{"body":"\n\n

\n\n\n\n\n\n| \u0161oup\u00e1tka COVNA\n<meta content='\"\u0161oup\u00e1tko,' pokud chcete zn cenu kontaktujte n name='\"description\"'>\n<meta content='\"\u0161oup\u00e1tko\"' name='\"keywords\"'>\n<meta property='\"og:url\"' content='\"https:\/\/www.covna-china.com\/dlp\/gate-valve.html\"'>\n<meta property='\"og:type\"' content='\"Organization\"'>\n<meta property='\"og:title\"' content='\"|' covna>\n<meta property='\"og:description\"' content='\"\u0161oup\u00e1tko,' pokud chcete zn cenu kontaktujte n>\n<meta property='\"og:image\"' content='\"https:\/\/seo-console-assets.goalsites.com\/uploads\/covna-china_com\/97eef4a6-fd54-4aae-96a5-51a985b3bce3.png?t=1666644798&x-oss-process=image\/resize,w_500,h_500\/format,webp\"'>\n<link rel='\"preload\"' as='\"image\"' href="%5C%22https:%5C/%5C/seo-console-assets.goalsites.com%5C/uploads%5C/covna-china_com%5C/97eef4a6-fd54-4aae-96a5-51a985b3bce3.png?t=1666644798&x-oss-process=image%5C/resize,w_500,h_500%5C/format,webp%5C%22">\n<link rel='\"shortcut' icon href="%5C%22https:%5C/%5C/seo-console-assets.goalsites.com%5C/uploads%5C/covna-china_com%5C/28281afb-cdb2-48b8-986b-53cc3d9f6301.png?t=1666644798&x-oss-process=image%5C/resize,w_32,h_32%5C/format,webp%5C%22">\n<link rel='\"preload\"' href="%5C%22https:%5C/%5C/fonts.googleapis.com%5C/css2?family=Open+Sans:ital,wght@0,300;0,400;0,600;0,700;0,800;1,300;1,400;1,600;1,700;1,800&display=swap%5C%22" as='\"font\"' crossorigin>\n<link rel='\"stylesheet\"' href="%5C%22https:%5C/%5C/cdn.staticfile.org%5C/tiny-slider%5C/2.9.3%5C/tiny-slider.css%5C%22">\n<style>\n :root {\n --primary: #0e97ff\n }\n\n body {\n margin: 0 !important\n }\n\n [digood-page-content] {\n height: 100vh;\n width: 100%;\n overflow-y: auto\n }\n\n [digood-page-content] *,\n [digood-page-content] ::after,\n [digood-page-content] ::before {\n box-sizing: border-box\n }\n\n [digood-page-content] section {\n display: block\n }\n\n [digood-page-content] [tabindex=\"-1\"]:focus:not(:focus-visible) {\n outline: 0 !important\n }\n\n [digood-page-content] h1,\n [digood-page-content] h2,\n [digood-page-content] h4,\n [digood-page-content] h5 {\n margin-top: 0;\n margin-bottom: .5rem\n }\n\n [digood-page-content] p {\n margin-top: 0;\n margin-bottom: 1rem;\n color: #555556;\n font-size: 16px;\n line-height: 1.6\n }\n\n [digood-page-content] a {\n color: inherit;\n text-decoration: none;\n background-color: transparent\n }\n\n [digood-page-content] a:hover {\n text-decoration: unset\n }\n\n [digood-page-content] img {\n vertical-align: middle;\n border-style: none\n }\n\n [digood-page-content] svg {\n overflow: hidden;\n vertical-align: middle\n }\n\n [digood-page-content] button {\n border-radius: 0\n }\n\n [digood-page-content] button:focus:not(:focus-visible) {\n outline: 0\n }\n\n [digood-page-content] button,\n [digood-page-content] input,\n [digood-page-content] textarea {\n margin: 0;\n font-family: inherit;\n font-size: inherit;\n line-height: inherit\n }\n\n [digood-page-content] button,\n [digood-page-content] input {\n overflow: visible\n }\n\n [digood-page-content] button {\n text-transform: none\n }\n\n [digood-page-content] [type=button],\n [digood-page-content] [type=submit],\n [digood-page-content] button {\n -webkit-appearance: button\n }\n\n [digood-page-content] [type=button]::-moz-focus-inner,\n [digood-page-content] [type=submit]::-moz-focus-inner,\n [digood-page-content] button::-moz-focus-inner {\n padding: 0;\n border-style: none\n }\n\n [digood-page-content] textarea {\n overflow: auto;\n resize: vertical\n }\n\n [digood-page-content] h1,\n [digood-page-content] h2,\n [digood-page-content] h4,\n [digood-page-content] h5 {\n margin-bottom: .5rem;\n font-weight: 500;\n line-height: 1.2\n }\n\n [digood-page-content] h1 {\n font-size: 2.5rem\n }\n\n [digood-page-content] h2 {\n font-size: 2rem\n }\n\n [digood-page-content] h4 {\n font-size: 1.5rem\n }\n\n [digood-page-content] h5 {\n font-size: 1.25rem\n }\n\n [digood-page-content] .text-center {\n text-align: center\n }\n\n [digood-page-content] ._img-fluid_1k55i_123 {\n width: 100%;\n max-width: 100%;\n height: auto\n }\n\n [digood-page-content] ._container_1k55i_128 {\n width: 100%;\n padding-right: 15px;\n padding-left: 15px;\n margin-right: auto;\n margin-left: auto\n }\n\n @media (min-width:576px) {\n [digood-page-content] ._container_1k55i_128 {\n max-width: 540px\n }\n }\n\n @media (min-width:768px) {\n [digood-page-content] ._container_1k55i_128 {\n max-width: 720px\n }\n }\n\n @media (min-width:992px) {\n [digood-page-content] ._container_1k55i_128 {\n max-width: 960px\n }\n }\n\n @media (min-width:1200px) {\n [digood-page-content] ._container_1k55i_128 {\n max-width: 1140px\n }\n }\n\n [digood-page-content] ._row_1k55i_160 {\n display: -ms-flexbox;\n display: flex;\n -ms-flex-wrap: wrap;\n flex-wrap: wrap;\n margin-right: -15px;\n margin-left: -15px\n }\n\n [digood-page-content] ._col-6_1k55i_167,\n [digood-page-content] ._col-lg-5_1k55i_174,\n [digood-page-content] ._col-lg-7_1k55i_175,\n [digood-page-content] ._col-md-3_1k55i_169,\n [digood-page-content] ._col-md-4_1k55i_170,\n [digood-page-content] ._col-md-5_1k55i_171,\n [digood-page-content] ._col-md-6_1k55i_172,\n [digood-page-content] ._col-md-7_1k55i_173,\n [digood-page-content] ._col-sm-4_1k55i_168 {\n position: relative;\n width: 100%;\n padding-right: 15px;\n padding-left: 15px\n }\n\n [digood-page-content] ._col-6_1k55i_167 {\n -ms-flex: 0 0 50%;\n flex: 0 0 50%;\n max-width: 50%\n }\n\n @media (min-width:576px) {\n [digood-page-content] ._col-sm-4_1k55i_168 {\n -ms-flex: 0 0 33.333333%;\n flex: 0 0 33.333333%;\n max-width: 33.333333%\n }\n }\n\n @media (min-width:768px) {\n [digood-page-content] ._col-md-3_1k55i_169 {\n -ms-flex: 0 0 25%;\n flex: 0 0 25%;\n max-width: 25%\n }\n\n [digood-page-content] ._col-md-4_1k55i_170 {\n -ms-flex: 0 0 33.333333%;\n flex: 0 0 33.333333%;\n max-width: 33.333333%\n }\n\n [digood-page-content] ._col-md-5_1k55i_171 {\n -ms-flex: 0 0 41.666667%;\n flex: 0 0 41.666667%;\n max-width: 41.666667%\n }\n\n [digood-page-content] ._col-md-6_1k55i_172 {\n -ms-flex: 0 0 50%;\n flex: 0 0 50%;\n max-width: 50%\n }\n\n [digood-page-content] ._col-md-7_1k55i_173 {\n -ms-flex: 0 0 58.333333%;\n flex: 0 0 58.333333%;\n max-width: 58.333333%\n }\n }\n\n @media (min-width:992px) {\n [digood-page-content] ._col-lg-5_1k55i_174 {\n -ms-flex: 0 0 41.666667%;\n flex: 0 0 41.666667%;\n max-width: 41.666667%\n }\n\n [digood-page-content] ._col-lg-7_1k55i_175 {\n -ms-flex: 0 0 58.333333%;\n flex: 0 0 58.333333%;\n max-width: 58.333333%\n }\n }\n\n [digood-page-content] ._card_1k55i_233 {\n position: relative;\n display: -ms-flexbox;\n display: flex;\n -ms-flex-direction: column;\n flex-direction: column;\n min-width: 0;\n 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: .1em;\n font-weight: 700;\n line-height: 1em\n }\n\n [digood-page-content] ._section-faq_1k55i_648 ._faq-info_1k55i_761 h2 {\n color: #343434;\n font-size: 32px;\n font-weight: 600;\n margin-top: 5px\n }\n\n [digood-page-content] ._section-faq_1k55i_648 ._faq-list_18vzw_465 ._faq-item_1k55i_652 {\n border: 0;\n border-bottom: 3px solid #f9f7f5\n }\n\n [digood-page-content] ._section-faq_1k55i_648 ._faq-list_18vzw_465 ._faq-item_1k55i_652 ._card-header_18vzw_353 {\n margin-bottom: 0;\n padding: 20px 30px;\n border: 0;\n background: 0 0\n }\n\n [digood-page-content] ._section-faq_1k55i_648 ._faq-list_18vzw_465 ._faq-item_1k55i_652 ._card-header_18vzw_353 h4 {\n margin-bottom: 0\n }\n\n [digood-page-content] ._section-faq_1k55i_648 ._faq-list_18vzw_465 ._faq-item_1k55i_652 ._card-header_18vzw_353 a {\n font-size: 18px;\n font-weight: 600;\n color: #343434;\n position: relative;\n display: block\n }\n\n [digood-page-content] ._section-faq_1k55i_648 ._faq-list_18vzw_465 ._faq-item_1k55i_652 ._card-header_18vzw_353 ._icon_1k55i_658 {\n position: absolute;\n right: 0;\n font-size: 24px\n }\n\n [digood-page-content] ._section-faq_1k55i_648 ._faq-list_18vzw_465 ._faq-item_1k55i_652 ._card-body_1k55i_245 {\n border: 0;\n padding: 0 30px 20px\n }\n\n [digood-page-content] ._section-faq_1k55i_648 ._faq-list_18vzw_465 ._faq-item_1k55i_652 ._card-body_1k55i_245 p {\n font-size: 16px;\n color: #555556\n }\n\n [digood-page-content] ._section-faq_1k55i_648 ._collapse_18vzw_331 {\n display: block;\n max-height: 0;\n overflow: hidden;\n transition: max-height .5s cubic-bezier(0, 1, 0, 1);\n transition: max-height .5s cubic-bezier(0, 1, 0, 1)\n }\n\n [digood-page-content] ._section-faq_1k55i_648 ._collapse_18vzw_331._open_18vzw_495 {\n max-height: 99em;\n transition: max-height .5s ease-in-out\n }\n\n [digood-page-content] ._section-blog_1k55i_706 {\n background-color: #fafafa\n }\n\n [digood-page-content] ._section-blog_1k55i_706 ._blog-item_1k55i_710 {\n margin-bottom: 30px\n }\n\n [digood-page-content] ._section-blog_1k55i_706 ._blog-item_1k55i_710 ._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-blog_1k55i_706 ._blog-item_1k55i_710 ._card-image_1k55i_577:before {\n content: ' ';\n display: block;\n padding-top: 66.66%\n }\n\n [digood-page-content] ._section-blog_1k55i_706 ._blog-item_1k55i_710 ._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 text-align: center\n }\n\n [digood-page-content] ._section-blog_1k55i_706 ._blog-item_1k55i_710 ._card-image_1k55i_577 ._date-time_1k55i_714 {\n background: #343434;\n width: 60px;\n height: 60px;\n text-align: center;\n color: #fff;\n font-size: 12px;\n font-weight: 600;\n text-transform: uppercase;\n line-height: 14px;\n border-radius: 50%;\n padding: 15px;\n position: absolute;\n top: 10px;\n left: 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 background-color: #fff\n }\n\n [digood-page-content] ._section-contact_1k55i_757 ._contact-info_1k55i_761 h5 {\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-contact_1k55i_757 ._contact-info_1k55i_761 h2 {\n color: #343434;\n font-size: 36px;\n font-weight: 600;\n margin-top: 5px\n }\n\n [digood-page-content] ._section-contact_1k55i_757 ._contact-form_1k55i_777 ._form-group_1k55i_777 {\n margin-bottom: 30px\n }\n\n [digood-page-content] ._section-contact_1k55i_757 ._contact-form_1k55i_777 input,\n [digood-page-content] ._section-contact_1k55i_757 ._contact-form_1k55i_777 