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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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[digood-page-content] #_section-links_1k55i_757 ._tags-tab_13kno_350 .tab-nav .tab-item.active .tab-link {\n color: var(--primary)\n }\n\n [digood-page-content] #_section-links_1k55i_757 ._tags-tab_13kno_350 .tab-nav .tab-item.active {\n border-color: var(--primary)\n }\n\n [digood-page-content] #_section-links_1k55i_757 ._tags-box_13kno_350 a {\n color: #343434\n }\n\n [digood-page-content] #_section-links_1k55i_757 ._tags-box_13kno_350 a:hover {\n color: #343434\n }\n\n [digood-page-content] #_section-links_1k55i_757 p {\n margin-bottom: 0;\n text-align: center\n }\n\n [dir=rtl] [digood-page-content] {\n text-align: right\n }\n\n [dir=rtl] [digood-page-content] ._section-header_1k55i_494 ._section-title_1k55i_498 {\n padding-left: 0;\n padding-right: 15px;\n border-left: none;\n border-right: 3px solid var(--primary);\n text-transform: capitalize\n }\n\n [dir=rtl] [digood-page-content] ._section-header_1k55i_494._center_1k55i_505 ._section-title_1k55i_498 {\n border: none\n }\n\n 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-webkit-box-shadow: 0 0 2px rgb(0 0 0 \/ 15%);\n box-shadow: 0 0 2px rgb(0 0 0 \/ 15%)\n }\n\n .header.fixed {\n position: fixed;\n top: 0;\n right: 0;\n left: 0;\n z-index: 1050;\n -webkit-box-shadow: 0 0 16px rgb(0 0 0 \/ 32%);\n box-shadow: 0 0 16px rgb(0 0 0 \/ 32%)\n }\n\n .header .nav-logo {\n height: 80px;\n max-height: 80px;\n max-width: 300px\n }\n\n .header .nav-logo img {\n height: 100%\n }\n\n .nav-menu {\n display: none;\n align-items: center;\n list-style: none;\n margin: 0;\n padding: 0\n }\n\n .nav-menu>li>a {\n color: #555556;\n font-size: 16px;\n font-weight: 500;\n display: block;\n padding: 0 15px;\n line-height: 90px;\n text-transform: uppercase;\n -webkit-transition: all .4s ease;\n transition: all .4s ease;\n border-bottom: 2px solid transparent\n }\n\n .nav-menu>li>a.active,\n .nav-menu>li>a:hover {\n color: var(--primary);\n border-color: var(--primary)\n }\n\n .nav-menu>li:last-child>a {\n padding-right: 0\n }\n\n .fixed .nav-logo {\n height: 60px\n }\n\n .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 -ms-transition: all .4s ease-in-out;\n transition: all .4s ease-in-out\n }\n\n .cd-top .icon {\n width: 36px;\n height: 36px\n }\n\n .cd-top.cd-is-visible {\n visibility: visible;\n opacity: 1\n }\n\n .cd-top.cd-fade-out {\n opacity: .5\n }\n\n .cd-top:hover {\n background-color: #000;\n opacity: 1;\n color: #fff\n }\n\n [dir=rtl] .nav-menu>li:last-child>a {\n padding-left: 0\n }\n\n @media (min-width:576px) {\n .container {\n max-width: 540px\n }\n }\n\n @media (min-width:768px) {\n .container {\n max-width: 720px\n }\n\n .nav-menu {\n display: flex\n }\n }\n\n @media (min-width:992px) {\n .container {\n max-width: 960px\n }\n }\n\n @media (min-width:1200px) {\n .container {\n max-width: 1140px\n }\n }\n <\/style>\n<script type=\"application\/ld+json\">\n {\n \"@context\": \"https:\/\/schema.org\",\n \"@type\": \"Organization\",\n \"url\": \"https:\/\/www.covna-china.com\/dlp\/pneumatic-knife-gate-valve.html\",\n \"logo\": 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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=\"Tornar a l'inici\" 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=\"\/\">Llar<\/a><\/li>\n <li class=\"menu-item\">\n<a class=\"menu-item-link\" href=\"https:\/\/ca.covna-china.com\/page\/about-us.html\">SOBRE<\/a> <\/li>\n <li class=\"menu-item\">\n<a class=\"menu-item-link\" href=\"https:\/\/ca.covna-china.com\/products\/all.html\">PRODUCTES<\/a> <\/li>\n <li 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class=\"_section-header_1k55i_494\">\n <h1 class=\"_section-title_1k55i_498\">Qu\u00e8 \u00e9s una v\u00e0lvula de porta de ganivet pneum\u00e0tica<\/h1>\n <\/div>\n <div class=\"_text_1k55i_498\">\n <p>La v\u00e0lvula de porta pneum\u00e0tica de ganivet \u00e9s un nou tipus de v\u00e0lvula de porta de ganivet millorada per Xinhe Valve sobre la base de v\u00e0lvula manual de porta de ganivet per satisfer les condicions especials de treball dels clients. Consta d'un dispositiu pneum\u00e0tic i una v\u00e0lvula de porta de ganivet, que \u00e9s convenient i r\u00e0pida d'obrir.<\/p>\n <\/div> <a href=\"#section-contact\" class=\"_btn-action_1k55i_545 _btn-scroll_1k55i_778\" name=\"btn-section-home\">Obteniu un pressupost<\/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\">Trets<\/h5>\n <h2 class=\"_section-title_1k55i_498\">Per qu\u00e8 escollir 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=\"Artesania exquisida\" class=\"_img-fluid_1k55i_123\">\n<\/div>\n <h3 class=\"feature-title\">Artesania exquisida<\/h3>\n <p class=\"feature-text\">Seguiu l'esperit de l'enginy mecanitzat CNC de precisi\u00f3 20 anys d'orientaci\u00f3 d'enginyer t\u00e8cnic<\/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=\"Innovaci\u00f3 tecnol\u00f2gica\" class=\"_img-fluid_1k55i_123\">\n<\/div>\n <h3 class=\"feature-title\">Innovaci\u00f3 tecnol\u00f2gica<\/h3>\n <p class=\"feature-text\">Fundaci\u00f3 d'alta tecnologia Insistir en la innovaci\u00f3 i el desenvolupament Equip de talent t\u00e8cnic s\u00e8nior<\/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=\"Costums especials\" class=\"_img-fluid_1k55i_123\">\n<\/div>\n <h3 class=\"feature-title\">Costums especials<\/h3>\n <p class=\"feature-text\">Parell fins a 4678nm Selecci\u00f3 de guia t\u00e8cnica s\u00e8nior Personalitzaci\u00f3 especial segons necessitats del 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=\"Qualitat consistent\" class=\"_img-fluid_1k55i_123\">\n<\/div>\n <h3 class=\"feature-title\">Qualitat consistent<\/h3>\n <p class=\"feature-text\">Certificaci\u00f3 internacional ISO9001 Adherir-se a processos de producci\u00f3 estandarditzats Assaig de durabilitat d'1 mili\u00f3 de cicles<\/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=\"sobre 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\">Tenim les millors solucions per al teu negoci<\/h2>\n <\/div>\n <div class=\"_text_1k55i_498\">\n <p>COVNA Industrial Automation Co, Ltd es va establir el 2000, un especialista en v\u00e0lvules automatitzades. Amb seu a Dongguan, Xina, amb 3 bases de producci\u00f3 situades a Ningbo, Wenzhou i Dongguan.<\/p>\n <p>Proporcionem v\u00e0lvula el\u00e8ctrica, v\u00e0lvula solenoide, v\u00e0lvula pneum\u00e0tica, v\u00e0lvula de porta el\u00e8ctrica, v\u00e0lvula de papallona el\u00e8ctrica, v\u00e0lvula de control pneum\u00e0tica, v\u00e0lvula motoritzada, v\u00e0lvula de porta de ganivet pneum\u00e0tica, v\u00e0lvula de control pneum\u00e0tica, v\u00e0lvula accionada pneum\u00e0tica, v\u00e0lvula accionada motoritzada, v\u00e0lvula de bola el\u00e8ctrica, v\u00e0lvula de bola, v\u00e0lvula de porta, v\u00e0lvula de porta, v\u00e0lvula de papallona, v\u00e0lvula de globus, etc., Podeu navegar per productes relacionats i iniciar consultes al nostre lloc web.<\/p>\n <\/div> <a href=\"https:\/\/ca.covna-china.com\/page\/about-us.html\" class=\"btn _btn-more_1k55i_706\" name=\"btn-section-about\">Llegir M\u00e9s<\/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\">V\u00e0lvula de porta pneum\u00e0tica de ganivet d'alta qualitat<\/h2>\n <p>La v\u00e0lvula de la porta del ganivet pneum\u00e0tic \u00e9s accionada per un dispositiu pneum\u00e0tic, que compensa els problemes d'obertura manual i el disseny \u00e9s m\u00e9s humanitzat i intel\u00b7ligent. S'utilitza \u00e0mpliament en la mineria del carb\u00f3, la fabricaci\u00f3 de paper, la metal\u00b7l\u00fargia, el tractament d'aig\u00fces residuals, l'administraci\u00f3 municipal, l'energia el\u00e8ctrica, l'alimentaci\u00f3 i altres ind\u00fastries.<\/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\">Productes destacats<\/h5>\n <h2 class=\"_section-title_1k55i_498\">Col\u00b7lecci\u00f3 sobre 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=\"V\u00e0lvula de porta el\u00e8ctrica multi torn a prova d'explosi\u00f3\"> <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=\"V\u00e0lvula de porta el\u00e8ctrica multi torn a prova d'explosi\u00f3\" class=\"_img-fluid_1k55i_123\"><h4>Veure detalls<\/h4>\n <\/a> <\/div>\n <div class=\"_card-body_1k55i_245\">\n <h4> <a href=\"\/product\/explosion-proof-multi-turn-electric-gate-valve.html\">V\u00e0lvula de porta el\u00e8ctrica multi torn a prova d'explosi\u00f3<\/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 Ganivet Porta V\u00e0lvula Actuador El\u00e8ctric multi-torn\"> <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 Ganivet Porta V\u00e0lvula Actuador El\u00e8ctric multi-torn\" class=\"_img-fluid_1k55i_123\"><h4>Veure detalls<\/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 Ganivet Porta V\u00e0lvula Actuador El\u00e8ctric multi-torn<\/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 Cilindre pneum\u00e0tic V\u00e0lvula de porta de ganivet lineal de cilindre lineal\"> <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 Cilindre pneum\u00e0tic V\u00e0lvula de porta de ganivet lineal de cilindre lineal\" class=\"_img-fluid_1k55i_123\"><h4>Veure detalls<\/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 Cilindre pneum\u00e0tic V\u00e0lvula de porta de ganivet lineal de cilindre lineal<\/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 V\u00e0lvula de porta de ganivet accionada el\u00e8ctrica de ferro colat\"> <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 V\u00e0lvula de porta de ganivet accionada el\u00e8ctrica de ferro colat\" class=\"_img-fluid_1k55i_123\"><h4>Veure detalls<\/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 V\u00e0lvula de porta de ganivet accionada el\u00e8ctrica de ferro colat<\/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 V\u00e0lvula de porta de ganivet pneum\u00e0tica d'acer colat\"> <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 V\u00e0lvula de porta de ganivet pneum\u00e0tica d'acer colat\" class=\"_img-fluid_1k55i_123\"><h4>Veure detalls<\/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 V\u00e0lvula de porta de ganivet pneum\u00e0tica d'acer