-body_1k55i_245\">\n <h4> <a href=\"\/product\/din-jis-10k-gost-cast-steel-flange-pneumatic-knife-gate-valve.html\">DIN JIS 10K ANSI Gost Bride en acier coul\u00e9 Vanne de grille de couteau pneumatique<\/a> <\/h4>\n <p style=\"text-align:left\"><\/p>\n <\/div>\n <\/div>\n <\/div>\n <div class=\"_col-md-3_1k55i_169\">\n <div class=\"_product-item_1k55i_572 _card_1k55i_233\">\n <div class=\"_card-image_1k55i_577\"> <a href=\"\/product\/pneumatic-Cylinder-Linear-knife-gate-valve.html\" title=\"SS 316 Cylindre pneumatique Actionneur lin\u00e9aire Vanne \u00e0 grille de couteau\"> <img src=\"\/\/upload.digoodcms.com\/728\/image_1638499804_SS-316-Pneumatic-Cylinder-Linear-Actuator-Knife-Edg.jpg?imageView2\/1\/w\/450\/h\/450\/format\/webp\" width=\"450\" height=\"450\" alt=\"SS 316 Cylindre pneumatique Actionneur lin\u00e9aire Vanne \u00e0 grille de couteau\" class=\"_img-fluid_1k55i_123\"><h4>Voir les d\u00e9tails<\/h4>\n <\/a> <\/div>\n <div class=\"_card-body_1k55i_245\">\n <h4> <a href=\"\/product\/pneumatic-Cylinder-Linear-knife-gate-valve.html\">SS 316 Cylindre pneumatique Actionneur lin\u00e9aire Vanne \u00e0 grille de couteau<\/a> <\/h4>\n <p style=\"text-align:left\"><\/p>\n <\/div>\n <\/div>\n <\/div>\n <div class=\"_col-md-3_1k55i_169\">\n <div class=\"_product-item_1k55i_572 _card_1k55i_233\">\n <div class=\"_card-image_1k55i_577\"> <a href=\"\/product\/din-jis-10k-gost-cast-steel-flange-pneumatic-knife-gate-valve.html\" title=\"DIN JIS 10K ANSI Gost Bride en acier coul\u00e9 Vanne de grille de couteau pneumatique\"> <img src=\"\/\/upload.digoodcms.com\/728\/image_1638501004_1.DIN-JIS-10K-ANSI-Gost-Cast-Steel-Flange-Pneumatic-Knife-Gate-Valve.jpg?imageView2\/1\/w\/450\/h\/450\/format\/webp\" width=\"450\" height=\"450\" alt=\"DIN JIS 10K ANSI Gost Bride en acier coul\u00e9 Vanne de grille de couteau pneumatique\" class=\"_img-fluid_1k55i_123\"><h4>Voir les d\u00e9tails<\/h4>\n <\/a> <\/div>\n <div class=\"_card-body_1k55i_245\">\n <h4> <a href=\"\/product\/din-jis-10k-gost-cast-steel-flange-pneumatic-knife-gate-valve.html\">DIN JIS 10K ANSI Gost Bride en acier coul\u00e9 Vanne de grille de couteau pneumatique<\/a> <\/h4>\n <p style=\"text-align:left\"><\/p>\n <\/div>\n <\/div>\n <\/div>\n <div class=\"_col-md-3_1k55i_169\">\n <div class=\"_product-item_1k55i_572 _card_1k55i_233\">\n <div class=\"_card-image_1k55i_577\"> <a href=\"\/product\/pneumatic-Cylinder-Linear-knife-gate-valve.html\" title=\"SS 316 Cylindre pneumatique Actionneur lin\u00e9aire Vanne \u00e0 grille de couteau\"> <img src=\"\/\/upload.digoodcms.com\/728\/image_1638499804_SS-316-Pneumatic-Cylinder-Linear-Actuator-Knife-Edg.jpg?imageView2\/1\/w\/450\/h\/450\/format\/webp\" width=\"450\" height=\"450\" alt=\"SS 316 Cylindre pneumatique Actionneur lin\u00e9aire Vanne \u00e0 grille de couteau\" class=\"_img-fluid_1k55i_123\"><h4>Voir les d\u00e9tails<\/h4>\n <\/a> <\/div>\n <div class=\"_card-body_1k55i_245\">\n <h4> <a href=\"\/product\/pneumatic-Cylinder-Linear-knife-gate-valve.html\">SS 