{"id":1729,"date":"2019-11-26T14:37:39","date_gmt":"2019-11-26T14:37:39","guid":{"rendered":"http:\/\/nahrab.decodat.com\/?page_id=1729"},"modified":"2021-02-08T07:59:57","modified_gmt":"2021-02-08T07:59:57","slug":"%d8%b4%db%8c%d8%b1-%d9%87%d9%88%d8%a7%db%8c-%d8%aa%da%a9-%d9%85%d8%ad%d9%81%d8%b8%d9%87-%d8%af%d9%88-%d8%b1%d9%88%d8%b2%d9%86%d9%87","status":"publish","type":"page","link":"https:\/\/en.nahrab.net\/?page_id=1729","title":{"rendered":"Single Chamber Double Orifice"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"1729\" class=\"elementor elementor-1729\">\n\t\t\t\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-09f81ae elementor-section-stretched elementor-section-height-min-height elementor-section-boxed elementor-section-height-default elementor-section-items-middle\" data-id=\"09f81ae\" data-element_type=\"section\" data-settings=\"{&quot;stretch_section&quot;:&quot;section-stretched&quot;,&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-f296ad6\" data-id=\"f296ad6\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-ebfc482 elementor-widget elementor-widget-writing-effect-headline\" data-id=\"ebfc482\" data-element_type=\"widget\" data-widget_type=\"writing-effect-headline.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t        <h3 class=\"futurio-extra-written-headline\" data-speed=\"50\" data-delay=\"1000\" data-loop=\"1\">\r\n        \r\n                    <span class=\"written-lines\">AIR VALVES<\/span>\r\n        \r\n                <\/h3>\r\n        \t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1ea051d elementor-section-stretched elementor-section-boxed elementor-section-height-default elementor-section-height-default elementor-invisible\" data-id=\"1ea051d\" data-element_type=\"section\" data-settings=\"{&quot;stretch_section&quot;:&quot;section-stretched&quot;,&quot;background_background&quot;:&quot;classic&quot;,&quot;animation&quot;:&quot;fadeIn&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-9c8aab3\" data-id=\"9c8aab3\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9661002 elementor-position-right elementor-vertical-align-top elementor-widget elementor-widget-image-box\" data-id=\"9661002\" data-element_type=\"widget\" data-widget_type=\"image-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<div class=\"elementor-image-box-wrapper\"><figure class=\"elementor-image-box-img\"><img fetchpriority=\"high\" decoding=\"async\" width=\"297\" height=\"297\" src=\"https:\/\/en.nahrab.net\/wp-content\/uploads\/2019\/11\/Ail-Duble.png\" class=\"elementor-animation-grow attachment-medium size-medium wp-image-1742\" alt=\"\u0634\u06cc\u0631 \u0647\u0648\u0627\u06cc \u062a\u06a9 \u0645\u062d\u0641\u0638\u0647 \u062f\u0648 \u0631\u0648\u0632\u0646\u0647\" srcset=\"https:\/\/en.nahrab.net\/wp-content\/uploads\/2019\/11\/Ail-Duble.png 297w, https:\/\/en.nahrab.net\/wp-content\/uploads\/2019\/11\/Ail-Duble-150x150.png 150w, https:\/\/en.nahrab.net\/wp-content\/uploads\/2019\/11\/Ail-Duble-100x100.png 100w, https:\/\/en.nahrab.net\/wp-content\/uploads\/2019\/11\/Ail-Duble-64x64.png 64w\" sizes=\"(max-width: 297px) 100vw, 297px\" \/><\/figure><div class=\"elementor-image-box-content\"><h3 class=\"elementor-image-box-title\">Single Chamber Double Orifice<\/h3><p class=\"elementor-image-box-description\">\nDN:50-200 mm\n|\nPN: 10-63 bar\n\n\n<p style=\"text-align: justify;\">In a single chamber, two-orifice air valve, aeration both aeration and venting is performed automatically in the main and sub- lines in water supply networks. Also, the passage of fluid itself causes the operation of the air valve. Large orifice is used to aerate and vent of large volumes of air when filling the line on start \u2013up and releasing the line on shut- down .The small orifice is used to release the collected air when the line is under working pressure.