textarea {\n border: none;\n outline: 0;\n background-color: transparent;\n padding: 0 15px 10px 15px;\n border-bottom: 2px solid #e4e0db;\n font-size: 18px;\n color: #555556;\n display: block;\n width: 100%\n }\n\n [digood-page-content] ._section-contact_1k55i_757 ._contact-form_1k55i_777 textarea {\n height: 90px\n }\n\n [digood-page-content] ._section-contact_1k55i_757 ._contact-form_1k55i_777 ._btn-action_1k55i_545 {\n border: none;\n outline: 0;\n padding: 0;\n background: var(--primary);\n display: inline-block;\n vertical-align: middle;\n width: 170px;\n height: 55px;\n line-height: 55px;\n text-align: center;\n font-size: 12px;\n font-weight: 700;\n letter-spacing: .1em;\n text-transform: uppercase;\n color: #fff;\n overflow: hidden;\n border: none;\n border-radius: 27.5px;\n transition: all .4s ease;\n cursor: pointer\n }\n\n [digood-page-content] ._section-contact_1k55i_757 ._contact-form_1k55i_777 ._btn-action_1k55i_545:hover {\n background-color: #343434\n }\n\n [digood-page-content] #_section-links_1k55i_757 {\n background-color: #ededed\n }\n\n [digood-page-content] #_section-links_1k55i_757 ._section-title_1k55i_500 {\n color: #333\n }\n\n [digood-page-content] #_section-links_1k55i_757 ._tags-tab_13kno_350 .tab-nav .tab-link {\n color: #343434\n }\n\n [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 [dir=rtl] [digood-page-content] ._section-faq_1k55i_648 ._faq-item_1k55i_652 ._icon-box_1k55i_658 {\n right: auto;\n left: 15px\n }\n\n [dir=rtl] [digood-page-content] ._section-faq_1k55i_648 ._faq-item_1k55i_652 ._icon-box_1k55i_658:before {\n left: auto;\n right: -7px\n }\n\n [dir=rtl] [digood-page-content] ._section-blog_1k55i_706 ._blog-item_1k55i_710 ._card-image_1k55i_577 ._date-time_1k55i_714 {\n left: auto;\n right: 10px\n }\n <\/style>\n<style>\n body {\n margin: 0;\n font-family: 'Open Sans', sans-serif\n }\n\n a,\n a:hover {\n text-decoration: unset;\n color: inherit\n }\n\n .img-height {\n max-height: 100%;\n width: auto\n }\n\n .icon {\n width: 1em;\n height: 1em;\n fill: currentColor;\n vertical-align: middle\n }\n\n .container {\n width: 100%;\n padding-right: 15px;\n padding-left: 15px;\n margin-right: auto;\n margin-left: auto\n }\n\n .navbar {\n display: flex;\n justify-content: space-between;\n align-items: center\n }\n\n .header {\n background-color: #fff;\n -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\/gate-valve.html\",\n \"logo\": \"https:\/\/seo-console-assets.goalsites.com\/uploads\/covna-china_com\/505305f3-ddd0-45d3-9969-d4e2367e5eb9.png?t=1666644798&x-oss-process=imageh_80\/format,webp\"\n }\n <\/script><script type=\"application\/ld+json\">\n {\n 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class=\"nav-logo\"> <a href=\"\/\" title=\"Zp\u011bt na domovskou str\u00e1nku\" target=\"_blank\"> <img src=\"https:\/\/seo-console-assets.goalsites.com\/uploads\/covna-china_com\/505305f3-ddd0-45d3-9969-d4e2367e5eb9.png?t=1666644798&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=\"\/\">Domov<\/a><\/li>\n <li class=\"menu-item\">\n<a class=\"menu-item-link\" href=\"https:\/\/cs.covna-china.com\/page\/about-us.html\">ASI<\/a> <\/li>\n <li class=\"menu-item\">\n<a class=\"menu-item-link\" href=\"https:\/\/cs.covna-china.com\/products\/all.html\">PRODUKTY<\/a> <\/li>\n <li class=\"menu-item\">\n<a class=\"menu-item-link\" href=\"https:\/\/cs.covna-china.com\/articles\/all.html\">\u010cL\u00c1NK\u016e<\/a> <\/li>\n <li class=\"menu-item\">\n<a class=\"menu-item-link\" href=\"https:\/\/cs.covna-china.com\/page\/contact-us.html\">KONTAKT<\/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\/97eef4a6-fd54-4aae-96a5-51a985b3bce3.png?t=1666644798&x-oss-process=image\/resize,w_500,h_500\/format,webp\" width=\"450\" height=\"500\" alt=\"Co je \u0161oup\u00e1tko\" 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\">Co je \u0161oup\u00e1tko<\/h1>\n <\/div>\n <div class=\"_text_1k55i_498\">\n <p>\u0160oup\u00e1tko je \u0161oup\u00e1tko pro otev\u00edr\u00e1n\u00ed a zav\u00edr\u00e1n\u00ed d\u00edl\u016f. Sm\u011br pohybu br\u00e1ny je kolm\u00fd ke sm\u011bru tekutiny. \u0160oup\u00e1tko lze pouze pln\u011b otev\u0159\u00edt a zcela zav\u0159\u00edt a nelze jej nastavit ani p\u0159i\u0161krtit. \u0160oup\u00e1tko je ut\u011bsn\u011bno kontaktem mezi sedlem ventilu a \u0161oup\u00e1tkovou deskou a t\u011bsnic\u00ed plocha je obvykle sva\u0159ena kovov\u00fdmi materi\u00e1ly, aby se zv\u00fd\u0161ila odolnost proti opot\u0159eben\u00ed. Br\u00e1na m\u00e1 tuhou br\u00e1nu a elastickou br\u00e1nu. Podle rozd\u00edlu br\u00e1ny je \u0161oup\u00e1tko rozd\u011bleno na tuh\u00fd \u0161oup\u00e1tkov\u00fd ventil a elastick\u00fd \u0161oup\u00e1tko.