316 Cylindre pneumatique Actionneur lin\u00e9aire Vanne \u00e0 grille de couteau<\/a> <\/h4>\n <p style=\"text-align:left\"><\/p>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <div class=\"text-center\"> <a href=\"https:\/\/fr.covna-china.com\/products\/all.html\" class=\"btn _btn-more_1k55i_706\" name=\"btn-section-products\">Voir plus<\/a> <\/div>\n <\/div>\n <\/section><section id=\"section-reviews\" class=\"_section-padding_1k55i_514 _section-reviews_1k55i_648 scrollspy\"><div class=\"_container_1k55i_128\">\n <div class=\"_section-header_1k55i_494 _center_1k55i_505\">\n <h5 class=\"_section-subtitle_1k55i_498\">Avis d\u2019utilisateurs<\/h5>\n <h2 class=\"_section-title_1k55i_498\">Ce que les utilisateurs disent de COVNA<\/h2>\n <\/div>\n <div class=\"_slider-wrap_1k55i_471\">\n <div class=\"slider-reviews\">\n <div class=\"slider-item\">\n <div class=\"review-item\"> <svg class=\"icon\" width=\"24\" height=\"24\" viewbox=\"0 0 24 24\"><path fill=\"currentColor\" d=\"M10,7L8,11H11V17H5V11L7,7H10M18,7L16,11H19V17H13V11L15,7H18Z\"><\/path><\/svg><p>La fabrication est en place, et la qualit\u00e9 est tr\u00e8s bonne en un coup d\u2019\u0153il!<\/p>\n <div class=\"name-box\">\n <div class=\"name-text\">\n <h5 class=\"name-title\">Lion<\/h5>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <div class=\"slider-item\">\n <div class=\"review-item\"> <svg class=\"icon\" width=\"24\" height=\"24\" viewbox=\"0 0 24 24\"><path fill=\"currentColor\" d=\"M10,7L8,11H11V17H5V11L7,7H10M18,7L16,11H19V17H13V11L15,7H18Z\"><\/path><\/svg><p>Clients r\u00e9guliers, la coop\u00e9ration a \u00e9t\u00e9 tr\u00e8s heureuse!<\/p>\n <div class=\"name-box\">\n <div class=\"name-text\">\n <h5 class=\"name-title\">Mondes<\/h5>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <div class=\"slider-item\">\n <div class=\"review-item\"> <svg class=\"icon\" width=\"24\" height=\"24\" viewbox=\"0 0 24 24\"><path fill=\"currentColor\" d=\"M10,7L8,11H11V17H5V11L7,7H10M18,7L16,11H19V17H13V11L15,7H18Z\"><\/path><\/svg><p>La finition est fine, la taille est correcte, le design est en place et le service est attentif et attentionn\u00e9!<\/p>\n <div class=\"name-box\">\n <div class=\"name-text\">\n <h5 class=\"name-title\">Kepler<\/h5>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/section><section id=\"section-faq\" class=\"_section-padding_1k55i_514 _section-faq_1k55i_648\"><div class=\"_container_1k55i_128\">\n <div class=\"_section-header_1k55i_494 _center_1k55i_505\">\n <h5 class=\"_section-subtitle_1k55i_498\">Foire aux questions<\/h5>\n <h2 class=\"_section-title_1k55i_498\">Avez-vous des questions?<\/h2>\n <\/div>\n <div class=\"_faq-list_18vzw_465\" itemscope itemtype=\"https:\/\/schema.org\/FAQPage\">\n <div class=\"_card_1k55i_233 _faq-item_1k55i_652\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n <div class=\"_card-header_18vzw_353\">\n <h4> <a data-toggle=\"faq_collapse\" href=\"#faq0\"> <span itemprop=\"name\">Quelles sont les caract\u00e9ristiques de la vanne \u00e0 grille \u00e0 couteau pneumatique?