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Prove\u00efdors de v\u00e0lvules de bola | COVNA\n<meta content='\"prove\u00efdors' de v bolaovna un fabricant l mundial que es va especialitzar en bola accionada el activada pneum i ... name='\"description\"'>\n<meta content='\"prove\u00efdors' de v bola el activada actuador rotatiu name='\"keywords\"'>\n<meta property='\"og:url\"' content='\"https:\/\/www.covna-china.com\/dlp\/ball-valve-suppliers.html\"'>\n<meta property='\"og:type\"' content='\"Organization\"'>\n<meta property='\"og:title\"' content='\"Prove\u00efdors' de v bola covna>\n<meta property='\"og:description\"' content='\"prove\u00efdors' de v bolaovna un fabricant l mundial que es va especialitzar en bola accionada el activada pneum i ...>\n<meta property='\"og:image\"' content='\"https:\/\/seo-console-assets.goalsites.com\/uploads\/covna-china_com\/97dfe27b-2f9f-40d0-844f-f07ec5d9f938.png?t=1666644976&x-oss-process=image\/resize,w_500,h_500\/format,webp\"'>\n<link rel='\"preload\"' as='\"image\"' 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-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-image_1k55i_530>img {\n position: relative\n }\n\n [digood-page-content] ._section-banner_1k55i_518 ._banner-content_1k55i_529 h1 {\n color: #343434;\n font-size: 2rem;\n line-height: 1.2;\n font-weight: 600;\n margin-bottom: 30px;\n text-transform: capitalize\n }\n\n @media (min-width:768px) {\n [digood-page-content] ._section-banner_1k55i_518 ._banner-content_1k55i_529 h1 {\n font-size: 2.5rem\n }\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 margin-bottom: 30px\n }\n\n [digood-page-content] ._section-banner_1k55i_518 ._banner-content_1k55i_529 ._btn-action_1k55i_545 {\n margin-top: 30px;\n font-size: 16px;\n padding: 16px 25px\n }\n\n [digood-page-content] ._section-features_1k55i_648 {\n position: relative;\n padding: 60px 0\n }\n\n [digood-page-content] ._section-features_1k55i_648 ._col-md-6_1k55i_172 {\n margin-bottom: 30px\n }\n\n [digood-page-content] ._section-features_1k55i_648 .feature-item {\n position: relative;\n -webkit-box-shadow: 0 3px 15px 0 rgb(0 0 0 \/ 12%);\n box-shadow: 0 3px 15px 0 rgb(0 0 0 \/ 12%);\n border-radius: 1.5rem;\n -webkit-transition: -webkit-transform .3s ease 0s;\n transition: -webkit-transform .3s ease 0s;\n transition: transform .3s ease 0s;\n transition: transform .3s ease 0s, -webkit-transform .3s ease 0s;\n padding: 60px;\n border-bottom: 4px solid var(--primary);\n text-align: center;\n height: 100%\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 .tns-inner {\n margin-top: 15px !important\n }\n\n [digood-page-content] ._section-features_1k55i_648 .feature-item:hover {\n -webkit-transform: translateY(-10px);\n transform: translateY(-10px);\n -webkit-box-shadow: 0 1rem 3rem rgb(31 45 61 \/ 13%);\n box-shadow: 0 1rem 3rem rgb(31 45 61 \/ 13%)\n }\n\n [digood-page-content] ._section-features_1k55i_648 .feature-item.padding-small {\n padding: 30px\n }\n\n @media (max-width:991px) {\n [digood-page-content] ._section-features_1k55i_648 .feature-item {\n padding: 30px\n }\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 .feature-title {\n letter-spacing: -1.2px;\n font-size: 20px;\n line-height: 30px;\n height: 60px;\n margin: 15px 0;\n text-transform: capitalize\n }\n\n [digood-page-content] ._section-features_1k55i_648 .feature-item .feature-text {\n color: #666;\n font-size: 16px;\n font-weight: 400;\n line-height: 30px;\n letter-spacing: 0;\n margin-bottom: 0\n }\n\n [digood-page-content] ._section-about_1k55i_568 ._row_1k55i_160 {\n align-items: center\n }\n\n [digood-page-content] ._section-about_1k55i_568 ._about-info_1k55i_569 ._section-title_1k55i_498 {\n font-size: 32px;\n font-weight: 600;\n line-height: 1.3;\n margin-bottom: 15px;\n text-transform: capitalize\n }\n\n [digood-page-content] ._section-about_1k55i_568 ._about-info_1k55i_569 p {\n font-size: 16px;\n line-height: 1.6;\n color: #555556;\n margin-bottom: 15px\n }\n\n [digood-page-content] ._section-block_1k55i_573:nth-child(even) {\n background-color: #f8f9fa\n }\n\n [digood-page-content] ._section-block_1k55i_573:nth-child(odd) ._row_1k55i_160 {\n flex-direction: row-reverse\n }\n\n @media (min-width:769px) {\n [digood-page-content] ._section-block_1k55i_573 ._block-image-wrap_1k55i_577 {\n padding: 0 30px\n }\n }\n\n @media (min-width:992px) {\n [digood-page-content] ._section-block_1k55i_573 ._block-image-wrap_1k55i_577 {\n padding: 0 60px\n }\n }\n\n [digood-page-content] ._section-block_1k55i_573 ._block-image_1k55i_577 {\n position: relative;\n width: 100%;\n overflow: hidden;\n padding: 0\n }\n\n [digood-page-content] ._section-block_1k55i_573 ._block-image_1k55i_577:before {\n content: ' ';\n display: block;\n padding-top: 66.66%\n }\n\n [digood-page-content] ._section-block_1k55i_573 ._block-image_1k55i_577 img {\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-block_1k55i_573 .block-info {\n height: 100%;\n display: flex;\n flex-direction: column;\n justify-content: center;\n padding: 30px\n }\n\n [digood-page-content] ._section-block_1k55i_573 ._col-md-6_1k55i_172 {\n display: flex;\n align-items: center\n }\n\n [digood-page-content] ._section-block_1k55i_573 .block-info ._section-title_1k55i_498 {\n color: #343434;\n font-size: 24px;\n font-weight: 600;\n margin-bottom: 30px;\n text-transform: capitalize\n }\n\n [digood-page-content] ._section-block_1k55i_573 .block-info,\n [digood-page-content] ._section-block_1k55i_573 .block-info p {\n font-size: 16px;\n line-height: 1.6;\n color: #555556\n }\n\n [digood-page-content] ._section-product_1k55i_572 {\n background-color: #fafafa\n }\n\n [digood-page-content] ._section-product_1k55i_572 ._col-md-6_1k55i_172 {\n margin-bottom: 30px\n }\n\n [digood-page-content] ._section-product_1k55i_572 ._product-item_1k55i_572 {\n position: relative;\n text-align: center;\n border-bottom: 4px solid var(--primary);\n box-shadow: 0 3px 10px 0 rgb(0 0 0 \/ 10%);\n height: 100%\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 img {\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 .product-overlay {\n position: absolute;\n height: 100%;\n width: 100%;\n top: 0;\n left: 0;\n right: 0;\n bottom: 0;\n display: flex;\n justify-content: center;\n align-items: center;\n background-color: rgba(255, 255, 255, .59);\n visibility: hidden;\n opacity: 0;\n transition: all .3s ease-in-out 0s\n }\n\n [digood-page-content] ._section-product_1k55i_572 ._product-item_1k55i_572:hover .product-overlay {\n visibility: visible;\n opacity: 1\n }\n\n [digood-page-content] ._section-product_1k55i_572 ._product-item_1k55i_572 ._card-body_1k55i_245 {\n text-align: center;\n padding: 1.25rem\n }\n\n [digood-page-content] ._section-product_1k55i_572 ._product-item_1k55i_572 ._card-body_1k55i_245 h4 {\n margin: 0\n }\n\n [digood-page-content] ._section-product_1k55i_572 ._product-item_1k55i_572 ._card-body_1k55i_245 a {\n display: block;\n color: #343434;\n font-size: 16px;\n font-weight: 400;\n line-height: 1.4;\n max-height: 5.6em;\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: #ededed\n }\n\n [digood-page-content] ._section-reviews_1k55i_648 ._row_1k55i_160 {\n justify-content: center\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 padding-top: 40px;\n height: 100%;\n cursor: pointer;\n position: relative;\n -webkit-transition: all .4s ease;\n transition: all .4s ease;\n text-align: center\n }\n\n [digood-page-content] ._section-reviews_1k55i_648 .review-item>._icon_1k55i_658 {\n width: 60px;\n height: 60px;\n position: absolute;\n left: -10px;\n top: 0;\n color: #000\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 padding: 30px 0;\n text-align: center;\n display: inline-block\n }\n\n [digood-page-content] ._section-reviews_1k55i_648 .review-item .name-box .name-image {\n width: 80px;\n height: 80px;\n border-radius: 50%;\n overflow: hidden;\n text-align: center;\n display: inline-block\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-reviews_1k55i_648 ._slider-wrap_1k55i_471 .tns-controls {\n text-align: center\n }\n\n [digood-page-content] ._section-reviews_1k55i_648 ._slider-wrap_1k55i_471 .tns-controls button {\n height: 35px;\n width: 35px;\n background-color: var(--primary);\n color: #fff;\n border-radius: 4px;\n outline: 0;\n padding: 8px;\n margin: 5px;\n border: 0;\n box-shadow: 0 1px 5px var(--primary)\n }\n\n [digood-page-content] ._section-reviews_1k55i_648 ._slider-wrap_1k55i_471 .tns-controls button ._icon_1k55i_658 {\n font-size: 18px;\n display: block\n }\n\n [digood-page-content] ._section-faq_1k55i_648 {\n background-color: #fafafa\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 40px;\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 40px 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] ._btn-more_1k55i_706 {\n display: inline-block;\n vertical-align: middle;\n -webkit-user-select: none;\n -moz-user-select: none;\n -ms-user-select: none;\n user-select: none;\n text-decoration: none;\n background-color: transparent;\n border: 1px solid transparent;\n transition: color .15s ease-in-out, background-color .15s ease-in-out, border-color .15s ease-in-out, box-shadow .15s ease-in-out;\n font-size: 16px;\n font-weight: 500;\n color: var(--primary);\n line-height: 1;\n text-align: center;\n padding: 0;\n border-radius: 6px;\n outline: 0 none;\n position: relative;\n z-index: 1;\n margin-top: 25px;\n text-transform: capitalize\n }\n\n [digood-page-content] ._btn-more_1k55i_706:before {\n position: absolute;\n content: '';\n height: 2px;\n width: 100%;\n border-radius: 4px;\n background-color: var(--primary);\n top: calc(100% + 3px);\n visibility: hidden;\n opacity: 0;\n transition: all .3s ease-in-out 0s\n }\n\n [digood-page-content] ._btn-more_1k55i_706:hover:before {\n visibility: visible;\n opacity: 1\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 font-size: 14px;\n height: 50px;\n width: 100%;\n background-color: #fdfcfb;\n padding: 0 15px;\n border: none;\n -webkit-box-shadow: none;\n box-shadow: none;\n border-radius: 0;\n -webkit-box-shadow: 0 5px 10px rgb(0 0 0 \/ 10%);\n box-shadow: 0 5px 10px rgb(0 0 0 \/ 10%);\n -webkit-transition: .5s;\n transition: .5s\n }\n\n [digood-page-content] ._section-contact_1k55i_757 ._contact-form_1k55i_777 textarea {\n height: 210px;\n padding: 15px\n }\n\n [digood-page-content] ._section-contact_1k55i_757 ._contact-form_1k55i_777 ._btn-action_1k55i_545 {\n font-size: 15px;\n font-weight: 500;\n color: #fff;\n line-height: 1;\n text-align: center;\n padding: 18px 30px;\n border-radius: 6px;\n outline: 0 none;\n position: relative;\n z-index: 1;\n height: 60px;\n border-radius: 8px;\n background: var(--primary);\n cursor: pointer;\n margin-top: 30px\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-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\n [dir=rtl] [digood-page-content] ._section-features_1k55i_648 .feature-item {\n border-right: none;\n border-left: 1px solid #ececec\n }\n\n [dir=rtl] [digood-page-content] ._section-features_1k55i_648 .feature-item:last-child {\n border-left: none\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: transparent;\n -webkit-transition: .3s;\n transition: .3s\n }\n\n .header.fixed {\n position: fixed;\n top: 0;\n right: 0;\n left: 0;\n z-index: 1050;\n background: #fff;\n -webkit-box-shadow: rgb(0 0 0 \/ 10%) 0 0 20px;\n box-shadow: rgb(0 0 0 \/ 10%) 0 0 20px\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: #444;\n font-size: 14px;\n font-weight: 500;\n display: block;\n padding: 0 20px;\n line-height: 90px;\n text-transform: uppercase;\n -webkit-transition: .3s;\n transition: .3s\n }\n\n .header.fixed .nav-menu>li>a.active,\n .header.fixed .nav-menu>li>a:hover,\n .nav-menu>li>a.active,\n .nav-menu>li>a:hover {\n color: var(--primary)\n }\n\n .header.fixed .nav-menu>li>a {\n color: #444\n }\n\n .nav-menu>li:last-child>a {\n padding-right: 0\n }\n\n .fixed .nav-logo {\n height: 50px\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\": 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src=\"https:\/\/seo-console-assets.goalsites.com\/uploads\/covna-china_com\/97dfe27b-2f9f-40d0-844f-f07ec5d9f938.png?t=1666644976&x-oss-process=image\/resize,w_500,h_500\/format,webp\" width=\"450\" height=\"500\" alt=\"Obertura i tancament r\u00e0pid | v\u00e0lvula de bola | Venda directa de f\u00e0brica\" 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\">Obertura i tancament r\u00e0pid | v\u00e0lvula de bola | Venda directa de f\u00e0brica<\/h1>\n <\/div>\n <div class=\"_text_1k55i_509\">La bola de la v\u00e0lvula de bola \u00e9s fixa i no es mou despr\u00e9s de ser pressionada. La v\u00e0lvula de bola fixa est\u00e0 equipada amb un seient de v\u00e0lvula flotant. Despr\u00e9s de rebre la pressi\u00f3 del medi, el seient de la v\u00e0lvula es mour\u00e0, de manera que l'anell de segellat es pressioni fortament sobre la pilota per garantir el segellat.