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capitalize\n }\n\n .breadcrumb_nav_list li a:hover {\n color: var(--main-theme-color)\n }\n\n .breadcrumb_nav_list li i {\n margin-right: 4px\n }\n\n .breadcrumb_h1_box {\n background-color: #e5e5e5;\n text-align: center;\n height: 100%;\n width: 100%\n }\n\n .breadcrumb_h1_box h1 {\n font-size: 36px;\n font-family: Arial;\n font-weight: 700;\n color: #fff;\n width: 100%\n }\n\n .language-select .dropdown-menu {\n min-width: 170px;\n height: 600px;\n overflow: auto\n }\n\n .language-select i {\n vertical-align: middle\n }\n\n .has_box .sub_box .sub_item span {\n display: inline-block;\n max-width: 60%;\n vertical-align: middle\n }\n\n [lang=ca] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=de] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=el] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=es] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=et] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=fr] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=it] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=ms] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=pl] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=pt] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=ro] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=sk] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=sv] .main-nav nav .navbar-nav .nav-item .dropdown-menu {\n max-width: 290px\n }\n\n [lang=ca] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=de] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=el] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=es] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=et] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=fr] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=it] .main-nav nav .navbar-nav .nav-item 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14px\n }\n\n [lang=uk] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=vi] .main-nav nav .navbar-nav .nav-item .dropdown-menu {\n max-width: 310px\n }\n\n [lang=uk] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=vi] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box {\n max-width: 100%\n }\n\n [lang=hu] .main-nav nav .navbar-nav>.nav-item,\n [lang=iw] .main-nav nav .navbar-nav>.nav-item {\n margin-left: 20px;\n margin-right: 20px\n }\n\n [lang=el] .main-nav nav .navbar-nav>.nav-item {\n margin-left: 10px;\n margin-right: 10px\n }\n\n [lang=fi] .main-nav nav .navbar-nav>.nav-item {\n margin-left: 16px;\n margin-right: 16px\n }\n\n [lang=fi] .main-nav nav .navbar-nav .nav-item.has_box .sub_box .sub_item a {\n font-size: 15px\n }\n\n [lang=pl] .features .welcome_desc p {\n font-size: 24px\n }\n\n @media only screen and (max-width:1199px) {\n .topbar {\n border-bottom: none\n }\n }\n\n @media only screen and (max-width:767px) {\n .language-select .dropdown-menu {\n left: 0;\n right: auto;\n height: 70vh\n }\n\n .newsletter-content .default-section-heading h3 {\n font-size: 28px;\n line-height: 32px;\n padding-bottom: 18px\n }\n }\n <\/style>\n<script async src=\"https:\/\/www.googletagmanager.com\/gtag\/js?id=G-5WHCGWBZF2\"><\/script><script defer>\n function gtag() {\n dataLayer.push(arguments)\n }\n window.dataLayer = window.dataLayer || [], gtag(\"js\", new Date), gtag(\"config\", \"G-5WHCGWBZF2\"), gtag(\"config\", \"AW-10818223058\")\n <\/script><script defer>\n function gtag_report_conversion_1(n) {\n return gtag(\"event\", \"conversion\", {\n send_to: \"AW-10818223058\/VD_JCK_UqIcDENL3w6Yo\",\n event_callback: function() {\n void 0 !== n && (window.location = n)\n }\n }), !1\n }\n <\/script>\n<\/head>\n<body>\n <div class=\"topbar inside_pages_site\">\n <div class=\"w1200\">\n <div class=\"topbar-content\">\n <div class=\"row align-items-center\">\n <div class=\"col-xl-9 col-md-6 col-sm-12 col-12\">\n <div 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<\/ul>\n<\/div>\n <h4> <a href=\"https:\/\/fa.covna-china.com\/article\/features-of-knife-gate-valve.html\" title=\"\u0648\u06cc\u0698\u06af\u06cc \u0647\u0627\u06cc \u0634\u06cc\u0631 \u062f\u0631\u0648\u0627\u0632\u0647 \u0686\u0627\u0642\u0648\">\u0648\u06cc\u0698\u06af\u06cc \u0647\u0627\u06cc \u0634\u06cc\u0631 \u062f\u0631\u0648\u0627\u0632\u0647 \u0686\u0627\u0642\u0648<\/a> <\/h4>\n <p>\u0634\u06cc\u0631 \u062f\u0631\u0648\u0627\u0632\u0647 \u0686\u0627\u0642\u0648 \u0646\u06cc\u0632 \u0634\u06cc\u0631 \u062f\u0631\u0648\u0627\u0632\u0647 \u0686\u0627\u0642\u0648\u060c \u062f\u0631\u06cc\u0686\u0647 \u062f\u0631\u0648\u0627\u0632\u0647 \u0686\u0627\u0642\u0648\u060c \u0634\u06cc\u0631 \u062f\u0648\u063a\u0627\u0628 \u0648 \u0634\u06cc\u0631 \u06af\u0644\u06cc \u0646\u0627\u0645\u06cc\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f. \u0642\u0633\u0645\u062a \u0647\u0627\u06cc \u0628\u0627\u0632 \u0648 \u0628\u0633\u062a\u0647 \u0634\u062f\u0646 \u0622\u0646 \u0635\u0641\u062d\u0627\u062a \u06af\u06cc\u062a \u0647\u0633\u062a\u0646\u062f. \u062c\u0647\u062a \u062d\u0631\u06a9\u062a \u0635\u0641\u062d\u0647 \u06af\u06cc\u062a \u0639\u0645\u0648\u062f \u0628\u0631 \u062c\u0647\u062a \u0633\u06cc\u0627\u0644 \u0627\u0633\u062a. \u0645\u062d\u06cc\u0637 \u062a\u0648\u0633\u0637 \u06cc\u06a9 \u062f\u0631\u0648\u0627\u0632\u0647 \u0644\u0628\u0647 \u0686\u0627\u0642\u0648 \u0642\u0637\u0639 \u0645\u06cc \u0634\u0648\u062f \u06a9\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0645\u0648\u0627\u062f \u0641\u06cc\u0628\u0631\u06cc \u0631\u0627 \u0642\u0637\u0639 \u06a9\u0646\u062f. \u0635\u0641\u062d\u0647 \u062f\u0631\u0648\u0627\u0632\u0647 \u062f\u0627\u0631\u0627\u06cc \u062f\u0648 \u0633\u0637\u062d \u0622\u0628 \u0628\u0646\u062f\u06cc \u0627\u0633\u062a. \u062f\u0648 \u0633\u0637\u062d \u0622\u0628 \u0628\u0646\u062f\u06cc \u0631\u0627\u06cc\u062c \u062a\u0631\u06cc\u0646 \u062d\u0627\u0644\u062a \u062f\u0631\u06cc\u0686\u0647 \u062f\u0631\u0648\u0627\u0632\u0647 \u0641\u0631\u0645 w<\/p> <a class=\"read-more-btn\" href=\"https:\/\/fa.covna-china.com\/article\/features-of-knife-gate-valve.html\">\u0627\u062f\u0627\u0645\u0647 >><\/a>\n <\/div>\n <\/div>\n <div class=\"blog-card col-lg-4 col-md-6 col-12 wow fadeInUp\"> <a href=\"https:\/\/fa.covna-china.com\/article\/what-is-electric-control-valve.html\" title=\"\u0634\u06cc\u0631 \u06a9\u0646\u062a\u0631\u0644 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc \u0686\u06cc\u0647\u061f\"> <img class=\"lazy\" alt=\"\u0634\u06cc\u0631 \u06a9\u0646\u062a\u0631\u0644 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc \u0686\u06cc\u0647\u061f\" src=\"\/\/v4-assets.goalsites.com\/yexuming\/icon\/loading1.gif\" data-original=\"\/\/v4-upload.goalsites.com\/728\/image_1629961935_logo.jpg?imageView2\/1\/w\/376\/h\/251\/format\/webp\" width=\"376\" height=\"251\"><\/a>\n <div class=\"blog-text\">\n <div class=\"blog-date\">\n <ul>\n<li> <i class=\"far fa-calendar-alt\"><\/i> <span>\u0627\u06a9\u062a\u0628\u0631 24, 2022<\/span>\n<\/li>\n <\/ul>\n<\/div>\n <h4> <a href=\"https:\/\/fa.covna-china.com\/article\/what-is-electric-control-valve.html\" title=\"\u0634\u06cc\u0631 \u06a9\u0646\u062a\u0631\u0644 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc \u0686\u06cc\u0647\u061f\">\u0634\u06cc\u0631 \u06a9\u0646\u062a\u0631\u0644 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc \u0686\u06cc\u0647\u061f<\/a> <\/h4>\n <p>\u0634\u06cc\u0631 \u06a9\u0646\u062a\u0631\u0644 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc \u06cc\u06a9 \u062f\u0631\u06cc\u0686\u0647 \u0647\u06cc\u062f\u0631\u0648\u0644\u06cc\u06a9\u06cc \u0639\u0645\u0644 \u0634\u062f\u0647 \u0628\u0627 \u062f\u0631\u06cc\u0686\u0647 \u0633\u0644\u0646\u0648\u0626\u06cc\u062f \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u062f\u0631\u06cc\u0686\u0647 \u0631\u0627\u0647\u0646\u0645\u0627 \u0627\u0633\u062a. \u0627\u063a\u0644\u0628 \u0628\u0631\u0627\u06cc \u06a9\u0646\u062a\u0631\u0644 \u062e\u0648\u062f\u06a9\u0627\u0631 \u062f\u0631 \u0622\u0628 \u0631\u0633\u0627\u0646\u06cc \u0648 \u0632\u0647\u06a9\u0634\u06cc \u0648 \u0633\u06cc\u0633\u062a\u0645 \u0647\u0627\u06cc \u0635\u0646\u0639\u062a\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f. \u067e\u0627\u0633\u062e \u06a9\u0646\u062a\u0631\u0644 \u062f\u0642\u06cc\u0642 \u0648 \u0633\u0631\u06cc\u0639 \u0627\u0633\u062a \u0648 \u0633\u06cc\u0633\u062a\u0645 \u062e\u0637 \u0644\u0648\u0644\u0647 \u0627\u0632 \u0631\u0627\u0647 \u062f\u0648\u0631 \u0628\u0627 \u062a\u0648\u062c\u0647 \u0628\u0647 \u0633\u06cc\u06af\u0646\u0627\u0644 \u0647\u0627\u06cc \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc \u0628\u0627\u0632 \u0648 \u0628\u0633\u062a\u0647 \u0645\u06cc \u0634\u0648\u062f \u062a\u0627 \u0639\u0645\u0644\u06cc\u0627\u062a \u0627\u0632 \u0631\u0627\u0647 \u062f\u0648\u0631 \u062a\u062d\u0642\u0642 \u067e\u06cc\u062f\u0627 \u06a9\u0646\u062f. \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u062f\u0631\u06cc\u0686\u0647 \u062f\u0631\u0648\u0627\u0632\u0647 \u0648 \u062f\u0631\u06cc\u0686\u0647 \u067e\u0631\u0648\u0627\u0646\u0647 \u0631\u0627 \u0628\u0631\u0627\u06cc \u0639\u0627\u0645\u0644 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc \u0628\u0632\u0631\u06af \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646<\/p> <a class=\"read-more-btn\" href=\"https:\/\/fa.covna-china.com\/article\/what-is-electric-control-valve.html\">\u0627\u062f\u0627\u0645\u0647 >><\/a>\n <\/div>\n <\/div>\n <div class=\"blog-card col-lg-4 col-md-6 col-12 wow fadeInUp\"> <a href=\"https:\/\/fa.covna-china.com\/article\/the-difference-between-air-operated-valve-and-electric-valve.html\" title=\"\u062a\u0641\u0627\u0648\u062a \u0634\u06cc\u0631 \u0639\u0645\u0644\u06cc\u0627\u062a\u06cc \u0647\u0648\u0627 \u0628\u0627 \u0634\u06cc\u0631 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc\"> <img class=\"lazy\" alt=\"\u062a\u0641\u0627\u0648\u062a \u0634\u06cc\u0631 \u0639\u0645\u0644\u06cc\u0627\u062a\u06cc \u0647\u0648\u0627 \u0628\u0627 \u0634\u06cc\u0631 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc\" src=\"\/\/v4-assets.goalsites.com\/yexuming\/icon\/loading1.gif\" data-original=\"\/\/v4-upload.goalsites.com\/728\/image_1629961935_logo.jpg?imageView2\/1\/w\/376\/h\/251\/format\/webp\" width=\"376\" height=\"251\"><\/a>\n <div class=\"blog-text\">\n <div class=\"blog-date\">\n <ul>\n<li> <i class=\"far fa-calendar-alt\"><\/i> <span>\u0627\u06a9\u062a\u0628\u0631 24, 2022<\/span>\n<\/li>\n <\/ul>\n<\/div>\n <h4> <a href=\"https:\/\/fa.covna-china.com\/article\/the-difference-between-air-operated-valve-and-electric-valve.html\" title=\"\u062a\u0641\u0627\u0648\u062a \u0634\u06cc\u0631 \u0639\u0645\u0644\u06cc\u0627\u062a\u06cc \u0647\u0648\u0627 \u0628\u0627 \u0634\u06cc\u0631 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc\">\u062a\u0641\u0627\u0648\u062a \u0634\u06cc\u0631 \u0639\u0645\u0644\u06cc\u0627\u062a\u06cc \u0647\u0648\u0627 \u0628\u0627 \u0634\u06cc\u0631 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc<\/a> <\/h4>\n <p>\u062f\u0631\u06cc\u0686\u0647 \u067e\u0646\u0648\u0645\u0627\u062a\u06cc\u06a9 \u062f\u0631\u06cc\u0686\u0647 \u0627\u06cc \u0627\u0633\u062a \u06a9\u0647 \u062a\u0648\u0633\u0637 \u0647\u0648\u0627\u06cc \u0641\u0634\u0631\u062f\u0647 \u0631\u0627\u0646\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f. \u062f\u0631 \u0647\u0646\u06af\u0627\u0645 \u062e\u0631\u06cc\u062f \u0634\u06cc\u0631\u0647\u0627\u06cc \u067e\u0646\u0648\u0645\u0627\u062a\u06cc\u06a9\u060c \u062a\u0646\u0647\u0627 \u0644\u0627\u0632\u0645 \u0627\u0633\u062a \u0645\u0634\u062e\u0635\u0627\u062a\u060c \u0627\u0646\u0648\u0627\u0639\u060c \u0648 \u0641\u0634\u0627\u0631\u0647\u0627\u06cc \u06a9\u0627\u0631\u06cc \u0628\u0631\u0627\u06cc \u067e\u0627\u0633\u062e\u06af\u0648\u06cc\u06cc \u0628\u0647 \u0627\u0644\u0632\u0627\u0645\u0627\u062a \u062e\u0631\u06cc\u062f \u0645\u0634\u062e\u0635 \u0634\u0648\u062f. \u062c\u0631\u06cc\u0627\u0646. \u062a\u0641\u0627\u0648\u062a \u062f\u0631\u06cc\u0686\u0647 \u067e\u0646\u0648\u0645\u0627\u062a\u06cc\u06a9 \u0628\u0627 \u0634\u06cc\u0631 \u0633\u0644\u0646\u0648\u0626\u06cc\u062f \u062a\u0641\u0627\u0648\u062a \u0645\u0646\u0628\u0639 \u0633\u06cc\u06af\u0646\u0627\u0644 \u0627\u0633\u062a. \u0634\u06cc\u0631 \u0633\u0644\u0646\u0648\u0626\u06cc\u062f \u0627\u0632 \u0628\u0631\u0642 \u0628\u0631\u0627\u06cc \u06a9\u0646\u062a\u0631\u0644 \u06af\u0627\u0632 \u062e\u0644\u0628\u0627\u0646 \u0628\u0631\u0627\u06cc \u0647\u0644 \u062f\u0627\u062f\u0646 \u0647\u0633\u062a\u0647 \u062f\u0631\u06cc\u0686\u0647 \u0628\u0631\u0627\u06cc \u062a\u063a\u06cc\u06cc\u0631 \u0648\u062e\u06cc\u0645 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u062f<\/p> <a class=\"read-more-btn\" href=\"https:\/\/fa.covna-china.com\/article\/the-difference-between-air-operated-valve-and-electric-valve.html\">\u0627\u062f\u0627\u0645\u0647 >><\/a>\n <\/div>\n <\/div>\n <div class=\"blog-card col-lg-4 col-md-6 col-12 wow fadeInUp\"> <a href=\"https:\/\/fa.covna-china.com\/article\/what-are-the-advantages-of-gate-valve.html\" title=\"\u0634\u06cc\u0631 \u062f\u0631\u0648\u0627\u0632\u0647 \u0686\u0647 \u0645\u0632\u0627\u06cc\u0627\u06cc\u06cc \u062f\u0627\u0631\u062f\u061f\"> <img class=\"lazy\" alt=\"\u0634\u06cc\u0631 \u062f\u0631\u0648\u0627\u0632\u0647 \u0686\u0647 \u0645\u0632\u0627\u06cc\u0627\u06cc\u06cc \u062f\u0627\u0631\u062f\u061f\" src=\"\/\/v4-assets.goalsites.com\/yexuming\/icon\/loading1.gif\" data-original=\"\/\/v4-upload.goalsites.com\/728\/image_1630029199_t-video.jpg?imageView2\/1\/w\/376\/h\/251\/format\/webp\" width=\"376\" height=\"251\"><\/a>\n <div class=\"blog-text\">\n <div class=\"blog-date\">\n <ul>\n<li> <i class=\"far fa-calendar-alt\"><\/i> <span>\u06cc\u062f\u0644\u0627\u06cc\u0645\u062e\u06cc\u0631\u0627\u062a 2022 \u0633\u067e\u062a\u0627\u0645\u0628\u0631 07<\/span>\n<\/li>\n <\/ul>\n<\/div>\n <h4> <a href=\"https:\/\/fa.covna-china.com\/article\/what-are-the-advantages-of-gate-valve.html\" title=\"\u0634\u06cc\u0631 \u062f\u0631\u0648\u0627\u0632\u0647 \u0686\u0647 \u0645\u0632\u0627\u06cc\u0627\u06cc\u06cc \u062f\u0627\u0631\u062f\u061f\">\u0634\u06cc\u0631 \u062f\u0631\u0648\u0627\u0632\u0647 \u0686\u0647 \u0645\u0632\u0627\u06cc\u0627\u06cc\u06cc \u062f\u0627\u0631\u062f\u061f<\/a> <\/h4>\n <p>1. \u0645\u0642\u0627\u0648\u0645\u062a \u062f\u0631 \u0628\u0631\u0627\u0628\u0631 \u062c\u0631\u06cc\u0627\u0646 \u06a9\u0648\u0686\u06a9. \u06a9\u0627\u0646\u0627\u0644 \u0645\u062a\u0648\u0633\u0637 \u062f\u0627\u062e\u0644 \u0628\u062f\u0646\u0647 \u0634\u06cc\u0631 \u0645\u0633\u062a\u0642\u06cc\u0645 \u0627\u0633\u062a\u060c \u0645\u062d\u06cc\u0637 \u062f\u0631 \u06cc\u06a9 \u062e\u0637 \u0645\u0633\u062a\u0642\u06cc\u0645 \u062c\u0631\u06cc\u0627\u0646 \u062f\u0627\u0631\u062f\u060c \u0648 \u0645\u0642\u0627\u0648\u0645\u062a \u062c\u0631\u06cc\u0627\u0646 \u06a9\u0648\u0686\u06a9 \u0627\u0633\u062a. \u06f2- \u062f\u0631 \u0647\u0646\u06af\u0627\u0645 \u0628\u0627\u0632 \u0648 \u0628\u0633\u062a\u0647 \u0634\u062f\u0646 \u0628\u06cc\u0634\u062a\u0631 \u0635\u0631\u0641\u0647 \u062c\u0648\u06cc\u06cc \u062f\u0631 \u0646\u06cc\u0631\u0648\u06cc \u06a9\u0627\u0631 \u0627\u0633\u062a. \u062f\u0631 \u0645\u0642\u0627\u06cc\u0633\u0647 \u0628\u0627 \u062f\u0631\u06cc\u0686\u0647 \u06a9\u0631\u0647 \u0632\u0645\u06cc\u0646\u060c \u0686\u0648\u0646 \u0686\u0647 \u0628\u0627\u0632 \u0628\u0627\u0634\u062f \u0648 \u0686\u0647 \u0628\u0633\u062a\u0647\u060c \u062c\u0647\u062a \u062d\u0631\u06a9\u062a \u062f\u0631\u0648\u0627\u0632\u0647 \u0639\u0645\u0648\u062f \u0628\u0631 \u062c\u0647\u062a \u062c\u0631\u06cc\u0627\u0646 \u0645\u062d\u06cc\u0637 \u0627\u0633\u062a. 3. \u0627\u0631\u062a\u0641\u0627\u0639 \u0628\u0632\u0631\u06af \u0627\u0633\u062a \u0648 \u0628\u0627\u0632 \u0648 \u0628\u0633\u062a\u0647 ti<\/p> <a class=\"read-more-btn\" href=\"https:\/\/fa.covna-china.com\/article\/what-are-the-advantages-of-gate-valve.html\">\u0627\u062f\u0627\u0645\u0647 >><\/a>\n <\/div>\n <\/div>\n <div class=\"blog-card col-lg-4 col-md-6 col-12 wow fadeInUp\"> <a href=\"https:\/\/fa.covna-china.com\/article\/do-you-know-the-difference-between-electric-valve-and-solenoid-valve.html\" title=\"\u0622\u06cc\u0627 \u062a\u0641\u0627\u0648\u062a \u062f\u0631\u06cc\u0686\u0647 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc \u0648 \u0634\u06cc\u0631 \u0633\u0644\u0646\u0648\u0626\u06cc\u062f \u0631\u0627 \u0645\u06cc \u062f\u0627\u0646\u06cc\u062f\u061f\"> <img class=\"lazy\" alt=\"\u0622\u06cc\u0627 \u062a\u0641\u0627\u0648\u062a \u062f\u0631\u06cc\u0686\u0647 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc \u0648 \u0634\u06cc\u0631 \u0633\u0644\u0646\u0648\u0626\u06cc\u062f \u0631\u0627 \u0645\u06cc \u062f\u0627\u0646\u06cc\u062f\u061f\" src=\"\/\/v4-assets.goalsites.com\/yexuming\/icon\/loading1.gif\" data-original=\"\/\/v4-upload.goalsites.com\/728\/image_1630029164_about_icon2.png?imageView2\/1\/w\/376\/h\/251\/format\/webp\" width=\"376\" height=\"251\"><\/a>\n <div class=\"blog-text\">\n <div class=\"blog-date\">\n <ul>\n<li> <i class=\"far fa-calendar-alt\"><\/i> <span>\u06cc\u062f\u0644\u0627\u06cc\u0645\u062e\u06cc\u0631\u0627\u062a 2022 \u0633\u067e\u062a\u0627\u0645\u0628\u0631 07<\/span>\n<\/li>\n <\/ul>\n<\/div>\n <h4> <a href=\"https:\/\/fa.covna-china.com\/article\/do-you-know-the-difference-between-electric-valve-and-solenoid-valve.html\" title=\"\u0622\u06cc\u0627 \u062a\u0641\u0627\u0648\u062a \u062f\u0631\u06cc\u0686\u0647 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc \u0648 \u0634\u06cc\u0631 \u0633\u0644\u0646\u0648\u0626\u06cc\u062f \u0631\u0627 \u0645\u06cc \u062f\u0627\u0646\u06cc\u062f\u061f\">\u0622\u06cc\u0627 \u062a\u0641\u0627\u0648\u062a \u062f\u0631\u06cc\u0686\u0647 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc \u0648 \u0634\u06cc\u0631 \u0633\u0644\u0646\u0648\u0626\u06cc\u062f \u0631\u0627 \u0645\u06cc \u062f\u0627\u0646\u06cc\u062f\u061f<\/a> <\/h4>\n <p>1. \u0634\u06cc\u0631 solenoid \u062f\u0627\u0631\u0627\u06cc \u0639\u0645\u0644\u06a9\u0631\u062f \u0636\u062f \u0646\u0634\u062a \u0639\u0627\u0644\u06cc, \u0628\u0627\u0632 \u0645\u06cc \u0634\u0648\u062f \u0648 \u0628\u0633\u062a\u0647 \u0628\u0647 \u0633\u0631\u0639\u062a, \u0648 \u0642\u062f\u0631\u062a \u067e\u0627\u06cc\u06cc\u0646. \u0628\u0631\u0627\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0642\u0637\u0639 \u062f\u0631 \u0628\u0631\u062e\u06cc \u0627\u0632 \u062e\u0637\u0648\u0637 \u0644\u0648\u0644\u0647 \u0634\u06cc\u0645\u06cc\u0627\u06cc\u06cc \u0645\u0627\u0646\u0646\u062f \u062e\u0648\u0631\u062f\u06af\u06cc \u0648 \u0633\u0645\u06cc\u062a \u0645\u0646\u0627\u0633\u0628 \u0627\u0633\u062a\u061b \u0634\u06cc\u0631\u0647\u0627\u06cc \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc \u0628\u06cc\u0634\u062a\u0631 \u0628\u0631\u0627\u06cc \u062a\u0646\u0638\u06cc\u0645 \u062c\u0631\u06cc\u0627\u0646 \u062e\u0637 \u0644\u0648\u0644\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u0646\u062f\u060c \u0648 \u0628\u0647 \u0637\u0648\u0631 \u0645\u0639\u0645\u0648\u0644 \u062f\u0631 \u062a\u0623\u0645\u06cc\u0646 \u0647\u0648\u0627 \u0648 \u062a\u0628\u0631\u06cc\u062f \u0646\u0635\u0628 \u0645\u06cc \u0634\u0648\u0646\u062f. \u062e\u0631\u0648\u062c\u06cc \u0647\u0648\u0627\u06cc\u06cc \u062e\u0637 \u0644\u0648\u0644\u0647 \u0646\u06cc\u0632 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u062f\u0631 \u062e\u0637\u0648\u0637 \u0644\u0648\u0644\u0647 \u0645\u0627\u06cc\u0639 \u0645\u0648\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0642\u0631\u0627\u0631 \u06af\u06cc\u0631\u062f\u060c \u0648 \u0628\u0647 \u0637\u0648\u0631 \u06af\u0633\u062a\u0631\u062f\u0647 \u0627\u06cc \u062f\u0631 \u06a9\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f<\/p> <a class=\"read-more-btn\" href=\"https:\/\/fa.covna-china.com\/article\/do-you-know-the-difference-between-electric-valve-and-solenoid-valve.html\">\u0627\u062f\u0627\u0645\u0647 >><\/a>\n <\/div>\n <\/div>\n <div class=\"blog-card col-lg-4 col-md-6 col-12 wow fadeInUp\"> <a href=\"https:\/\/fa.covna-china.com\/article\/what-is-the-function-of-the-electric-gate-valve.html\" title=\"\u0639\u0645\u0644\u06a9\u0631\u062f \u062f\u0631\u06cc\u0686\u0647 \u062f\u0631\u0648\u0627\u0632\u0647 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc \u0686\u0647 \u0645\u06cc \u0628\u0627\u0634\u062f\u061f\"> <img class=\"lazy\" alt=\"\u0639\u0645\u0644\u06a9\u0631\u062f \u062f\u0631\u06cc\u0686\u0647 \u062f\u0631\u0648\u0627\u0632\u0647 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc \u0686\u0647 \u0645\u06cc \u0628\u0627\u0634\u062f\u061f\" src=\"\/\/v4-assets.goalsites.com\/yexuming\/icon\/loading1.gif\" data-original=\"\/\/v4-upload.goalsites.com\/728\/image_1637137206_electric-3-piece-weld-ball-valve-300x300.png?imageView2\/1\/w\/376\/h\/251\/format\/webp\" width=\"376\" height=\"251\"><\/a>\n <div class=\"blog-text\">\n <div class=\"blog-date\">\n <ul>\n<li> <i class=\"far fa-calendar-alt\"><\/i> <span>\u06cc\u062f\u0644\u0627\u06cc\u0645\u062e\u06cc\u0631\u0627\u062a 2022 \u0633\u067e\u062a\u0627\u0645\u0628\u0631 07<\/span>\n<\/li>\n <\/ul>\n<\/div>\n <h4> <a href=\"https:\/\/fa.covna-china.com\/article\/what-is-the-function-of-the-electric-gate-valve.html\" title=\"\u0639\u0645\u0644\u06a9\u0631\u062f \u062f\u0631\u06cc\u0686\u0647 \u062f\u0631\u0648\u0627\u0632\u0647 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc \u0686\u0647 \u0645\u06cc \u0628\u0627\u0634\u062f\u061f\">\u0639\u0645\u0644\u06a9\u0631\u062f \u062f\u0631\u06cc\u0686\u0647 \u062f\u0631\u0648\u0627\u0632\u0647 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc \u0686\u0647 \u0645\u06cc \u0628\u0627\u0634\u062f\u061f<\/a> <\/h4>\n <p>\u062f\u0631\u06cc\u0686\u0647 \u062f\u0631\u0648\u0627\u0632\u0647 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc \u062f\u0631\u06cc\u0686\u0647 \u0627\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0628\u0647 \u0637\u0648\u0631 \u06af\u0633\u062a\u0631\u062f\u0647 \u0627\u06cc \u0645\u0648\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0642\u0631\u0627\u0631 \u0645\u06cc \u06af\u06cc\u0631\u062f\u060c \u06a9\u0647 \u0639\u0645\u062f\u062a\u0627\u064b \u062f\u0631 \u062a\u0646\u0638\u06cc\u0645 \u0622\u0646\u0627\u0644\u0648\u06af \u062c\u0631\u06cc\u0627\u0646 \u0645\u062a\u0648\u0633\u0637 \u062f\u0631 \u0633\u06cc\u0633\u062a\u0645 \u0647\u0627\u06cc \u0645\u0627\u06cc\u0639\u060c \u06af\u0627\u0632 \u0648 \u0628\u0627\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f\u060c \u0648 \u06a9\u0646\u062a\u0631\u0644 \u0647\u0648\u0634 \u0645\u0635\u0646\u0648\u0639\u06cc \u0627\u0633\u062a. \u062f\u0631 \u06a9\u0646\u062a\u0631\u0644 \u062f\u0631\u06cc\u0686\u0647 \u0647\u0627\u06cc \u0628\u0632\u0631\u06af \u0648 \u0633\u06cc\u0633\u062a\u0645 \u0647\u0627\u06cc \u0628\u0627\u062f\u06cc \u0646\u06cc\u0632 \u0645\u06cc \u062a\u0648\u0627\u0646 \u0627\u0632 \u0634\u06cc\u0631\u0647\u0627\u06cc \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc \u0628\u0631\u0627\u06cc \u06a9\u0646\u062a\u0631\u0644 \u0633\u0648\u0626\u06cc\u0686 \u062f\u0648 \u0645\u0648\u0642\u0639\u06cc\u062a\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0631\u062f. \u0627\u0635\u0644 \u0639\u0645\u0644\u06cc\u0627\u062a\u06cc \u062f\u0631\u06cc\u0686\u0647 \u062f\u0631\u0648\u0627\u0632\u0647 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc \u0627\u06cc\u0646 \u0627\u0633\u062a \u06a9\u0647 \u062f\u0631\u06cc\u0686\u0647 \u062f\u0631\u0648\u0627\u0632\u0647 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc \u0645\u0639\u0645\u0648\u0644\u0627\u064b \u062a\u0648\u0633\u0637 \u06cc\u06a9 \u0639\u0645\u0644\u06af\u0631 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc \u0628\u0647 \u0647\u0645 \u0645\u062a\u0635\u0644 \u0645\u06cc \u0634\u0648\u0646\u062f \u0648 \u0634\u06cc\u0631\u060c \u06cc\u06a9<\/p> <a class=\"read-more-btn\" href=\"https:\/\/fa.covna-china.com\/article\/what-is-the-function-of-the-electric-gate-valve.html\">\u0627\u062f\u0627\u0645\u0647 >><\/a>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <div class=\"col-lg-12 col-md-12 col-12 pagination-box wow fadeInUp\">\n <nav aria-label=\"Page navigation example\"><ul class=\"pagination\">\n<li class=\"active\"><a href=\"javascript:void(0);\">1<\/a><\/li>\n <li><a href=\"https:\/\/fa.covna-china.com\/articles\/valves-study\/2.html\">2<\/a><\/li>\n <li><a 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}\n\n .rightmenu .r-icon.envelope a {\n font-size: 0\n }\n\n .rightmenu .r-icon {\n position: relative\n }\n\n .rightmenu .r-icon.envelope a {\n position: absolute;\n width: 100%;\n height: 100%;\n left: 0;\n top: 0\n }\n\n #QuickInquiryModal button.btn-primary {\n background-color: var(--mainColor3) !important;\n border-color: var(--mainColor3) !important;\n color: #fff !important\n }\n\n #QuickInquiryModal button.btn-primary:active,\n #QuickInquiryModal button.btn-primary:hover {\n background-color: var(--mainColor2) !important;\n border-color: var(--mainColor2) !important\n }\n\n #QuickInquiryModal .btn-primary,\n .btn-primary:active {\n color: #fff !important\n }\n\n .footer-links .input-group .form-control2 {\n font-size: 15px;\n border: 1px solid var(--whiteColor2);\n color: rgba(242, 242%, 242%, 50%);\n padding: 8px 15px;\n background: 0 0;\n width: 100%\n }\n\n .footer-links .input-group textarea.form-control2 {\n height: 90px;\n resize: none;\n width: 100%\n }\n\n 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.newsletter .newsletter-btn:hover {\n background: #fff;\n color: var(--mainColor)\n }\n\n [dir=rtl] .newsletter-content .default-section-heading h3,\n [dir=rtl] .newsletter-content .default-section-heading h6 {\n text-align: right\n }\n\n [dir=rtl] .footer-social-links {\n justify-content: flex-end\n }\n\n [dir=rtl] .footer-links .input-group .form-control {\n border-right: 1px solid var(--whiteColor2);\n border-left: 0\n }\n\n [lang=sk] .newsletter-content .default-section-heading h3 {\n font-size: 30px\n }\n\n @media only screen and (max-width:767px) {\n .rightmenu ul li {\n width: 45px;\n height: 45px;\n line-height: 45px;\n font-size: 24px\n }\n\n .arrow-right02::after,\n .arrow-right02::before {\n width: 14px\n }\n\n .arrow-right02::before {\n right: 18px\n }\n }\n <\/style>\n<div class=\"newsletter pt-65 wow fadeInUp\">\n <div class=\"w1292\">\n <div class=\"newsletter-content\">\n <div class=\"row align-items-center\">\n <div class=\"col-lg-8\">\n <div class=\"default-section-heading\">\n <h3>\u0627\u06cc\u0646\u062c\u0627 \u0631\u0627 \u06a9\u0644\u06cc\u06a9 \u06a9\u0646\u06cc\u062f \u0628\u0631\u0627\u06cc \u067e\u0631\u0633\u06cc\u062f\u0646 \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0628\u06cc\u0634\u062a\u0631 \u062f\u0631 \u0645\u0648\u0631\u062f \u0646\u0642\u0644 \u0642\u0648\u0644<\/h3>\n <\/div>\n <\/div>\n <div class=\"col-lg-4\"> <a class=\"newsletter-btn\" data-fancybox data-src=\"#QuickInquiryModal\" href=\"javascript:;\">\u0627\u0631\u0633\u0627\u0644 \u067e\u0631\u0633 \u0648 \u062c\u0648<\/a> <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <div class=\"footer pb-100\">\n <div class=\"w1200 clearfix\">\n <div class=\"footer-logo-area wow fadeInUp\"> <a href=\"https:\/\/fa.covna-china.com\/\"><img src=\"\/\/v4-upload.goalsites.com\/728\/image_1629961960_logo1.png\" alt=\"\u0639\u0627\u0644\u06cc\" width=\"216\" height=\"37\"><\/a>\n <p>\u0645\u062a\u0639\u0647\u062f \u0628\u0647 \u0627\u0631\u0627\u0626\u0647 \u062f\u0647\u0646\u062f\u0647 \u062e\u062f\u0645\u0627\u062a \u0627\u062a\u0648\u0645\u0627\u0633\u06cc\u0648\u0646 \u062c\u0647\u0627\u0646\u06cc<\/p>\n <div class=\"footer-social-links\">\n <ul>\n<li> <a href=\"https:\/\/www.linkedin.com\/in\/covnavalves\/\" target=\"_blank\"><i class=\"fab fa-linkedin-in\"><\/i><\/a> <\/li>\n <li> <a href=\"https:\/\/twitter.com\/valve_covna\" target=\"_blank\"><i class=\"fab fa-twitter\"><\/i><\/a> <\/li>\n <li> <a href=\"https:\/\/www.youtube.com\/channel\/UC3EDFKt6qoQCCyuun5Tfwwg\" target=\"_blank\"><i class=\"fab fa-youtube\"><\/i><\/a> <\/li>\n <li> <a href=\"https:\/\/www.instagram.com\/fluidcontrolvalve\/\" target=\"_blank\"><i class=\"fab fa-instagram\"><\/i><\/a> <\/li>\n <\/ul>\n<\/div>\n <\/div>\n <div class=\"footer-links footer-quick-links wow fadeInUp\">\n <h3 class=\"ft_title\">\u0644\u06cc\u0646\u06a9 \u0647\u0627\u06cc \u0633\u0631\u06cc\u0639<\/h3>\n <ul>\n<li> <a href=\"https:\/\/fa.covna-china.com\/\"><i class=\"fas fa-long-arrow-alt-right\"><\/i>\u062e\u0627\u0646\u0647<\/a> <\/li>\n <li> <a href=\"https:\/\/fa.covna-china.com\/products\/all.html\"><i class=\"fas fa-long-arrow-alt-right\"><\/i>\u0645\u062d\u0635\u0648\u0644\u0627\u062a<\/a> <\/li>\n <li> <a href=\"https:\/\/fa.covna-china.com\/page\/about-us.html\"><i class=\"fas fa-long-arrow-alt-right\"><\/i>\u062f\u0631 \u0628\u0627\u0631\u0647 \u0645\u0627<\/a> <\/li>\n <li> <a href=\"https:\/\/fa.covna-china.com\/projects\/all.html\"><i class=\"fas fa-long-arrow-alt-right\"><\/i>\u067e\u0631\u0648\u0698\u0647<\/a> <\/li>\n <li> <a href=\"https:\/\/fa.covna-china.com\/articles\/all.html\"><i class=\"fas fa-long-arrow-alt-right\"><\/i>\u0648\u0628\u0644\u0627\u06af<\/a> <\/li>\n <li> <a href=\"https:\/\/fa.covna-china.com\/videos\/lives.html\"><i class=\"fas fa-long-arrow-alt-right\"><\/i>\u0632\u0646\u062f\u0647<\/a> <\/li>\n <li> <a href=\"https:\/\/fa.covna-china.com\/encyclopedias\/encyclopedia.html\"><i class=\"fas fa-long-arrow-alt-right\"><\/i>\u062f\u0627\u0646\u0634\u0646\u0627\u0645\u0647<\/a> <\/li>\n <li> <a href=\"https:\/\/fa.covna-china.com\/page\/contact-us.html\"><i class=\"fas fa-long-arrow-alt-right\"><\/i>\u062a\u0645\u0627\u0633 \u0628\u0627 \u0645\u0627<\/a> <\/li>\n <\/ul>\n<\/div>\n <div class=\"footer-links footer-contact wow fadeInUp\">\n <h3 class=\"ft_title\">\u062a\u0645\u0627\u0633 \u0628\u0627 \u0645\u0627<\/h3>\n <ul>\n<li> <i class=\"fa fa-envelope\"><\/i>\n <p>\u0627\u06cc\u0645\u06cc\u0644:<\/p> <a href=\"mailto:inquiry@covna-china.com\">inquiry@covna-china.com<\/a>\n <\/li>\n <li> <i class=\"fas fa-phone-alt\" style=\"font-size:20px\"><\/i>\n <p>\u062a\u0644\u0641\u0646:<\/p> <a href=\"tel:8613556641138\">+86-1355-6641138<\/a>\n <\/li>\n <li> <i class=\"fas fa-map-marker-alt\" style=\"font-size:20px\"><\/i>\n <p>\u0645\u062d\u0644:<\/p>\n <p>Longchang Micro-Chuangyuan, Dongcheng District Dongguan City, China, 523000<\/p>\n <\/li>\n <\/ul>\n<\/div>\n <div class=\"footer-links footer-form wow fadeInUp\">\n <h3>\u0627\u0634\u062a\u0631\u0627\u06a9<\/h3>\n <p>\u0639\u0636\u0648\u06cc\u062a \u062f\u0631 \u062e\u0628\u0631\u0646\u0627\u0645\u0647 \u0645\u0627 \u0628\u0631\u0627\u06cc \u062f\u0631\u06cc\u0627\u0641\u062a \u0627\u062e\u0628\u0627\u0631 \u0628\u0647 \u0631\u0648\u0632 \u0634\u062f\u0647 \u0645\u0627!