<\/span> <svg class=\"_icon_1k55i_658\" viewbox=\"0 0 24 24\"><path d=\"M7.41,8.58L12,13.17L16.59,8.58L18,10L12,16L6,10L7.41,8.58Z\"><\/path><\/svg><\/a> <\/h4>\n <\/div>\n <div itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\" id=\"faq0\" class=\"_collapse_18vzw_331 _open_18vzw_495\">\n <div class=\"_card-body_1k55i_245\">\n <p itemprop=\"text\">L\u2019entretien est pratique et le joint de la vanne peut \u00eatre remplac\u00e9 sans retirer la vanne. La temp\u00e9rature est g\u00e9n\u00e9ralement utilis\u00e9e en dessous de 120 \u00b0 C, la temp\u00e9rature \u00e9lev\u00e9e peut \u00e9galement \u00eatre remplac\u00e9e par des mat\u00e9riaux sp\u00e9ciaux.<\/p>\n <\/div>\n <\/div>\n <\/div>\n <div class=\"_card_1k55i_233 _faq-item_1k55i_652\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n <div class=\"_card-header_18vzw_353\">\n <h4> <a data-toggle=\"faq_collapse\" href=\"#faq1\"> <span itemprop=\"name\">Quelle est la diff\u00e9rence entre la vanne \u00e0 grille \u00e0 couteau et la vanne \u00e0 grille ordinaire?<\/span> <svg class=\"_icon_1k55i_658\" viewbox=\"0 0 24 24\"><path d=\"M7.41,8.58L12,13.17L16.59,8.58L18,10L12,16L6,10L7.41,8.58Z\"><\/path><\/svg><\/a> <\/h4>\n <\/div>\n <div itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\" id=\"faq1\" class=\"_collapse_18vzw_331\">\n <div class=\"_card-body_1k55i_245\">\n <p itemprop=\"text\">Compar\u00e9es aux vannes \u00e0 grille ordinaires, les vannes \u00e0 grille \u00e0 couteau sont de structure simple, de petite taille, flexibles en fonctionnement, faciles \u00e0 installer et adapt\u00e9es aux fluides avec une consistance plus \u00e9lev\u00e9e et des particules solides. La conception de la vanne \u00e0 grille \u00e0 couteau \u00e0 al\u00e9sage complet permet \u00e0 la vanne d\u2019\u00eatre utilis\u00e9e dans des conditions sales, et le si\u00e8ge et l\u2019emballage rempla\u00e7ables rendent la vanne facile \u00e0 entretenir.<\/p>\n <\/div>\n <\/div>\n <\/div>\n <div class=\"_card_1k55i_233 _faq-item_1k55i_652\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n <div class=\"_card-header_18vzw_353\">\n <h4> <a data-toggle=\"faq_collapse\" href=\"#faq2\"> <span itemprop=\"name\">Quelle est la fonction de la vanne \u00e0 grille \u00e0 couteau?<\/span> <svg class=\"_icon_1k55i_658\" viewbox=\"0 0 24 24\"><path d=\"M7.41,8.58L12,13.17L16.59,8.58L18,10L12,16L6,10L7.41,8.58Z\"><\/path><\/svg><\/a> <\/h4>\n <\/div>\n <div itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\" id=\"faq2\" class=\"_collapse_18vzw_331\">\n <div class=\"_card-body_1k55i_245\">\n <p itemprop=\"text\">Vanne \u00e0 grille \u00e0 couteau, \u00e9galement connue sous le nom de vanne \u00e0 grille \u00e0 couteau, vanne \u00e0 grille \u00e0 couteau, vanne \u00e0 boue, sa partie d\u2019ouverture et de fermeture est une porte, la direction du mouvement de la vanne est perpendiculaire \u00e0 la direction du fluide et elle est coup\u00e9e par une vanne en forme de