{"id":4933,"date":"2019-11-20T09:39:45","date_gmt":"2019-11-20T09:39:45","guid":{"rendered":"http:\/\/nahrab.decodat.com\/?page_id=879"},"modified":"2026-09-22T21:06:59","modified_gmt":"2026-09-22T17:36:59","slug":"swing-check-valve","status":"publish","type":"page","link":"https:\/\/nahrab.net\/?page_id=4933&lang=en","title":{"rendered":"Swing Check Valve \u2013 Nahrab Gostar"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"4933\" class=\"elementor elementor-4933\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-19d5310 elementor-section-stretched elementor-section-height-min-height elementor-section-boxed elementor-section-height-default elementor-section-items-middle\" data-id=\"19d5310\" data-element_type=\"section\" data-e-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-64ab7de\" data-id=\"64ab7de\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f0e7ad1 elementor-widget elementor-widget-writing-effect-headline\" data-id=\"f0e7ad1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"writing-effect-headline.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t        <h3 class=\"futurio-extra-written-headline\" data-speed=\"50\" data-delay=\"1000\" data-loop=\"1\">\r\n                    <span class=\"before-written\">CHECK VALVE<\/span>\r\n        \r\n                    <span class=\"written-lines\">SWING<\/span>\r\n        \r\n                <\/h3>\r\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<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4d67596 elementor-section-stretched elementor-section-boxed elementor-section-height-default elementor-section-height-default elementor-invisible\" data-id=\"4d67596\" data-element_type=\"section\" data-e-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-8f4e1f9\" data-id=\"8f4e1f9\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f567fa6 elementor-position-right elementor-vertical-align-top elementor-widget elementor-widget-image-box\" data-id=\"f567fa6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\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:\/\/nahrab.net\/wp-content\/uploads\/2019\/11\/swing.png\" class=\"elementor-animation-grow attachment-medium size-medium wp-image-888\" alt=\"Swing Check Valve \u2013 Nahrab Gostar Eshtehard\" srcset=\"https:\/\/nahrab.net\/wp-content\/uploads\/2019\/11\/swing.png 297w, https:\/\/nahrab.net\/wp-content\/uploads\/2019\/11\/swing-150x150.png 150w, https:\/\/nahrab.net\/wp-content\/uploads\/2019\/11\/swing-100x100.png 100w, https:\/\/nahrab.net\/wp-content\/uploads\/2019\/11\/swing-64x64.png 64w\" sizes=\"(max-width: 297px) 100vw, 297px\" \/><\/figure><div class=\"elementor-image-box-content\"><h2 class=\"elementor-image-box-title\">Swing Check Valve<\/h2><p class=\"elementor-image-box-description\">DN: 50\u2013300 mm | PN: 10 and 16 bar\n<span style=\"display:block;margin-top:12px;color:#686868;font-size:15px;font-weight:400;text-align:justify\">Nahrab Gostar swing check valves provide low-resistance non-return protection in pipelines with steady, low-velocity flow. For systems exposed to rapid flow reversal or hydraulic shock, a spring-loaded check valve is the preferred solution.<\/span><\/p><\/div><\/div>\t\t\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-baf1638 elementor-section-boxed elementor-section-height-default elementor-section-height-default elementor-invisible\" data-id=\"baf1638\" data-element_type=\"section\" data-e-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-5679363\" data-id=\"5679363\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-b0d04eb elementor-widget elementor-widget-counter\" data-id=\"b0d04eb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"counter.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-counter\">\n\t\t\t<div class=\"elementor-counter-title\">mm<\/div>\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=\"300\" 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<\/div>\n\t\t\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-3e29dbb\" data-id=\"3e29dbb\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-de018aa elementor-widget elementor-widget-counter\" data-id=\"de018aa\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"counter.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-counter\">\n\t\t\t<div class=\"elementor-counter-title\">Bar<\/div>\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=\"16\" 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<\/div>\n\t\t\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<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-f344142 elementor-tabs-view-horizontal elementor-widget elementor-widget-tabs\" data-id=\"f344142\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"tabs.