<\/p>\n <form class=\"form-9b4b062d0df0461a722aba3b8cd1a5d9\" action=\"https:\/\/inquiry.digoodcms.com\/api\/covna\" method=\"POST\"> <input name=\"page\" type=\"hidden\" value><input id=\"backpage2\" name=\"backpage\" type=\"hidden\" value><div class=\"input-group\"> <input type=\"text\" name=\"contact[fullname]\" class=\"form-control2\" required placeholder=\"*\u0646\u0627\u0645 \u0634\u0645\u0627\">\n<\/div>\n <div class=\"input-group\"> <input type=\"email\" name=\"email\" class=\"form-control2\" placeholder=\"*\u0627\u06cc\u0645\u06cc\u0644 \u0634\u0645\u0627\" required pattern=\"[-\\w]+@[-\\w]+(\\.[-\\w]+)+\">\n<\/div>\n <div class=\"input-group\"> <textarea name=\"message\" rows=\"3\" class=\"form-control2\" minlength=\"10\" maxlength=\"2000\" required placeholder=\"*\u067e\u06cc\u0627\u0645\"><\/textarea>\n<\/div>\n <div class=\"input-group\"> <button class=\"btn\" type=\"submit\">\u0627\u0631\u0633\u0627\u0644<\/button> <\/div> <input class=\"custom-9d8f26d035caca65c39d87e81ea0fb9f_ipAddress\" name=\"custom[ipAddress]\" type=\"hidden\" value><input class=\"custom-9d8f26d035caca65c39d87e81ea0fb9f_countryName\" name=\"custom[countryName]\" type=\"hidden\" value><input class=\"custom-9d8f26d035caca65c39d87e81ea0fb9f_regionName\" name=\"custom[regionName]\" type=\"hidden\" value><input class=\"custom-9d8f26d035caca65c39d87e81ea0fb9f_cityName\" name=\"custom[cityName]\" type=\"hidden\" value><input class=\"custom-9d8f26d035caca65c39d87e81ea0fb9f_countryCode\" name=\"custom[countryCode]\" type=\"hidden\" value><input class=\"custom-9d8f26d035caca65c39d87e81ea0fb9f_zipCode\" name=\"custom[zipCode]\" type=\"hidden\" value><input class=\"custom-9d8f26d035caca65c39d87e81ea0fb9f_latitude\" name=\"custom[latitude]\" type=\"hidden\" value><input class=\"custom-9d8f26d035caca65c39d87e81ea0fb9f_longitude\" name=\"custom[longitude]\" type=\"hidden\" value><input class=\"custom-9d8f26d035caca65c39d87e81ea0fb9f_timeZone\" name=\"custom[timeZone]\" type=\"hidden\" value><input class=\"geo-fe53cf800e6e617fc6320c18794f89a5_ipAddress\" name=\"geoip[ipAddress]\" type=\"hidden\" value><input class=\"geo-fe53cf800e6e617fc6320c18794f89a5_countryName\" name=\"geoip[countryName]\" type=\"hidden\" value><input class=\"geo-fe53cf800e6e617fc6320c18794f89a5_countryCode\" name=\"geoip[countryCode]\" type=\"hidden\" value><input class=\"geo-fe53cf800e6e617fc6320c18794f89a5_regionName\" name=\"geoip[regionName]\" type=\"hidden\" value><input class=\"geo-fe53cf800e6e617fc6320c18794f89a5_cityName\" name=\"geoip[cityName]\" type=\"hidden\" value><input class=\"geo-fe53cf800e6e617fc6320c18794f89a5_zipCode\" name=\"geoip[zipCode]\" type=\"hidden\" value><input class=\"geo-fe53cf800e6e617fc6320c18794f89a5_latitude\" name=\"geoip[latitude]\" type=\"hidden\" value><input class=\"geo-fe53cf800e6e617fc6320c18794f89a5_longitude\" name=\"geoip[longitude]\" type=\"hidden\" value><input class=\"geo-fe53cf800e6e617fc6320c18794f89a5_timeZone\" name=\"geoip[timeZone]\" type=\"hidden\" value><input name=\"useragent[browser]\" type=\"hidden\" value=\"Chrome[86.0.4240.75]\"><input name=\"useragent[platform]\" type=\"hidden\" value=\"Windows 10\"><input name=\"useragent[lang]\" type=\"hidden\" value=\"zh-CN,zh;q=0.9,ja;q=0.8,en-US;q=0.7,en;q=0.6,zh-TW;q=0.5\"><input name=\"useragent[mobile]\" type=\"hidden\" value=\"No\"><input name=\"useragent[agent_string]\" type=\"hidden\" value=\"Mozilla\/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit\/537.36 (KHTML, like Gecko) Chrome\/86.0.4240.75 Safari\/537.36\">\n<\/form>\n <\/div>\n <\/div>\n <\/div>\n <div class=\"copyright\">\n <div class=\"container\">\n <p class=\"wow fadeInUp\"> <a href=\"https:\/\/fa.covna-china.com\/page\/contact-us.html\" target=\"_blank\">\u0633\u06cc\u0627\u0633\u062a \u062d\u0641\u0638 \u062d\u0631\u06cc\u0645 \u062e\u0635\u0648\u0635\u06cc<\/a><br>Copyright 2021 GuangDong COVNA Co., Ltd.<\/p>\n <\/div>\n <\/div>\n <div class=\"rightmenu\">\n <ul>\n<li class=\"r-icon envelope\"> <a data-fancybox data-src=\"#QuickInquiryModal\" href=\"javascript:;\" class=\"dg-btn dg-theme\">\u067e\u0631\u0633 \u0648 \u062c\u0648 \u0633\u0631\u06cc\u0639<\/a> <i class=\"fa fa-envelope\"><\/i> <\/li>\n <li class=\"r-icon\"> <a href=\"https:\/\/www.linkedin.com\/in\/covnavalves\/\" target=\"_blank\"><i class=\"fab fa-linkedin-in\"><\/i><\/a> <\/li>\n <li class=\"r-icon\"><a href=\"https:\/\/www.facebook.com\/automaticcontrolvalve\" target=\"_blank\"><i class=\"fab fa-facebook\"><\/i><\/a><\/li>\n <li class=\"r-icon\"><a href=\"https:\/\/www.youtube.com\/channel\/UC3EDFKt6qoQCCyuun5Tfwwg\" target=\"_blank\"><i class=\"fab fa-youtube\"><\/i><\/a><\/li>\n <li class=\"r-icon\">\n <div class=\"icon\"><i class=\"fab fa-whatsapp\"><\/i><\/div>\n <div class=\"side-link\"> <a href=\"https:\/\/api.whatsapp.com\/send?phone=+86%2013556641138&text=Hello\" target=\"_blank\">+86 13556641138<\/a> <\/div>\n <\/li>\n <li class=\"r-top\"><span class=\"standard-arrow-right02 arrow-right02\"><\/span><\/li>\n <\/ul>\n<\/div>\n <section class=\"quick-inquiry-section\" style=\"display:none\"><div class=\"container\">\n <div id=\"QuickInquiryModal\" style=\"width:90%;max-width:800px\">\n <h2>\u067e\u0631\u0633 \u0648 \u062c\u0648 \u0633\u0631\u06cc\u0639<\/h2>\n <form class=\"form-9b4b062d0df0461a722aba3b8cd1a5d9\" action=\"\/\/inquiry.digoodcms.com\/api\/covna\" method=\"post\"> <input name=\"page\" type=\"hidden\" value><input id=\"backpage\" name=\"backpage\" type=\"hidden\" value><div class=\"form-group\"> <label>\u0646\u0627\u0645:<\/label> <input type=\"text\" name=\"contact[Name]\" class=\"form-control\" placeholder=\"\u0646\u0627\u0645 \u062e\u0648\u062f \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646\u06cc\u062f\">\n<\/div>\n <div class=\"form-group\"> <label>*\u0627\u06cc\u0645\u06cc\u0644:<\/label> <input type=\"email\" name=\"email\" class=\"form-control\" placeholder=\"\u0627\u06cc\u0645\u06cc\u0644 \u062e\u0648\u062f \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646\u06cc\u062f\" required=\"required\" pattern=\"[-\\w\\.]+@[-\\w]+(\\.[-\\w]+)+\">\n<\/div>\n <div class=\"form-group\"> <label>\u062a\u0644\u0641\u0646:<\/label> <input type=\"text\" name=\"contact[Phone]\" class=\"form-control\" placeholder=\"\u0634\u0645\u0627\u0631\u0647 \u062a\u0644\u0641\u0646 \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646\u06cc\u062f\" pattern=\"(\\d{11})|^((\\d{7,8})|(\\d{4}|\\d{3})-(\\d{7,8})|(\\d{4}|\\d{3})-(\\d{7,8})-(\\d{4}|\\d{3}|\\d{2}|\\d{1})|(\\d{7,8})-(\\d{4}|\\d{3}|\\d{2}|\\d{1}))$\">\n<\/div>\n <div class=\"form-group\"> <label>*\u067e\u06cc\u0627\u0645:<\/label> <textarea class=\"form-control\" rows=\"3\" name=\"message\" placeholder=\"\u067e\u06cc\u0627\u0645 \u062e\u0648\u062f \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646\u06cc\u062f\" required=\"required\"><\/textarea>\n<\/div> <button type=\"submit\" class=\"btn btn-primary\">\u0627\u0631\u0633\u0627\u0644 \u067e\u0631\u0633 \u0648 \u062c\u0648<\/button> <input class=\"custom-9d8f26d035caca65c39d87e81ea0fb9f_ipAddress\" name=\"custom[ipAddress]\" type=\"hidden\" value><input class=\"custom-9d8f26d035caca65c39d87e81ea0fb9f_countryName\" name=\"custom[countryName]\" type=\"hidden\" value><input class=\"custom-9d8f26d035caca65c39d87e81ea0fb9f_regionName\" name=\"custom[regionName]\" type=\"hidden\" value><input class=\"custom-9d8f26d035caca65c39d87e81ea0fb9f_cityName\" name=\"custom[cityName]\" type=\"hidden\" value><input class=\"custom-9d8f26d035caca65c39d87e81ea0fb9f_countryCode\" name=\"custom[countryCode]\" type=\"hidden\" value><input class=\"custom-9d8f26d035caca65c39d87e81ea0fb9f_zipCode\" name=\"custom[zipCode]\" type=\"hidden\" value><input class=\"custom-9d8f26d035caca65c39d87e81ea0fb9f_latitude\" name=\"custom[latitude]\" type=\"hidden\" value><input class=\"custom-9d8f26d035caca65c39d87e81ea0fb9f_longitude\" name=\"custom[longitude]\" type=\"hidden\" value><input class=\"custom-9d8f26d035caca65c39d87e81ea0fb9f_timeZone\" name=\"custom[timeZone]\" type=\"hidden\" value><input class=\"geo-fe53cf800e6e617fc6320c18794f89a5_ipAddress\" name=\"geoip[ipAddress]\" type=\"hidden\" value><input class=\"geo-fe53cf800e6e617fc6320c18794f89a5_countryName\" name=\"geoip[countryName]\" type=\"hidden\" value><input class=\"geo-fe53cf800e6e617fc6320c18794f89a5_countryCode\" name=\"geoip[countryCode]\" type=\"hidden\" value><input class=\"geo-fe53cf800e6e617fc6320c18794f89a5_regionName\" name=\"geoip[regionName]\" type=\"hidden\" value><input class=\"geo-fe53cf800e6e617fc6320c18794f89a5_cityName\" name=\"geoip[cityName]\" type=\"hidden\" value><input class=\"geo-fe53cf800e6e617fc6320c18794f89a5_zipCode\" name=\"geoip[zipCode]\" type=\"hidden\" value><input class=\"geo-fe53cf800e6e617fc6320c18794f89a5_latitude\" name=\"geoip[latitude]\" type=\"hidden\" value><input class=\"geo-fe53cf800e6e617fc6320c18794f89a5_longitude\" name=\"geoip[longitude]\" type=\"hidden\" value><input class=\"geo-fe53cf800e6e617fc6320c18794f89a5_timeZone\" name=\"geoip[timeZone]\" type=\"hidden\" value><input