colat<\/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 Cilindre pneum\u00e0tic V\u00e0lvula de porta de ganivet lineal de cilindre lineal\"> <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 Cilindre pneum\u00e0tic V\u00e0lvula de porta de ganivet lineal de cilindre lineal\" class=\"_img-fluid_1k55i_123\"><h4>Veure detalls<\/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 Cilindre pneum\u00e0tic V\u00e0lvula de porta de ganivet lineal de cilindre lineal<\/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 V\u00e0lvula de porta de ganivet pneum\u00e0tica d'acer colat\"> <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 V\u00e0lvula de porta de ganivet pneum\u00e0tica d'acer colat\" class=\"_img-fluid_1k55i_123\"><h4>Veure detalls<\/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 V\u00e0lvula de porta de ganivet pneum\u00e0tica d'acer colat<\/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 Cilindre pneum\u00e0tic V\u00e0lvula de porta de ganivet lineal de cilindre lineal\"> <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 Cilindre pneum\u00e0tic V\u00e0lvula de porta de ganivet lineal de cilindre lineal\" class=\"_img-fluid_1k55i_123\"><h4>Veure detalls<\/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 Cilindre pneum\u00e0tic V\u00e0lvula de porta de ganivet lineal de cilindre lineal<\/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:\/\/ca.covna-china.com\/products\/all.html\" class=\"btn _btn-more_1k55i_706\" name=\"btn-section-products\">Veure M\u00e9s<\/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\">Opinions dels usuaris<\/h5>\n <h2 class=\"_section-title_1k55i_498\">Qu\u00e8 diuen els usuaris sobre 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 m\u00e0 d'obra est\u00e0 al seu lloc i la qualitat \u00e9s molt bona d'un cop d'ull.<\/p>\n <div class=\"name-box\">\n <div class=\"name-text\">\n <h5 class=\"name-title\">Lle\u00f3<\/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 habituals, la col\u00b7laboraci\u00f3 ha estat molt feli\u00e7!<\/p>\n <div class=\"name-box\">\n <div class=\"name-text\">\n <h5 class=\"name-title\">Mons<\/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 m\u00e0 d'obra est\u00e0 b\u00e9, la mida \u00e9s la correcta, el disseny est\u00e0 al seu lloc i el servei \u00e9s atent i atent.<\/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\">Preguntes freq\u00fcents<\/h5>\n <h2 class=\"_section-title_1k55i_498\">Tens alguna pregunta?<\/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\">Quines s\u00f3n les caracter\u00edstiques de la v\u00e0lvula pneum\u00e0tica de porta de ganivet?<\/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\">El manteniment \u00e9s convenient i es pot substituir el segellat de la v\u00e0lvula sense treure la v\u00e0lvula. La temperatura s'utilitza generalment per sota de 120 \u00b0 C, l'alta temperatura tamb\u00e9 es pot substituir per materials especials.<\/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\">Quina difer\u00e8ncia hi ha entre la v\u00e0lvula de la porta del ganivet i la v\u00e0lvula de porta ordin\u00e0ria?<\/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\">En comparaci\u00f3 amb les v\u00e0lvules de porta ordin\u00e0ries, les v\u00e0lvules de porta de ganivet s\u00f3n d'estructura senzilla, de mida petita, flexibles en funcionament, f\u00e0cils d'instal\u00b7lar i adequades per a mitjans amb major consist\u00e8ncia i part\u00edcules s\u00f2lides. El disseny de la v\u00e0lvula de porta de ganivet de di\u00e0metre complet permet utilitzar la v\u00e0lvula en condicions brutes, i el seient i l'embalatge reempla\u00e7ables fan que la v\u00e0lvula sigui f\u00e0cil de mantenir.<\/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\">Quina \u00e9s la funci\u00f3 de la v\u00e0lvula de la porta del ganivet?<\/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\">V\u00e0lvula de porta de ganivet, tamb\u00e9 coneguda com a v\u00e0lvula de porta de ganivet, v\u00e0lvula de porta de ganivet, v\u00e0lvula de pur\u00ed, v\u00e0lvula de fang, la seva part d'obertura i tancament \u00e9s una porta, la direcci\u00f3 de moviment de la porta \u00e9s perpendicular a la direcci\u00f3 del fluid i es talla per una porta en forma de fulla que pot tallar materials de fibra. Mitjana, la porta t\u00e9 dues superf\u00edcies de segellat. Les dues superf\u00edcies de segellat de la v\u00e0lvula de porta de mode m\u00e9s utilitzada formen una falca. L'angle de falca varia segons els par\u00e0metres de la v\u00e0lvula, normalment 50. La porta de la v\u00e0lvula de la porta del ganivet de falca es pot convertir en un tot , S'anomena porta r\u00edgida; tamb\u00e9 es pot convertir en una porta que pot produir una lleugera deformaci\u00f3 per millorar la seva fabricabilitat i compensar la desviaci\u00f3 de l'angle de superf\u00edcie de segellat en el proc\u00e9s de processament. Aquest tipus de porta s'anomena porta el\u00e0stica. No hi ha cavitat al cos de la v\u00e0lvula. La porta s'eleva i baixa a la ranura de la guia lateral, i es pressiona contra el seient de la v\u00e0lvula per les lugs de la part inferior. Si necessiteu aconseguir una estanquitat mitjana m\u00e9s alta, podeu triar un seient de v\u00e0lvula de segellat en forma d'O per aconseguir un segellat bidireccional. La v\u00e0lvula de porta de ganivet t\u00e9 un petit espai d'instal\u00b7laci\u00f3, baixa pressi\u00f3 de treball, no \u00e9s f\u00e0cil acumular deixalles i el preu \u00e9s baix.<\/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\">Les nostres actualitzacions i publicacions al 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=\"| pneum\u00e0tic-ganivet-porta-v\u00e0lvula On s'aplica la v\u00e0lvula de papallona\"> <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=\"| pneum\u00e0tic-ganivet-porta-v\u00e0lvula On s'aplica la v\u00e0lvula de papallona\" class=\"_img-fluid_1k55i_123\"><div class=\"_date-time_1k55i_714\">23 de desembre<\/div>\n <\/a> <\/div>\n <div class=\"_card-body_1k55i_245\">\n <h4> <a href=\"\/article\/where-the-butterfly-valve-is-applicable.html\">| pneum\u00e0tic-ganivet-porta-v\u00e0lvula On s'aplica la v\u00e0lvula de papallona<\/a> <\/h4>\n <p>{keyword},Les v\u00e0lvules de papallona s\u00f3n adequades per a la regulaci\u00f3 del flux. Com que la p\u00e8rdua de pressi\u00f3 de la v\u00e0lvula de papallona a la canonada \u00e9s relativament gran, \u00e9s aproximadament tres vegades la de la v\u00e0lvula de la porta.<\/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=\"| pneum\u00e0tic-ganivet-porta-v\u00e0lvula Com triar la v\u00e0lvula de papallona el\u00e8ctrica\"> <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=\"| pneum\u00e0tic-ganivet-porta-v\u00e0lvula Com triar la v\u00e0lvula de papallona el\u00e8ctrica\" class=\"_img-fluid_1k55i_123\"><div class=\"_date-time_1k55i_714\">23 de desembre<\/div>\n <\/a> <\/div>\n <div class=\"_card-body_1k55i_245\">\n <h4> <a href=\"\/article\/how-to-choose-electric-butterfly-valve.html\">| pneum\u00e0tic-ganivet-porta-v\u00e0lvula Com triar la v\u00e0lvula de papallona el\u00e8ctrica<\/a> <\/h4>\n <p>{paraula clau}. El disc de la v\u00e0lvula de papallona \u00e9s que el disc t\u00e9 un eix que gira sobre la posici\u00f3 del seient de la v\u00e0lvula. L'angle de rotaci\u00f3 determina el grau d'obertura i tancament de la v\u00e0lvula.<\/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=\"| pneum\u00e0tic-ganivet-porta-v\u00e0lvula Moviment de la v\u00e0lvula de la porta\"> <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=\"| pneum\u00e0tic-ganivet-porta-v\u00e0lvula Moviment de la v\u00e0lvula de la porta\" class=\"_img-fluid_1k55i_123\"><div class=\"_date-time_1k55i_714\">08 gener<\/div>\n <\/a> <\/div>\n <div class=\"_card-body_1k55i_245\">\n <h4> <a href=\"\/article\/gate-valve-movement.html\">| pneum\u00e0tic-ganivet-porta-v\u00e0lvula Moviment de la v\u00e0lvula de la porta<\/a> <\/h4>\n <p>{keyword},La majoria de les v\u00e0lvules de la porta estan segellades per la for\u00e7a, \u00e9s a dir, quan la v\u00e0lvula est\u00e0 tancada, la porta s'ha de for\u00e7ar contra el seient de la v\u00e0lvula per for\u00e7a externa per garantir l'estanquitat de la superf\u00edcie de segellat.<\/p>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <div class=\"text-center\"> <a href=\"https:\/\/ca.covna-china.com\/articles\/all.html\" class=\"btn _btn-more_1k55i_706\" name=\"btn-section-news\">Llegir M\u00e9s<\/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>Contacta amb nosaltres<\/h5>\n <h2 class=\"_section-title_1k55i_498\">Tens alguna pregunta? 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Si us plau esperi ...<\/div>\n <\/div>\n <div class=\"_msg_1k55i_777 _msg-success_1k55i_777\">\n <div class=\"_alert_1k55i_251 _alert-success_1k55i_251\" role=\"alert\"> <svg class=\"_icon_1k55i_658\" viewbox=\"0 0 24 24\"><path d=\"M9,20.42L2.79,14.21L5.62,11.38L9,14.77L18.88,4.88L21.71,7.71L9,20.42Z\"><\/path><\/svg>\u00c8xit! Gr\u00e0cies per enviar el teu missatge! Si us plau, assegureu-vos de comprovar el vostre correu electr\u00f2nic per confirmar-ho. En breu ens posarem en contacte amb tu.<\/div>\n <\/div>\n <div class=\"_msg_1k55i_777 _msg-error_1k55i_777\">\n <div class=\"_alert_1k55i_251 _alert-danger_1k55i_251\" role=\"alert\"> <svg class=\"_icon_1k55i_658\" viewbox=\"0 0 24 24\"><path d=\"M12,2C17.53,2 22,6.47 22,12C22,17.53 17.53,22 12,22C6.47,22 2,17.53 2,12C2,6.47 6.47,2 12,2M15.59,7L12,10.59L8.41,7L7,8.41L10.59,12L7,15.59L8.41,17L12,13.41L15.59,17L17,15.59L13.41,12L17,8.41L15.59,7Z\"><\/path><\/svg>Ui! , Hi ha hagut un problema en enviar el vostre missatge.. 