lame qui peut couper des mat\u00e9riaux en fibre. Moyenne, la porte a deux surfaces d\u2019\u00e9tanch\u00e9it\u00e9. Les deux surfaces d\u2019\u00e9tanch\u00e9it\u00e9 de la vanne \u00e0 grille de mode la plus couramment utilis\u00e9e forment un coin. L\u2019angle de coin varie en fonction des param\u00e8tres de la vanne, g\u00e9n\u00e9ralement 50. La porte de la vanne de grille \u00e0 couteau de coin peut \u00eatre transform\u00e9e en un tout, on l\u2019appelle porte rigide; il peut \u00e9galement \u00eatre transform\u00e9 en une porte qui peut produire une l\u00e9g\u00e8re d\u00e9formation pour am\u00e9liorer sa fabricabilit\u00e9 et compenser la d\u00e9viation de l\u2019angle de la surface d\u2019\u00e9tanch\u00e9it\u00e9 dans le processus de traitement. Ce type de porte est appel\u00e9 une porte \u00e9lastique. Il n\u2019y a pas de cavit\u00e9 dans le corps de la valve. La grille est soulev\u00e9e et abaiss\u00e9e dans la rainure de guidage lat\u00e9rale et est press\u00e9e contre le si\u00e8ge de la soupape par les cornes en bas. Si vous devez obtenir une \u00e9tanch\u00e9it\u00e9 moyenne plus \u00e9lev\u00e9e, vous pouvez choisir un si\u00e8ge de soupape d\u2019\u00e9tanch\u00e9it\u00e9 en forme de O pour obtenir une \u00e9tanch\u00e9it\u00e9 bidirectionnelle. La vanne \u00e0 grille \u00e0 couteau a un petit espace d\u2019installation, une faible pression de travail, n\u2019est pas facile \u00e0 accumuler des d\u00e9bris et le prix est bas.<\/p>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/section><section id=\"section-news\" class=\"_section-padding_1k55i_514 _section-blog_1k55i_706\"><div class=\"_container_1k55i_128\">\n <div class=\"_section-header_1k55i_494 _center_1k55i_505\">\n <h2 class=\"_section-title_1k55i_498\">Nos mises \u00e0 jour et articles de blog<\/h2>\n <\/div>\n <div class=\"_row_1k55i_160\">\n <div class=\"_col-md-4_1k55i_170\">\n <div class=\"_blog-item_1k55i_710 _card_1k55i_233\">\n <div class=\"_card-image_1k55i_577\"> <a href=\"\/article\/where-the-butterfly-valve-is-applicable.html\" title=\"| pneumatique-couteau-vanne-vanne Lorsque la vanne papillon est applicable\"> <img src=\"https:\/\/seo-console-assets.goalsites.com\/uploads\/covna-china_com\/6148e12e-dcc5-419e-99f8-6df68fa341e8.png?t=1666644797&x-oss-process=image\/resize,w_600,h_400\/format,webp\" width=\"600\" height=\"400\" alt=\"| pneumatique-couteau-vanne-vanne Lorsque la vanne papillon est applicable\" class=\"_img-fluid_1k55i_123\"><div class=\"_date-time_1k55i_714\">23 D\u00e9c<\/div>\n <\/a> <\/div>\n <div class=\"_card-body_1k55i_245\">\n <h4> <a href=\"\/article\/where-the-butterfly-valve-is-applicable.html\">| pneumatique-couteau-vanne-vanne Lorsque la vanne papillon est applicable<\/a> <\/h4>\n <p>{mot-cl\u00e9},Les vannes papillon conviennent \u00e0 la r\u00e9gulation du d\u00e9bit. \u00c9tant donn\u00e9 que la perte de pression de la vanne papillon dans le pipeline est relativement importante, elle est environ trois fois sup\u00e9rieure \u00e0 celle de la vanne \u00e0 grille.