name=\"useragent[browser]\" type=\"hidden\" value=\"Chrome[86.0.4240.75]\"><input name=\"useragent[platform]\" type=\"hidden\" value=\"Windows 10\"><input name=\"useragent[lang]\" type=\"hidden\" value=\"zh-CN,zh;q=0.9,ja;q=0.8,en-US;q=0.7,en;q=0.6,zh-TW;q=0.5\"><input name=\"useragent[mobile]\" type=\"hidden\" value=\"No\"><input name=\"useragent[agent_string]\" type=\"hidden\" value=\"Mozilla\/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit\/537.36 (KHTML, like Gecko) Chrome\/86.0.4240.75 Safari\/537.36\">\n<\/form>\n <\/div>\n <\/div>\n 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.nav-item .dropdown-menu,\n [lang=et] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=fr] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=it] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=ms] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=pl] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=pt] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=ro] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=sk] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=sv] .main-nav nav .navbar-nav .nav-item .dropdown-menu {\n max-width: 290px\n }\n\n [lang=ca] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=de] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=el] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=es] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=et] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=fr] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=it] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=ms] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=pl] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=pt] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=ro] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=sk] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=sv] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box {\n max-width: 100%\n }\n\n [lang=bg] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=ru] .main-nav nav .navbar-nav .nav-item .dropdown-menu {\n max-width: 330px\n }\n\n [lang=bg] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=ru] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box {\n max-width: 100%\n }\n\n [lang=ru] .sub_item_img {\n width: 78px;\n height: 78px\n }\n\n [lang=ru] .main-nav nav .navbar-nav .nav-item.has_box .sub_box .sub_item a {\n font-size: 13px\n }\n\n [lang=cs] .sub_item_img {\n width: 76px;\n height: 76px\n }\n\n [lang=bg] .main-nav nav .navbar-nav .nav-item.has_box .sub_box .sub_item a,\n [lang=cs] .main-nav nav .navbar-nav .nav-item.has_box .sub_box .sub_item a {\n font-size: 14px\n }\n\n [lang=lv] .main-nav nav .navbar-nav .nav-item .dropdown-menu {\n max-width: 260px\n }\n\n [lang=lv] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box {\n max-width: 100%\n }\n\n [lang=lt] .main-nav nav .navbar-nav>.nav-item,\n [lang=vi] .main-nav nav .navbar-nav>.nav-item {\n margin-left: 12px;\n margin-right: 12px\n }\n\n [dir=rtl] .topbar ul {\n text-align: right\n }\n\n [dir=rtl] .top-contact-area ul li i {\n margin-left: 4px;\n margin-right: 0\n }\n\n [dir=rtl] .language-select i {\n margin-left: 4px;\n margin-right: 0\n }\n\n [dir=rtl] .main-nav nav .navbar-nav {\n margin-left: 0;\n margin-right: auto\n }\n\n [dir=rtl] .searchbox {\n padding: 18px 16px 18px 0\n }\n\n [lang=ko] .main-nav nav .navbar-nav .nav-item.has_box .sub_box .sub_item a {\n font-size: 14px\n }\n\n [lang=uk] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=vi] .main-nav nav .navbar-nav .nav-item .dropdown-menu {\n max-width: 310px\n }\n\n [lang=uk] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=vi] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box {\n max-width: 100%\n }\n\n [lang=hu] .main-nav nav .navbar-nav>.nav-item,\n [lang=iw] .main-nav nav .navbar-nav>.nav-item {\n margin-left: 20px;\n margin-right: 20px\n }\n\n [lang=el] .main-nav nav .navbar-nav>.nav-item {\n margin-left: 10px;\n margin-right: 10px\n }\n\n [lang=fi] .main-nav nav .navbar-nav>.nav-item {\n margin-left: 16px;\n margin-right: 16px\n }\n\n [lang=fi] .main-nav nav .navbar-nav .nav-item.has_box .sub_box .sub_item a {\n font-size: 15px\n }\n\n [lang=pl] .features .welcome_desc p {\n font-size: 24px\n }\n\n @media only screen and (max-width:1199px) {\n .topbar {\n border-bottom: none\n }\n }\n\n @media only screen and (max-width:767px) {\n .language-select .dropdown-menu {\n left: 0;\n right: auto;\n height: 70vh\n }\n\n .newsletter-content .default-section-heading h3 {\n font-size: 28px;\n line-height: 32px;\n padding-bottom: 18px\n }\n }\n <\/style>\n<script async src=\"https:\/\/www.googletagmanager.com\/gtag\/js?id=G-5WHCGWBZF2\"><\/script><script defer>\n function gtag() {\n dataLayer.push(arguments)\n }\n window.dataLayer = window.dataLayer || [], gtag(\"js\", new Date), gtag(\"config\", \"G-5WHCGWBZF2\"), gtag(\"config\", \"AW-10818223058\")\n <\/script><script defer>\n function gtag_report_conversion_1(n) {\n return gtag(\"event\", \"conversion\", {\n send_to: \"AW-10818223058\/VD_JCK_UqIcDENL3w6Yo\",\n event_callback: function() {\n void 0 !== n && (window.location = n)\n }\n }), !1\n }\n <\/script>\n<\/head>\n<body>\n <div class=\"topbar inside_pages_site\">\n <div class=\"w1200\">\n <div class=\"topbar-content\">\n <div class=\"row align-items-center\">\n <div class=\"col-xl-9 col-md-6 col-sm-12 col-12\">\n <div class=\"top-contact-area\">\n <ul>\n<li> <i class=\"fas fa-phone-alt\"><\/i> <span>\u062a\u0644\u0641\u0646:<\/span> <a href=\"tel:8613556641138\">+86-1355-6641138<\/a> <\/li>\n <li> <i class=\"fa fa-envelope\"><\/i> <span>\u0627\u06cc\u0645\u06cc\u0644:<\/span> <a href=\"mailto:inquiry@covna-china.com\">inquiry@covna-china.com<\/a> <\/li>\n <\/ul>\n<\/div>\n <\/div>\n <div class=\"col-xl-3 col-md-6 col-sm-12 col-12\">\n <div class=\"topbar-right-area\">\n <div class=\"language-select\">\n <div class=\"dropdown\">\n <div class=\"header_lang_btn\"> <i id=\"lang_icon\" class=\"fas fa-globe\"><\/i> <span id=\"lang_text\" style=\"position:relative;top:2px\">\u0632\u0628\u0627\u0646<\/span> <i class=\"fa fa-caret-down xiala\"><\/i> <\/div>\n <ul class=\"dropdown-menu\" aria-labelledby=\"dLabel\">\n<li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/es.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-es\"><\/i> Espa\u00f1ol <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/fr.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-fr\"><\/i> Fran\u00e7ais <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/de.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-de\"><\/i> Deutsch <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/pt.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-pt\"><\/i> Portugu\u00eas <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/ru.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-ru\"><\/i> P\u0443\u0441\u0441\u043a\u0438\u0439 <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/nl.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-nl\"><\/i> Nederlands <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/fa.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-gb\"><\/i> English <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/ca.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-ad\"><\/i> Catal\u00e0 <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/cs.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-cz\"><\/i> \u010de\u0161tina <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/hr.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-hr\"><\/i> Hrvatski <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/lv.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-lv\"><\/i> Latvij\u0101 <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/lt.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-lt\"><\/i> Lietuvos <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/ar.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-sa\"><\/i> \u0627\u0644\u0644\u063a\u0629 \u0627\u0644\u0639\u0631\u0628\u064a\u0629 <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/ja.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-jp\"><\/i> \u65e5\u672c\u8a9e <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/ko.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-kr\"><\/i> \ud55c\uad6d\uc5b4 <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/it.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-it\"><\/i> Italiano <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/ms.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-my\"><\/i> Melayu <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/th.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-th\"><\/i> \u0e20\u0e32\u0e29\u0e32\u0e44\u0e17\u0e22 <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/ro.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-ro\"><\/i> Rom\u00e2n\u0103 <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/mt.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-mt\"><\/i> Malti <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/no.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-no\"><\/i> Norsk <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/sv.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-se\"><\/i> Svenska <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/sk.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-sk\"><\/i> slovensk\u00fd <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/sl.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-si\"><\/i> Sloven\u0161\u010dina <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/tr.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-tr\"><\/i> T\u00fcrk <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/hi.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-in\"><\/i> \u0939\u093f\u0902\u0926\u0940 <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/vi.