{"body":"\n\n

\n\n\n\n\n\nValvola a saracinesca | COVNA \u00b7\n<meta content='\"valvola' a saracinesca se vuoi conoscere il prezzo della valvola ti preghiamo di contattarci name='\"description\"'>\n<meta content='\"Saracinesca\"' 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='\"Valvola' a saracinesca covna>\n<meta property='\"og:description\"' content='\"valvola' a saracinesca se vuoi conoscere il prezzo della valvola ti preghiamo di contattarci>\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\"' 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[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 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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 \"@context\": \"https:\/\/schema.org\",\n \"@type\": \"BreadcrumbList\",\n \"itemListElement\": [{\n \"@type\": \"ListItem\",\n \"position\": 1,\n \"name\": \"Home\",\n \"item\": \"https:\/\/www.covna-china.com\"\n }, {\n \"@type\": \"ListItem\",\n \"position\": 2,\n \"name\": \"What is a gate valve\",\n \"item\": \"https:\/\/www.covna-china.com\/dlp\/gate-valve.html\"\n }]\n }\n <\/script><script async src=\"https:\/\/www.googletagmanager.com\/gtag\/js?id=UA-211553992-9\"><\/script><script>\n function gtag() {\n dataLayer.push(arguments)\n }\n window.dataLayer = window.dataLayer || [], gtag(\"js\", new Date), gtag(\"config\", \"UA-211553992-9\"), gtag(\"config\", \"AW-343726230\")\n <\/script>\n<\/head>\n<body>\n <div digood-page-content>\n <header class=\"header\" id=\"header\"><meta http-equiv="Content-Type" content="text/html;charset=UTF-8" ><meta http-equiv=\"Content-Type\" content=\"text\/html;charset=UTF-8\">\n<div class=\"container\">\n <div class=\"navbar\">\n <div class=\"nav-logo\"> <a href=\"\/\" title=\"Torna alla Home\" 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 \u00b7\" class=\"img-height\"><\/a> <\/div>\n <ul class=\"nav-menu\" id=\"nav-menu\">\n<li class=\"menu-item\"><a class=\"menu-item-link\" href=\"\/\">Casa<\/a><\/li>\n <li class=\"menu-item\">\n<a class=\"menu-item-link\" href=\"https:\/\/it.covna-china.com\/page\/about-us.html\">CIRCA<\/a> <\/li>\n <li class=\"menu-item\">\n<a class=\"menu-item-link\" href=\"https:\/\/it.covna-china.com\/products\/all.html\">PRODOTTI<\/a> <\/li>\n <li class=\"menu-item\">\n<a class=\"menu-item-link\" href=\"https:\/\/it.covna-china.com\/articles\/all.html\">ARTICOLI<\/a> <\/li>\n <li class=\"menu-item\">\n<a class=\"menu-item-link\" href=\"https:\/\/it.covna-china.com\/page\/contact-us.html\">CONTATTO<\/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=\"Cos'\u00e8 una valvola a saracinesca\" 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\">Cos'\u00e8 una valvola a saracinesca<\/h1>\n <\/div>\n <div class=\"_text_1k55i_498\">\n <p>La valvola a saracinesca \u00e8 un cancello per l'apertura e la chiusura delle parti. La direzione del movimento del cancello \u00e8 perpendicolare alla direzione del fluido. La valvola a saracinesca pu\u00f2 essere aperta e chiusa solo completamente e non pu\u00f2 essere regolata o strozzata. La valvola a saracinesca \u00e8 sigillata dal contatto tra la sede della valvola e la piastra del cancello e la superficie di tenuta \u00e8 solitamente saldata con materiali metallici per aumentare la resistenza all'usura. Il cancello ha un cancello rigido e un cancello elastico. Secondo la differenza del cancello, la valvola a saracinesca \u00e8 divisa in una valvola a saracinesca rigida e una valvola a saracinesca elastica.