<\/p>\n <\/div> <a href=\"#section-contact\" class=\"_btn-action_1k55i_545 _btn-scroll_1k55i_778\" name=\"btn-section-home\">Z\u00edskat cenovou nab\u00eddku<\/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\">Rysy<\/h5>\n <h2 class=\"_section-title_1k55i_498\">Pro\u010d si vybrat 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=1666644798&x-oss-process=image\/resize,w_60,h_60\/format,webp\" width=\"60\" height=\"60\" alt=\"Vynikaj\u00edc\u00ed \u0159emesln\u00e9 zpracov\u00e1n\u00ed\" class=\"_img-fluid_1k55i_123\">\n<\/div>\n <h3 class=\"feature-title\">Vynikaj\u00edc\u00ed \u0159emesln\u00e9 zpracov\u00e1n\u00ed<\/h3>\n <p class=\"feature-text\">Dr\u017ete se ducha vynal\u00e9zavosti CNC p\u0159esn\u00e9ho obr\u00e1b\u011bn\u00ed 20 let technick\u00e9ho in\u017een\u00fdrsk\u00e9ho veden\u00ed<\/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=1666644798&x-oss-process=image\/resize,w_60,h_60\/format,webp\" width=\"60\" height=\"60\" alt=\"Technologick\u00e9 inovace\" class=\"_img-fluid_1k55i_123\">\n<\/div>\n <h3 class=\"feature-title\">Technologick\u00e9 inovace<\/h3>\n <p class=\"feature-text\">High-tech nadace Trvejte na inovac\u00edch a rozvoji Senior technick\u00fd talent t\u00fdm<\/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=1666644798&x-oss-process=image\/resize,w_60,h_60\/format,webp\" width=\"60\" height=\"60\" alt=\"Speci\u00e1ln\u00ed zak\u00e1zka\" class=\"_img-fluid_1k55i_123\">\n<\/div>\n <h3 class=\"feature-title\">Speci\u00e1ln\u00ed zak\u00e1zka<\/h3>\n <p class=\"feature-text\">To\u010div\u00fd moment a\u017e 4678nm V\u00fdb\u011br seniorsk\u00e9ho technick\u00e9ho pr\u016fvodce Speci\u00e1ln\u00ed p\u0159izp\u016fsoben\u00ed podle pot\u0159eb z\u00e1kazn\u00edka<\/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=1666644798&x-oss-process=image\/resize,w_60,h_60\/format,webp\" width=\"60\" height=\"60\" alt=\"Konzistentn\u00ed kvalita\" class=\"_img-fluid_1k55i_123\">\n<\/div>\n <h3 class=\"feature-title\">Konzistentn\u00ed kvalita<\/h3>\n <p class=\"feature-text\">Mezin\u00e1rodn\u00ed certifikace ISO9001 Dodr\u017eujte standardizovan\u00e9 v\u00fdrobn\u00ed procesy Test trvanlivosti 1 milion cykl\u016f<\/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>\n <div class=\"_embed-responsive_1k55i_251 _embed-responsive-16by9_1k55i_274\"> <iframe width=\"560\" height=\"315\" loading=\"lazy\" data-src=\"https:\/\/youtu.be\/C5ZMLWujKGs\" frameborder=\"0\" allowfullscreen><\/iframe> <\/div>\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\">Jak funguj\u00ed \u0161oup\u00e1tka<\/h2>\n <\/div>\n <div class=\"_text_1k55i_498\">\n <p>COVNA Industrial Automation Co., Ltd. byla zalo\u017eena v roce 2000, automatizovan\u00fd specialista na ventily. Se s\u00eddlem v Dongguan \u010c\u00edn\u011b, se 3 v\u00fdrobn\u00edmi z\u00e1kladnami um\u00edst\u011bn\u00fdmi v Ningbo, Wenzhou a Dongguan.<\/p>\n <p>Poskytujeme elektrick\u00fd ventil, elektromagnetick\u00fd ventil, pneumatick\u00fd ventil, elektrick\u00fd \u0161oup\u00e1tkov\u00fd ventil, elektrick\u00fd klapkov\u00fd ventil, pneumatick\u00fd regula\u010dn\u00ed ventil, motorizovan\u00fd ventil, pneumatick\u00fd no\u017eov\u00fd \u0161oup\u00e1tkov\u00fd ventil, regula\u010dn\u00ed ventil pneumatick\u00fd, pneumatick\u00fd ovl\u00e1dan\u00fd ventil, motorizovan\u00fd ovl\u00e1dan\u00fd ventil, elektrick\u00fd kulov\u00fd ventil, elektrick\u00fd ovl\u00e1dan\u00fd kulov\u00fd ventil, kulov\u00fd ventil, \u0161oup\u00e1tkov\u00fd ventil, klapkov\u00fd ventil, kulov\u00fd ventil atd., M\u016f\u017eete si prohl\u00e9dnout souvisej\u00edc\u00ed produkty a zah\u00e1jit konzultace na na\u0161ich webov\u00fdch str\u00e1nk\u00e1ch.<\/p>\n <\/div> <a href=\"https:\/\/cs.covna-china.com\/page\/about-us.html\" class=\"btn _btn-more_1k55i_706\" name=\"btn-section-about\">\u010ct\u011bte V\u00edce<\/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\u00fdrobce \u0161oup\u00e1tka<\/h2>\n <p>Kdy\u017e je \u0161oup\u00e1tko zav\u0159en\u00e9, t\u011bsnic\u00ed plocha se m\u016f\u017ee spolehnout pouze na st\u0159edn\u00ed tlak k ut\u011bsn\u011bn\u00ed, to znamen\u00e1, \u017ee se spol\u00e9h\u00e1 na st\u0159edn\u00ed tlak, kter\u00fd tla\u010d\u00ed t\u011bsnic\u00ed plochu br\u00e1ny k sedlu ventilu na druh\u00e9 stran\u011b, aby bylo zaji\u0161t\u011bno ut\u011bsn\u011bn\u00ed t\u011bsnic\u00ed plochy, kter\u00e1 je samot\u011bsn\u00edc\u00ed. V\u011bt\u0161ina \u0161oup\u00e1tka pou\u017e\u00edv\u00e1 nucen\u00e9 ut\u011bsn\u011bn\u00ed, to znamen\u00e1, \u017ee kdy\u017e je ventil zav\u0159en\u00fd, mus\u00ed b\u00fdt br\u00e1na nucena p\u0159itla\u010dit k sedlu ventilu vn\u011bj\u0161\u00ed silou, aby byla zaji\u0161t\u011bna t\u011bsnost t\u011bsnic\u00ed plochy.<\/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\">Vybran\u00e9 produkty<\/h5>\n <h2 class=\"_section-title_1k55i_498\">Sb\u00edrka o 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\u00edceot\u00e1\u010dkov\u00fd elektrick\u00fd \u0161oup\u00e1tkov\u00fd ventil odoln\u00fd proti v\u00fdbuchu\"> <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\u00edceot\u00e1\u010dkov\u00fd elektrick\u00fd \u0161oup\u00e1tkov\u00fd ventil odoln\u00fd proti v\u00fdbuchu\" class=\"_img-fluid_1k55i_123\"><h4>Zobrazit podrobnosti<\/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\u00edceot\u00e1\u010dkov\u00fd elektrick\u00fd \u0161oup\u00e1tkov\u00fd ventil odoln\u00fd proti v\u00fdbuchu<\/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\/multi-turn-motorized-slide-electric-gate-valve.html\" title=\"V\u00edceot\u00e1\u010dkov\u00fd