<\/p>\n <\/div>\n <\/div>\n <\/div>\n <div class=\"_col-md-4_1k55i_170\">\n <div class=\"_blog-item_1k55i_710 _card_1k55i_233\">\n <div class=\"_card-image_1k55i_577\"> <a href=\"\/article\/how-to-choose-electric-butterfly-valve.html\" title=\"| pneumatique-couteau-vanne-vanne Comment choisir la vanne papillon \u00e9lectrique\"> <img src=\"https:\/\/seo-console-assets.goalsites.com\/uploads\/covna-china_com\/2a542176-508c-49dd-a5f7-f6a7bcb17035.png?t=1666644797&x-oss-process=image\/resize,w_600,h_400\/format,webp\" width=\"600\" height=\"400\" alt=\"| pneumatique-couteau-vanne-vanne Comment choisir la vanne papillon \u00e9lectrique\" class=\"_img-fluid_1k55i_123\"><div class=\"_date-time_1k55i_714\">23 D\u00e9c<\/div>\n <\/a> <\/div>\n <div class=\"_card-body_1k55i_245\">\n <h4> <a href=\"\/article\/how-to-choose-electric-butterfly-valve.html\">| pneumatique-couteau-vanne-vanne Comment choisir la vanne papillon \u00e9lectrique<\/a> <\/h4>\n <p>{mot-cl\u00e9}. Le disque de la vanne papillon est que le disque a un arbre tournant sur la position du si\u00e8ge de la vanne. L\u2019angle de rotation d\u00e9termine le degr\u00e9 d\u2019ouverture et de fermeture de la vanne.<\/p>\n <\/div>\n <\/div>\n <\/div>\n <div class=\"_col-md-4_1k55i_170\">\n <div class=\"_blog-item_1k55i_710 _card_1k55i_233\">\n <div class=\"_card-image_1k55i_577\"> <a href=\"\/article\/gate-valve-movement.html\" title=\"| pneumatique-couteau-vanne-vanne Mouvement de vanne\"> <img src=\"https:\/\/seo-console-assets.goalsites.com\/uploads\/covna-china_com\/e904918a-1de8-4300-a2ea-5122a34471d6.png?t=1666644797&x-oss-process=image\/resize,w_600,h_400\/format,webp\" width=\"600\" height=\"400\" alt=\"| pneumatique-couteau-vanne-vanne Mouvement de vanne\" class=\"_img-fluid_1k55i_123\"><div class=\"_date-time_1k55i_714\">08 janv.<\/div>\n <\/a> <\/div>\n <div class=\"_card-body_1k55i_245\">\n <h4> <a href=\"\/article\/gate-valve-movement.html\">| pneumatique-couteau-vanne-vanne Mouvement de vanne<\/a> <\/h4>\n <p>{mot-cl\u00e9},La plupart des vannes \u00e0 vanne sont scell\u00e9es de force, c\u2019est-\u00e0-dire que lorsque la vanne est ferm\u00e9e, la vanne doit \u00eatre forc\u00e9e contre le si\u00e8ge de la vanne par une force externe pour assurer l\u2019\u00e9tanch\u00e9it\u00e9 de la surface d\u2019\u00e9tanch\u00e9it\u00e9.<\/p>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <div class=\"text-center\"> <a href=\"https:\/\/fr.covna-china.com\/articles\/all.html\" class=\"btn _btn-more_1k55i_706\" name=\"btn-section-news\">Lire la suite<\/a> <\/div>\n <\/div>\n <\/section><section class=\"_section-contact_1k55i_757 _section-padding_1k55i_514\" id=\"section-contact\"><div class=\"_container_1k55i_128\">\n <div class=\"_row_1k55i_160\">\n <div class=\"_col-md-5_1k55i_171\">\n <div class=\"_contact-info_1k55i_761\">\n <h5>Contat Us<\/h5>\n <h2 class=\"_section-title_1k55i_498\">Avez-vous des questions? 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