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class=\"tab-link\">v\u00e0lvula de papallona<\/a> <\/li>\n <li class=\"tab-item\" data-tab-target=\"#tab-10\"> <a href=\"https:\/\/ca.covna-china.com\/dlp\/globe-valve.html\" class=\"tab-link\">v\u00e0lvula de globus<\/a> <\/li>\n <li class=\"tab-item\" data-tab-target=\"#tab-11\"> <a href class=\"tab-link\"> <\/a> <\/li>\n <li class=\"tab-item\" data-tab-target=\"#tab-12\"> <a href class=\"tab-link\"> <\/a> <\/li>\n <li class=\"tab-item\" data-tab-target=\"#tab-13\"> <a href class=\"tab-link\"> <\/a> <\/li>\n <li class=\"tab-item\" data-tab-target=\"#tab-14\"> <a href class=\"tab-link\"> <\/a> <\/li>\n <li class=\"tab-item\" data-tab-target=\"#tab-15\"> <a href class=\"tab-link\"> <\/a> <\/li>\n <li class=\"tab-item\" data-tab-target=\"#tab-16\"> <a href class=\"tab-link\"> <\/a> <\/li>\n <\/ul>\n<div class=\"tab-content\">\n <div class=\"tab-pane show\" id=\"tab-0\" role=\"tabpanel\" aria-labelledby=\"tab-0\">\n <div class=\"_tags-box_13kno_350\"> <a 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href=\"https:\/\/ca.covna-china.com\/dlp\/china-pneumatic-valve.html\">v\u00e0lvula pneum\u00e0tica xinesa<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/control-valve-pneumatic.html\">v\u00e0lvula de control pneum\u00e0tica<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/custom-pneumatic-valve.html\">v\u00e0lvula pneum\u00e0tica personalitzada<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/custom-made-pneumatic-valve.html\">v\u00e0lvula pneum\u00e0tica a mida<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/customized-pneumatic-valve.html\">v\u00e0lvula pneum\u00e0tica personalitzada<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/flow-control-valve-pneumatic.html\">v\u00e0lvula pneum\u00e0tica de control de cabal<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/low-price-pneumatic-valve.html\">v\u00e0lvula pneum\u00e0tica de baix preu<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/modern-pneumatic-valve.html\">v\u00e0lvula pneum\u00e0tica moderna<\/a> <a 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href=\"https:\/\/ca.covna-china.com\/dlp\/knife-gate-valve-pneumatic.html\">v\u00e0lvula de porta de ganivet pneum\u00e0tica<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/knife-gate-valve-pneumatic-actuator.html\">actuador pneum\u00e0tic de v\u00e0lvula de porta de ganivet<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/knife-gate-valve-with-pneumatic-actuator.html\">v\u00e0lvula de porta de ganivet amb actuador pneum\u00e0tic<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/low-price-pneumatic-knife-gate-valve.html\">v\u00e0lvula de porta pneum\u00e0tica de ganivet de baix preu<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/modern-pneumatic-knife-gate-valve.html\">moderna v\u00e0lvula de porta de ganivet pneum\u00e0tica<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/odm-pneumatic-knife-gate-valve.html\">V\u00e0lvula de porta de ganivet pneum\u00e0tic odm<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/oem-pneumatic-knife-gate-valve.html\">v\u00e0lvula de porta de 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href=\"https:\/\/ca.covna-china.com\/dlp\/pneumatic-knife-gate-valve-factory.html\">f\u00e0brica de v\u00e0lvules de porta de ganivets pneum\u00e0tics<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/pneumatic-knife-gate-valve-manufacturer.html\">fabricant de v\u00e0lvules de porta de ganivet pneum\u00e0tic<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/pneumatic-knife-gate-valve-manufacturers.html\">fabricants de v\u00e0lvules de porta de ganivets pneum\u00e0tics<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/pneumatic-knife-gate-valve-production.html\">producci\u00f3 de v\u00e0lvules de porta de ganivet pneum\u00e0tic<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/pneumatic-knife-gate-valve-seller.html\">venedor de v\u00e0lvules de porta de ganivet pneum\u00e0tic<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/pneumatic-knife-gate-valve-sellers.html\">venedors de v\u00e0lvules de porta de ganivets pneum\u00e0tics<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/pneumatic-knife-gate-valve-supplier.html\">prove\u00efdor de v\u00e0lvules de porta de ganivet pneum\u00e0tic<\/a> <\/div>\n <\/div>\n <div class=\"tab-pane\" id=\"tab-7\" role=\"tabpanel\" aria-labelledby=\"tab-7\">\n <div class=\"_tags-box_13kno_350\"> <a href=\"https:\/\/ca.covna-china.com\/dlp\/ball-valve-agencies.html\">ag\u00e8ncies de v\u00e0lvules de bola<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/ball-valve-agency.html\">ag\u00e8ncia de v\u00e0lvules de bola<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/ball-valve-brand.html\">marca de v\u00e0lvules de bola<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/ball-valve-company.html\">empresa de v\u00e0lvules de bola<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/ball-valve-factories.html\">f\u00e0briques de v\u00e0lvules de bola<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/ball-valve-factory.html\">f\u00e0brica de v\u00e0lvules de bola<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/ball-valve-for-sale.html\">v\u00e0lvula de bola per a la venda<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/ball-valve-in-china.html\">v\u00e0lvula de bola a la Xina<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/ball-valve-manufacturer.html\">fabricant de v\u00e0lvules de bola<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/ball-valve-manufacturers.html\">fabricants de v\u00e0lvules de bola<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/ball-valve-seller.html\">venedor de v\u00e0lvules de boles<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/ball-valve-sellers.html\">venedors de v\u00e0lvules de boles<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/ball-valve-supplier.html\">prove\u00efdor de v\u00e0lvules de bola<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/ball-valve-suppliers.html\">prove\u00efdors de v\u00e0lvules de bola<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/ball-valve-wholesaler.html\">majorista de v\u00e0lvules de bola<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/china-ball-valve.html\">v\u00e0lvula de bola xinesa<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/custom-ball-valve.html\">v\u00e0lvula de bola personalitzada<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/custom-made-ball-valve.html\">v\u00e0lvula de bola feta a mida<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/odm-ball-valve.html\">V\u00e0lvula de bola odm<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/oem-ball-valve.html\">v\u00e0lvula de bola d'oem<\/a> <\/div>\n <\/div>\n <div class=\"tab-pane\" id=\"tab-8\" role=\"tabpanel\" aria-labelledby=\"tab-8\">\n <div class=\"_tags-box_13kno_350\"> <a href=\"https:\/\/ca.covna-china.com\/dlp\/best-gate-valve.html\">millor v\u00e0lvula de porta<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/china-gate-valve.html\">v\u00e0lvula de la porta de la Xina<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/custom-gate-valve.html\">v\u00e0lvula de porta personalitzada<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/custom-made-gate-valve.html\">v\u00e0lvula de porta a mida<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/customized-gate-valve.html\">v\u00e0lvula de porta personalitzada<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/gate-valve-company.html\">companyia de v\u00e0lvules de porta<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/gate-valve-factories.html\">f\u00e0briques de v\u00e0lvules de porta<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/gate-valve-factory.html\">f\u00e0brica de v\u00e0lvules de porta<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/gate-valve-in-china.html\">v\u00e0lvula de porta a la Xina<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/gate-valve-manufacturer.html\">fabricant de v\u00e0lvules de porta<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/gate-valve-manufacturers.html\">fabricants de v\u00e0lvules de porta<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/gate-valve-supplier.html\">prove\u00efdor de v\u00e0lvules de porta<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/gate-valve-suppliers.html\">prove\u00efdors de v\u00e0lvules de porta<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/gate-valve-wholesaler.html\">majorista de v\u00e0lvules de porta<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/globe-valve-vs-gate-valve.html\">v\u00e0lvula de globus vs v\u00e0lvula de porta<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/high-quality-gate-valve.html\">v\u00e0lvula de porta d'alta qualitat<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/odm-gate-valve.html\">V\u00e0lvula de porta odm<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/oem-gate-valve.html\">v\u00e0lvula de porta d'oem<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/wholesale-gate-valve.html\">v\u00e0lvula de porta a l'engr\u00f2s<\/a> <\/div>\n <\/div>\n <div class=\"tab-pane\" id=\"tab-9\" role=\"tabpanel\" aria-labelledby=\"tab-9\">\n <div class=\"_tags-box_13kno_350\"> <a href=\"https:\/\/ca.covna-china.com\/dlp\/butterfly-valve-actuator.html\">actuador de v\u00e0lvula de papallona<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/butterfly-valve-agencies.html\">ag\u00e8ncies de v\u00e0lvules de papallona<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/butterfly-valve-company.html\">companyia de v\u00e0lvules de papallona<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/butterfly-valve-cost.html\">cost de la v\u00e0lvula de papallona<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/butterfly-valve-exporter.html\">exportador de v\u00e0lvules de papallona<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/butterfly-valve-exporters.html\">exportadors de v\u00e0lvules de papallona<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/butterfly-valve-factory.html\">f\u00e0brica de v\u00e0lvules de papallona<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/butterfly-valve-in-china.html\">v\u00e0lvula de papallona a la Xina<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/butterfly-valve-manufacturer.html\">fabricant de v\u00e0lvules de papallona<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/butterfly-valve-manufacturers.html\">fabricants de v\u00e0lvules de papallona<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/butterfly-valve-seller.html\">venedor de v\u00e0lvules de