<\/p><\/p><\/div><\/div>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-9846c92 elementor-section-boxed elementor-section-height-default elementor-section-height-default elementor-invisible\" data-id=\"9846c92\" data-element_type=\"section\" data-settings=\"{&quot;animation&quot;:&quot;fadeInDown&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-cf99858\" data-id=\"cf99858\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9394258 elementor-widget elementor-widget-counter\" data-id=\"9394258\" data-element_type=\"widget\" data-widget_type=\"counter.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-counter\">\n\t\t\t<div class=\"elementor-counter-number-wrapper\">\n\t\t\t\t<span class=\"elementor-counter-number-prefix\">DN: 50 - <\/span>\n\t\t\t\t<span class=\"elementor-counter-number\" data-duration=\"2000\" data-to-value=\"200\" data-from-value=\"50\">50<\/span>\n\t\t\t\t<span class=\"elementor-counter-number-suffix\"><\/span>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-counter-title\">mm<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-8db049a\" data-id=\"8db049a\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e37269f elementor-widget elementor-widget-counter\" data-id=\"e37269f\" data-element_type=\"widget\" data-widget_type=\"counter.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-counter\">\n\t\t\t<div class=\"elementor-counter-number-wrapper\">\n\t\t\t\t<span class=\"elementor-counter-number-prefix\">PN: 10 - <\/span>\n\t\t\t\t<span class=\"elementor-counter-number\" data-duration=\"2000\" data-to-value=\"63\" data-from-value=\"10\" data-delimiter=\",\">10<\/span>\n\t\t\t\t<span class=\"elementor-counter-number-suffix\"><\/span>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-counter-title\">Bar<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-c42f175 elementor-tabs-view-horizontal elementor-widget elementor-widget-tabs\" data-id=\"c42f175\" data-element_type=\"widget\" data-widget_type=\"tabs.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-tabs\">\n\t\t\t<div class=\"elementor-tabs-wrapper\" role=\"tablist\" >\n\t\t\t\t\t\t\t\t\t<div id=\"elementor-tab-title-2051\" class=\"elementor-tab-title elementor-tab-desktop-title\" aria-selected=\"true\" data-tab=\"1\" role=\"tab\" tabindex=\"0\" aria-controls=\"elementor-tab-content-2051\" aria-expanded=\"false\">More Details<\/div>\n\t\t\t\t\t\t\t\t\t<div id=\"elementor-tab-title-2052\" class=\"elementor-tab-title elementor-tab-desktop-title\" aria-selected=\"false\" data-tab=\"2\" role=\"tab\" tabindex=\"-1\" aria-controls=\"elementor-tab-content-2052\" aria-expanded=\"false\">Technical Document<\/div>\n\t\t\t\t\t\t\t\t\t<div id=\"elementor-tab-title-2053\" class=\"elementor-tab-title elementor-tab-desktop-title\" aria-selected=\"false\" data-tab=\"3\" role=\"tab\" tabindex=\"-1\" aria-controls=\"elementor-tab-content-2053\" aria-expanded=\"false\">Technical Drawing<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t<div class=\"elementor-tabs-content-wrapper\" role=\"tablist\" aria-orientation=\"vertical\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-tab-title elementor-tab-mobile-title\" aria-selected=\"true\" data-tab=\"1\" role=\"tab\" tabindex=\"0\" aria-controls=\"elementor-tab-content-2051\" aria-expanded=\"false\">More Details<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-2051\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"tabpanel\" aria-labelledby=\"elementor-tab-title-2051\" tabindex=\"0\" hidden=\"false\"><p>In a single chamber, two-orifice air valve, aeration both aeration and venting is performed automatically in the main and sub- lines in water supply networks. Also, the passage of fluid itself causes the operation of the air valve. Large orifice is used to aerate and vent of large volumes of air when filling the line on start \u2013up and releasing the line on shut- down .The small orifice is used to release the collected air when the line is under working pressure.