motorizovan\u00fd \u0161oup\u00e1tkov\u00fd elektrick\u00fd \u0161oup\u00e1tkov\u00fd ventil\"> <img src=\"\/\/upload.digoodcms.com\/728\/image_1638520320_HK60-Z-Z-Multi-turn-Motorized-Slide-Electric-Actuated-Gate.jpg?imageView2\/1\/w\/450\/h\/450\/format\/webp\" width=\"450\" height=\"450\" alt=\"V\u00edceot\u00e1\u010dkov\u00fd motorizovan\u00fd \u0161oup\u00e1tkov\u00fd elektrick\u00fd \u0161oup\u00e1tkov\u00fd ventil\" class=\"_img-fluid_1k55i_123\"><h4>Zobrazit podrobnosti<\/h4>\n <\/a> <\/div>\n <div class=\"_card-body_1k55i_245\">\n <h4> <a href=\"\/product\/multi-turn-motorized-slide-electric-gate-valve.html\">V\u00edceot\u00e1\u010dkov\u00fd motorizovan\u00fd \u0161oup\u00e1tkov\u00fd elektrick\u00fd \u0161oup\u00e1tkov\u00fd ventil<\/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-multi-turn-actuator-electric-gate-valve.html\" title=\"COVNA Multi Turn Actuator Elektrick\u00fd \u0161oup\u00e1tkov\u00fd ventil\"> <img src=\"\/\/upload.digoodcms.com\/728\/image_1638518731_Multi-Turn-Actuator-Electric-Gate-Valve-(1).jpg?imageView2\/1\/w\/450\/h\/450\/format\/webp\" width=\"450\" height=\"450\" alt=\"COVNA Multi Turn Actuator Elektrick\u00fd \u0161oup\u00e1tkov\u00fd ventil\" class=\"_img-fluid_1k55i_123\"><h4>Zobrazit podrobnosti<\/h4>\n <\/a> <\/div>\n <div class=\"_card-body_1k55i_245\">\n <h4> <a href=\"\/product\/covna-multi-turn-actuator-electric-gate-valve.html\">COVNA Multi Turn Actuator Elektrick\u00fd \u0161oup\u00e1tkov\u00fd ventil<\/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\/cast-steel-wcb-motorized-flange-gate-valve.html\" title=\"Lit\u00e1 ocel WCB p\u0159\u00edrubov\u00fd elektrick\u00fd \u0161oup\u00e1tkov\u00fd ventil\"> <img src=\"\/\/upload.digoodcms.com\/728\/image_1638441941_COVNA-Cast-Steel-WCB-Motorized-Flange-Gate-Valve-(3).png?imageView2\/1\/w\/450\/h\/450\/format\/webp\" width=\"450\" height=\"450\" alt=\"Lit\u00e1 ocel WCB p\u0159\u00edrubov\u00fd elektrick\u00fd \u0161oup\u00e1tkov\u00fd ventil\" class=\"_img-fluid_1k55i_123\"><h4>Zobrazit podrobnosti<\/h4>\n <\/a> <\/div>\n <div class=\"_card-body_1k55i_245\">\n <h4> <a href=\"\/product\/cast-steel-wcb-motorized-flange-gate-valve.html\">Lit\u00e1 ocel WCB p\u0159\u00edrubov\u00fd elektrick\u00fd \u0161oup\u00e1tkov\u00fd ventil<\/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:\/\/cs.covna-china.com\/products\/all.html\" class=\"btn _btn-more_1k55i_706\" name=\"btn-section-products\">Zobrazit v\u00edce<\/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\">U\u017eivatelsk\u00e9 recenze<\/h5>\n <h2 class=\"_section-title_1k55i_498\">Co \u0159\u00edkaj\u00ed u\u017eivatel\u00e9 o 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>Zpracov\u00e1n\u00ed je na sv\u00e9m m\u00edst\u011b a kvalita je na prvn\u00ed pohled velmi dobr\u00e1!<\/p>\n <div class=\"name-box\">\n <div class=\"name-text\">\n <h5 class=\"name-title\">Lev<\/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>St\u00e1l\u00ed z\u00e1kazn\u00edci, spolupr\u00e1ce byla velmi spokojen\u00e1!<\/p>\n <div class=\"name-box\">\n <div class=\"name-text\">\n <h5 class=\"name-title\">Sv\u011bty<\/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>Zpracov\u00e1n\u00ed je v po\u0159\u00e1dku, velikost je spr\u00e1vn\u00e1, design je na sv\u00e9m m\u00edst\u011b a slu\u017eba je pozorn\u00e1 a pozorn\u00e1!<\/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\">\u010casto kladen\u00e9 dotazy<\/h5>\n <h2 class=\"_section-title_1k55i_498\">M\u00e1te n\u011bjak\u00fd dotaz?<\/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\">Jak\u00e9 jsou v\u00fdhody \u0161oup\u00e1tka?<\/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\">Odolnost kapaliny je mal\u00e1 a t\u011bsnic\u00ed plocha je m\u00e9n\u011b kart\u00e1\u010dovan\u00e1 a zkorodovan\u00e1 m\u00e9diem. To \u0161et\u0159\u00ed \u00fasil\u00ed p\u0159i otev\u00edr\u00e1n\u00ed a zav\u00edr\u00e1n\u00ed. Sm\u011br proud\u011bn\u00ed m\u00e9dia nen\u00ed omezen, nenaru\u0161uje pr\u016ftok a nesni\u017euje tlak. Tvar je jednoduch\u00fd, d\u00e9lka konstrukce je kr\u00e1tk\u00e1, v\u00fdrobn\u00ed proces je dobr\u00fd a rozsah pou\u017eit\u00ed je \u0161irok\u00fd.<\/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\">Jak\u00fd druh \u0161oup\u00e1tka<\/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\">Podle konfigurace t\u011bsnic\u00ed plochy jej lze rozd\u011blit na kl\u00ednov\u00fd \u0161oup\u00e1tkov\u00fd ventil a paraleln\u00ed \u0161oup\u00e1tkov\u00fd ventil. Kl\u00ednov\u00fd \u0161oup\u00e1tko lze rozd\u011blit na: jednoduchou br\u00e1nu, dvojitou br\u00e1nu a elastickou br\u00e1nu; paraleln\u00ed \u0161oup\u00e1tko lze rozd\u011blit na jednok\u0159\u00eddlov\u00fd typ Plate a dvojit\u00fd typ br\u00e1ny. Rozd\u011blen podle polohy z\u00e1vitu d\u0159\u00edku ventilu lze rozd\u011blit do dvou typ\u016f: otev\u0159en\u00fd \u0161oup\u00e1tkov\u00fd ventil a tmav\u00fd \u0161oup\u00e1tkov\u00fd ventil<\/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\">Jak\u00fd je rozd\u00edl mezi kulov\u00fdm ventilem a \u0161oup\u00e1tkem?