<\/p>\n <\/div> <a href=\"#section-contact\" class=\"_btn-action_1k55i_545 _btn-scroll_1k55i_778\" name=\"btn-section-home\">Richiedi un preventivo<\/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\">Tratti somatici<\/h5>\n <h2 class=\"_section-title_1k55i_498\">Perch\u00e9 scegliere 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=\"Artigianato squisito\" class=\"_img-fluid_1k55i_123\">\n<\/div>\n <h3 class=\"feature-title\">Artigianato squisito<\/h3>\n <p class=\"feature-text\">Attenersi allo spirito di ingegno Lavorazione di precisione CNC 20 anni di guida tecnica dell'ingegnere<\/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=\"Innovazione tecnologica\" class=\"_img-fluid_1k55i_123\">\n<\/div>\n <h3 class=\"feature-title\">Innovazione tecnologica<\/h3>\n <p class=\"feature-text\">Fondazione high-tech Insistere sull'innovazione e lo sviluppo Team di talenti tecnici senior<\/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=\"Speciale personalizzato\" class=\"_img-fluid_1k55i_123\">\n<\/div>\n <h3 class=\"feature-title\">Speciale personalizzato<\/h3>\n <p class=\"feature-text\">Coppia fino a 4678nm Selezione guida tecnica senior Personalizzazione speciale in base alle esigenze del cliente<\/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=\"Qualit\u00e0 costante\" class=\"_img-fluid_1k55i_123\">\n<\/div>\n <h3 class=\"feature-title\">Qualit\u00e0 costante<\/h3>\n <p class=\"feature-text\">Certificazione internazionale ISO9001 Aderire a processi di produzione standardizzati Test di durata di 1 milione di cicli<\/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\">Come funzionano le valvole a saracinesca<\/h2>\n <\/div>\n <div class=\"_text_1k55i_498\">\n <p>COVNA Industrial Automation Co., Ltd. \u00e8 stata fondata nel 2000, uno specialista di valvole automatizzate. Con sede a Dongguan in Cina, con 3 basi di produzione situate a Ningbo, Wenzhou e Dongguan.<\/p>\n <p>Forniamo valvola elettrica, elettrovalvola, valvola pneumatica, valvola a saracinesca elettrica, valvola a farfalla elettrica, valvola di controllo pneumatica, valvola motorizzata, valvola a saracinesca pneumatica, valvola pneumatica pneumatica, valvola azionata pneumatica, valvola azionata motorizzata, valvola a sfera elettrica, valvola a sfera elettrica, valvola a sfera, valvola a saracinesca, valvola a saracinesca, valvola a farfalla, valvola a globo, ecc., \u00c8 possibile sfogliare i prodotti correlati e avviare consultazioni sul nostro sito Web.<\/p>\n <\/div> <a href=\"https:\/\/it.covna-china.com\/page\/about-us.html\" class=\"btn _btn-more_1k55i_706\" name=\"btn-section-about\">Per saperne di pi\u00f9<\/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\">Valvola a saracinesca Fornitore<\/h2>\n <p>Quando la valvola a saracinesca \u00e8 chiusa, la superficie di tenuta pu\u00f2 fare affidamento solo sulla pressione media per sigillare, cio\u00e8 fare affidamento sulla pressione media per premere la superficie di tenuta del cancello alla sede della valvola dall'altra parte per garantire la tenuta della superficie di tenuta, che \u00e8 autosigillante. La maggior parte delle valvole a saracinesca utilizza la sigillatura forzata, cio\u00e8 quando la valvola \u00e8 chiusa, il cancello deve essere costretto a premere contro la sede della valvola con forza esterna per garantire la tenuta della superficie di tenuta.<\/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\">Prodotti in primo piano<\/h5>\n <h2 class=\"_section-title_1k55i_498\">Collezione su 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=\"Valvola a saracinesca elettrica multigiro antideflagrante\"> <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=\"Valvola a saracinesca elettrica multigiro antideflagrante\" class=\"_img-fluid_1k55i_123\"><h4>Visualizza dettagli<\/h4>\n <\/a> <\/div>\n <div class=\"_card-body_1k55i_245\">\n <h4> <a href=\"\/product\/explosion-proof-multi-turn-electric-gate-valve.html\">Valvola