papallona<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/butterfly-valve-sellers.html\">venedors de v\u00e0lvules de papallona<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/butterfly-valve-supplier.html\">prove\u00efdor de v\u00e0lvules de papallona<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/butterfly-valve-suppliers.html\">prove\u00efdors de v\u00e0lvules de papallona<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/butterfly-valve-wholesaler.html\">majorista de v\u00e0lvules de papallona<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/butterfly-valve-with-actuator.html\">v\u00e0lvula de papallona amb actuador<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/cheap-butterfly-valve.html\">v\u00e0lvula de papallona barata<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/china-butterfly-valve.html\">v\u00e0lvula de papallona de la Xina<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/custom-butterfly-valve.html\">v\u00e0lvula de papallona personalitzada<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/custom-made-butterfly-valve.html\">v\u00e0lvula de papallona a mida<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/customized-butterfly-valve.html\">v\u00e0lvula de papallona personalitzada<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/odm-butterfly-valve.html\">V\u00e0lvula de papallona odm<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/oem-butterfly-valve.html\">v\u00e0lvula de papallona oem<\/a> <\/div>\n <\/div>\n <div class=\"tab-pane\" id=\"tab-10\" role=\"tabpanel\" aria-labelledby=\"tab-10\">\n <div class=\"_tags-box_13kno_350\"> <a href=\"https:\/\/ca.covna-china.com\/dlp\/best-globe-valve.html\">millor v\u00e0lvula de globus<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/custom-made-globe-valve.html\">v\u00e0lvula de globus a mida<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/globe-valve-agencies.html\">ag\u00e8ncies de v\u00e0lvules de globus<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/globe-valve-agency.html\">ag\u00e8ncia de v\u00e0lvules de globus<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/globe-valve-company.html\">empresa de v\u00e0lvules de globus<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/globe-valve-factories.html\">f\u00e0briques de v\u00e0lvules de globus<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/globe-valve-factory.html\">f\u00e0brica de v\u00e0lvules de globus<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/globe-valve-in-china.html\">v\u00e0lvula de globus a la Xina<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/globe-valve-manufacturer.html\">fabricant de v\u00e0lvules de globus<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/globe-valve-manufacturers.html\">fabricants de v\u00e0lvules de globus<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/globe-valve-production.html\">producci\u00f3 de v\u00e0lvules de globus<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/globe-valve-seller.html\">venedor de v\u00e0lvules de globus<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/globe-valve-sellers.html\">venedors de v\u00e0lvules de globus<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/globe-valve-supplier.html\">prove\u00efdor de v\u00e0lvules de globus<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/globe-valve-suppliers.html\">prove\u00efdors de v\u00e0lvules de globus<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/globe-valve-supply.html\">subministrament de v\u00e0lvules de globus<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/globe-valve-wholesaler.html\">majorista de v\u00e0lvules de globus<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/odm-globe-valve.html\">V\u00e0lvula de globus odm<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/oem-globe-valve.html\">v\u00e0lvula de globus terraq\u00fci<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/wholesale-globe-valve.html\">v\u00e0lvula de globus a l'engr\u00f2s<\/a> <\/div>\n <\/div>\n <div class=\"tab-pane\" id=\"tab-11\" role=\"tabpanel\" aria-labelledby=\"tab-11\">\n <div class=\"_tags-box_13kno_350\"> <a href=\"https:\/\/ca.covna-china.com\/dlp\/3-way-pneumatic-control-valve.html\">V\u00e0lvula de control pneum\u00e0tica de 3 vies<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/best-price-pneumatic-control-valve.html\">V\u00e0lvula de control pneum\u00e0tica de millor preu<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/buy-pneumatic-control-valve.html\">comprar v\u00e0lvula de control pneum\u00e0tica<\/a> 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pneum\u00e0tica<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/high-quality-pneumatic-control-valve.html\">v\u00e0lvula de control pneum\u00e0tica d'alta qualitat<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/hot-sale-pneumatic-control-valve.html\">v\u00e0lvula de control pneum\u00e0tica de venda en calent<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/low-price-pneumatic-control-valve.html\">v\u00e0lvula de control pneum\u00e0tica de baix preu<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/modern-pneumatic-control-valve.html\">moderna v\u00e0lvula de control pneum\u00e0tica<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/odm-pneumatic-control-valve.html\">V\u00e0lvula de control pneum\u00e0tica odm<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/oem-pneumatic-control-valve.html\">v\u00e0lvula de control pneum\u00e0tica oem<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/pneumatic-actuator-valve-control.html\">control de v\u00e0lvules actuadores 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word-wrap: break-word;\n background-color: #fff;\n background-clip: border-box;\n border: 1px solid rgba(0, 0, 0, .125);\n border-radius: .25rem\n }\n\n [digood-page-content] ._card-body_1k55i_245 {\n -ms-flex: 1 1 auto;\n flex: 1 1 auto;\n min-height: 1px;\n padding: 1.25rem\n }\n\n [digood-page-content] ._embed-responsive_1k55i_251 {\n position: relative;\n display: block;\n width: 100%;\n padding: 0;\n overflow: hidden\n }\n\n [digood-page-content] ._embed-responsive_1k55i_251::before {\n display: block;\n content: \"\"\n }\n\n [digood-page-content] ._embed-responsive_1k55i_251 iframe {\n position: absolute;\n top: 0;\n bottom: 0;\n left: 0;\n width: 100%;\n height: 100%;\n border: 0\n }\n\n [digood-page-content] ._embed-responsive-16by9_1k55i_274::before {\n padding-top: 56.25%\n }\n\n [digood-page-content] ._icon-spin_1k55i_777 {\n -webkit-animation: fa-spin 2s infinite linear;\n animation: fa-spin 2s infinite linear\n }\n\n [digood-page-content] ._msg_1k55i_777 {\n display: none\n }\n\n [digood-page-content] ._alert_1k55i_251 {\n position: relative;\n padding: 12px 20px;\n margin: 16px 0;\n border: 1px solid transparent\n }\n\n [digood-page-content] ._alert_1k55i_251 ._icon_1k55i_658 {\n margin: 0 10px\n }\n\n [digood-page-content] ._alert-info_1k55i_251 {\n color: #0c5460;\n background-color: #d1ecf1;\n border-color: #bee5eb\n }\n\n [digood-page-content] ._alert-success_1k55i_251 {\n color: #155724;\n background-color: #d4edda;\n border-color: #c3e6cb\n }\n\n [digood-page-content] ._alert-danger_1k55i_251 {\n color: #721c24;\n background-color: #f8d7da;\n border-color: #f5c6cb\n }\n\n [digood-page-content] ._tns-outer_1k55i_278 {\n padding: 0 !important\n }\n\n [digood-page-content] ._tns-outer_1k55i_278 [hidden] {\n display: none !important\n }\n\n [digood-page-content] ._tns-outer_1k55i_278 [aria-controls],\n [digood-page-content] ._tns-outer_1k55i_278 [data-action] {\n cursor: pointer\n }\n\n [digood-page-content] ._tns-slider_1k55i_291 {\n transition: all 0s\n }\n\n [digood-page-content] ._tns-slider_1k55i_291>._tns-item_1k55i_295 {\n box-sizing: border-box\n }\n\n [digood-page-content] ._tns-horizontal_1k55i_299._tns-subpixel_1k55i_299 {\n white-space: nowrap\n }\n\n [digood-page-content] ._tns-horizontal_1k55i_299._tns-subpixel_1k55i_299>._tns-item_1k55i_295 {\n display: inline-block;\n vertical-align: top;\n white-space: normal\n }\n\n [digood-page-content] ._tns-horizontal_1k55i_299._tns-no-subpixel_1k55i_309:after {\n content: \"\";\n display: table;\n clear: both\n }\n\n [digood-page-content] ._tns-horizontal_1k55i_299._tns-no-subpixel_1k55i_309>._tns-item_1k55i_295 {\n float: left\n }\n\n [digood-page-content] ._tns-horizontal_1k55i_299._tns-carousel_1k55i_319._tns-no-subpixel_1k55i_309>._tns-item_1k55i_295 {\n margin-right: -100%\n }\n\n [digood-page-content] ._tns-no-calc_1k55i_323 {\n position: relative;\n left: 0\n }\n\n [digood-page-content] ._tns-gallery_1k55i_328 {\n position: relative;\n left: 0;\n min-height: 1px\n }\n\n [digood-page-content] ._tns-gallery_1k55i_328>._tns-item_1k55i_295 {\n position: absolute;\n left: -100%;\n transition: transform 0s, opacity 0s\n }\n\n [digood-page-content] ._tns-gallery_1k55i_328>._tns-slide-active_1k55i_340 {\n position: relative;\n left: auto !important\n }\n\n [digood-page-content] ._tns-gallery_1k55i_328>._tns-moving_1k55i_345 {\n transition: all .25s\n }\n\n [digood-page-content] ._tns-autowidth_1k55i_349 {\n display: inline-block\n }\n\n [digood-page-content] ._tns-lazy-img_1k55i_353 {\n transition: opacity .6s;\n opacity: .6\n }\n\n [digood-page-content] ._tns-lazy-img_1k55i_353._tns-complete_1k55i_358 {\n opacity: 1\n }\n\n [digood-page-content] ._tns-ah_1k55i_362 {\n transition: height 0s\n }\n\n [digood-page-content] ._tns-ovh_1k55i_366 {\n overflow: hidden\n }\n\n [digood-page-content] ._tns-visually-hidden_1k55i_370 {\n position: absolute;\n left: -10000em\n }\n\n [digood-page-content] ._tns-transparent_1k55i_375 {\n opacity: 0;\n visibility: hidden\n }\n\n [digood-page-content] ._tns-fadeIn_1k55i_380 {\n opacity: 1;\n z-index: 0\n }\n\n [digood-page-content] ._tns-fadeOut_1k55i_387,\n [digood-page-content] ._tns-normal_1k55i_386 {\n opacity: 0;\n z-index: -1\n }\n\n [digood-page-content] ._tns-vpfix_1k55i_393 {\n white-space: nowrap\n }\n\n [digood-page-content] ._tns-vpfix_1k55i_393>div,\n [digood-page-content] ._tns-vpfix_1k55i_393>li {\n display: inline-block\n }\n\n [digood-page-content] ._tns-t-subp2_1k55i_402 {\n margin: 0 auto;\n width: 310px;\n position: relative;\n height: 10px;\n overflow: hidden\n }\n\n [digood-page-content] ._tns-t-ct_1k55i_410 {\n width: 2333.3333333%;\n width: calc(100% * 70 \/ 3);\n position: absolute;\n right: 0\n }\n\n [digood-page-content] ._tns-t-ct_1k55i_410:after {\n content: \"\";\n display: table;\n clear: both\n }\n\n [digood-page-content] ._tns-t-ct_1k55i_410>div {\n width: 1.4285714%;\n width: calc(100% \/ 70);\n height: 10px;\n float: left\n }\n\n [digood-page-content] li {\n list-style: none\n }\n\n [digood-page-content] li,\n [digood-page-content] ul {\n margin: 0;\n padding: 0\n }\n\n [digood-page-content] a {\n color: inherit;\n text-decoration: none;\n background-color: transparent\n }\n\n [digood-page-content] icon,\n [digood-page-content] svg {\n fill: currentColor;\n height: 1em;\n width: 1em;\n vertical-align: middle\n }\n\n [digood-page-content] ._slider-wrap_1k55i_471 {\n direction: ltr\n }\n\n [digood-page-content] ._slider-wrap_1k55i_471 .tns-nav {\n text-align: center;\n margin: 30px 0 0\n }\n\n [digood-page-content] ._slider-wrap_1k55i_471 .tns-nav>[aria-controls] {\n width: 10px;\n height: 10px;\n padding: 0;\n margin: 0 5px;\n border-radius: 50%;\n background: #ddd;\n border: 0\n }\n\n [digood-page-content] ._slider-wrap_1k55i_471 .tns-nav>.tns-nav-active {\n background: var(--primary)\n }\n\n [digood-page-content] ._section-header_1k55i_494 {\n margin-bottom: 30px\n }\n\n [digood-page-content] ._text_1k55i_509 ul {\n padding: 0;\n margin: 0;\n list-style: none\n }\n\n [digood-page-content] ._text_1k55i_509 ul li {\n list-style: none;\n padding-left: 36px;\n background-image: url(https:\/\/www.covna-china.com\/data:image\/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIyMiIgaGVpZ2h0PSIyMiIgdmlld0JveD0iMCAwIDI0IDI0Ij48cGF0aCBmaWxsPSIjNjY2IiBkPSJNMTIgMkM2LjUgMiAyIDYuNSAyIDEyUzYuNSAyMiAxMiAyMiAyMiAxNy41IDIyIDEyIDE3LjUgMiAxMiAyTTEyIDIwQzcuNTkgMjAgNCAxNi40MSA0IDEyUzcuNTkgNCAxMiA0IDIwIDcuNTkgMjAgMTIgMTYuNDEgMjAgMTIgMjBNMTYuNTkgNy41OEwxMCAxNC4xN0w3LjQxIDExLjU5TDYgMTNMMTAgMTdMMTggOUwxNi41OSA3LjU4WiIgLz48L3N2Zz4=);\n background-position: left center;\n background-repeat: no-repeat;\n margin-bottom: .5rem\n }\n\n [digood-page-content] ._text_1k55i_498 ul {\n list-style: none;\n padding: 0\n }\n\n [digood-page-content] ._text_1k55i_498 ul li {\n padding-left: 50px;\n position: relative;\n font-size: 16px;\n font-weight: 400;\n line-height: 24px;\n color: #565656;\n margin-bottom: 15px\n }\n\n [digood-page-content] ._text_1k55i_498 ul li:before {\n content: '\u2713';\n display: block;\n width: 30px;\n height: 30px;\n line-height: 30px;\n text-align: center;\n background-color: var(--primary);\n color: #fff;\n position: absolute;\n left: 0;\n top: 50%;\n transform: translateY(-50%);\n border-radius: 50%\n }\n\n [digood-page-content] ._section-header_1k55i_494 ._section-subtitle_1k55i_498 {\n color: var(--primary);\n font-size: 14px;\n text-transform: uppercase;\n letter-spacing: .1em;\n font-weight: 700;\n line-height: 1em\n }\n\n [digood-page-content] ._section-header_1k55i_494 ._section-title_1k55i_498 {\n position: relative;\n font-size: 32px;\n padding-left: 15px;\n border-left: 3px solid var(--primary);\n text-transform: capitalize\n }\n\n [digood-page-content] ._section-header_1k55i_494._center_1k55i_505 {\n text-align: center\n }\n\n [digood-page-content] ._section-header_1k55i_494._center_1k55i_505 ._section-title_1k55i_498 {\n padding: 0 0 15px 0;\n border: none\n }\n\n [digood-page-content] ._section-padding_1k55i_514 {\n padding: 90px 0\n }\n\n [digood-page-content] ._section-banner_1k55i_518 {\n padding: 60px 0\n }\n\n [digood-page-content] ._section-banner_1k55i_518 ._col-md-6_1k55i_172 {\n display: -ms-flexbox;\n display: flex;\n -ms-flex-direction: column;\n flex-direction: column;\n -ms-flex-pack: center;\n justify-content: center\n }\n\n [digood-page-content] ._section-banner_1k55i_518 ._banner-content_1k55i_529 {\n padding: 30px 0\n }\n\n [digood-page-content] ._section-banner_1k55i_518 ._banner-content_1k55i_529 h1 {\n margin: 0;\n color: #343434;\n font-size: 24px;\n line-height: 30px;\n font-weight: 600;\n margin-bottom: 30px;\n text-transform: capitalize\n }\n\n [digood-page-content] ._section-banner_1k55i_518 ._banner-content_1k55i_529 p {\n font-size: 16px;\n line-height: 1.6;\n color: #555556\n }\n\n [digood-page-content] ._section-banner_1k55i_518 ._banner-content_1k55i_529 ._btn-action_1k55i_545 {\n width: 183px;\n height: 55px;\n border: 2px solid var(--primary);\n line-height: 51px;\n display: inline-block;\n vertical-align: middle;\n background: var(--primary);\n text-align: center;\n font-size: 12px;\n text-transform: uppercase;\n letter-spacing: .1em;\n color: #fff;\n border-radius: 27.5px;\n font-weight: 700;\n transition: all .4s ease;\n margin-top: 30px\n }\n\n [digood-page-content] ._section-banner_1k55i_518 ._banner-content_1k55i_529 ._btn-action_1k55i_545:hover {\n color: var(--primary);\n background-color: transparent\n }\n\n [digood-page-content] ._section-features_1k55i_648 {\n background-color: #ededed\n }\n\n [digood-page-content] ._section-features_1k55i_648 .feature-item {\n position: relative;\n vertical-align: middle;\n -webkit-transform: perspective(1px) translateZ(0);\n transform: perspective(1px) translateZ(0);\n box-shadow: 0 0 1px transparent;\n position: relative;\n -webkit-transition-property: color;\n transition-property: color;\n -webkit-transition-duration: .5s;\n transition-duration: .5s;\n -webkit-box-shadow: 0 10px 25px rgb(0 0 0 \/ 5%);\n box-shadow: 0 10px 25px rgb(0 0 0 \/ 5%);\n background: #fff;\n display: block;\n text-align: center;\n padding: 60px 30px;\n height: 100%;\n cursor: pointer\n }\n\n [digood-page-content] ._section-features_1k55i_648 .feature-item:before {\n content: \"\";\n position: absolute;\n z-index: -1;\n top: 0;\n left: 0;\n right: 0;\n bottom: 0;\n background: var(--primary);\n -webkit-transform: scaleY(0);\n transform: scaleY(0);\n -webkit-transform-origin: 50% 0;\n transform-origin: 50% 0;\n -webkit-transition-property: transform;\n transition-property: transform;\n -webkit-transition-duration: .5s;\n transition-duration: .5s;\n -webkit-transition-timing-function: ease-out;\n transition-timing-function: ease-out\n }\n\n [digood-page-content] ._section-features_1k55i_648 .slider-features {\n display: flex\n }\n\n [digood-page-content] ._section-features_1k55i_648 .feature-item:hover:before {\n -webkit-transform: scaleY(1);\n transform: scaleY(1);\n -webkit-transition-timing-function: cubic-bezier(.52, 1.64, .37, .66);\n transition-timing-function: cubic-bezier(.52, 1.64, .37, .66)\n }\n\n [digood-page-content] ._section-features_1k55i_648 .feature-item .feature-info._center_1k55i_505 {\n text-align: center\n }\n\n [digood-page-content] ._section-features_1k55i_648 .feature-item .icon-box {\n display: inline-block;\n vertical-align: middle;\n position: relative;\n width: 60px\n }\n\n [digood-page-content] ._section-features_1k55i_648 .feature-item .icon-box:before {\n content: '';\n width: 55px;\n height: 55px;\n background: var(--primary);\n position: absolute;\n top: -15px;\n left: -15px;\n border-radius: 50%;\n opacity: .1;\n -webkit-transition: all .4s ease;\n transition: all .4s ease\n }\n\n [digood-page-content] ._section-features_1k55i_648 .feature-item:hover .icon-box:before {\n opacity: 1;\n background: rgba(255, 255, 255, .1)\n }\n\n [digood-page-content] ._section-features_1k55i_648 .feature-item .feature-title {\n color: #343434;\n font-size: 20px;\n font-weight: 500;\n margin-top: 35px;\n margin-bottom: 30px;\n text-transform: capitalize\n }\n\n [digood-page-content] ._section-features_1k55i_648 .feature-item:hover .feature-text,\n [digood-page-content] ._section-features_1k55i_648 .feature-item:hover .feature-title {\n color: #fff\n }\n\n [digood-page-content] ._section-features_1k55i_648 .feature-item .feature-text {\n font-size: 16px;\n line-height: 30px;\n color: #555556;\n margin: 0\n }\n\n [digood-page-content] ._section-about_1k55i_568 {\n background-color: #f8f9fa\n }\n\n [digood-page-content] ._section-about_1k55i_568 ._row_1k55i_160 {\n align-items: center\n }\n\n [digood-page-content] ._section-product_1k55i_572 ._product-item_1k55i_572 {\n border: none;\n margin-bottom: 30px\n }\n\n [digood-page-content] ._section-product_1k55i_572 ._product-item_1k55i_572 ._card-image_1k55i_577 {\n position: 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 overflow: hidden;\n text-overflow: ellipsis\n }\n\n [digood-page-content] ._section-product_1k55i_572 ._product-item_1k55i_572 ._card-body_1k55i_245 p {\n color: #555556;\n font-size: 14px;\n line-height: 1.4;\n max-height: 4.2em;\n overflow: hidden;\n text-overflow: ellipsis\n }\n\n [digood-page-content] ._section-reviews_1k55i_648 {\n background-color: #f8f9fa\n }\n\n [digood-page-content] ._section-reviews_1k55i_648 .tns-slider {\n display: flex\n }\n\n [digood-page-content] ._section-reviews_1k55i_648 .review-item {\n background: #fff;\n padding: 50px 60px 0;\n height: 100%;\n cursor: pointer;\n position: relative;\n -webkit-transition: all .4s ease;\n transition: all .4s ease;\n -webkit-box-shadow: 0 10px 25px rgb(0 0 0 \/ 5%);\n box-shadow: 0 10px 25px rgb(0 0 0 \/ 5%)\n }\n\n [digood-page-content] ._section-reviews_1k55i_648 .review-item>.icon {\n width: 120px;\n height: 120px;\n position: absolute;\n left: -15px;\n top: -30px;\n color: #0e97ff1 f\n }\n\n [digood-page-content] ._section-reviews_1k55i_648 .review-item>p {\n font-size: 16px;\n color: #555556;\n line-height: 1.6;\n margin: 0;\n position: relative\n }\n\n [digood-page-content] ._section-reviews_1k55i_648 .review-item .name-box {\n margin-top: 30px;\n border-top: 1px solid #fcfcfb;\n padding-top: 30px;\n padding-bottom: 60px;\n display: flex;\n align-items: center\n }\n\n [digood-page-content] ._section-reviews_1k55i_648 .review-item .name-box .name-image {\n width: 40px;\n height: 40px;\n border-radius: 50%;\n overflow: hidden;\n text-align: center\n }\n\n [digood-page-content] ._section-reviews_1k55i_648 .review-item .name-box .name-text {\n margin: 0 10px\n }\n\n [digood-page-content] ._section-reviews_1k55i_648 .review-item .name-box .name-title {\n margin: 0;\n font-size: 16px;\n color: var(--primary);\n font-weight: 600\n }\n\n [digood-page-content] ._section-faq_1k55i_648 ._faq-info_1k55i_761 h5 {\n color: var(--primary);\n font-size: 14px;\n text-transform: uppercase;\n letter-spacing: 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[digood-page-content] #_section-links_1k55i_757 ._tags-tab_13kno_350 .tab-nav .tab-item.active .tab-link {\n color: var(--primary)\n }\n\n [digood-page-content] #_section-links_1k55i_757 ._tags-tab_13kno_350 .tab-nav .tab-item.active {\n border-color: var(--primary)\n }\n\n [digood-page-content] #_section-links_1k55i_757 ._tags-box_13kno_350 a {\n color: #343434\n }\n\n [digood-page-content] #_section-links_1k55i_757 ._tags-box_13kno_350 a:hover {\n color: #343434\n }\n\n [digood-page-content] #_section-links_1k55i_757 p {\n margin-bottom: 0;\n text-align: center\n }\n\n [dir=rtl] [digood-page-content] {\n text-align: right\n }\n\n [dir=rtl] [digood-page-content] ._section-header_1k55i_494 ._section-title_1k55i_498 {\n padding-left: 0;\n padding-right: 15px;\n border-left: none;\n border-right: 3px solid var(--primary);\n text-transform: capitalize\n }\n\n [dir=rtl] [digood-page-content] ._section-header_1k55i_494._center_1k55i_505 ._section-title_1k55i_498 {\n border: none\n }\n\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 -ms-transition: all .4s ease-in-out;\n transition: all .4s ease-in-out\n }\n\n .cd-top .icon {\n width: 36px;\n height: 36px\n }\n\n .cd-top.cd-is-visible {\n visibility: visible;\n opacity: 1\n }\n\n .cd-top.cd-fade-out {\n opacity: .5\n }\n\n .cd-top:hover {\n background-color: #000;\n opacity: 1;\n color: #fff\n }\n\n [dir=rtl] .nav-menu>li:last-child>a {\n padding-left: 0\n }\n\n @media (min-width:576px) {\n .container {\n max-width: 540px\n }\n }\n\n @media (min-width:768px) {\n .container {\n max-width: 720px\n }\n\n .nav-menu {\n display: flex\n }\n }\n\n @media (min-width:992px) {\n .container {\n max-width: 960px\n }\n }\n\n @media (min-width:1200px) {\n .container {\n max-width: 1140px\n }\n }\n <\/style>\n<script type=\"application\/ld+json\">\n {\n \"@context\": \"https:\/\/schema.org\",\n \"@type\": \"Organization\",\n \"url\": \"https:\/\/www.covna-china.com\/dlp\/pneumatic-knife-gate-valve.html\",\n \"logo\": 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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=\"Tornar a l'inici\" 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=\"\/\">Llar<\/a><\/li>\n <li class=\"menu-item\">\n<a class=\"menu-item-link\" href=\"https:\/\/ca.covna-china.com\/page\/about-us.html\">SOBRE<\/a> <\/li>\n <li class=\"menu-item\">\n<a class=\"menu-item-link\" href=\"https:\/\/ca.covna-china.com\/products\/all.html\">PRODUCTES<\/a> <\/li>\n <li class=\"menu-item\">\n<a class=\"menu-item-link\" href=\"https:\/\/ca.covna-china.com\/articles\/all.html\">ARTICLES<\/a> <\/li>\n <li class=\"menu-item\">\n<a class=\"menu-item-link\" href=\"https:\/\/ca.covna-china.com\/page\/contact-us.html\">CONTACTE<\/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\u00e8 \u00e9s una v\u00e0lvula de porta de ganivet pneum\u00e0tica\" 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\u00e8 \u00e9s una v\u00e0lvula de porta de ganivet pneum\u00e0tica<\/h1>\n <\/div>\n <div class=\"_text_1k55i_498\">\n <p>La v\u00e0lvula de porta pneum\u00e0tica de ganivet \u00e9s un nou tipus de v\u00e0lvula de porta de ganivet millorada per Xinhe Valve sobre la base de v\u00e0lvula manual de porta de ganivet per satisfer les condicions especials de treball dels clients. Consta d'un dispositiu pneum\u00e0tic i una v\u00e0lvula de porta de ganivet, que \u00e9s convenient i r\u00e0pida d'obrir.<\/p>\n <\/div> <a href=\"#section-contact\" class=\"_btn-action_1k55i_545 _btn-scroll_1k55i_778\" name=\"btn-section-home\">Obteniu un pressupost<\/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\">Trets<\/h5>\n <h2 class=\"_section-title_1k55i_498\">Per qu\u00e8 escollir 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=\"Artesania exquisida\" class=\"_img-fluid_1k55i_123\">\n<\/div>\n <h3 class=\"feature-title\">Artesania exquisida<\/h3>\n <p class=\"feature-text\">Seguiu l'esperit de l'enginy mecanitzat CNC de precisi\u00f3 20 anys d'orientaci\u00f3 d'enginyer t\u00e8cnic<\/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=\"Innovaci\u00f3 tecnol\u00f2gica\" class=\"_img-fluid_1k55i_123\">\n<\/div>\n <h3 class=\"feature-title\">Innovaci\u00f3 tecnol\u00f2gica<\/h3>\n <p class=\"feature-text\">Fundaci\u00f3 d'alta tecnologia Insistir en la innovaci\u00f3 i el desenvolupament Equip de talent t\u00e8cnic s\u00e8nior<\/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=\"Costums especials\" class=\"_img-fluid_1k55i_123\">\n<\/div>\n <h3 class=\"feature-title\">Costums especials<\/h3>\n <p class=\"feature-text\">Parell fins a 4678nm Selecci\u00f3 de guia t\u00e8cnica s\u00e8nior Personalitzaci\u00f3 especial segons necessitats del 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=\"Qualitat consistent\" class=\"_img-fluid_1k55i_123\">\n<\/div>\n <h3 class=\"feature-title\">Qualitat consistent<\/h3>\n <p class=\"feature-text\">Certificaci\u00f3 internacional ISO9001 Adherir-se a processos de producci\u00f3 estandarditzats Assaig de durabilitat d'1 mili\u00f3 de cicles<\/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=\"sobre 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\">Tenim les millors solucions per al teu negoci<\/h2>\n <\/div>\n <div class=\"_text_1k55i_498\">\n <p>COVNA Industrial Automation Co, Ltd es va establir el 2000, un especialista en v\u00e0lvules automatitzades. Amb seu a Dongguan, Xina, amb 3 bases de producci\u00f3 situades a Ningbo, Wenzhou i Dongguan.<\/p>\n <p>Proporcionem v\u00e0lvula el\u00e8ctrica, v\u00e0lvula solenoide, v\u00e0lvula pneum\u00e0tica, v\u00e0lvula de porta el\u00e8ctrica, v\u00e0lvula de papallona el\u00e8ctrica, v\u00e0lvula de control pneum\u00e0tica, v\u00e0lvula motoritzada, v\u00e0lvula de porta de ganivet pneum\u00e0tica, v\u00e0lvula de control pneum\u00e0tica, v\u00e0lvula accionada pneum\u00e0tica, v\u00e0lvula accionada motoritzada, v\u00e0lvula de bola el\u00e8ctrica, v\u00e0lvula de bola, v\u00e0lvula de porta, v\u00e0lvula de porta, v\u00e0lvula de papallona, v\u00e0lvula de globus, etc., Podeu navegar per productes relacionats i iniciar consultes al nostre lloc web.<\/p>\n <\/div> <a href=\"https:\/\/ca.covna-china.com\/page\/about-us.html\" class=\"btn _btn-more_1k55i_706\" name=\"btn-section-about\">Llegir M\u00e9s<\/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\">V\u00e0lvula de porta pneum\u00e0tica de ganivet d'alta qualitat<\/h2>\n <p>La v\u00e0lvula de la porta del ganivet pneum\u00e0tic \u00e9s accionada per un dispositiu pneum\u00e0tic, que compensa els problemes d'obertura manual i el disseny \u00e9s m\u00e9s humanitzat i intel\u00b7ligent. S'utilitza \u00e0mpliament en la mineria del carb\u00f3, la fabricaci\u00f3 de paper, la metal\u00b7l\u00fargia, el tractament d'aig\u00fces residuals, l'administraci\u00f3 municipal, l'energia el\u00e8ctrica, l'alimentaci\u00f3 i altres ind\u00fastries.<\/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\">Productes destacats<\/h5>\n <h2 class=\"_section-title_1k55i_498\">Col\u00b7lecci\u00f3 sobre 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=\"V\u00e0lvula de porta el\u00e8ctrica multi torn a prova d'explosi\u00f3\"> <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=\"V\u00e0lvula de porta el\u00e8ctrica multi torn a prova d'explosi\u00f3\" class=\"_img-fluid_1k55i_123\"><h4>Veure detalls<\/h4>\n <\/a> <\/div>\n <div class=\"_card-body_1k55i_245\">\n <h4> <a href=\"\/product\/explosion-proof-multi-turn-electric-gate-valve.html\">V\u00e0lvula de porta el\u00e8ctrica multi torn a prova d'explosi\u00f3<\/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 Ganivet Porta V\u00e0lvula Actuador El\u00e8ctric multi-torn\"> <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 Ganivet Porta V\u00e0lvula Actuador El\u00e8ctric multi-torn\" class=\"_img-fluid_1k55i_123\"><h4>Veure detalls<\/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 Ganivet Porta V\u00e0lvula Actuador El\u00e8ctric multi-torn<\/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 Cilindre pneum\u00e0tic V\u00e0lvula de porta de ganivet lineal de cilindre lineal\"> <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 Cilindre pneum\u00e0tic V\u00e0lvula de porta de ganivet lineal de cilindre lineal\" class=\"_img-fluid_1k55i_123\"><h4>Veure detalls<\/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 Cilindre pneum\u00e0tic V\u00e0lvula de porta de ganivet lineal de cilindre lineal<\/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 V\u00e0lvula de porta de ganivet accionada el\u00e8ctrica de ferro colat\"> <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 V\u00e0lvula de porta de ganivet accionada el\u00e8ctrica de ferro colat\" class=\"_img-fluid_1k55i_123\"><h4>Veure detalls<\/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 V\u00e0lvula de porta de ganivet accionada el\u00e8ctrica de ferro colat<\/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 V\u00e0lvula de porta de ganivet pneum\u00e0tica d'acer colat\"> <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 V\u00e0lvula de porta de ganivet pneum\u00e0tica d'acer colat\" class=\"_img-fluid_1k55i_123\"><h4>Veure detalls<\/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 V\u00e0lvula de porta de ganivet pneum\u00e0tica d'acer colat<\/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 Cilindre pneum\u00e0tic V\u00e0lvula de porta de ganivet lineal de cilindre lineal\"> <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 Cilindre pneum\u00e0tic V\u00e0lvula de porta de ganivet lineal de cilindre lineal\" class=\"_img-fluid_1k55i_123\"><h4>Veure detalls<\/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 Cilindre pneum\u00e0tic V\u00e0lvula de porta de ganivet lineal de cilindre lineal<\/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 V\u00e0lvula de porta de ganivet pneum\u00e0tica d'acer colat\"> <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 V\u00e0lvula de porta de ganivet pneum\u00e0tica d'acer colat\" class=\"_img-fluid_1k55i_123\"><h4>Veure detalls<\/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 V\u00e0lvula de porta de ganivet pneum\u00e0tica d'acer colat<\/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 Cilindre pneum\u00e0tic V\u00e0lvula de porta de ganivet lineal de cilindre lineal\"> <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 Cilindre pneum\u00e0tic V\u00e0lvula de porta de ganivet lineal de cilindre lineal\" class=\"_img-fluid_1k55i_123\"><h4>Veure detalls<\/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 Cilindre pneum\u00e0tic V\u00e0lvula de porta de ganivet lineal de cilindre lineal<\/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:\/\/ca.covna-china.com\/products\/all.html\" class=\"btn _btn-more_1k55i_706\" name=\"btn-section-products\">Veure M\u00e9s<\/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\">Opinions dels usuaris<\/h5>\n <h2 class=\"_section-title_1k55i_498\">Qu\u00e8 diuen els usuaris sobre 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 m\u00e0 d'obra est\u00e0 al seu lloc i la qualitat \u00e9s molt bona d'un cop d'ull.