<\/div> <a href=\"#section-contact\" class=\"_btn-action_1k55i_545 menu-item-link _btn-scroll_1k55i_778\" name=\"btn-section-home\">Obteniu un pressupost<\/a>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/section><section id=\"section-features\" class=\"_section-features_1k55i_648\"><div class=\"_container_1k55i_128\">\n <div class=\"_row_1k55i_160\">\n <div class=\"_col-md-6_1k55i_172 _col-xl-3_1k55i_177\">\n <div class=\"feature-item padding-small\">\n <div class=\"icon-box\"> <img src=\"https:\/\/seo-console-assets.goalsites.com\/uploads\/covna-china_com\/3d822ab9-e000-4f57-967a-3b6250509c96.png?t=1666644976&x-oss-process=image\/resize,w_60,h_60\/format,webp\" width=\"60\" height=\"60\" alt=\"Artesania exquisida\" class=\"_img-fluid_1k55i_123\">\n<\/div>\n <h3 class=\"feature-title\">Artesania 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class=\"feature-text\">Certificaci\u00f3 internacional ISO9001 Adherir-se a processos de producci\u00f3 estandarditzats Assaig de durabilitat d'1 mili\u00f3 de cicles<\/p>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/section><section id=\"section-products\" class=\"_section-padding_1k55i_514 _section-product_1k55i_572\"><div class=\"_container_1k55i_128\">\n <div class=\"_section-header_1k55i_494 _center_1k55i_505\">\n <h5 class=\"_section-subtitle_1k55i_498\">Productes relacionats<\/h5>\n <h2 class=\"_section-title_1k55i_498\">M\u00e9s elements sobre v\u00e0lvula de bola<\/h2>\n <\/div>\n <div class=\"_row_1k55i_160\">\n <div class=\"_col-md-6_1k55i_172 _col-xl-3_1k55i_177\">\n <div class=\"_product-item_1k55i_572 _card_1k55i_233\">\n <div class=\"_card-image_1k55i_577\"> <a href=\"\/product\/high-temperature-2-way-brass-steam-hot-water-solenoid-ball-valve.html\" title=\"V\u00e0lvula de bola solenoide d'aigua calenta de vapor de vapor d'alta temperatura 2 way\"> <img src=\"\/\/upload.digoodcms.com\/728\/image_1645083466_High-Temperature-2-Way-Brass-Steam-Hot-Water_yythkg-(1).png?imageView2\/1\/w\/450\/h\/450\/format\/webp\" width=\"450\" height=\"450\" alt=\"V\u00e0lvula de bola solenoide d'aigua calenta de vapor de vapor d'alta temperatura 2 way\" class=\"_img-fluid_1k55i_123\"><\/a> <\/div>\n <div class=\"_card-body_1k55i_245\">\n <h4>\n<a href=\"\/product\/high-temperature-2-way-brass-steam-hot-water-solenoid-ball-valve.html\">V\u00e0lvula de bola solenoide d'aigua calenta de vapor de vapor d'alta temperatura 2 way<\/a> <\/h4>\n <\/div>\n <div class=\"product-overlay\"> <a href=\"\/product\/high-temperature-2-way-brass-steam-hot-water-solenoid-ball-valve.html\" class=\"_btn-action_1k55i_545\">Veure detalls<\/a> <\/div>\n <\/div>\n <\/div>\n <div class=\"_col-md-6_1k55i_172 _col-xl-3_1k55i_177\">\n <div class=\"_product-item_1k55i_572 _card_1k55i_233\">\n <div class=\"_card-image_1k55i_577\"> <a href=\"\/product\/covna-2w21-plastic-pvc-water-solenoid-ball-valve.html\" title=\"Covna 2W21 V\u00e0lvula solenoide d'aigua de PVC COVNA 2W21\"> <img src=\"\/\/upload.digoodcms.com\/728\/image_1645079496_Plastic-solenoid-valve01.jpg?imageView2\/1\/w\/450\/h\/450\/format\/webp\" width=\"450\" height=\"450\" alt=\"Covna 2W21 V\u00e0lvula solenoide d'aigua de PVC COVNA 2W21\" class=\"_img-fluid_1k55i_123\"><\/a> <\/div>\n <div class=\"_card-body_1k55i_245\">\n <h4>\n<a href=\"\/product\/covna-2w21-plastic-pvc-water-solenoid-ball-valve.html\">Covna 2W21 V\u00e0lvula solenoide d'aigua de PVC COVNA 2W21<\/a> <\/h4>\n <\/div>\n <div class=\"product-overlay\"> <a href=\"\/product\/covna-2w21-plastic-pvc-water-solenoid-ball-valve.html\" class=\"_btn-action_1k55i_545\">Veure detalls<\/a> <\/div>\n <\/div>\n <\/div>\n <div class=\"_col-md-6_1k55i_172 _col-xl-3_1k55i_177\">\n <div class=\"_product-item_1k55i_572 _card_1k55i_233\">\n <div class=\"_card-image_1k55i_577\"> <a href=\"\/product\/covna-hk56t-series-pneumatic-3-way-thread-ball-valve.html\" title=\"Covna HK56T s\u00e8rie pneum\u00e0tica de bola de rosca de 3 vies\"> <img src=\"\/\/upload.digoodcms.com\/728\/image_1644572836_HK56-T-Pneumatic-3-Way-Ball-Valve-1.jpg?imageView2\/1\/w\/450\/h\/450\/format\/webp\" width=\"450\" height=\"450\" alt=\"Covna HK56T s\u00e8rie pneum\u00e0tica de bola de rosca de 3 vies\" class=\"_img-fluid_1k55i_123\"><\/a> <\/div>\n <div class=\"_card-body_1k55i_245\">\n <h4>\n<a href=\"\/product\/covna-hk56t-series-pneumatic-3-way-thread-ball-valve.html\">Covna HK56T s\u00e8rie pneum\u00e0tica de bola de rosca de 3 vies<\/a> <\/h4>\n <\/div>\n <div class=\"product-overlay\"> <a href=\"\/product\/covna-hk56t-series-pneumatic-3-way-thread-ball-valve.html\" class=\"_btn-action_1k55i_545\">Veure detalls<\/a> <\/div>\n <\/div>\n <\/div>\n <div class=\"_col-md-6_1k55i_172 _col-xl-3_1k55i_177\">\n <div class=\"_product-item_1k55i_572 _card_1k55i_233\">\n <div class=\"_card-image_1k55i_577\"> <a href=\"\/product\/covna-hk60-q-p-2-way-true-union-pvc-electric-ball-valve.html\" title=\"COVNA HK60-Q-P 2 V\u00e0lvula de bola el\u00e8ctrica de PVC de veritable uni\u00f3\"> <img src=\"\/\/upload.digoodcms.com\/728\/image_1638867067_HK60-Q-P-Motorized-PVC-Ball-Valve.jpg?imageView2\/1\/w\/450\/h\/450\/format\/webp\" width=\"450\" height=\"450\" alt=\"COVNA HK60-Q-P 2 V\u00e0lvula de bola el\u00e8ctrica de PVC de veritable uni\u00f3\" class=\"_img-fluid_1k55i_123\"><\/a> <\/div>\n <div class=\"_card-body_1k55i_245\">\n <h4>\n<a href=\"\/product\/covna-hk60-q-p-2-way-true-union-pvc-electric-ball-valve.html\">COVNA HK60-Q-P 2 V\u00e0lvula de bola el\u00e8ctrica de PVC de veritable uni\u00f3<\/a> <\/h4>\n <\/div>\n <div class=\"product-overlay\"> <a href=\"\/product\/covna-hk60-q-p-2-way-true-union-pvc-electric-ball-valve.html\" class=\"_btn-action_1k55i_545\">Veure detalls<\/a> <\/div>\n <\/div>\n <\/div>\n <div class=\"_col-md-6_1k55i_172 _col-xl-3_1k55i_177\">\n <div class=\"_product-item_1k55i_572 _card_1k55i_233\">\n <div class=\"_card-image_1k55i_577\"> <a href=\"\/product\/covna-hk57-t-double-union-pvc-3-way-pneumatic-actuator-ball-valve.html\" title=\"Covna HK57-T V\u00e0lvula de bola d'actuador pneum\u00e0tic de doble uni\u00f3 PVC 3 Vies\"> <img src=\"\/\/upload.digoodcms.com\/728\/image_1644575004_HK57-Pneumatic-Plastic-Ball-Valve-3.jpg?imageView2\/1\/w\/450\/h\/450\/format\/webp\" width=\"450\" height=\"450\" alt=\"Covna HK57-T V\u00e0lvula de bola d'actuador pneum\u00e0tic de doble uni\u00f3 PVC 3 Vies\" class=\"_img-fluid_1k55i_123\"><\/a> <\/div>\n <div class=\"_card-body_1k55i_245\">\n <h4>\n<a href=\"\/product\/covna-hk57-t-double-union-pvc-3-way-pneumatic-actuator-ball-valve.html\">Covna HK57-T V\u00e0lvula de bola d'actuador pneum\u00e0tic de doble uni\u00f3 PVC 3 Vies<\/a> <\/h4>\n <\/div>\n <div class=\"product-overlay\"> <a href=\"\/product\/covna-hk57-t-double-union-pvc-3-way-pneumatic-actuator-ball-valve.html\" class=\"_btn-action_1k55i_545\">Veure detalls<\/a> <\/div>\n <\/div>\n <\/div>\n <div class=\"_col-md-6_1k55i_172 _col-xl-3_1k55i_177\">\n <div class=\"_product-item_1k55i_572 _card_1k55i_233\">\n <div class=\"_card-image_1k55i_577\"> <a href=\"\/product\/covna-hk56t-series-pneumatic-3-way-thread-ball-valve.html\" title=\"Covna HK56T s\u00e8rie pneum\u00e0tica de bola de rosca de 3 vies\"> <img src=\"\/\/upload.digoodcms.com\/728\/image_1644572836_HK56-T-Pneumatic-3-Way-Ball-Valve-1.jpg?imageView2\/1\/w\/450\/h\/450\/format\/webp\" width=\"450\" height=\"450\" alt=\"Covna HK56T s\u00e8rie pneum\u00e0tica de bola de rosca de 3 vies\" class=\"_img-fluid_1k55i_123\"><\/a> <\/div>\n <div class=\"_card-body_1k55i_245\">\n <h4>\n<a href=\"\/product\/covna-hk56t-series-pneumatic-3-way-thread-ball-valve.html\">Covna HK56T s\u00e8rie