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-vn\"><\/i> Ti\u1ebfng Vi\u1ec7t <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/et.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-ee\"><\/i> Eesti <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/sw.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-tz\"><\/i> Kiswahili <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/ur.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-pk\"><\/i> \u0627\u0631\u062f\u0648 <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/uk.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-ua\"><\/i> \u0423\u043a\u0440\u0430\u0457\u043d\u0441\u044c\u043a\u0438\u0439 <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/iw.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-il\"><\/i> \u05e2\u05b4\u05d1\u05e8\u05b4\u05d9\u05ea <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/el.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-gr\"><\/i> \u03b5\u03bb\u03bb\u03b7\u03bd\u03b9\u03ba\u03ac <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/hu.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-hu\"><\/i> Magyar <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/bg.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-bg\"><\/i> \u0431\u044a\u043b\u0433\u0430\u0440\u0441\u043a\u0438 <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/af.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-za\"><\/i> Afrikaans <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/bs.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-ba\"><\/i> Bosanski <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/fa.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-ir\"><\/i> \u0641\u0627\u0631\u0633\u06cc <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/da.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-dk\"><\/i> Danske <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/fi.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-fi\"><\/i> Suomi <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/id.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-id\"><\/i> bahasa Indonesia <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/pl.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-pl\"><\/i> Polskie <\/a> <\/li>\n <\/ul>\n<\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <div class=\"header-area inside_pages_site\">\n <div class=\"navbar-area\">\n <div class=\"main-responsive-nav\">\n <div class=\"w1200\">\n <div class=\"mobile-nav\"> <a href=\"https:\/\/fa.covna-china.com\/\" class=\"logo\"> <img src=\"\/\/v4-upload.goalsites.com\/728\/image_1629961935_logo.jpg\" alt=\"\u0639\u0627\u0644\u06cc\" width=\"140\" height=\"24\"><\/a>\n <ul class=\"menu-sidebar menu-small-device\">\n<li> <i class=\"fa fa-search\"><\/i>\n <div class=\"m-search-box search_g_box\">\n <form action=\"\/search\/products\" method=\"GET\"> <input type=\"text\" name=\"keyword\" placeholder=\"\u062c\u0633\u062a\u062c\u0648...\" required><button type=\"submit\"><i class=\"fa fa-search\"><\/i><\/button> <\/form>\n <\/div>\n <\/li>\n <\/ul>\n<div class=\"switch-mobile-nav-btn d-lg-block\">\n <div class=\"m-switch\"> <i class=\"fa fa-bars\"><\/i> <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <div class=\"main-nav\">\n <div class=\"w1200\">\n <nav class=\"navbar navbar-expand-md navbar-light\"><a class=\"navbar-brand\" href=\"https:\/\/fa.covna-china.com\/\"> <img src=\"\/\/v4-upload.goalsites.com\/728\/image_1637048804_logo.png\" alt=\"\u0639\u0627\u0644\u06cc\" width=\"140\" height=\"24\" class=\"logo1 logo\"><img src=\"\/\/v4-upload.goalsites.com\/728\/image_1629961935_logo.jpg\" alt=\"\u0639\u0627\u0644\u06cc\" width=\"140\" height=\"24\" class=\"logo2 logo\"><\/a>\n <div class=\"collapse navbar-collapse mean-menu\" id=\"navbarSupportedContent\">\n <ul class=\"navbar-nav\">\n<li class=\"nav-item\"> <a href=\"https:\/\/fa.covna-china.com\/\" class=\"nav-link dropdown-toggle\">\u062e\u0627\u0646\u0647<\/a> <\/li>\n <li class=\"nav-item has_box\"> <a href=\"https:\/\/fa.covna-china.com\/products\/all.html\" class=\"nav-link dropdown-toggle\">\u0645\u062d\u0635\u0648\u0644\u0627\u062a<i class=\"fa fa-caret-down\"><\/i><\/a>\n <div class=\"dropdown-menu sub_box\">\n <div class=\"list-title text-left\"> <a href=\"https:\/\/fa.covna-china.com\/products\/all.html\"> <span>\u0645\u062d\u0635\u0648\u0644\u0627\u062a<\/span> <\/a> <\/div>\n <div class=\"row\">\n <div class=\"col-lg-4 col-md-4 col-sm-6 col-xs-12 col-12 sub_item\"> <a href=\"https:\/\/fa.covna-china.com\/products\/electric-actuated-valve.html\">\n <div class=\"sub_item_img\"> <img src=\"\/\/v4-upload.goalsites.com\/728\/image_1639556005_image_1638174527_Pneumatic-Valve.jpg?imageView2\/1\/w\/80\/h\/80\/format\/webp\" alt=\"\u0634\u06cc\u0631 \u0641\u0639\u0627\u0644 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc\">\n<\/div> <span>\u0634\u06cc\u0631 \u0641\u0639\u0627\u0644 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc<\/span>\n <\/a> <\/div>\n <div class=\"col-lg-4 col-md-4 col-sm-6 col-xs-12 col-12 sub_item\"> <a href=\"https:\/\/fa.covna-china.com\/products\/pneumatic-actuated-valve.html\">\n <div class=\"sub_item_img\"> <img src=\"\/\/v4-upload.goalsites.com\/728\/image_1638174547_Electric-valve.jpg?imageView2\/1\/w\/80\/h\/80\/format\/webp\" alt=\"\u0634\u06cc\u0631 \u0639\u0645\u0644 \u067e\u0646\u0648\u0645\u0627\u062a\u06cc\u06a9\">\n<\/div> <span>\u0634\u06cc\u0631 \u0639\u0645\u0644 \u067e\u0646\u0648\u0645\u0627\u062a\u06cc\u06a9<\/span>\n <\/a> <\/div>\n <div class=\"col-lg-4 col-md-4 col-sm-6 col-xs-12 col-12 sub_item\"> <a href=\"https:\/\/fa.covna-china.com\/products\/solenoid-valve.html\">\n <div class=\"sub_item_img\"> <img src=\"\/\/v4-upload.goalsites.com\/728\/image_1637133618_Solenoid-valve.jpg?imageView2\/1\/w\/80\/h\/80\/format\/webp\" alt=\"\u0634\u06cc\u0631 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(s = \"\u05e2\u05b4\u05d1\u05e8\u05b4\u05d9\u05ea\", e && (e.removeAttribute(\"class\"), e.setAttribute(\"class\", \"flag-icon flag-icon-il\"))) : \/^(el\\.)\/.test(t) ? (s = \"\u03b5\u03bb\u03bb\u03b7\u03bd\u03b9\u03ba\u03ac\", e && (e.removeAttribute(\"class\"), e.setAttribute(\"class\", \"flag-icon flag-icon-gr\"))) : \/^(hu\\.)\/.test(t) ? (s = \"Magyar\", e && (e.removeAttribute(\"class\"), e.setAttribute(\"class\", \"flag-icon flag-icon-hu\"))) : \/^(bg\\.)\/.test(t) ? (s = \"\u0431\u044a\u043b\u0433\u0430\u0440\u0441\u043a\u0438\", e && (e.removeAttribute(\"class\"), e.setAttribute(\"class\", \"flag-icon flag-icon-bg\"))) : \/^(af\\.)\/.test(t) ? (s = \"Afrikaans \", e && (e.removeAttribute(\"class\"), e.setAttribute(\"class\", \"flag-icon flag-icon-za\"))) : \/^(bs\\.)\/.test(t) ? (s = \"Bosanski\", e && (e.removeAttribute(\"class\"), e.setAttribute(\"class\", \"flag-icon flag-icon-ba\"))) : \/^(fa\\.)\/.test(t) ? (s = \"\u0641\u0627\u0631\u0633\u06cc \", e && (e.removeAttribute(\"class\"), e.setAttribute(\"class\", \"flag-icon flag-icon-ir\"))) : \/^(da\\.)\/.test(t) ? (s = \"Danske\", e && (e.removeAttribute(\"class\"), e.setAttribute(\"class\", \"flag-icon flag-icon-dk\"))) : \/^(fi\\.)\/.test(t) ? (s = \"Suomi\", e && (e.removeAttribute(\"class\"), e.setAttribute(\"class\", \"flag-icon flag-icon-fi\"))) : \/^(id\\.)\/.test(t) ? (s = \"bahasa Indonesia\", e && (e.removeAttribute(\"class\"), e.setAttribute(\"class\", \"flag-icon flag-icon-id\"))) : \/^(pl\\.)\/.test(t) && (s = \"Polskie\", e && (e.removeAttribute(\"class\"), e.setAttribute(\"class\", \"flag-icon flag-icon-pl\"))), a && (a.innerHTML = s)\n }()\n <\/script><style>\n [lang=da] .blog-nav-pills a,\n [lang=de] .blog-nav-pills a,\n [lang=mt] .blog-nav-pills a,\n [lang=ru] .blog-nav-pills a,\n [lang=vi] .blog-nav-pills a {\n width: auto;\n padding: 0 20px\n }\n <\/style>\n<div class=\"blog blog-bg pt-80 pb-70\">\n <div class=\"w1200\">\n <div class=\"blog-section\">\n <ul class=\"blog-nav-pills wow fadeInUp\">\n<li class=\"nav-item\"> <a href=\"https:\/\/fa.covna-china.com\/articles\/company-news.html\">\u0627\u062e\u0628\u0627\u0631 \u0634\u0631\u06a9\u062a<\/a> <\/li>\n <li class=\"nav-item\"> <a href=\"https:\/\/fa.covna-china.com\/articles\/industry-news.html\">\u0627\u062e\u0628\u0627\u0631 \u0635\u0646\u0639\u062a<\/a> <\/li>\n <li class=\"nav-item active\"> <a href=\"https:\/\/fa.covna-china.com\/articles\/valves-study.html\">\u0645\u0637\u0627\u0644\u0639\u0647 \u0634\u06cc\u0631\u0647\u0627<\/a> <\/li>\n <\/ul>\n<div class=\"row\">\n <div class=\"blog-card col-lg-4 col-md-6 col-12 wow fadeInUp\"> <a href=\"https:\/\/fa.covna-china.com\/article\/features-of-knife-gate-valve.html\" title=\"\u0648\u06cc\u0698\u06af\u06cc \u0647\u0627\u06cc \u0634\u06cc\u0631 \u062f\u0631\u0648\u0627\u0632\u0647 \u0686\u0627\u0642\u0648\"> <img class=\"lazy\" alt=\"\u0648\u06cc\u0698\u06af\u06cc \u0647\u0627\u06cc \u0634\u06cc\u0631 \u062f\u0631\u0648\u0627\u0632\u0647 \u0686\u0627\u0642\u0648\" src=\"\/\/v4-assets.goalsites.com\/yexuming\/icon\/loading1.gif\" data-original=\"?imageView2\/1\/w\/376\/h\/251\/format\/webp\" width=\"376\" height=\"251\"><\/a>\n <div class=\"blog-text\">\n <div class=\"blog-date\">\n <ul>\n<li> <i class=\"far fa-calendar-alt\"><\/i> <span>\u0627\u06a9\u062a\u0628\u0631 24, 2022<\/span>\n<\/li>\n <\/ul>\n<\/div>\n <h4> <a href=\"https:\/\/fa.covna-china.com\/article\/features-of-knife-gate-valve.html\" title=\"\u0648\u06cc\u0698\u06af\u06cc \u0647\u0627\u06cc \u0634\u06cc\u0631 \u062f\u0631\u0648\u0627\u0632\u0647 \u0686\u0627\u0642\u0648\">\u0648\u06cc\u0698\u06af\u06cc \u0647\u0627\u06cc \u0634\u06cc\u0631 \u062f\u0631\u0648\u0627\u0632\u0647 \u0686\u0627\u0642\u0648<\/a> <\/h4>\n <p>\u0634\u06cc\u0631 \u062f\u0631\u0648\u0627\u0632\u0647 \u0686\u0627\u0642\u0648 \u0646\u06cc\u0632 \u0634\u06cc\u0631 \u062f\u0631\u0648\u0627\u0632\u0647 \u0686\u0627\u0642\u0648\u060c \u062f\u0631\u06cc\u0686\u0647 \u062f\u0631\u0648\u0627\u0632\u0647 \u0686\u0627\u0642\u0648\u060c \u0634\u06cc\u0631 \u062f\u0648\u063a\u0627\u0628 \u0648 \u0634\u06cc\u0631 \u06af\u0644\u06cc \u0646\u0627\u0645\u06cc\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f. \u0642\u0633\u0645\u062a \u0647\u0627\u06cc \u0628\u0627\u0632 \u0648 \u0628\u0633\u062a\u0647 \u0634\u062f\u0646 \u0622\u0646 \u0635\u0641\u062d\u0627\u062a \u06af\u06cc\u062a \u0647\u0633\u062a\u0646\u062f. \u062c\u0647\u062a \u062d\u0631\u06a9\u062a \u0635\u0641\u062d\u0647 \u06af\u06cc\u062a \u0639\u0645\u0648\u062f \u0628\u0631 \u062c\u0647\u062a \u0633\u06cc\u0627\u0644 \u0627\u0633\u062a. \u0645\u062d\u06cc\u0637 \u062a\u0648\u0633\u0637 \u06cc\u06a9 \u062f\u0631\u0648\u0627\u0632\u0647 \u0644\u0628\u0647 \u0686\u0627\u0642\u0648 \u0642\u0637\u0639 \u0645\u06cc \u0634\u0648\u062f \u06a9\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0645\u0648\u0627\u062f \u0641\u06cc\u0628\u0631\u06cc \u0631\u0627 \u0642\u0637\u0639 \u06a9\u0646\u062f. \u0635\u0641\u062d\u0647 \u062f\u0631\u0648\u0627\u0632\u0647 \u062f\u0627\u0631\u0627\u06cc \u062f\u0648 \u0633\u0637\u062d \u0622\u0628 \u0628\u0646\u062f\u06cc \u0627\u0633\u062a. \u062f\u0648 \u0633\u0637\u062d \u0622\u0628 \u0628\u0646\u062f\u06cc \u0631\u0627\u06cc\u062c \u062a\u0631\u06cc\u0646 \u062d\u0627\u0644\u062a \u062f\u0631\u06cc\u0686\u0647 \u062f\u0631\u0648\u0627\u0632\u0647 \u0641\u0631\u0645 w<\/p> <a class=\"read-more-btn\" href=\"https:\/\/fa.covna-china.com\/article\/features-of-knife-gate-valve.html\">\u0627\u062f\u0627\u0645\u0647 >><\/a>\n <\/div>\n <\/div>\n <div class=\"blog-card col-lg-4 col-md-6 col-12 wow fadeInUp\"> <a href=\"https:\/\/fa.covna-china.com\/article\/what-is-electric-control-valve.html\" title=\"\u0634\u06cc\u0631 \u06a9\u0646\u062a\u0631\u0644 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc \u0686\u06cc\u0647\u061f\"> <img class=\"lazy\" alt=\"\u0634\u06cc\u0631 \u06a9\u0646\u062a\u0631\u0644 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc \u0686\u06cc\u0647\u061f\" src=\"\/\/v4-assets.goalsites.com\/yexuming\/icon\/loading1.gif\" data-original=\"\/\/v4-upload.goalsites.com\/728\/image_1629961935_logo.jpg?imageView2\/1\/w\/376\/h\/251\/format\/webp\" width=\"376\" height=\"251\"><\/a>\n <div class=\"blog-text\">\n <div class=\"blog-date\">\n <ul>\n<li> <i class=\"far fa-calendar-alt\"><\/i> <span>\u0627\u06a9\u062a\u0628\u0631 24, 2022<\/span>\n<\/li>\n <\/ul>\n<\/div>\n <h4> <a href=\"https:\/\/fa.covna-china.com\/article\/what-is-electric-control-valve.html\" title=\"\u0634\u06cc\u0631 \u06a9\u0646\u062a\u0631\u0644 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc \u0686\u06cc\u0647\u061f\">\u0634\u06cc\u0631 \u06a9\u0646\u062a\u0631\u0644 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc \u0686\u06cc\u0647\u061f<\/a> <\/h4>\n <p>\u0634\u06cc\u0631 \u06a9\u0646\u062a\u0631\u0644 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc \u06cc\u06a9 \u062f\u0631\u06cc\u0686\u0647 \u0647\u06cc\u062f\u0631\u0648\u0644\u06cc\u06a9\u06cc \u0639\u0645\u0644 \u0634\u062f\u0647 \u0628\u0627 \u062f\u0631\u06cc\u0686\u0647 \u0633\u0644\u0646\u0648\u0626\u06cc\u062f \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u062f\u0631\u06cc\u0686\u0647 \u0631\u0627\u0647\u0646\u0645\u0627 \u0627\u0633\u062a. \u0627\u063a\u0644\u0628 \u0628\u0631\u0627\u06cc \u06a9\u0646\u062a\u0631\u0644 \u062e\u0648\u062f\u06a9\u0627\u0631 \u062f\u0631 \u0622\u0628 \u0631\u0633\u0627\u0646\u06cc \u0648 \u0632\u0647\u06a9\u0634\u06cc \u0648 \u0633\u06cc\u0633\u062a\u0645 \u0647\u0627\u06cc \u0635\u0646\u0639\u062a\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f. \u067e\u0627\u0633\u062e \u06a9\u0646\u062a\u0631\u0644 \u062f\u0642\u06cc\u0642 \u0648 \u0633\u0631\u06cc\u0639 \u0627\u0633\u062a \u0648 \u0633\u06cc\u0633\u062a\u0645 \u062e\u0637 \u0644\u0648\u0644\u0647 \u0627\u0632 \u0631\u0627\u0647 \u062f\u0648\u0631 \u0628\u0627 \u062a\u0648\u062c\u0647 \u0628\u0647 \u0633\u06cc\u06af\u0646\u0627\u0644 \u0647\u0627\u06cc \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc \u0628\u0627\u0632 \u0648 \u0628\u0633\u062a\u0647 \u0645\u06cc \u0634\u0648\u062f \u062a\u0627 \u0639\u0645\u0644\u06cc\u0627\u062a \u0627\u0632 \u0631\u0627\u0647 \u062f\u0648\u0631 \u062a\u062d\u0642\u0642 \u067e\u06cc\u062f\u0627 \u06a9\u0646\u062f. \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u062f\u0631\u06cc\u0686\u0647 \u062f\u0631\u0648\u0627\u0632\u0647 \u0648 \u062f\u0631\u06cc\u0686\u0647 \u067e\u0631\u0648\u0627\u0646\u0647 \u0631\u0627 \u0628\u0631\u0627\u06cc \u0639\u0627\u0645\u0644 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc \u0628\u0632\u0631\u06af \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646<\/p> <a class=\"read-more-btn\" href=\"https:\/\/fa.covna-china.com\/article\/what-is-electric-control-valve.html\">\u0627\u062f\u0627\u0645\u0647 >><\/a>\n <\/div>\n <\/div>\n <div class=\"blog-card col-lg-4 col-md-6 col-12 wow fadeInUp\"> <a href=\"https:\/\/fa.covna-china.com\/article\/the-difference-between-air-operated-valve-and-electric-valve.html\" title=\"\u062a\u0641\u0627\u0648\u062a \u0634\u06cc\u0631 \u0639\u0645\u0644\u06cc\u0627\u062a\u06cc \u0647\u0648\u0627 \u0628\u0627 \u0634\u06cc\u0631 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc\"> <img class=\"lazy\" alt=\"\u062a\u0641\u0627\u0648\u062a \u0634\u06cc\u0631 \u0639\u0645\u0644\u06cc\u0627\u062a\u06cc \u0647\u0648\u0627 \u0628\u0627 \u0634\u06cc\u0631 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc\" src=\"\/\/v4-assets.goalsites.com\/yexuming\/icon\/loading1.gif\" data-original=\"\/\/v4-upload.goalsites.com\/728\/image_1629961935_logo.jpg?imageView2\/1\/w\/376\/h\/251\/format\/webp\" width=\"376\" height=\"251\"><\/a>\n <div class=\"blog-text\">\n <div class=\"blog-date\">\n <ul>\n<li> <i class=\"far fa-calendar-alt\"><\/i> <span>\u0627\u06a9\u062a\u0628\u0631 24, 2022<\/span>\n<\/li>\n <\/ul>\n<\/div>\n <h4> <a href=\"https:\/\/fa.covna-china.com\/article\/the-difference-between-air-operated-valve-and-electric-valve.html\" title=\"\u062a\u0641\u0627\u0648\u062a \u0634\u06cc\u0631 \u0639\u0645\u0644\u06cc\u0627\u062a\u06cc \u0647\u0648\u0627 \u0628\u0627 \u0634\u06cc\u0631 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc\">\u062a\u0641\u0627\u0648\u062a \u0634\u06cc\u0631 \u0639\u0645\u0644\u06cc\u0627\u062a\u06cc \u0647\u0648\u0627 \u0628\u0627 \u0634\u06cc\u0631 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc<\/a> <\/h4>\n <p>\u062f\u0631\u06cc\u0686\u0647 \u067e\u0646\u0648\u0645\u0627\u062a\u06cc\u06a9 \u062f\u0631\u06cc\u0686\u0647 \u0627\u06cc \u0627\u0633\u062a \u06a9\u0647 \u062a\u0648\u0633\u0637 \u0647\u0648\u0627\u06cc \u0641\u0634\u0631\u062f\u0647 \u0631\u0627\u0646\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f. \u062f\u0631 \u0647\u0646\u06af\u0627\u0645 \u062e\u0631\u06cc\u062f \u0634\u06cc\u0631\u0647\u0627\u06cc \u067e\u0646\u0648\u0645\u0627\u062a\u06cc\u06a9\u060c \u062a\u0646\u0647\u0627 \u0644\u0627\u0632\u0645 \u0627\u0633\u062a \u0645\u0634\u062e\u0635\u0627\u062a\u060c \u0627\u0646\u0648\u0627\u0639\u060c \u0648 \u0641\u0634\u0627\u0631\u0647\u0627\u06cc \u06a9\u0627\u0631\u06cc \u0628\u0631\u0627\u06cc \u067e\u0627\u0633\u062e\u06af\u0648\u06cc\u06cc \u0628\u0647 \u0627\u0644\u0632\u0627\u0645\u0627\u062a \u062e\u0631\u06cc\u062f \u0645\u0634\u062e\u0635 \u0634\u0648\u062f. \u062c\u0631\u06cc\u0627\u0646. \u062a\u0641\u0627\u0648\u062a \u062f\u0631\u06cc\u0686\u0647 \u067e\u0646\u0648\u0645\u0627\u062a\u06cc\u06a9 \u0628\u0627 \u0634\u06cc\u0631 \u0633\u0644\u0646\u0648\u0626\u06cc\u062f \u062a\u0641\u0627\u0648\u062a \u0645\u0646\u0628\u0639 \u0633\u06cc\u06af\u0646\u0627\u0644 \u0627\u0633\u062a. \u0634\u06cc\u0631 \u0633\u0644\u0646\u0648\u0626\u06cc\u062f \u0627\u0632 \u0628\u0631\u0642 \u0628\u0631\u0627\u06cc \u06a9\u0646\u062a\u0631\u0644 \u06af\u0627\u0632 \u062e\u0644\u0628\u0627\u0646 \u0628\u0631\u0627\u06cc \u0647\u0644 \u062f\u0627\u062f\u0646 \u0647\u0633\u062a\u0647 \u062f\u0631\u06cc\u0686\u0647 \u0628\u0631\u0627\u06cc \u062a\u063a\u06cc\u06cc\u0631 \u0648\u062e\u06cc\u0645 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u062f<\/p> <a class=\"read-more-btn\" href=\"https:\/\/fa.covna-china.com\/article\/the-difference-between-air-operated-valve-and-electric-valve.html\">\u0627\u062f\u0627\u0645\u0647 >><\/a>\n <\/div>\n <\/div>\n <div class=\"blog-card col-lg-4 col-md-6 col-12 wow fadeInUp\"> <a href=\"https:\/\/fa.covna-china.com\/article\/what-are-the-advantages-of-gate-valve.html\" title=\"\u0634\u06cc\u0631 \u062f\u0631\u0648\u0627\u0632\u0647 \u0686\u0647 \u0645\u0632\u0627\u06cc\u0627\u06cc\u06cc \u062f\u0627\u0631\u062f\u061f\"> <img class=\"lazy\" alt=\"\u0634\u06cc\u0631 \u062f\u0631\u0648\u0627\u0632\u0647 \u0686\u0647 \u0645\u0632\u0627\u06cc\u0627\u06cc\u06cc \u062f\u0627\u0631\u062f\u061f\" src=\"\/\/v4-assets.goalsites.com\/yexuming\/icon\/loading1.gif\" data-original=\"\/\/v4-upload.goalsites.com\/728\/image_1630029199_t-video.jpg?imageView2\/1\/w\/376\/h\/251\/format\/webp\" width=\"376\" height=\"251\"><\/a>\n <div class=\"blog-text\">\n <div class=\"blog-date\">\n <ul>\n<li> <i class=\"far fa-calendar-alt\"><\/i> <span>\u06cc\u062f\u0644\u0627\u06cc\u0645\u062e\u06cc\u0631\u0627\u062a 2022 \u0633\u067e\u062a\u0627\u0645\u0628\u0631 07<\/span>\n<\/li>\n <\/ul>\n<\/div>\n <h4> <a href=\"https:\/\/fa.covna-china.com\/article\/what-are-the-advantages-of-gate-valve.html\" title=\"\u0634\u06cc\u0631 \u062f\u0631\u0648\u0627\u0632\u0647 \u0686\u0647 \u0645\u0632\u0627\u06cc\u0627\u06cc\u06cc \u062f\u0627\u0631\u062f\u061f\">\u0634\u06cc\u0631 \u062f\u0631\u0648\u0627\u0632\u0647 \u0686\u0647 \u0645\u0632\u0627\u06cc\u0627\u06cc\u06cc \u062f\u0627\u0631\u062f\u061f<\/a> <\/h4>\n <p>1. \u0645\u0642\u0627\u0648\u0645\u062a \u062f\u0631 \u0628\u0631\u0627\u0628\u0631 \u062c\u0631\u06cc\u0627\u0646 \u06a9\u0648\u0686\u06a9. \u06a9\u0627\u0646\u0627\u0644 \u0645\u062a\u0648\u0633\u0637 \u062f\u0627\u062e\u0644 \u0628\u062f\u0646\u0647 \u0634\u06cc\u0631 \u0645\u0633\u062a\u0642\u06cc\u0645 \u0627\u0633\u062a\u060c \u0645\u062d\u06cc\u0637 \u062f\u0631 \u06cc\u06a9 \u062e\u0637 \u0645\u0633\u062a\u0642\u06cc\u0645 \u062c\u0631\u06cc\u0627\u0646 \u062f\u0627\u0631\u062f\u060c \u0648 \u0645\u0642\u0627\u0648\u0645\u062a \u062c\u0631\u06cc\u0627\u0646 \u06a9\u0648\u0686\u06a9 \u0627\u0633\u062a. \u06f2- \u062f\u0631 \u0647\u0646\u06af\u0627\u0645 \u0628\u0627\u0632 \u0648 \u0628\u0633\u062a\u0647 \u0634\u062f\u0646 \u0628\u06cc\u0634\u062a\u0631 \u0635\u0631\u0641\u0647 \u062c\u0648\u06cc\u06cc \u062f\u0631 \u0646\u06cc\u0631\u0648\u06cc \u06a9\u0627\u0631 \u0627\u0633\u062a. \u062f\u0631 \u0645\u0642\u0627\u06cc\u0633\u0647 \u0628\u0627 \u062f\u0631\u06cc\u0686\u0647 \u06a9\u0631\u0647 \u0632\u0645\u06cc\u0646\u060c \u0686\u0648\u0646 \u0686\u0647 \u0628\u0627\u0632 \u0628\u0627\u0634\u062f \u0648 \u0686\u0647 \u0628\u0633\u062a\u0647\u060c \u062c\u0647\u062a \u062d\u0631\u06a9\u062a \u062f\u0631\u0648\u0627\u0632\u0647 \u0639\u0645\u0648\u062f \u0628\u0631 \u062c\u0647\u062a \u062c\u0631\u06cc\u0627\u0646 \u0645\u062d\u06cc\u0637 \u0627\u0633\u062a. 3. \u0627\u0631\u062a\u0641\u0627\u0639 \u0628\u0632\u0631\u06af \u0627\u0633\u062a \u0648 \u0628\u0627\u0632 \u0648 \u0628\u0633\u062a\u0647 ti<\/p> <a class=\"read-more-btn\" href=\"https:\/\/fa.covna-china.com\/article\/what-are-the-advantages-of-gate-valve.html\">\u0627\u062f\u0627\u0645\u0647 >><\/a>\n <\/div>\n <\/div>\n <div class=\"blog-card col-lg-4 col-md-6 col-12 wow fadeInUp\"> <a href=\"https:\/\/fa.covna-china.com\/article\/do-you-know-the-difference-between-electric-valve-and-solenoid-valve.html\" title=\"\u0622\u06cc\u0627 \u062a\u0641\u0627\u0648\u062a \u062f\u0631\u06cc\u0686\u0647 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc \u0648 \u0634\u06cc\u0631 \u0633\u0644\u0646\u0648\u0626\u06cc\u062f \u0631\u0627 \u0645\u06cc \u062f\u0627\u0646\u06cc\u062f\u061f\"> <img class=\"lazy\" alt=\"\u0622\u06cc\u0627 \u062a\u0641\u0627\u0648\u062a \u062f\u0631\u06cc\u0686\u0647 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc \u0648 \u0634\u06cc\u0631 \u0633\u0644\u0646\u0648\u0626\u06cc\u062f \u0631\u0627 \u0645\u06cc \u062f\u0627\u0646\u06cc\u062f\u061f\" src=\"\/\/v4-assets.goalsites.com\/yexuming\/icon\/loading1.gif\" data-original=\"\/\/v4-upload.goalsites.com\/728\/image_1630029164_about_icon2.png?imageView2\/1\/w\/376\/h\/251\/format\/webp\" width=\"376\" height=\"251\"><\/a>\n <div class=\"blog-text\">\n <div class=\"blog-date\">\n <ul>\n<li> <i class=\"far fa-calendar-alt\"><\/i> <span>\u06cc\u062f\u0644\u0627\u06cc\u0645\u062e\u06cc\u0631\u0627\u062a 2022 \u0633\u067e\u062a\u0627\u0645\u0628\u0631 07<\/span>\n<\/li>\n <\/ul>\n<\/div>\n <h4> <a href=\"https:\/\/fa.covna-china.com\/article\/do-you-know-the-difference-between-electric-valve-and-solenoid-valve.html\" title=\"\u0622\u06cc\u0627 \u062a\u0641\u0627\u0648\u062a \u062f\u0631\u06cc\u0686\u0647 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc \u0648 \u0634\u06cc\u0631 \u0633\u0644\u0646\u0648\u0626\u06cc\u062f \u0631\u0627 \u0645\u06cc \u062f\u0627\u0646\u06cc\u062f\u061f\">\u0622\u06cc\u0627 \u062a\u0641\u0627\u0648\u062a \u062f\u0631\u06cc\u0686\u0647 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc \u0648 \u0634\u06cc\u0631 \u0633\u0644\u0646\u0648\u0626\u06cc\u062f \u0631\u0627 \u0645\u06cc \u062f\u0627\u0646\u06cc\u062f\u061f<\/a> <\/h4>\n <p>1. \u0634\u06cc\u0631 solenoid \u062f\u0627\u0631\u0627\u06cc \u0639\u0645\u0644\u06a9\u0631\u062f \u0636\u062f \u0646\u0634\u062a \u0639\u0627\u0644\u06cc, \u0628\u0627\u0632 \u0645\u06cc \u0634\u0648\u062f \u0648 \u0628\u0633\u062a\u0647 \u0628\u0647 \u0633\u0631\u0639\u062a, \u0648 \u0642\u062f\u0631\u062a \u067e\u0627\u06cc\u06cc\u0646. \u0628\u0631\u0627\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0642\u0637\u0639 \u062f\u0631 \u0628\u0631\u062e\u06cc \u0627\u0632 \u062e\u0637\u0648\u0637 \u0644\u0648\u0644\u0647 \u0634\u06cc\u0645\u06cc\u0627\u06cc\u06cc \u0645\u0627\u0646\u0646\u062f \u062e\u0648\u0631\u062f\u06af\u06cc \u0648 \u0633\u0645\u06cc\u062a \u0645\u0646\u0627\u0633\u0628 \u0627\u0633\u062a\u061b \u0634\u06cc\u0631\u0647\u0627\u06cc \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc \u0628\u06cc\u0634\u062a\u0631 \u0628\u0631\u0627\u06cc \u062a\u0646\u0638\u06cc\u0645 \u062c\u0631\u06cc\u0627\u0646 \u062e\u0637 \u0644\u0648\u0644\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u0646\u062f\u060c \u0648 \u0628\u0647 \u0637\u0648\u0631 \u0645\u0639\u0645\u0648\u0644 \u062f\u0631 \u062a\u0623\u0645\u06cc\u0646 \u0647\u0648\u0627 \u0648 \u062a\u0628\u0631\u06cc\u062f \u0646\u0635\u0628 \u0645\u06cc \u0634\u0648\u0646\u062f. \u062e\u0631\u0648\u062c\u06cc \u0647\u0648\u0627\u06cc\u06cc \u062e\u0637 \u0644\u0648\u0644\u0647 \u0646\u06cc\u0632 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u062f\u0631 \u062e\u0637\u0648\u0637 \u0644\u0648\u0644\u0647 \u0645\u0627\u06cc\u0639 \u0645\u0648\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0642\u0631\u0627\u0631 \u06af\u06cc\u0631\u062f\u060c \u0648 \u0628\u0647 \u0637\u0648\u0631 \u06af\u0633\u062a\u0631\u062f\u0647 \u0627\u06cc \u062f\u0631 \u06a9\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f<\/p> <a class=\"read-more-btn\" href=\"https:\/\/fa.covna-china.com\/article\/do-you-know-the-difference-between-electric-valve-and-solenoid-valve.html\">\u0627\u062f\u0627\u0645\u0647 >><\/a>\n <\/div>\n <\/div>\n <div class=\"blog-card col-lg-4 col-md-6 col-12 wow fadeInUp\"> <a href=\"https:\/\/fa.covna-china.com\/article\/what-is-the-function-of-the-electric-gate-valve.html\" title=\"\u0639\u0645\u0644\u06a9\u0631\u062f \u062f\u0631\u06cc\u0686\u0647 \u062f\u0631\u0648\u0627\u0632\u0647 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc \u0686\u0647 \u0645\u06cc \u0628\u0627\u0634\u062f\u061f\"> <img class=\"lazy\" alt=\"\u0639\u0645\u0644\u06a9\u0631\u062f \u062f\u0631\u06cc\u0686\u0647 \u062f\u0631\u0648\u0627\u0632\u0647 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc \u0686\u0647 \u0645\u06cc \u0628\u0627\u0634\u062f\u061f\" src=\"\/\/v4-assets.goalsites.com\/yexuming\/icon\/loading1.gif\" data-original=\"\/\/v4-upload.goalsites.com\/728\/image_1637137206_electric-3-piece-weld-ball-valve-300x300.png?imageView2\/1\/w\/376\/h\/251\/format\/webp\" width=\"376\" height=\"251\"><\/a>\n <div class=\"blog-text\">\n <div class=\"blog-date\">\n <ul>\n<li> <i class=\"far fa-calendar-alt\"><\/i> <span>\u06cc\u062f\u0644\u0627\u06cc\u0645\u062e\u06cc\u0631\u0627\u062a 2022 \u0633\u067e\u062a\u0627\u0645\u0628\u0631 07<\/span>\n<\/li>\n <\/ul>\n<\/div>\n <h4> <a href=\"https:\/\/fa.covna-china.com\/article\/what-is-the-function-of-the-electric-gate-valve.html\" title=\"\u0639\u0645\u0644\u06a9\u0631\u062f \u062f\u0631\u06cc\u0686\u0647 \u062f\u0631\u0648\u0627\u0632\u0647 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc \u0686\u0647 \u0645\u06cc \u0628\u0627\u0634\u062f\u061f\">\u0639\u0645\u0644\u06a9\u0631\u062f \u062f\u0631\u06cc\u0686\u0647 \u062f\u0631\u0648\u0627\u0632\u0647 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc \u0686\u0647 \u0645\u06cc \u0628\u0627\u0634\u062f\u061f<\/a> <\/h4>\n <p>\u062f\u0631\u06cc\u0686\u0647 \u062f\u0631\u0648\u0627\u0632\u0647 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc \u062f\u0631\u06cc\u0686\u0647 \u0627\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0628\u0647 \u0637\u0648\u0631 \u06af\u0633\u062a\u0631\u062f\u0647 \u0627\u06cc \u0645\u0648\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0642\u0631\u0627\u0631 \u0645\u06cc \u06af\u06cc\u0631\u062f\u060c \u06a9\u0647 \u0639\u0645\u062f\u062a\u0627\u064b \u062f\u0631 \u062a\u0646\u0638\u06cc\u0645 \u0622\u0646\u0627\u0644\u0648\u06af \u062c\u0631\u06cc\u0627\u0646 \u0645\u062a\u0648\u0633\u0637 \u062f\u0631 \u0633\u06cc\u0633\u062a\u0645 \u0647\u0627\u06cc \u0645\u0627\u06cc\u0639\u060c \u06af\u0627\u0632 \u0648 \u0628\u0627\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f\u060c \u0648 \u06a9\u0646\u062a\u0631\u0644 \u0647\u0648\u0634 \u0645\u0635\u0646\u0648\u0639\u06cc \u0627\u0633\u062a. \u062f\u0631 \u06a9\u0646\u062a\u0631\u0644 \u062f\u0631\u06cc\u0686\u0647 \u0647\u0627\u06cc \u0628\u0632\u0631\u06af \u0648 \u0633\u06cc\u0633\u062a\u0645 \u0647\u0627\u06cc \u0628\u0627\u062f\u06cc \u0646\u06cc\u0632 \u0645\u06cc \u062a\u0648\u0627\u0646 \u0627\u0632 \u0634\u06cc\u0631\u0647\u0627\u06cc \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc \u0628\u0631\u0627\u06cc \u06a9\u0646\u062a\u0631\u0644 \u0633\u0648\u0626\u06cc\u0686 \u062f\u0648 \u0645\u0648\u0642\u0639\u06cc\u062a\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0631\u062f. \u0627\u0635\u0644 \u0639\u0645\u0644\u06cc\u0627\u062a\u06cc \u062f\u0631\u06cc\u0686\u0647 \u062f\u0631\u0648\u0627\u0632\u0647 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc \u0627\u06cc\u0646 \u0627\u0633\u062a \u06a9\u0647 \u062f\u0631\u06cc\u0686\u0647 \u062f\u0631\u0648\u0627\u0632\u0647 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc \u0645\u0639\u0645\u0648\u0644\u0627\u064b \u062a\u0648\u0633\u0637 \u06cc\u06a9 \u0639\u0645\u0644\u06af\u0631 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc \u0628\u0647 \u0647\u0645 \u0645\u062a\u0635\u0644 \u0645\u06cc \u0634\u0648\u0646\u062f \u0648 \u0634\u06cc\u0631\u060c \u06cc\u06a9<\/p> <a class=\"read-more-btn\" href=\"https:\/\/fa.covna-china.com\/article\/what-is-the-function-of-the-electric-gate-valve.html\">\u0627\u062f\u0627\u0645\u0647 >><\/a>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <div class=\"col-lg-12 col-md-12 col-12 pagination-box wow fadeInUp\">\n <nav aria-label=\"Page navigation example\"><ul class=\"pagination\">\n<li class=\"active\"><a href=\"javascript:void(0);\">1<\/a><\/li>\n <li><a href=\"https:\/\/fa.covna-china.com\/articles\/valves-study\/2.html\">2<\/a><\/li>\n <li><a 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