a saracinesca elettrica multigiro antideflagrante<\/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=\"Valvola a saracinesca elettrica motorizzata a scorrimento multigiro\"> <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=\"Valvola a saracinesca elettrica motorizzata a scorrimento multigiro\" class=\"_img-fluid_1k55i_123\"><h4>Visualizza dettagli<\/h4>\n <\/a> <\/div>\n <div class=\"_card-body_1k55i_245\">\n <h4> <a href=\"\/product\/multi-turn-motorized-slide-electric-gate-valve.html\">Valvola a saracinesca elettrica motorizzata a scorrimento multigiro<\/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=\"VALVOLA a saracinesca elettrica COVNA Multi Turn Actuator\"> <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=\"VALVOLA a saracinesca elettrica COVNA Multi Turn Actuator\" class=\"_img-fluid_1k55i_123\"><h4>Visualizza dettagli<\/h4>\n <\/a> <\/div>\n <div class=\"_card-body_1k55i_245\">\n <h4> <a href=\"\/product\/covna-multi-turn-actuator-electric-gate-valve.html\">VALVOLA a saracinesca elettrica COVNA Multi Turn Actuator<\/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=\"Valvola a saracinesca elettrica a flangia WCB in acciaio fuso\"> <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=\"Valvola a saracinesca elettrica a flangia WCB in acciaio fuso\" class=\"_img-fluid_1k55i_123\"><h4>Visualizza dettagli<\/h4>\n <\/a> <\/div>\n <div class=\"_card-body_1k55i_245\">\n <h4> <a href=\"\/product\/cast-steel-wcb-motorized-flange-gate-valve.html\">Valvola a saracinesca elettrica a flangia WCB in acciaio fuso<\/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:\/\/it.covna-china.com\/products\/all.html\" class=\"btn _btn-more_1k55i_706\" name=\"btn-section-products\">Scopri di pi\u00f9<\/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\">Recensioni degli utenti<\/h5>\n <h2 class=\"_section-title_1k55i_498\">Cosa dicono gli utenti di COVNA<\/h2>\n <\/div>\n <div class=\"_slider-wrap_1k55i_471\">\n <div class=\"slider-reviews\">\n <div class=\"slider-item\">\n <div class=\"review-item\"> <svg class=\"icon\" width=\"24\" height=\"24\" viewbox=\"0 0 24 24\"><path fill=\"currentColor\" d=\"M10,7L8,11H11V17H5V11L7,7H10M18,7L16,11H19V17H13V11L15,7H18Z\"><\/path><\/svg><p>La lavorazione \u00e8 a posto e la qualit\u00e0 \u00e8 molto buona a colpo d'occhio!<\/p>\n <div class=\"name-box\">\n <div class=\"name-text\">\n <h5 class=\"name-title\">Leone<\/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>Clienti abituali, la collaborazione \u00e8 stata molto felice!<\/p>\n <div class=\"name-box\">\n <div class=\"name-text\">\n <h5 class=\"name-title\">Mondi<\/h5>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <div class=\"slider-item\">\n <div class=\"review-item\"> <svg class=\"icon\" width=\"24\" height=\"24\" viewbox=\"0 0 24 24\"><path fill=\"currentColor\" d=\"M10,7L8,11H11V17H5V11L7,7H10M18,7L16,11H19V17H13V11L15,7H18Z\"><\/path><\/svg><p>La lavorazione \u00e8 buona, le dimensioni sono giuste, il design \u00e8 a posto e il servizio \u00e8 attento e attento!<\/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\">Domande frequenti<\/h5>\n <h2 class=\"_section-title_1k55i_498\">Avete domande?<\/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\">Quali sono i vantaggi delle valvole a saracinesca?<\/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\">La resistenza del fluido \u00e8 piccola e la superficie di tenuta \u00e8 meno spazzolata e corrosa dal mezzo. Risparmia fatica per aprire e chiudere. La direzione del flusso del mezzo non \u00e8 limitata, non disturba il flusso e non riduce la pressione. La forma \u00e8 semplice, la lunghezza della struttura \u00e8 breve, il processo di produzione \u00e8 buono e l'ambito di applicazione \u00e8 ampio.