pneum\u00e0tica de bola de rosca de 3 vies<\/a> <\/h4>\n <\/div>\n <div class=\"product-overlay\"> <a href=\"\/product\/covna-hk56t-series-pneumatic-3-way-thread-ball-valve.html\" class=\"_btn-action_1k55i_545\">Veure detalls<\/a> <\/div>\n <\/div>\n <\/div>\n <div class=\"_col-md-6_1k55i_172 _col-xl-3_1k55i_177\">\n <div class=\"_product-item_1k55i_572 _card_1k55i_233\">\n <div class=\"_card-image_1k55i_577\"> <a href=\"\/product\/covna-hk56w-2-way-pneumatic-operated-sanitary-ball-valve.html\" title=\"COVNA HK56W 2 V\u00e0lvula de bola sanit\u00e0ria accionada pneum\u00e0tica\"> <img src=\"\/\/upload.digoodcms.com\/728\/image_1639015324_%E6%B0%94%E5%8A%A8%E5%8D%AB%E7%94%9F%E7%BA%A7%E4%B8%A4%E9%80%9A%E7%90%83%E9%98%80-(2).jpg?imageView2\/1\/w\/450\/h\/450\/format\/webp\" width=\"450\" height=\"450\" alt=\"COVNA HK56W 2 V\u00e0lvula de bola sanit\u00e0ria accionada pneum\u00e0tica\" class=\"_img-fluid_1k55i_123\"><\/a> <\/div>\n <div class=\"_card-body_1k55i_245\">\n <h4>\n<a href=\"\/product\/covna-hk56w-2-way-pneumatic-operated-sanitary-ball-valve.html\">COVNA HK56W 2 V\u00e0lvula de bola sanit\u00e0ria accionada pneum\u00e0tica<\/a> <\/h4>\n <\/div>\n <div class=\"product-overlay\"> <a href=\"\/product\/covna-hk56w-2-way-pneumatic-operated-sanitary-ball-valve.html\" class=\"_btn-action_1k55i_545\">Veure detalls<\/a> <\/div>\n <\/div>\n <\/div>\n <div class=\"_col-md-6_1k55i_172 _col-xl-3_1k55i_177\">\n <div class=\"_product-item_1k55i_572 _card_1k55i_233\">\n <div class=\"_card-image_1k55i_577\"> <a href=\"\/product\/hk60-d-ms-stainless-steel-lug-type-electric-butterfly-valve.html\" title=\"V\u00e0lvula de papallona el\u00e8ctrica tipus HK60-D-MS d'acer inoxidable\"> <img src=\"\/\/upload.digoodcms.com\/728\/image_1639380326_HK60-D-MS-Stainless-Steel-Lug-Type-Electric-Operated_yythk-(1).jpg?imageView2\/1\/w\/450\/h\/450\/format\/webp\" width=\"450\" height=\"450\" alt=\"V\u00e0lvula de papallona el\u00e8ctrica tipus HK60-D-MS d'acer inoxidable\" class=\"_img-fluid_1k55i_123\"><\/a> <\/div>\n <div class=\"_card-body_1k55i_245\">\n <h4>\n<a href=\"\/product\/hk60-d-ms-stainless-steel-lug-type-electric-butterfly-valve.html\">V\u00e0lvula de papallona el\u00e8ctrica tipus HK60-D-MS d'acer inoxidable<\/a> <\/h4>\n <\/div>\n <div class=\"product-overlay\"> <a href=\"\/product\/hk60-d-ms-stainless-steel-lug-type-electric-butterfly-valve.html\" class=\"_btn-action_1k55i_545\">Veure detalls<\/a> <\/div>\n <\/div>\n <\/div>\n <\/div>\n <div class=\"text-center\"> <a href=\"https:\/\/ca.covna-china.com\/products\/all.html\" class=\"btn _btn-more_1k55i_706\" name=\"btn-section-products\">VEURE M\u00c9S<svg class=\"_icon_1k55i_658\" width=\"24\" height=\"24\" viewbox=\"0 0 24 24\"><path d=\"M4,15V9H12V4.16L19.84,12L12,19.84V15H4Z\"><\/path><\/svg><\/a> <\/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=\"about-image\">\n <div class=\"_embed-responsive_1k55i_251 _embed-responsive-16by9_1k55i_274\"> <iframe width=\"560\" height=\"315\" loading=\"lazy\" data-src=\"https:\/\/www.youtube.com\/embed\/RvD1R8Tlr9M\" frameborder=\"0\" allowfullscreen><\/iframe> <\/div>\n <\/div>\n <\/div>\n <div class=\"_col-md-6_1k55i_172\">\n <div class=\"_about-info_1k55i_569\">\n <h2 class=\"_section-title_1k55i_498\">Com funcionen les v\u00e0lvules de bola<\/h2>\n <div class=\"_text_1k55i_509\">\n <p>COVNA Industrial Automation Co, Ltd es va establir el 2000, un especialista en v\u00e0lvules automatitzades. Amb seu a Dongguan, Xina, amb 3 bases de producci\u00f3 situades a Ningbo, Wenzhou i Dongguan.<\/p>\n <p>Proporcionem v\u00e0lvula el\u00e8ctrica, v\u00e0lvula solenoide, v\u00e0lvula pneum\u00e0tica, v\u00e0lvula de porta el\u00e8ctrica, v\u00e0lvula de papallona el\u00e8ctrica, v\u00e0lvula de control pneum\u00e0tica, v\u00e0lvula motoritzada, v\u00e0lvula de porta de ganivet pneum\u00e0tica, v\u00e0lvula de control pneum\u00e0tica, v\u00e0lvula accionada pneum\u00e0tica, v\u00e0lvula accionada motoritzada, v\u00e0lvula de bola el\u00e8ctrica, v\u00e0lvula de bola, v\u00e0lvula de porta, v\u00e0lvula de porta, v\u00e0lvula de papallona, v\u00e0lvula de globus, etc., Podeu navegar per productes relacionats i iniciar consultes al nostre lloc web.<\/p>\n <\/div> <a href=\"https:\/\/ca.covna-china.com\/page\/about-us.html\" class=\"btn _btn-more_1k55i_706\" name=\"btn-section-about\">M\u00e9s informaci\u00f3<svg class=\"_icon_1k55i_658\" width=\"24\" height=\"24\" viewbox=\"0 0 24 24\"><path d=\"M4,15V9H12V4.16L19.84,12L12,19.84V15H4Z\"><\/path><\/svg><\/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 <div class=\"_row_1k55i_160\">\n <div class=\"_col-md-6_1k55i_172\">\n <div class=\"block-info\">\n <h2 class=\"_section-title_1k55i_498\">Llum d'interruptor de v\u00e0lvula de bola<\/h2>\n <div class=\"_section-text_1k55i_498 _text_1k55i_509\">\n <p>At\u00e8s que la part inferior de l'anell de segellat de la v\u00e0lvula de bola segellada durament adopta una molla per fer que l'anell de segellat i el nucli de la v\u00e0lvula s'abracin fortament junts, l'interruptor \u00e9s molt lleuger quan la for\u00e7a externa supera la for\u00e7a de preestrenament de la molla.<\/p>\n <\/div>\n <\/div>\n <\/div>\n <div class=\"_col-md-6_1k55i_172 _block-image-wrap_1k55i_577\">\n <div class=\"_block-image_1k55i_577\"> <img class=\"_img-fluid_1k55i_123\" src=\"https:\/\/seo-console-assets.goalsites.com\/uploads\/covna-china_com\/22cd5cc2-dfe0-4c4f-8aff-f6832da6696b.png?t=1666644976&x-oss-process=image\/resize,w_500,h_600\/format,webp\" width=\"600\" height=\"500\" alt=\"Llum d'interruptor de v\u00e0lvula de bola\">\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 <div class=\"_row_1k55i_160\">\n <div class=\"_col-md-6_1k55i_172\">\n <div class=\"block-info\">\n <h2 class=\"_section-title_1k55i_498\">V\u00e0lvula resistent al desgast<\/h2>\n <div class=\"_section-text_1k55i_498 _text_1k55i_509\">\n <p>At\u00e8s que el nucli de la v\u00e0lvula de bola segellada durament est\u00e0 soldat per polvoritzaci\u00f3 amb acer d'aliatge i l'anell de segellat est\u00e0 soldat amb acer d'aliatge, la v\u00e0lvula de bola segellada durament no produir\u00e0 massa desgast quan s'enc\u00e9n i s'apaga.<\/p>\n <\/div>\n <\/div>\n <\/div>\n <div class=\"_col-md-6_1k55i_172 _block-image-wrap_1k55i_577\">\n <div class=\"_block-image_1k55i_577\"> <img class=\"_img-fluid_1k55i_123\" src=\"https:\/\/seo-console-assets.goalsites.com\/uploads\/covna-china_com\/30960ecd-43f9-4695-a096-14fe8e3a4b87.png?t=1666644976&x-oss-process=image\/resize,w_500,h_600\/format,webp\" width=\"600\" height=\"500\" alt=\"V\u00e0lvula resistent al desgast\">\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 <div class=\"_row_1k55i_160\">\n <div class=\"_col-md-6_1k55i_172\">\n <div class=\"block-info\">\n <h2 class=\"_section-title_1k55i_498\">La v\u00e0lvula de bola t\u00e9 un bon rendiment de segellat<\/h2>\n <div class=\"_section-text_1k55i_498 _text_1k55i_509\">\n <p>Com que la v\u00e0lvula de bola segellada durament es basa manualment, no es pot utilitzar fins que el nucli de la v\u00e0lvula i l'anell de segellat coincideixin completament. Per tant, el seu rendiment de segellat \u00e9s fiable.