<\/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\">Pracovn\u00ed princip je jin\u00fd. Uzav\u00edrac\u00ed ventil m\u00e1 stoupaj\u00edc\u00ed typ d\u0159\u00edku a ru\u010dn\u00ed kolo se ot\u00e1\u010d\u00ed a stoup\u00e1 spolu s p\u0159edstavcem. U \u0161oup\u00e1tka se ru\u010dn\u00ed kolo ot\u00e1\u010d\u00ed a d\u0159\u00edk ventilu se pohybuje nahoru. Pr\u016ftok je odli\u0161n\u00fd, \u0161oup\u00e1tko mus\u00ed b\u00fdt zcela otev\u0159eno, uzav\u00edrac\u00ed ventil nen\u00ed. \u0160oup\u00e1tko nem\u00e1 \u017e\u00e1dn\u00e9 po\u017eadavky na sm\u011br dovozu a v\u00fdvozu a kulov\u00fd ventil m\u00e1 specifikovan\u00fd vstup a v\u00fdstup!<\/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\">Na\u0161e aktualizace a p\u0159\u00edsp\u011bvky na blogu<\/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=\"| \u0161oup\u00e1tka Kde je pou\u017eiteln\u00fd klapkov\u00fd ventil\"> <img src=\"https:\/\/seo-console-assets.goalsites.com\/uploads\/covna-china_com\/6148e12e-dcc5-419e-99f8-6df68fa341e8.png?t=1666644798&x-oss-process=image\/resize,w_600,h_400\/format,webp\" width=\"600\" height=\"400\" alt=\"| \u0161oup\u00e1tka Kde je pou\u017eiteln\u00fd klapkov\u00fd ventil\" class=\"_img-fluid_1k55i_123\"><div class=\"_date-time_1k55i_714\">23. prosince<\/div>\n <\/a> <\/div>\n <div class=\"_card-body_1k55i_245\">\n <h4> <a href=\"\/article\/where-the-butterfly-valve-is-applicable.html\">| \u0161oup\u00e1tka Kde je pou\u017eiteln\u00fd klapkov\u00fd ventil<\/a> <\/h4>\n <p>{kl\u00ed\u010dov\u00e9 slovo},Klapky jsou vhodn\u00e9 pro regulaci pr\u016ftoku. Vzhledem k tomu, \u017ee tlakov\u00e1 ztr\u00e1ta klapky v potrub\u00ed je pom\u011brn\u011b velk\u00e1, je asi trojn\u00e1sobek \u0161oup\u00e1tka.<\/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=\"| \u0161oup\u00e1tka Jak si vybrat elektrick\u00fd klapkov\u00fd ventil\"> <img src=\"https:\/\/seo-console-assets.goalsites.com\/uploads\/covna-china_com\/2a542176-508c-49dd-a5f7-f6a7bcb17035.png?t=1666644798&x-oss-process=image\/resize,w_600,h_400\/format,webp\" width=\"600\" height=\"400\" alt=\"| \u0161oup\u00e1tka Jak si vybrat elektrick\u00fd klapkov\u00fd ventil\" class=\"_img-fluid_1k55i_123\"><div class=\"_date-time_1k55i_714\">23. prosince<\/div>\n <\/a> <\/div>\n <div class=\"_card-body_1k55i_245\">\n <h4> <a href=\"\/article\/how-to-choose-electric-butterfly-valve.html\">| \u0161oup\u00e1tka Jak si vybrat elektrick\u00fd klapkov\u00fd ventil<\/a> <\/h4>\n <p>{kl\u00ed\u010dov\u00e9 slovo}. Disk klapky je, \u017ee disk m\u00e1 h\u0159\u00eddel rotuj\u00edc\u00ed na poloze sedla ventilu. \u00dahel ot\u00e1\u010den\u00ed ur\u010duje stupe\u0148 otev\u0159en\u00ed a zav\u0159en\u00ed ventilu.<\/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-gate-valve-works.html\" title=\"\u0161oup\u00e1tko| Jak funguje \u0161oup\u00e1tko\"> <img src=\"https:\/\/seo-console-assets.goalsites.com\/uploads\/covna-china_com\/bbc506ec-9198-4e2b-98ef-1df4af064289.png?t=1666644798&x-oss-process=image\/resize,w_600,h_400\/format,webp\" width=\"600\" height=\"400\" alt=\"\u0161oup\u00e1tko| Jak funguje \u0161oup\u00e1tko\" class=\"_img-fluid_1k55i_123\"><div class=\"_date-time_1k55i_714\">08 Led<\/div>\n <\/a> <\/div>\n <div class=\"_card-body_1k55i_245\">\n <h4> <a href=\"\/article\/how-gate-valve-works.html\">\u0161oup\u00e1tko| Jak funguje \u0161oup\u00e1tko<\/a> <\/h4>\n <p>{keyword},V\u0161ichni v\u00edme, \u017ee \u0161oup\u00e1tko je velmi \u0161iroce pou\u017e\u00edvan\u00fd ventil, tak jak funguje \u0161oup\u00e1tko?<\/p>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <div class=\"text-center\"> <a href=\"https:\/\/cs.covna-china.com\/articles\/all.html\" class=\"btn _btn-more_1k55i_706\" name=\"btn-section-news\">\u010ct\u011bte V\u00edce<\/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>Kontat N\u00e1s<\/h5>\n <h2 class=\"_section-title_1k55i_498\">M\u00e1te n\u011bjak\u00fd dotaz? 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Po\u010dkejte pros\u00edm...<\/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>\u00dasp\u011bch! D\u011bkujeme za zasl\u00e1n\u00ed va\u0161\u00ed zpr\u00e1vy! Nezapome\u0148te zkontrolovat sv\u016fj e-mail pro potvrzen\u00ed! Brzy se v\u00e1m ozveme.<\/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>Jejda! , P\u0159i odes\u00edl\u00e1n\u00ed zpr\u00e1vy do\u0161lo k pot\u00ed\u017e\u00edm. Zkuste to pros\u00edm znovu.