<\/p><p><strong>Product features and advantages :<\/strong><\/p><ul><li>Light and robust body design<\/li><li>EPDM or NBR sealing gaskets<\/li><li>Drilling of flanges: According to EN 1092-2 (DIN 2501)<\/li><li>Final hydrostatic test: According to DIN EN 12266 ( ISO 5208)<\/li><li>Simple mechanism<\/li><li>Easy installation and maintenance<\/li><\/ul><p><strong>Corrosion Protection : <\/strong><\/p><p>\u00a0 Electrostatic\u00a0 epoxy powder Coating\u00a0 with a\u00a0 min\u00a0 thickness\u00a0 250 \u00a0 , certified by reputable international institutions for potable water.<\/p><p dir=\"rtl\"><img decoding=\"async\" class=\"aligncenter\" src=\"http:\/\/nahrab.decodat.com\/wp-content\/uploads\/2019\/11\/Duble.png\" alt=\"\" width=\"179\" height=\"277\" \/><\/p><div><table id=\"table-1\"><colgroup> <col \/> <col \/> <col \/> <col \/> <\/colgroup><tbody><tr><td class=\"CellOverride-1\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-1\">Item <\/span><span class=\"CharOverride-2\">No<\/span><\/p><\/td><td class=\"CellOverride-1\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-1\">Name<\/span><\/p><\/td><td class=\"CellOverride-1\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-1\">Material<\/span><\/p><\/td><td class=\"CellOverride-1\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-3\">Spare Parts<\/span><\/p><\/td><\/tr><tr><td class=\"CellOverride-2\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-4\">1 <\/span><\/p><\/td><td class=\"CellOverride-2\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-5\">Body<\/span><\/p><\/td><td class=\"CellOverride-2\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-5\">(Ductile Iron (GJS400-15<\/span><\/p><\/td><td class=\"CellOverride-2\">\u00a0<\/td><\/tr><tr><td class=\"CellOverride-3\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-4\">2 <\/span><\/p><\/td><td class=\"CellOverride-3\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-5\">Bearing Cover<\/span><\/p><\/td><td class=\"CellOverride-3\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-5\">(Ductile Iron (GJS400-15<\/span><\/p><\/td><td class=\"CellOverride-3\">\u00a0<\/td><\/tr><tr><td class=\"CellOverride-2\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-4\">3 <\/span><\/p><\/td><td class=\"CellOverride-2\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-5\">Float<\/span><\/p><\/td><td class=\"CellOverride-2\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-5\">Polypropylene or Stainless Steel ST304<\/span><\/p><\/td><td class=\"CellOverride-2\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-6\">\u2022<\/span><\/p><\/td><\/tr><tr><td class=\"CellOverride-4\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-4\">4<\/span><\/p><\/td><td class=\"CellOverride-4\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-5\">Gasket<\/span><\/p><\/td><td class=\"CellOverride-4\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-5\">EPDM \/ NBR<\/span><\/p><\/td><td class=\"CellOverride-4\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-6\">\u2022<\/span><\/p><\/td><\/tr><tr><td class=\"CellOverride-2\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-4\">5 <\/span><\/p><\/td><td class=\"CellOverride-2\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-5\">Guide Screw<\/span><\/p><\/td><td class=\"CellOverride-2\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-5\">Stainless Steel 1.4301<\/span><\/p><\/td><td class=\"CellOverride-2\"><p class=\"Normal ParaOverride-1\">\u00a0<\/p><\/td><\/tr><tr><td class=\"CellOverride-3\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-4\">6 <\/span><\/p><\/td><td