<\/p>\n <\/div>\n <\/div>\n <\/div>\n <div class=\"_col-md-6_1k55i_172 _block-image-wrap_1k55i_577\">\n <div class=\"_block-image_1k55i_577\"> <img class=\"_img-fluid_1k55i_123\" src=\"https:\/\/seo-console-assets.goalsites.com\/uploads\/covna-china_com\/96185859-e43d-408b-9d86-9d86f043b1b8.png?t=1666644976&x-oss-process=image\/resize,w_500,h_600\/format,webp\" width=\"600\" height=\"500\" alt=\"La v\u00e0lvula de bola t\u00e9 un bon rendiment de segellat\">\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 <div class=\"_row_1k55i_160\">\n <div class=\"_col-md-6_1k55i_172\">\n <div class=\"block-info\">\n <h2 class=\"_section-title_1k55i_498\">V\u00e0lvula de bola per funci\u00f3<\/h2>\n <div class=\"_section-text_1k55i_498 _text_1k55i_509\">\n <p>1) V\u00e0lvula de bypass: La v\u00e0lvula de bola s'obre generalment per aigua est\u00e0tica, de manera que la v\u00e0lvula de bypass s'estableix primer com a pressi\u00f3 plana, \u00e9s a dir, ambd\u00f3s costats s'omplen d'aigua;<br>2) V\u00e0lvula d'aire: en omplir-se d'aigua, la boia tancar\u00e0 autom\u00e0ticament la v\u00e0lvula quan es retiri l'aire; en drenar-se, la boia caur\u00e0 sola quan s'utilitzi per reposar aire;<br>3) V\u00e0lvula d'alleujament a pressi\u00f3: en obrir i tancar la v\u00e0lvula, traieu l'aigua a pressi\u00f3 entre la v\u00e0lvula i la tapa de segellat per evitar portar la tapa de segellat;<br>4) V\u00e0lvula d'aig\u00fces residuals: drenen les aig\u00fces residuals a la part inferior de la closca de la bola.<\/p>\n <\/div>\n <\/div>\n <\/div>\n <div class=\"_col-md-6_1k55i_172 _block-image-wrap_1k55i_577\">\n <div class=\"_block-image_1k55i_577\"> <img class=\"_img-fluid_1k55i_123\" src=\"https:\/\/seo-console-assets.goalsites.com\/uploads\/covna-china_com\/eca30575-5bb2-44fb-a27d-7dc0d4e75126.png?t=1666644976&x-oss-process=image\/resize,w_500,h_600\/format,webp\" width=\"600\" height=\"500\" alt=\"V\u00e0lvula de bola per funci\u00f3\">\n<\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/section><section id=\"section-reviews\" class=\"_section-padding_1k55i_514 _section-reviews_1k55i_648 scrollspy\"><div class=\"_container_1k55i_128\">\n <div class=\"_section-header_1k55i_494 _center_1k55i_505\">\n <h5 class=\"_section-subtitle_1k55i_498\">Opinions dels usuaris<\/h5>\n <h2 class=\"_section-title_1k55i_498\">Qu\u00e8 diuen els usuaris sobre COVNA<\/h2>\n <\/div>\n <div class=\"_row_1k55i_160\">\n <div class=\"_col-lg-7_1k55i_175\">\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_1k55i_658\" width=\"24\" height=\"24\" viewbox=\"0 0 24 24\"><path fill=\"currentColor\" d=\"M10,7L8,11H11V17H5V11L7,7H10M18,7L16,11H19V17H13V11L15,7H18Z\"><\/path><\/svg><p>La m\u00e0 d'obra est\u00e0 al seu lloc i la qualitat \u00e9s molt bona d'un cop d'ull.<\/p>\n <div class=\"name-box\">\n <div class=\"name-text\">\n <h5 class=\"name-title\">Lle\u00f3<\/h5>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <div class=\"slider-item\">\n <div class=\"review-item\"> <svg class=\"_icon_1k55i_658\" width=\"24\" height=\"24\" viewbox=\"0 0 24 24\"><path fill=\"currentColor\" d=\"M10,7L8,11H11V17H5V11L7,7H10M18,7L16,11H19V17H13V11L15,7H18Z\"><\/path><\/svg><p>Clients habituals, la col\u00b7laboraci\u00f3 ha estat molt feli\u00e7!<\/p>\n <div class=\"name-box\">\n <div class=\"name-text\">\n <h5 class=\"name-title\">Mons<\/h5>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <div class=\"slider-item\">\n <div class=\"review-item\"> <svg class=\"_icon_1k55i_658\" width=\"24\" height=\"24\" viewbox=\"0 0 24 24\"><path fill=\"currentColor\" d=\"M10,7L8,11H11V17H5V11L7,7H10M18,7L16,11H19V17H13V11L15,7H18Z\"><\/path><\/svg><p>La m\u00e0 d'obra est\u00e0 b\u00e9, la mida \u00e9s la correcta, el disseny est\u00e0 al seu lloc i el servei \u00e9s atent i atent.<\/p>\n <div class=\"name-box\">\n <div class=\"name-text\">\n <h5 class=\"name-title\">Kepler<\/h5>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/section><section id=\"section-faq\" class=\"_section-padding_1k55i_514 _section-faq_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\">Preguntes freq\u00fcents<\/h5>\n <h2 class=\"_section-title_1k55i_498\">Tens alguna pregunta?<\/h2>\n <\/div>\n <div class=\"_faq-list_18vzw_465\" itemscope itemtype=\"https:\/\/schema.org\/FAQPage\">\n <div class=\"_card_1k55i_233 _faq-item_1k55i_652\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n <div class=\"_card-header_18vzw_353\">\n <h4> <a data-toggle=\"faq_collapse\" href=\"#faq0\"> <span itemprop=\"name\">Qu\u00e8 \u00e9s una v\u00e0lvula de bola?<\/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\">\n <div class=\"_card-body_1k55i_245\">\n <p itemprop=\"text\">Les v\u00e0lvules de bola s\u00f3n v\u00e0lvules que permeten o aturen el flux de suports a trav\u00e9s d'una canonada. Una v\u00e0lvula de bola t\u00edpica inclou una entrada, una sortida i una carcassa per a la pr\u00f2pia v\u00e0lvula, que sol ser una forma esf\u00e8rica i buida. Una tija- que s'adapta de manera snuggly en una ranura a la part superior de la pilota- gira la pilota cap a una posici\u00f3 oberta o tancada.<\/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\">La v\u00e0lvula de bola es compon d'aquestes estructures<\/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\">La v\u00e0lvula de bola es compon de v\u00e0lvula de cos, esfera, seient de v\u00e0lvula, tija de v\u00e0lvula, suport i dispositiu de conducci\u00f3.<\/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\">Principi de la v\u00e0lvula de bola<\/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\">El principi de funcionament de la v\u00e0lvula de bola \u00e9s fer que la v\u00e0lvula es desbloquegi o es bloquegi girant la v\u00e0lvula. L'interruptor de la v\u00e0lvula de bola \u00e9s lleuger i petit, es pot convertir en un gran di\u00e0metre, un segellat fiable, una estructura senzilla, un manteniment convenient, la superf\u00edcie de segellat i la superf\u00edcie esf\u00e8rica sovint es tanquen i no \u00e9s f\u00e0cil ser erosionat pel medi. S'utilitza \u00e0mpliament en diverses ind\u00fastries.<\/p>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <div class=\"text-center\">\n <p> <a href=\"#section-contact\" class=\"btn _btn-more_1k55i_706 _btn-scroll_1k55i_778\" name=\"btn-section-faq\">No has trobat la resposta adequada? Pregunteu aqu\u00ed.