<\/p>\n <div class=\"name-box\">\n <div class=\"name-text\">\n <h5 class=\"name-title\">Lle\u00f3<\/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 habituals, la col\u00b7laboraci\u00f3 ha estat molt feli\u00e7!<\/p>\n <div class=\"name-box\">\n <div class=\"name-text\">\n <h5 class=\"name-title\">Mons<\/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 m\u00e0 d'obra est\u00e0 b\u00e9, la mida \u00e9s la correcta, el disseny est\u00e0 al seu lloc i el servei \u00e9s atent i atent.<\/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\">Preguntes freq\u00fcents<\/h5>\n <h2 class=\"_section-title_1k55i_498\">Tens alguna pregunta?<\/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\">Quines s\u00f3n les caracter\u00edstiques de la v\u00e0lvula pneum\u00e0tica de porta de ganivet?<\/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\">El manteniment \u00e9s convenient i es pot substituir el segellat de la v\u00e0lvula sense treure la v\u00e0lvula. La temperatura s'utilitza generalment per sota de 120 \u00b0 C, l'alta temperatura tamb\u00e9 es pot substituir per materials especials.<\/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\">Quina difer\u00e8ncia hi ha entre la v\u00e0lvula de la porta del ganivet i la v\u00e0lvula de porta ordin\u00e0ria?<\/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\">En comparaci\u00f3 amb les v\u00e0lvules de porta ordin\u00e0ries, les v\u00e0lvules de porta de ganivet s\u00f3n d'estructura senzilla, de mida petita, flexibles en funcionament, f\u00e0cils d'instal\u00b7lar i adequades per a mitjans amb major consist\u00e8ncia i part\u00edcules s\u00f2lides. El disseny de la v\u00e0lvula de porta de ganivet de di\u00e0metre complet permet utilitzar la v\u00e0lvula en condicions brutes, i el seient i l'embalatge reempla\u00e7ables fan que la v\u00e0lvula sigui f\u00e0cil de mantenir.<\/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\">Quina \u00e9s la funci\u00f3 de la v\u00e0lvula de la porta del ganivet?<\/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\">V\u00e0lvula de porta de ganivet, tamb\u00e9 coneguda com a v\u00e0lvula de porta de ganivet, v\u00e0lvula de porta de ganivet, v\u00e0lvula de pur\u00ed, v\u00e0lvula de fang, la seva part d'obertura i tancament \u00e9s una porta, la direcci\u00f3 de moviment de la porta \u00e9s perpendicular a la direcci\u00f3 del fluid i es talla per una porta en forma de fulla que pot tallar materials de fibra. Mitjana, la porta t\u00e9 dues superf\u00edcies de segellat. Les dues superf\u00edcies de segellat de la v\u00e0lvula de porta de mode m\u00e9s utilitzada formen una falca. L'angle de falca varia segons els par\u00e0metres de la v\u00e0lvula, normalment 50. La porta de la v\u00e0lvula de la porta del ganivet de falca es pot convertir en un tot , S'anomena porta r\u00edgida; tamb\u00e9 es pot convertir en una porta que pot produir una lleugera deformaci\u00f3 per millorar la seva fabricabilitat i compensar la desviaci\u00f3 de l'angle de superf\u00edcie de segellat en el proc\u00e9s de processament. Aquest tipus de porta s'anomena porta el\u00e0stica. No hi ha cavitat al cos de la v\u00e0lvula. La porta s'eleva i baixa a la ranura de la guia lateral, i es pressiona contra el seient de la v\u00e0lvula per les lugs de la part inferior. Si necessiteu aconseguir una estanquitat mitjana m\u00e9s alta, podeu triar un seient de v\u00e0lvula de segellat en forma d'O per aconseguir un segellat bidireccional. La v\u00e0lvula de porta de ganivet t\u00e9 un petit espai d'instal\u00b7laci\u00f3, baixa pressi\u00f3 de treball, no \u00e9s f\u00e0cil acumular deixalles i el preu \u00e9s baix.<\/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\">Les nostres actualitzacions i publicacions al 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=\"| pneum\u00e0tic-ganivet-porta-v\u00e0lvula On s'aplica la v\u00e0lvula de papallona\"> <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=\"| pneum\u00e0tic-ganivet-porta-v\u00e0lvula On s'aplica la v\u00e0lvula de papallona\" class=\"_img-fluid_1k55i_123\"><div class=\"_date-time_1k55i_714\">23 de desembre<\/div>\n <\/a> <\/div>\n <div class=\"_card-body_1k55i_245\">\n <h4> <a href=\"\/article\/where-the-butterfly-valve-is-applicable.html\">| pneum\u00e0tic-ganivet-porta-v\u00e0lvula On s'aplica la v\u00e0lvula de papallona<\/a> <\/h4>\n <p>{keyword},Les v\u00e0lvules de papallona s\u00f3n adequades per a la regulaci\u00f3 del flux. Com que la p\u00e8rdua de pressi\u00f3 de la v\u00e0lvula de papallona a la canonada \u00e9s relativament gran, \u00e9s aproximadament tres vegades la de la v\u00e0lvula de la porta.<\/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=\"| pneum\u00e0tic-ganivet-porta-v\u00e0lvula Com triar la v\u00e0lvula de papallona el\u00e8ctrica\"> <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=\"| pneum\u00e0tic-ganivet-porta-v\u00e0lvula Com triar la v\u00e0lvula de papallona el\u00e8ctrica\" class=\"_img-fluid_1k55i_123\"><div class=\"_date-time_1k55i_714\">23 de desembre<\/div>\n <\/a> <\/div>\n <div class=\"_card-body_1k55i_245\">\n <h4> <a href=\"\/article\/how-to-choose-electric-butterfly-valve.html\">| pneum\u00e0tic-ganivet-porta-v\u00e0lvula Com triar la v\u00e0lvula de papallona el\u00e8ctrica<\/a> <\/h4>\n <p>{paraula clau}. El disc de la v\u00e0lvula de papallona \u00e9s que el disc t\u00e9 un eix que gira sobre la posici\u00f3 del seient de la v\u00e0lvula. L'angle de rotaci\u00f3 determina el grau d'obertura i tancament de la v\u00e0lvula.<\/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=\"| pneum\u00e0tic-ganivet-porta-v\u00e0lvula Moviment de la v\u00e0lvula de la porta\"> <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=\"| pneum\u00e0tic-ganivet-porta-v\u00e0lvula Moviment de la v\u00e0lvula de la porta\" class=\"_img-fluid_1k55i_123\"><div class=\"_date-time_1k55i_714\">08 gener<\/div>\n <\/a> <\/div>\n <div class=\"_card-body_1k55i_245\">\n <h4> <a href=\"\/article\/gate-valve-movement.html\">| pneum\u00e0tic-ganivet-porta-v\u00e0lvula Moviment de la v\u00e0lvula de la porta<\/a> <\/h4>\n <p>{keyword},La majoria de les v\u00e0lvules de la porta estan segellades per la for\u00e7a, \u00e9s a dir, quan la v\u00e0lvula est\u00e0 tancada, la porta s'ha de for\u00e7ar contra el seient de la v\u00e0lvula per for\u00e7a externa per garantir l'estanquitat de la superf\u00edcie de segellat.<\/p>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <div class=\"text-center\"> <a href=\"https:\/\/ca.covna-china.com\/articles\/all.html\" class=\"btn _btn-more_1k55i_706\" name=\"btn-section-news\">Llegir M\u00e9s<\/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>Contacta amb nosaltres<\/h5>\n <h2 class=\"_section-title_1k55i_498\">Tens alguna pregunta? 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href=\"https:\/\/ca.covna-china.com\/dlp\/pneumatic-knife-gate-valve-factory.html\">f\u00e0brica de v\u00e0lvules de porta de ganivets pneum\u00e0tics<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/pneumatic-knife-gate-valve-manufacturer.html\">fabricant de v\u00e0lvules de porta de ganivet pneum\u00e0tic<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/pneumatic-knife-gate-valve-manufacturers.html\">fabricants de v\u00e0lvules de porta de ganivets pneum\u00e0tics<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/pneumatic-knife-gate-valve-production.html\">producci\u00f3 de v\u00e0lvules de porta de ganivet pneum\u00e0tic<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/pneumatic-knife-gate-valve-seller.html\">venedor de v\u00e0lvules de porta de ganivet pneum\u00e0tic<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/pneumatic-knife-gate-valve-sellers.html\">venedors de v\u00e0lvules de porta de ganivets pneum\u00e0tics<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/pneumatic-knife-gate-valve-supplier.html\">prove\u00efdor de v\u00e0lvules de porta de ganivet pneum\u00e0tic<\/a> <\/div>\n <\/div>\n <div class=\"tab-pane\" id=\"tab-7\" role=\"tabpanel\" aria-labelledby=\"tab-7\">\n <div class=\"_tags-box_13kno_350\"> <a href=\"https:\/\/ca.covna-china.com\/dlp\/ball-valve-agencies.html\">ag\u00e8ncies de v\u00e0lvules de bola<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/ball-valve-agency.html\">ag\u00e8ncia de v\u00e0lvules de bola<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/ball-valve-brand.html\">marca de v\u00e0lvules de bola<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/ball-valve-company.html\">empresa de v\u00e0lvules de bola<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/ball-valve-factories.html\">f\u00e0briques de v\u00e0lvules de bola<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/ball-valve-factory.html\">f\u00e0brica de v\u00e0lvules de bola<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/ball-valve-for-sale.html\">v\u00e0lvula de