<\/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\">Che tipo di valvola a saracinesca<\/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\">Secondo la configurazione della superficie di tenuta, pu\u00f2 essere diviso in valvola a saracinesca a cuneo e valvola a saracinesca parallela. La valvola a saracinesca a cuneo pu\u00f2 essere suddivisa in: cancello singolo, cancello doppio e cancello elastico; la valvola a saracinesca parallela pu\u00f2 essere suddivisa in tipo a saracinesca singola e tipo a doppio cancello. Diviso in base alla posizione del filo dello stelo della valvola, pu\u00f2 essere diviso in due tipi: valvola a saracinesca a stelo aperto e valvola a saracinesca a stelo scuro<\/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\">Qual \u00e8 la differenza tra valvola a globo e valvola a saracinesca?<\/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\">Il principio di funzionamento \u00e8 diverso. La valvola di intercettazione ha un tipo di stelo ascendente e il volantino ruota e si alza insieme allo stelo. Per la valvola a saracinesca, il volantino ruota e lo stelo della valvola si muove verso l'alto. La portata \u00e8 diversa, la valvola a saracinesca deve essere completamente aperta, la valvola di arresto no. La valvola a saracinesca non ha requisiti per la direzione di importazione ed esportazione e la valvola a globo ha un ingresso e un'uscita specificati!<\/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\">I nostri aggiornamenti e post sul blog<\/h2>\n <\/div>\n <div class=\"_row_1k55i_160\">\n <div class=\"_col-md-4_1k55i_170\">\n <div class=\"_blog-item_1k55i_710 _card_1k55i_233\">\n <div class=\"_card-image_1k55i_577\"> <a href=\"\/article\/where-the-butterfly-valve-is-applicable.html\" title=\"| a valvole a saracinesca Dove \u00e8 applicabile la valvola a farfalla\"> <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=\"| a valvole a saracinesca Dove \u00e8 applicabile la valvola a farfalla\" class=\"_img-fluid_1k55i_123\"><div class=\"_date-time_1k55i_714\">23 Dicembre<\/div>\n <\/a> <\/div>\n <div class=\"_card-body_1k55i_245\">\n <h4> <a href=\"\/article\/where-the-butterfly-valve-is-applicable.html\">| a valvole a saracinesca Dove \u00e8 applicabile la valvola a farfalla<\/a> <\/h4>\n <p>{keyword},Le valvole a farfalla sono adatte per la regolazione del flusso. Poich\u00e9 la perdita di pressione della valvola a farfalla nella tubazione \u00e8 relativamente grande, \u00e8 circa tre volte quella della valvola a saracinesca.<\/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=\"| a valvole a saracinesca Come scegliere la valvola a farfalla elettrica\"> <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=\"| a valvole a saracinesca Come scegliere la valvola a farfalla elettrica\" class=\"_img-fluid_1k55i_123\"><div class=\"_date-time_1k55i_714\">23 Dicembre<\/div>\n <\/a> <\/div>\n <div class=\"_card-body_1k55i_245\">\n <h4> <a href=\"\/article\/how-to-choose-electric-butterfly-valve.html\">| a valvole a saracinesca Come scegliere la valvola a farfalla elettrica<\/a> <\/h4>\n <p>{keyword}. Il disco della valvola a farfalla \u00e8 che il disco ha un albero che ruota sulla posizione della sede della valvola. L'angolo di rotazione determina il grado di apertura e chiusura della valvola.<\/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=\"valvola a saracinesca| Come funziona la valvola a saracinesca\"> <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=\"valvola a saracinesca| Come funziona la valvola a saracinesca\" class=\"_img-fluid_1k55i_123\"><div class=\"_date-time_1k55i_714\">08 Gen<\/div>\n <\/a> <\/div>\n <div class=\"_card-body_1k55i_245\">\n <h4> <a href=\"\/article\/how-gate-valve-works.html\">valvola a saracinesca| Come funziona la valvola a saracinesca<\/a> <\/h4>\n <p>{keyword},Sappiamo tutti che la valvola a saracinesca \u00e8 una valvola molto utilizzata, quindi come funziona la valvola a saracinesca?