<\/a> <\/p>\n <\/div>\n <\/div>\n <\/section><section id=\"section-contact\" class=\"_section-contact_1k55i_757 _section-padding_1k55i_514 scrollspy\"><div class=\"_container_1k55i_128\">\n <div class=\"_section-header_1k55i_494 _center_1k55i_505\">\n <h5 class=\"_section-subtitle_1k55i_498\">Posa't en contacte amb nosaltres<\/h5>\n <h2 class=\"_section-title_1k55i_498\">No dubtis a contactar amb nosaltres<\/h2>\n <\/div>\n <form action=\"\/\/inquiry.digoodcms.com\/api\/covna\" method=\"post\" class=\"_contact-form_1k55i_777\">\n <div class=\"_row_1k55i_160\">\n <div class=\"_col-md-6_1k55i_172\"> <input type=\"hidden\" name=\"_token\" value=\"qZCmRPwXL8MOz25mkERZeKZwoo1XcaZLQ3BUcKK3\"><input name=\"page\" type=\"hidden\" value=\"https:\/\/www.covna-china.com\/dlp\/ball-valve-suppliers.html\"><input id=\"backpage\" name=\"backpage\" type=\"hidden\" value=\"https:\/\/www.covna-china.com\/inquiryok?back=\/dlp\/ball-valve-suppliers.html\"><input id=\"ipAddress\" name=\"geoip[ipAddress]\" type=\"hidden\" value><input id=\"countryName\" name=\"geoip[countryName]\" type=\"hidden\" value><input id=\"countryCode\" name=\"geoip[countryCode]\" type=\"hidden\" value><input id=\"regionName\" name=\"geoip[regionName]\" type=\"hidden\" value><input id=\"cityName\" name=\"geoip[cityName]\" type=\"hidden\" value><input id=\"zipCode\" name=\"geoip[zipCode]\" type=\"hidden\" value><input id=\"latitude\" name=\"geoip[latitude]\" type=\"hidden\" value><input id=\"longitude\" name=\"geoip[longitude]\" type=\"hidden\" value><input id=\"timeZone\" name=\"geoip[timeZone]\" type=\"hidden\" value><input name=\"useragent[browser]\" type=\"hidden\" value=\"Chrome[68.0.3440.106]\"><input name=\"useragent[platform]\" type=\"hidden\" value=\"Windows 10\"><input name=\"useragent[lang]\" type=\"hidden\" value=\"zh-CN,zh;q=0.9\"><input name=\"useragent[mobile]\" type=\"hidden\" value=\"No\"><input name=\"useragent[agent_string]\" type=\"hidden\" value=\"Mozilla\/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit\/537.36 (KHTML, like Gecko) Chrome\/68.0.3440.106 Safari\/537.36\"><div class=\"_form-group_1k55i_777\"> <input type=\"text\" name=\"name\" placeholder=\"El teu nom *\" data-validate-field=\"name\">\n<\/div>\n <div class=\"_form-group_1k55i_777\"> <input type=\"text\" name=\"email\" placeholder=\"El teu correu electr\u00f2nic *\" data-validate-field=\"email\">\n<\/div>\n <div class=\"_form-group_1k55i_777\"> <input type=\"text\" name=\"phone\" placeholder=\"El teu tel\u00e8fon\">\n<\/div>\n <\/div>\n <div class=\"_col-md-6_1k55i_172\">\n <div class=\"_form-group_1k55i_777\"> <textarea name=\"message\" rows=\"3\" placeholder=\"Els teus missatges *\" data-validate-field=\"message\"><\/textarea>\n<\/div>\n <\/div>\n <div class=\"_col_1k55i_178\"> <\/div>\n <\/div>\n <div class=\"text-center\"> <button type=\"submit\" class=\"_btn-action_1k55i_545\"> <svg class=\"_icon_1k55i_658\" width=\"24\" height=\"24\" viewbox=\"0 0 24 24\"><path d=\"M2,21L23,12L2,3V10L17,12L2,14V21Z\"><\/path><\/svg>Enviar missatge<\/button> <\/div>\n <div class=\"_msg-wrap_1k55i_777\">\n <div class=\"_msg_1k55i_777 _msg-state_1k55i_777\">\n <div class=\"_alert_1k55i_251 _alert-info_1k55i_251\"> <svg class=\"_icon_1k55i_658 _icon-spin_1k55i_777\" viewbox=\"0 0 24 24\"><path d=\"M12,15.5A3.5,3.5 0 0,1 8.5,12A3.5,3.5 0 0,1 12,8.5A3.5,3.5 0 0,1 15.5,12A3.5,3.5 0 0,1 12,15.5M19.43,12.97C19.47,12.65 19.5,12.33 19.5,12C19.5,11.67 19.47,11.34 19.43,11L21.54,9.37C21.73,9.22 21.78,8.95 21.66,8.73L19.66,5.27C19.54,5.05 19.27,4.96 19.05,5.05L16.56,6.05C16.04,5.66 15.5,5.32 14.87,5.07L14.5,2.42C14.46,2.18 14.25,2 14,2H10C9.75,2 9.54,2.18 9.5,2.42L9.13,5.07C8.5,5.32 7.96,5.66 7.44,6.05L4.95,5.05C4.73,4.96 4.46,5.05 4.34,5.27L2.34,8.73C2.21,8.95 2.27,9.22 2.46,9.37L4.57,11C4.53,11.34 4.5,11.67 4.5,12C4.5,12.33 4.53,12.65 4.57,12.97L2.46,14.63C2.27,14.78 2.21,15.05 2.34,15.27L4.34,18.73C4.46,18.95 4.73,19.03 4.95,18.95L7.44,17.94C7.96,18.34 8.5,18.68 9.13,18.93L9.5,21.58C9.54,21.82 9.75,22 10,22H14C14.25,22 14.46,21.82 14.5,21.58L14.87,18.93C15.5,18.67 16.04,18.34 16.56,17.94L19.05,18.95C19.27,19.03 19.54,18.95 19.66,18.73L21.66,15.27C21.78,15.05 21.73,14.78 21.54,14.63L19.43,12.97Z\"><\/path><\/svg>Enviament del seu missatge. Si us plau esperi ...<\/div>\n <\/div>\n <div class=\"_msg_1k55i_777 _msg-success_1k55i_777\">\n <div class=\"_alert_1k55i_251 _alert-success_1k55i_251\" role=\"alert\"> <svg class=\"_icon_1k55i_658\" viewbox=\"0 0 24 24\"><path d=\"M9,20.42L2.79,14.21L5.62,11.38L9,14.77L18.88,4.88L21.71,7.71L9,20.42Z\"><\/path><\/svg>\u00c8xit! Gr\u00e0cies per enviar el teu missatge! Si us plau, assegureu-vos de comprovar el vostre correu electr\u00f2nic per confirmar-ho. En breu ens posarem en contacte amb tu.<\/div>\n <\/div>\n <div class=\"_msg_1k55i_777 _msg-error_1k55i_777\">\n <div class=\"_alert_1k55i_251 _alert-danger_1k55i_251\" role=\"alert\"> <svg class=\"_icon_1k55i_658\" viewbox=\"0 0 24 24\"><path d=\"M12,2C17.53,2 22,6.47 22,12C22,17.53 17.53,22 12,22C6.47,22 2,17.53 2,12C2,6.47 6.47,2 12,2M15.59,7L12,10.59L8.41,7L7,8.41L10.59,12L7,15.59L8.41,17L12,13.41L15.59,17L17,15.59L13.41,12L17,8.41L15.59,7Z\"><\/path><\/svg>Ui! , Hi ha hagut un problema en enviar el vostre missatge.. Torneu-ho a provar.<\/div>\n <\/div>\n <\/div>\n <\/form>\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 max-width: 960px\n }\n }\n\n @media (min-width:1200px) {\n #_section-links_1k55i_757 ._container_1k55i_128 {\n max-width: 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}\n\n #_section-links_1k55i_757._dark_13kno_387 ._tags-box_13kno_350 a:hover {\n border-color: #eee;\n color: #666\n }\n\n [dir=rtl] #_section-links_1k55i_757 {\n text-align: right\n }\n\n ._tags-tab_13kno_350 {\n display: flex;\n flex-direction: column\n }\n\n ._tags-tab_13kno_350 .tab-nav {\n list-style: none;\n display: flex;\n flex-wrap: wrap;\n padding: 0;\n margin-bottom: 15px\n }\n\n ._tags-tab_13kno_350.vetical {\n flex-direction: row\n }\n\n ._tags-tab_13kno_350.vetical .tab-nav {\n flex-direction: column;\n margin-right: 15px;\n padding-right: 15px;\n border-right: 1px solid #ddd\n }\n\n ._tags-tab_13kno_350.vetical .tab-nav .tab-item {\n width: 150px;\n padding: 5px 10px;\n margin-right: .5rem;\n border-bottom: 1px solid transparent\n }\n\n @media (min-width:768px) {\n ._tags-tab_13kno_350.vetical .tab-nav .tab-item {\n width: 220px\n }\n }\n\n ._tags-tab_13kno_350 .tab-nav .tab-link {\n display: inline-block;\n font-size: 14px;\n font-weight: 500;\n text-transform: capitalize;\n color: #666\n }\n\n ._tags-tab_13kno_350.vetical .tab-nav .tab-item {\n padding: 5px 0;\n margin-bottom: 5px\n }\n\n ._tags-tab_13kno_350 .tab-nav .tab-link ._icon_13kno_264 {\n margin-right: .5rem\n }\n\n ._tags-tab_13kno_350 .tab-nav .tab-item {\n margin-right: 1.5rem;\n margin-bottom: .5rem\n }\n\n ._tags-tab_13kno_350 .tab-nav .tab-item.active {\n border-color: #666\n }\n\n ._tags-tab_13kno_350 .tab-nav .tab-item.active .tab-link {\n color: #666\n }\n\n ._tags-tab_13kno_350.vetical .tab-content {\n min-height: 200px\n }\n\n ._tags-tab_13kno_350 .tab-content .tab-pane {\n display: none;\n height: 150px\n }\n\n ._tags-tab_13kno_350 .tab-content .tab-pane.show {\n display: block\n }\n\n [dir=rtl] ._tags-tab_13kno_350 .tab-nav .tab-link ._icon_13kno_264 {\n margin-right: 0;\n margin-left: .5rem\n }\n\n [dir=rtl] ._tags-tab_13kno_350 .tab-nav .tab-link {\n margin-right: 0;\n margin-left: .