bola per a la venda<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/ball-valve-in-china.html\">v\u00e0lvula de bola a la Xina<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/ball-valve-manufacturer.html\">fabricant de v\u00e0lvules de bola<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/ball-valve-manufacturers.html\">fabricants de v\u00e0lvules de bola<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/ball-valve-seller.html\">venedor de v\u00e0lvules de boles<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/ball-valve-sellers.html\">venedors de v\u00e0lvules de boles<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/ball-valve-supplier.html\">prove\u00efdor de v\u00e0lvules de bola<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/ball-valve-suppliers.html\">prove\u00efdors de v\u00e0lvules de bola<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/ball-valve-wholesaler.html\">majorista de v\u00e0lvules de bola<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/china-ball-valve.html\">v\u00e0lvula de bola xinesa<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/custom-ball-valve.html\">v\u00e0lvula de bola personalitzada<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/custom-made-ball-valve.html\">v\u00e0lvula de bola feta a mida<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/odm-ball-valve.html\">V\u00e0lvula de bola odm<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/oem-ball-valve.html\">v\u00e0lvula de bola d'oem<\/a> <\/div>\n <\/div>\n <div class=\"tab-pane\" id=\"tab-8\" role=\"tabpanel\" aria-labelledby=\"tab-8\">\n <div class=\"_tags-box_13kno_350\"> <a href=\"https:\/\/ca.covna-china.com\/dlp\/best-gate-valve.html\">millor v\u00e0lvula de porta<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/china-gate-valve.html\">v\u00e0lvula de la porta de la Xina<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/custom-gate-valve.html\">v\u00e0lvula de porta 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href=\"https:\/\/ca.covna-china.com\/dlp\/gate-valve-supplier.html\">prove\u00efdor de v\u00e0lvules de porta<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/gate-valve-suppliers.html\">prove\u00efdors de v\u00e0lvules de porta<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/gate-valve-wholesaler.html\">majorista de v\u00e0lvules de porta<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/globe-valve-vs-gate-valve.html\">v\u00e0lvula de globus vs v\u00e0lvula de porta<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/high-quality-gate-valve.html\">v\u00e0lvula de porta d'alta qualitat<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/odm-gate-valve.html\">V\u00e0lvula de porta odm<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/oem-gate-valve.html\">v\u00e0lvula de porta d'oem<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/wholesale-gate-valve.html\">v\u00e0lvula de porta a l'engr\u00f2s<\/a> <\/div>\n <\/div>\n <div class=\"tab-pane\" id=\"tab-9\" role=\"tabpanel\" aria-labelledby=\"tab-9\">\n <div class=\"_tags-box_13kno_350\"> <a href=\"https:\/\/ca.covna-china.com\/dlp\/butterfly-valve-actuator.html\">actuador de v\u00e0lvula de papallona<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/butterfly-valve-agencies.html\">ag\u00e8ncies de v\u00e0lvules de papallona<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/butterfly-valve-company.html\">companyia de v\u00e0lvules de papallona<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/butterfly-valve-cost.html\">cost de la v\u00e0lvula de papallona<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/butterfly-valve-exporter.html\">exportador de v\u00e0lvules de papallona<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/butterfly-valve-exporters.html\">exportadors de v\u00e0lvules de papallona<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/butterfly-valve-factory.html\">f\u00e0brica de v\u00e0lvules de papallona<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/butterfly-valve-in-china.html\">v\u00e0lvula de papallona a la Xina<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/butterfly-valve-manufacturer.html\">fabricant de v\u00e0lvules de papallona<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/butterfly-valve-manufacturers.html\">fabricants de v\u00e0lvules de papallona<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/butterfly-valve-seller.html\">venedor de v\u00e0lvules de papallona<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/butterfly-valve-sellers.html\">venedors de v\u00e0lvules de papallona<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/butterfly-valve-supplier.html\">prove\u00efdor de v\u00e0lvules de papallona<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/butterfly-valve-suppliers.html\">prove\u00efdors de v\u00e0lvules de papallona<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/butterfly-valve-wholesaler.html\">majorista de v\u00e0lvules de papallona<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/butterfly-valve-with-actuator.html\">v\u00e0lvula de papallona amb actuador<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/cheap-butterfly-valve.html\">v\u00e0lvula de papallona barata<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/china-butterfly-valve.html\">v\u00e0lvula de papallona de la Xina<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/custom-butterfly-valve.html\">v\u00e0lvula de papallona personalitzada<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/custom-made-butterfly-valve.html\">v\u00e0lvula de papallona a mida<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/customized-butterfly-valve.html\">v\u00e0lvula de papallona personalitzada<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/odm-butterfly-valve.html\">V\u00e0lvula de papallona odm<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/oem-butterfly-valve.html\">v\u00e0lvula de papallona oem<\/a> <\/div>\n <\/div>\n <div class=\"tab-pane\" id=\"tab-10\" role=\"tabpanel\" aria-labelledby=\"tab-10\">\n <div class=\"_tags-box_13kno_350\"> <a href=\"https:\/\/ca.covna-china.com\/dlp\/best-globe-valve.html\">millor v\u00e0lvula de globus<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/custom-made-globe-valve.html\">v\u00e0lvula de globus a mida<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/globe-valve-agencies.html\">ag\u00e8ncies de v\u00e0lvules de globus<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/globe-valve-agency.html\">ag\u00e8ncia de v\u00e0lvules de globus<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/globe-valve-company.html\">empresa de v\u00e0lvules de globus<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/globe-valve-factories.html\">f\u00e0briques de v\u00e0lvules de globus<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/globe-valve-factory.html\">f\u00e0brica de v\u00e0lvules de globus<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/globe-valve-in-china.html\">v\u00e0lvula de globus a la Xina<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/globe-valve-manufacturer.html\">fabricant de v\u00e0lvules de globus<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/globe-valve-manufacturers.html\">fabricants de v\u00e0lvules de globus<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/globe-valve-production.html\">producci\u00f3 de v\u00e0lvules de globus<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/globe-valve-seller.html\">venedor de v\u00e0lvules de globus<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/globe-valve-sellers.html\">venedors de v\u00e0lvules de globus<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/globe-valve-supplier.html\">prove\u00efdor de v\u00e0lvules de globus<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/globe-valve-suppliers.html\">prove\u00efdors de v\u00e0lvules de globus<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/globe-valve-supply.html\">subministrament de v\u00e0lvules de globus<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/globe-valve-wholesaler.html\">majorista de v\u00e0lvules de globus<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/odm-globe-valve.html\">V\u00e0lvula de globus odm<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/oem-globe-valve.html\">v\u00e0lvula de globus terraq\u00fci<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/wholesale-globe-valve.html\">v\u00e0lvula de globus a l'engr\u00f2s<\/a> <\/div>\n <\/div>\n <div class=\"tab-pane\" id=\"tab-11\" role=\"tabpanel\" aria-labelledby=\"tab-11\">\n <div class=\"_tags-box_13kno_350\"> <a href=\"https:\/\/ca.covna-china.com\/dlp\/3-way-pneumatic-control-valve.html\">V\u00e0lvula de control pneum\u00e0tica de 3 vies<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/best-price-pneumatic-control-valve.html\">V\u00e0lvula de control pneum\u00e0tica de millor preu<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/buy-pneumatic-control-valve.html\">comprar v\u00e0lvula de control pneum\u00e0tica<\/a> 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pneum\u00e0tica<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/high-quality-pneumatic-control-valve.html\">v\u00e0lvula de control pneum\u00e0tica d'alta qualitat<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/hot-sale-pneumatic-control-valve.html\">v\u00e0lvula de control pneum\u00e0tica de venda en calent<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/low-price-pneumatic-control-valve.html\">v\u00e0lvula de control pneum\u00e0tica de baix preu<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/modern-pneumatic-control-valve.html\">moderna v\u00e0lvula de control pneum\u00e0tica<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/odm-pneumatic-control-valve.html\">V\u00e0lvula de control pneum\u00e0tica odm<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/oem-pneumatic-control-valve.html\">v\u00e0lvula de control pneum\u00e0tica oem<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/pneumatic-actuator-valve-control.html\">control de v\u00e0lvules actuadores 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