<\/div>\n <\/div>\n <\/div> <button type=\"submit\" class=\"_btn-action_1k55i_545\">Odeslat zpr\u00e1vu<\/button>\n <\/form>\n <\/div>\n <\/div>\n <\/div>\n <\/section><style>\n #_section-links_1k55i_757 {\n padding: 60px 0 30px;\n background-color: #f8f9fa\n }\n\n #_section-links_1k55i_757 ._container-fluid_1k55i_128,\n #_section-links_1k55i_757 ._container_1k55i_128 {\n width: 100%;\n padding-right: 15px;\n padding-left: 15px;\n margin-right: auto;\n margin-left: auto\n }\n\n ._section-title_1k55i_500 {\n font-size: 24px;\n margin-bottom: 15px;\n font-weight: 500;\n color: #333\n }\n\n ._center_1k55i_505._tags-box_13kno_350 {\n text-align: center\n }\n\n @media (min-width:576px) {\n #_section-links_1k55i_757 ._container_1k55i_128 {\n max-width: 540px\n }\n }\n\n @media (min-width:768px) {\n #_section-links_1k55i_757 ._container_1k55i_128 {\n max-width: 720px\n }\n }\n\n @media (min-width:992px) {\n #_section-links_1k55i_757 ._container_1k55i_128 {\n 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href=\"https:\/\/cs.covna-china.com\/dlp\/pneumatic-knife-gate-valve-production.html\">v\u00fdroba pneumatick\u00fdch no\u017eov\u00fdch \u0161oup\u00e1tek<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/pneumatic-knife-gate-valve-seller.html\">prodejce pneumatick\u00e9ho no\u017eov\u00e9ho \u0161oup\u00e1tka<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/pneumatic-knife-gate-valve-sellers.html\">prodejci pneumatick\u00fdch no\u017eov\u00fdch \u0161oup\u00e1tk\u016f<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/pneumatic-knife-gate-valve-supplier.html\">dodavatel pneumatick\u00e9ho no\u017eov\u00e9ho \u0161oup\u00e1tka<\/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:\/\/cs.covna-china.com\/dlp\/ball-valve-agencies.html\">t\u011bsn\u011bn\u00ed pro kulov\u00e9 kohouty<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/ball-valve-agency.html\">agentura kulov\u00e9ho 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href=\"https:\/\/cs.covna-china.com\/dlp\/ball-valve-seller.html\">prodejce kulov\u00fdch kohout\u016f<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/ball-valve-sellers.html\">prodejci kulov\u00fdch kohout\u016f<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/ball-valve-supplier.html\">dodavatel kulov\u00fdch kohout\u016f<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/ball-valve-suppliers.html\">dodavatel\u00e9 kulov\u00fdch kohout\u016f<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/ball-valve-wholesaler.html\">velkoobchod s kulov\u00fdmi kohouty<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/china-ball-valve.html\">porcel\u00e1nov\u00fd kulov\u00fd ventil<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/custom-ball-valve.html\">vlastn\u00ed kulov\u00fd kohout<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/custom-made-ball-valve.html\">kulov\u00fd kohout na zak\u00e1zku<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/odm-ball-valve.html\">odm kulov\u00fd ventil<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/oem-ball-valve.html\">OEM kulov\u00fd ventil<\/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:\/\/cs.covna-china.com\/dlp\/best-gate-valve.html\">nejlep\u0161\u00ed \u0161oup\u00e1tko<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/china-gate-valve.html\">porcel\u00e1nov\u00fd \u0161oup\u00e1tko<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/custom-gate-valve.html\">zak\u00e1zkov\u00fd \u0161oup\u00e1tkov\u00fd ventil<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/custom-made-gate-valve.html\">\u0161oup\u00e1tkov\u00fd ventil na zak\u00e1zku<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/customized-gate-valve.html\">\u0161oup\u00e1tko na m\u00edru<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/gate-valve-company.html\">spole\u010dnost vyr\u00e1b\u011bj\u00edc\u00ed \u0161oup\u00e1tka<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/gate-valve-factories.html\">tov\u00e1rny na \u0161oup\u00e1tka<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/gate-valve-factory.html\">tov\u00e1rna na \u0161oup\u00e1tka<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/gate-valve-in-china.html\">\u0161oup\u00e1tko v \u010c\u00edn\u011b<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/gate-valve-manufacturer.html\">v\u00fdrobce \u0161oup\u00e1tka<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/gate-valve-manufacturers.html\">v\u00fdrobci \u0161oup\u00e1tka<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/gate-valve-supplier.html\">dodavatel \u0161oup\u00e1tka<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/gate-valve-suppliers.html\">dodavatel\u00e9 \u0161oup\u00e1tka<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/gate-valve-wholesaler.html\">velkoobchod s \u0161oup\u00e1tky<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/globe-valve-vs-gate-valve.html\">kulov\u00fd ventil vs 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klapkov\u00fd ventil<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/butterfly-valve-exporter.html\">v\u00fdvozce klapkov\u00fdch ventil\u016f<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/butterfly-valve-exporters.html\">v\u00fdvozci klapkov\u00fdch ventil\u016f<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/butterfly-valve-factory.html\">tov\u00e1rna na klapky<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/butterfly-valve-in-china.html\">klapka v \u010c\u00edn\u011b<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/butterfly-valve-manufacturer.html\">v\u00fdrobce klapkov\u00fdch ventil\u016f<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/butterfly-valve-manufacturers.html\">v\u00fdrobci klapkov\u00fdch ventil\u016f<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/butterfly-valve-seller.html\">prodejce