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:\/\/ca.covna-china.com\/dlp\/electric-valve.html\" class=\"tab-link\">v\u00e0lvula el\u00e8ctrica<\/a> <\/li>\n <li class=\"tab-item\" data-tab-target=\"#tab-1\"> <a href=\"https:\/\/ca.covna-china.com\/dlp\/solenoid-valve.html\" class=\"tab-link\">v\u00e0lvula solenoide<\/a> <\/li>\n <li class=\"tab-item\" data-tab-target=\"#tab-2\"> <a href=\"https:\/\/ca.covna-china.com\/dlp\/pneumatic-valve.html\" class=\"tab-link\">v\u00e0lvula pneum\u00e0tica<\/a> <\/li>\n <li class=\"tab-item\" data-tab-target=\"#tab-3\"> <a href=\"https:\/\/ca.covna-china.com\/dlp\/electric-gate-valve.html\" class=\"tab-link\">v\u00e0lvula de porta el\u00e8ctrica<\/a> <\/li>\n <li class=\"tab-item\" data-tab-target=\"#tab-4\"> <a href=\"https:\/\/ca.covna-china.com\/dlp\/electric-butterfly-valve.html\" class=\"tab-link\">v\u00e0lvula de papallona el\u00e8ctrica<\/a> <\/li>\n <li class=\"tab-item\" data-tab-target=\"#tab-5\"> <a href=\"https:\/\/ca.covna-china.com\/dlp\/motorized-valve.html\" class=\"tab-link\">v\u00e0lvula motoritzada<\/a> <\/li>\n <li class=\"tab-item\" data-tab-target=\"#tab-6\"> <a href=\"https:\/\/ca.covna-china.com\/dlp\/pneumatic-knife-gate-valve.html\" class=\"tab-link\">v\u00e0lvula de porta pneum\u00e0tica de ganivet<\/a> <\/li>\n <li class=\"tab-item\" data-tab-target=\"#tab-7\"> <a href=\"https:\/\/ca.covna-china.com\/dlp\/ball-valve.html\" class=\"tab-link\">v\u00e0lvula de bola<\/a> <\/li>\n <li class=\"tab-item\" data-tab-target=\"#tab-8\"> <a href=\"https:\/\/ca.covna-china.com\/dlp\/gate-valve.html\" class=\"tab-link\">v\u00e0lvula de porta<\/a> <\/li>\n <li class=\"tab-item\" data-tab-target=\"#tab-9\"> <a href=\"https:\/\/ca.covna-china.com\/dlp\/butterfly-valve.html\" class=\"tab-link\">v\u00e0lvula de papallona<\/a> <\/li>\n <li class=\"tab-item\" data-tab-target=\"#tab-10\"> <a href=\"https:\/\/ca.covna-china.com\/dlp\/globe-valve.html\" class=\"tab-link\">v\u00e0lvula de globus<\/a> <\/li>\n <li class=\"tab-item\" data-tab-target=\"#tab-11\"> <a href class=\"tab-link\"> <\/a> <\/li>\n <li class=\"tab-item\" data-tab-target=\"#tab-12\"> <a href class=\"tab-link\"> <\/a> <\/li>\n <li class=\"tab-item\" data-tab-target=\"#tab-13\"> <a href class=\"tab-link\"> <\/a> <\/li>\n <li class=\"tab-item\" data-tab-target=\"#tab-14\"> <a href class=\"tab-link\"> <\/a> <\/li>\n <li class=\"tab-item\" data-tab-target=\"#tab-15\"> <a href class=\"tab-link\"> <\/a> <\/li>\n <li class=\"tab-item\" data-tab-target=\"#tab-16\"> <a href class=\"tab-link\"> <\/a> <\/li>\n <\/ul>\n<div class=\"tab-content\">\n <div class=\"tab-pane show\" id=\"tab-0\" role=\"tabpanel\" aria-labelledby=\"tab-0\">\n <div class=\"_tags-box_13kno_350\"> <a href=\"https:\/\/ca.covna-china.com\/dlp\/ball-valve-actuators-electric.html\">actuadors de v\u00e0lvules de bola el\u00e8ctrics<\/a> <a 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href=\"https:\/\/ca.covna-china.com\/dlp\/pneumatic-knife-gate-valve-factory.html\">f\u00e0brica de v\u00e0lvules de porta de ganivets pneum\u00e0tics<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/pneumatic-knife-gate-valve-manufacturer.html\">fabricant de v\u00e0lvules de porta de ganivet pneum\u00e0tic<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/pneumatic-knife-gate-valve-manufacturers.html\">fabricants de v\u00e0lvules de porta de ganivets pneum\u00e0tics<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/pneumatic-knife-gate-valve-production.html\">producci\u00f3 de v\u00e0lvules de porta de ganivet pneum\u00e0tic<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/pneumatic-knife-gate-valve-seller.html\">venedor de v\u00e0lvules de porta de ganivet pneum\u00e0tic<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/pneumatic-knife-gate-valve-sellers.html\">venedors de v\u00e0lvules de porta de ganivets pneum\u00e0tics<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/pneumatic-knife-gate-valve-supplier.html\">prove\u00efdor de v\u00e0lvules de porta de ganivet pneum\u00e0tic<\/a> <\/div>\n <\/div>\n <div class=\"tab-pane\" id=\"tab-7\" role=\"tabpanel\" aria-labelledby=\"tab-7\">\n <div class=\"_tags-box_13kno_350\"> <a href=\"https:\/\/ca.covna-china.com\/dlp\/ball-valve-agencies.html\">ag\u00e8ncies de v\u00e0lvules de bola<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/ball-valve-agency.html\">ag\u00e8ncia de v\u00e0lvules de bola<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/ball-valve-brand.html\">marca de v\u00e0lvules de bola<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/ball-valve-company.html\">empresa de v\u00e0lvules de bola<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/ball-valve-factories.html\">f\u00e0briques de v\u00e0lvules de bola<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/ball-valve-factory.html\">f\u00e0brica de v\u00e0lvules de bola<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/ball-valve-for-sale.html\">v\u00e0lvula de bola per a la venda<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/ball-valve-in-china.html\">v\u00e0lvula de bola a la Xina<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/ball-valve-manufacturer.html\">fabricant de v\u00e0lvules de bola<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/ball-valve-manufacturers.html\">fabricants de v\u00e0lvules de bola<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/ball-valve-seller.html\">venedor de v\u00e0lvules de boles<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/ball-valve-sellers.html\">venedors de v\u00e0lvules de boles<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/ball-valve-supplier.html\">prove\u00efdor de v\u00e0lvules de bola<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/ball-valve-suppliers.html\">prove\u00efdors de v\u00e0lvules de bola<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/ball-valve-wholesaler.html\">majorista de 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href=\"https:\/\/ca.covna-china.com\/dlp\/gate-valve-supplier.html\">prove\u00efdor de v\u00e0lvules de porta<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/gate-valve-suppliers.html\">prove\u00efdors de v\u00e0lvules de porta<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/gate-valve-wholesaler.html\">majorista de v\u00e0lvules de porta<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/globe-valve-vs-gate-valve.html\">v\u00e0lvula de