class=\"CellOverride-3\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-5\">Sealing Ring<\/span><\/p><\/td><td class=\"CellOverride-3\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-5\">EPDM \/ NBR<\/span><\/p><\/td><td class=\"CellOverride-3\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-6\">\u2022<\/span><\/p><\/td><\/tr><tr><td class=\"CellOverride-2\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-4\">7<\/span><\/p><\/td><td class=\"CellOverride-2\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-5\">Screw<\/span><\/p><\/td><td class=\"CellOverride-2\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-5\">A2<\/span><\/p><\/td><td class=\"CellOverride-2\">\u00a0<\/td><\/tr><\/tbody><\/table><\/div><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-tab-title elementor-tab-mobile-title\" aria-selected=\"false\" data-tab=\"2\" role=\"tab\" tabindex=\"-1\" aria-controls=\"elementor-tab-content-2052\" aria-expanded=\"false\">Technical Document<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-2052\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"2\" role=\"tabpanel\" aria-labelledby=\"elementor-tab-title-2052\" tabindex=\"0\" hidden=\"hidden\"><ul dir=\"rtl\"><li style=\"text-align: right;\"><a href=\"https:\/\/en.nahrab.net\/wp-content\/uploads\/2021\/02\/Air-Valve.pdf\">Air Valve Catalog<\/a><\/li><li style=\"text-align: right;\"><a href=\"http:\/\/nahrab.net\/wp-content\/uploads\/2019\/11\/\u062f\u0633\u062a\u0648\u0631\u0627\u0644\u0639\u0645\u0644-\u0646\u0635\u0628-\u0648-\u0646\u06af\u0647\u062f\u0627\u0631\u06cc-\u0634\u06cc\u0631-\u0647\u0648\u0627-\u062a\u06a9-\u0645\u062d\u0641\u0638\u0647-\u062f\u0648-\u0631\u0648\u0632\u0646\u0647.pdf\" target=\"_blank\" rel=\"noopener\">\u0631\u0627\u0647\u0646\u0645\u0627\u06cc \u0646\u0635\u0628 \u0648 \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u0634\u06cc\u0631 \u0647\u0648\u0627 &#8211; \u062a\u06a9 \u0645\u062d\u0641\u0638\u0647 \u062f\u0648 \u0631\u0648\u0632\u0646\u0647<\/a><\/li><\/ul><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-tab-title elementor-tab-mobile-title\" aria-selected=\"false\" data-tab=\"3\" role=\"tab\" tabindex=\"-1\" aria-controls=\"elementor-tab-content-2053\" aria-expanded=\"false\">Technical Drawing<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-2053\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"3\" role=\"tabpanel\" aria-labelledby=\"elementor-tab-title-2053\" tabindex=\"0\" hidden=\"hidden\"><p dir=\"rtl\" style=\"text-align: left;\">Technical drawings of this valve will be Uploaded soon<\/p><\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>AIR VALVES Single Chamber Double Orifice DN:50-200 mm | PN: 10-63 bar In a single chamber, two-orifice air valve, aeration both aeration and venting is performed automatically in the main and sub- lines in water supply networks. Also, the passage of fluid itself causes the operation of the air valve. Large orifice is used to&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"_links":{"self":[{"href":"https:\/\/en.nahrab.net\/index.php?rest_route=\/wp\/v2\/pages\/1729"}],"collection":[{"href":"https:\/\/en.nahrab.net\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/en.nahrab.net\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/en.nahrab.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/en.nahrab.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1729"}],"version-history":[{"count":18,"href":"https:\/\/en.nahrab.net\/index.php?rest_route=\/wp\/v2\/pages\/1729\/revisions"}],"predecessor-version":[{"id":3242,"href":"https:\/\/en.nahrab.net\/index.php?rest_route=\/wp\/v2\/pages\/1729\/revisions\/3242"}],"wp:attachment":[{"href":"https:\/\/en.nahrab.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1729"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}