klapkov\u00fdch ventil\u016f<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/butterfly-valve-sellers.html\">prodejci klapkov\u00fdch ventil\u016f<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/butterfly-valve-supplier.html\">dodavatel klapkov\u00fdch ventil\u016f<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/butterfly-valve-suppliers.html\">dodavatel\u00e9 klapkov\u00fdch ventil\u016f<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/butterfly-valve-wholesaler.html\">velkoobchod s klapkami<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/butterfly-valve-with-actuator.html\">klapka s pohonem<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/cheap-butterfly-valve.html\">levn\u00fd klapkov\u00fd ventil<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/china-butterfly-valve.html\">porcel\u00e1nov\u00fd klapkov\u00fd ventil<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/custom-butterfly-valve.html\">vlastn\u00ed klapka<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/custom-made-butterfly-valve.html\">zak\u00e1zkov\u00fd klapkov\u00fd ventil<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/customized-butterfly-valve.html\">p\u0159izp\u016fsoben\u00fd klapkov\u00fd ventil<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/odm-butterfly-valve.html\">odm klapka<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/oem-butterfly-valve.html\">OEM klapka<\/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:\/\/cs.covna-china.com\/dlp\/best-globe-valve.html\">nejlep\u0161\u00ed kulov\u00fd ventil<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/custom-made-globe-valve.html\">zak\u00e1zkov\u00fd kulov\u00fd ventil<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/globe-valve-agencies.html\">ventilov\u00e9 agentury<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/globe-valve-agency.html\">agentura globe valve<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/globe-valve-company.html\">spole\u010dnost vyr\u00e1b\u011bj\u00edc\u00ed ventily<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/globe-valve-factories.html\">tov\u00e1rny na ventily globe<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/globe-valve-factory.html\">tov\u00e1rna na ventily<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/globe-valve-in-china.html\">globe ventil v \u010c\u00edn\u011b<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/globe-valve-manufacturer.html\">v\u00fdrobce ventil\u016f globe<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/globe-valve-manufacturers.html\">v\u00fdrobci ventil\u016f Globe<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/globe-valve-production.html\">v\u00fdroba kulov\u00fdch ventil\u016f<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/globe-valve-seller.html\">prodejce ventil\u016f globe<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/globe-valve-sellers.html\">prodejci ventil\u016f globe<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/globe-valve-supplier.html\">dodavatel ventil\u016f Globe<\/a> 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href=\"https:\/\/cs.covna-china.com\/dlp\/best-price-pneumatic-control-valve.html\">pneumatick\u00fd regula\u010dn\u00ed ventil za nejlep\u0161\u00ed cenu<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/buy-pneumatic-control-valve.html\">koupit pneumatick\u00fd regula\u010dn\u00ed ventil<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/china-pneumatic-control-valve.html\">\u010c\u00edna pneumatick\u00fd regula\u010dn\u00ed ventil<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/control-valve-in-pneumatic-are-used-to-control.html\">regula\u010dn\u00ed ventil v pneumatice se pou\u017e\u00edv\u00e1 k ovl\u00e1d\u00e1n\u00ed<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/control-valve-in-pneumatic-system.html\">regula\u010dn\u00ed ventil v pneumatick\u00e9m syst\u00e9mu<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/custom-pneumatic-control-valve.html\">vlastn\u00ed pneumatick\u00fd regula\u010dn\u00ed ventil<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/custom-made-pneumatic-control-valve.html\">zak\u00e1zkov\u00fd pneumatick\u00fd regula\u010dn\u00ed ventil<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/customized-pneumatic-control-valve.html\">p\u0159izp\u016fsoben\u00fd pneumatick\u00fd regula\u010dn\u00ed ventil<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/directional-control-valve-pneumatic.html\">sm\u011brov\u00fd regula\u010dn\u00ed ventil pneumatick\u00fd<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/high-quality-pneumatic-control-valve.html\">vysoce kvalitn\u00ed pneumatick\u00fd regula\u010dn\u00ed ventil<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/hot-sale-pneumatic-control-valve.html\">hork\u00fd prodej pneumatick\u00e9ho regula\u010dn\u00edho ventilu<\/a> <a href=\"https:\/\/cs.covna-china.com\/dlp\/low-price-pneumatic-control-valve.html\">pneumatick\u00fd regula\u010dn\u00ed ventil za n\u00edzkou cenu<\/a> <a 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