globus vs v\u00e0lvula de porta<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/high-quality-gate-valve.html\">v\u00e0lvula de porta d'alta qualitat<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/odm-gate-valve.html\">V\u00e0lvula de porta odm<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/oem-gate-valve.html\">v\u00e0lvula de porta d'oem<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/wholesale-gate-valve.html\">v\u00e0lvula de porta a l'engr\u00f2s<\/a> <\/div>\n <\/div>\n <div class=\"tab-pane\" id=\"tab-9\" role=\"tabpanel\" aria-labelledby=\"tab-9\">\n <div class=\"_tags-box_13kno_350\"> <a href=\"https:\/\/ca.covna-china.com\/dlp\/butterfly-valve-actuator.html\">actuador de v\u00e0lvula de papallona<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/butterfly-valve-agencies.html\">ag\u00e8ncies de v\u00e0lvules de papallona<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/butterfly-valve-company.html\">companyia de v\u00e0lvules de papallona<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/butterfly-valve-cost.html\">cost de la v\u00e0lvula de papallona<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/butterfly-valve-exporter.html\">exportador de v\u00e0lvules de papallona<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/butterfly-valve-exporters.html\">exportadors de v\u00e0lvules de papallona<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/butterfly-valve-factory.html\">f\u00e0brica de v\u00e0lvules de papallona<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/butterfly-valve-in-china.html\">v\u00e0lvula de papallona a la Xina<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/butterfly-valve-manufacturer.html\">fabricant de v\u00e0lvules de papallona<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/butterfly-valve-manufacturers.html\">fabricants de v\u00e0lvules de papallona<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/butterfly-valve-seller.html\">venedor de v\u00e0lvules de papallona<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/butterfly-valve-sellers.html\">venedors de v\u00e0lvules de papallona<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/butterfly-valve-supplier.html\">prove\u00efdor de v\u00e0lvules de papallona<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/butterfly-valve-suppliers.html\">prove\u00efdors de v\u00e0lvules de papallona<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/butterfly-valve-wholesaler.html\">majorista de v\u00e0lvules de papallona<\/a> <a 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role=\"tabpanel\" aria-labelledby=\"tab-10\">\n <div class=\"_tags-box_13kno_350\"> <a href=\"https:\/\/ca.covna-china.com\/dlp\/best-globe-valve.html\">millor v\u00e0lvula de globus<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/custom-made-globe-valve.html\">v\u00e0lvula de globus a mida<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/globe-valve-agencies.html\">ag\u00e8ncies de v\u00e0lvules de globus<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/globe-valve-agency.html\">ag\u00e8ncia de v\u00e0lvules de globus<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/globe-valve-company.html\">empresa de v\u00e0lvules de globus<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/globe-valve-factories.html\">f\u00e0briques de v\u00e0lvules de globus<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/globe-valve-factory.html\">f\u00e0brica de v\u00e0lvules de globus<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/globe-valve-in-china.html\">v\u00e0lvula de globus a la Xina<\/a> <a 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href=\"https:\/\/ca.covna-china.com\/dlp\/globe-valve-wholesaler.html\">majorista de v\u00e0lvules de globus<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/odm-globe-valve.html\">V\u00e0lvula de globus odm<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/oem-globe-valve.html\">v\u00e0lvula de globus terraq\u00fci<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/wholesale-globe-valve.html\">v\u00e0lvula de globus a l'engr\u00f2s<\/a> <\/div>\n <\/div>\n <div class=\"tab-pane\" id=\"tab-11\" role=\"tabpanel\" aria-labelledby=\"tab-11\">\n <div class=\"_tags-box_13kno_350\"> <a href=\"https:\/\/ca.covna-china.com\/dlp\/3-way-pneumatic-control-valve.html\">V\u00e0lvula de control pneum\u00e0tica de 3 vies<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/best-price-pneumatic-control-valve.html\">V\u00e0lvula de control pneum\u00e0tica de millor preu<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/buy-pneumatic-control-valve.html\">comprar v\u00e0lvula de control pneum\u00e0tica<\/a> 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href=\"https:\/\/ca.covna-china.com\/dlp\/pneumatic-actuated-butterfly-valve.html\">v\u00e0lvula pneum\u00e0tica de papallona accionada<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/pneumatic-actuated-control-valve.html\">v\u00e0lvula de control accionada pneum\u00e0tica<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/pneumatic-actuated-gate-valve.html\">v\u00e0lvula de porta accionada pneum\u00e0tica<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/pneumatic-actuated-valve-company.html\">empresa de v\u00e0lvules accionades pneum\u00e0tiques<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/pneumatic-actuated-valve-discount.html\">descompte v\u00e0lvula accionada pneum\u00e0tica<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/pneumatic-actuated-valve-exporter.html\">exportador de v\u00e0lvules accionades pneum\u00e0tiques<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/pneumatic-actuated-valve-exporters.html\">exportadors de v\u00e0lvules accionades pneum\u00e0tiques<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/pneumatic-actuated-valve-factories.html\">f\u00e0briques de v\u00e0lvules accionades pneum\u00e0tiques<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/pneumatic-actuated-valve-factory.html\">f\u00e0brica de v\u00e0lvules accionades pneum\u00e0tiques<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/pneumatic-actuated-valve-manufacturer.html\">fabricant de v\u00e0lvules accionades pneum\u00e0tiques<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/pneumatic-actuated-valve-manufacturers.html\">fabricants de v\u00e0lvules accionades pneum\u00e0tiques<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/pneumatic-actuated-valve-production.html\">producci\u00f3 de v\u00e0lvules accionades pneum\u00e0tiques<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/pneumatic-actuated-valve-seller.html\">venedor de v\u00e0lvules accionades pneum\u00e0tiques<\/a> <a href=\"https:\/\/ca.covna-china.com\/dlp\/pneumatic-actuated-valve-supplier.html\">prove\u00efdor 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