<\/p>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <div class=\"text-center\"> <a href=\"https:\/\/it.covna-china.com\/articles\/all.html\" class=\"btn _btn-more_1k55i_706\" name=\"btn-section-news\">Per saperne di pi\u00f9<\/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>Contattaci<\/h5>\n <h2 class=\"_section-title_1k55i_498\">Avete domande? 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.5rem\n }\n <\/style>\n<section id=\"_section-links_1k55i_757\"><div class=\"_container_1k55i_128\">\n <div class=\"_tags-tab_13kno_350\">\n <ul class=\"tab-nav\">\n<li class=\"tab-item active\" data-tab-target=\"#tab-0\"> <a href=\"https:\/\/it.covna-china.com\/dlp\/electric-valve.html\" class=\"tab-link\">valvola elettrica<\/a> <\/li>\n <li class=\"tab-item\" data-tab-target=\"#tab-1\"> <a href=\"https:\/\/it.covna-china.com\/dlp\/solenoid-valve.html\" class=\"tab-link\">elettrovalvola<\/a> <\/li>\n <li class=\"tab-item\" data-tab-target=\"#tab-2\"> <a href=\"https:\/\/it.covna-china.com\/dlp\/pneumatic-valve.html\" class=\"tab-link\">valvola pneumatica<\/a> <\/li>\n <li class=\"tab-item\" data-tab-target=\"#tab-3\"> <a href=\"https:\/\/it.covna-china.com\/dlp\/electric-gate-valve.html\" class=\"tab-link\">valvola a saracinesca elettrica<\/a> <\/li>\n <li class=\"tab-item\" data-tab-target=\"#tab-4\"> <a href=\"https:\/\/it.covna-china.com\/dlp\/electric-butterfly-valve.html\" class=\"tab-link\">valvola a farfalla elettrica<\/a> <\/li>\n <li class=\"tab-item\" data-tab-target=\"#tab-5\"> <a href=\"https:\/\/it.covna-china.com\/dlp\/motorized-valve.html\" class=\"tab-link\">valvola motorizzata<\/a> <\/li>\n <li class=\"tab-item\" data-tab-target=\"#tab-6\"> <a href=\"https:\/\/it.covna-china.com\/dlp\/pneumatic-knife-gate-valve.html\" class=\"tab-link\">valvola a saracinesca pneumatica a coltello<\/a> <\/li>\n <li class=\"tab-item\" data-tab-target=\"#tab-7\"> <a href=\"https:\/\/it.covna-china.com\/dlp\/ball-valve.html\" class=\"tab-link\">valvola a sfera<\/a> <\/li>\n <li class=\"tab-item\" data-tab-target=\"#tab-8\"> <a href=\"https:\/\/it.covna-china.com\/dlp\/gate-valve.html\" class=\"tab-link\">Saracinesca<\/a> <\/li>\n <li class=\"tab-item\" data-tab-target=\"#tab-9\"> <a href=\"https:\/\/it.covna-china.com\/dlp\/butterfly-valve.html\" class=\"tab-link\">valvola a farfalla<\/a> <\/li>\n <li class=\"tab-item\" data-tab-target=\"#tab-10\"> <a href=\"https:\/\/it.covna-china.com\/dlp\/globe-valve.html\" class=\"tab-link\">valvola a globo<\/a> <\/li>\n <li class=\"tab-item\" data-tab-target=\"#tab-11\"> <a href class=\"tab-link\"> <\/a> <\/li>\n <li class=\"tab-item\" data-tab-target=\"#tab-12\"> <a href class=\"tab-link\"> <\/a> <\/li>\n <li class=\"tab-item\" data-tab-target=\"#tab-13\"> <a href class=\"tab-link\"> <\/a> <\/li>\n <li class=\"tab-item\" data-tab-target=\"#tab-14\"> <a href class=\"tab-link\"> <\/a> <\/li>\n <li class=\"tab-item\" data-tab-target=\"#tab-15\"> <a href class=\"tab-link\"> <\/a> <\/li>\n <li class=\"tab-item\" data-tab-target=\"#tab-16\"> <a href class=\"tab-link\"> <\/a> <\/li>\n <\/ul>\n<div class=\"tab-content\">\n <div class=\"tab-pane show\" id=\"tab-0\" role=\"tabpanel\" aria-labelledby=\"tab-0\">\n <div class=\"_tags-box_13kno_350\"> <a href=\"https:\/\/it.covna-china.com\/dlp\/ball-valve-actuators-electric.html\">attuatori elettrici per valvole a sfera<\/a> <a 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