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\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-2551\" class=\"elementor-tab-title elementor-tab-desktop-title\" aria-selected=\"true\" data-tab=\"1\" role=\"tab\" tabindex=\"0\" aria-controls=\"elementor-tab-content-2551\" aria-expanded=\"false\">Product Details<\/div>\n\t\t\t\t\t\t\t\t\t<div id=\"elementor-tab-title-2552\" class=\"elementor-tab-title elementor-tab-desktop-title\" aria-selected=\"false\" data-tab=\"2\" role=\"tab\" tabindex=\"-1\" aria-controls=\"elementor-tab-content-2552\" aria-expanded=\"false\">Technical Document<\/div>\n\t\t\t\t\t\t\t\t\t<div id=\"elementor-tab-title-2553\" class=\"elementor-tab-title elementor-tab-desktop-title\" aria-selected=\"false\" data-tab=\"3\" role=\"tab\" tabindex=\"-1\" aria-controls=\"elementor-tab-content-2553\" 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-2551\" aria-expanded=\"false\">Product Details<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-2551\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"tabpanel\" aria-labelledby=\"elementor-tab-title-2551\" tabindex=\"0\" hidden=\"false\"><p><strong>Application:<\/strong><\/p><p>Nahrab Gostar swing check valves provide low-resistance non-return protection in pipelines with steady, low-velocity flow. For systems exposed to rapid flow reversal or hydraulic shock, a spring-loaded check valve is the preferred solution.<\/p><ul><li>Very low turbulence in the flow<\/li><li>Low pressure loss.<\/li><li>Suitable for horizontal or vertical installation; in vertical pipelines, flow must be upward so gravity assists disc closure.<\/li><li>Flange dimensions in accordance with DIN EN 1092-2 (DIN 2501).<\/li><li>Face-to-face dimensions in accordance with DIN EN 558-1, Series 48 (DIN 3202-F6).<\/li><li>Final valve testing in accordance with DIN EN 12266-1.<\/li><\/ul><p><strong>Corrosion Protection:<\/strong><\/p><p>Electrostatic epoxy powder coating with a minimum dry-film thickness of 250 \u03bcm, suitable for potable-water applications.<\/p><p dir=\"ltr\"><img decoding=\"async\" class=\"alignnone size-full wp-image-882 aligncenter\" src=\"https:\/\/nahrab.net\/wp-content\/uploads\/2019\/11\/sch011.png\" alt=\"Swing check valve parts diagram\" width=\"269\" height=\"281\" srcset=\"https:\/\/nahrab.net\/wp-content\/uploads\/2019\/11\/sch011.png 269w, https:\/\/nahrab.net\/wp-content\/uploads\/2019\/11\/sch011-64x67.png 64w\" sizes=\"(max-width: 269px) 100vw, 269px\" \/><\/p><div><table id=\"table-1\" class=\"_idGenTablePara-1\"><colgroup> <col \/> <col \/> <col \/> <col \/> <\/colgroup><tbody><tr><td class=\"CellOverride-1\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-1\">Part No.<\/span><\/p><\/td><td class=\"CellOverride-1\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-1\">Part 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-1\">Spare Parts<\/span><\/p><\/td><\/tr><tr><td><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-2\">1<\/span><\/p><\/td><td><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-2\">Body<\/span><\/p><\/td><td><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-2\">Ductile iron (GJS 400-15)<\/span><\/p><\/td><td>\u00a0<\/td><\/tr><tr><td class=\"CellOverride-2\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-2\">2<\/span><\/p><\/td><td class=\"CellOverride-2\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-2\">Body Ring<\/span><\/p><\/td><td class=\"CellOverride-2\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-2\">Stainless steel<\/span><\/p><\/td><td class=\"CellOverride-2\">\u00a0<\/td><\/tr><tr><td><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-2\">3<\/span><\/p><\/td><td><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-2\">Clapper Disc Pin<\/span><\/p><\/td><td><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-2\">Stainless steel<\/span><\/p><\/td><td><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-3\">\u2022<\/span><\/p><\/td><\/tr><tr><td class=\"CellOverride-3\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-2\">4<\/span><\/p><\/td><td class=\"CellOverride-3\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-2\">Clapper Disc <\/span><span class=\"CharOverride-2\">Arm<\/span><\/p><\/td><td class=\"CellOverride-3\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-2\">Ductile iron (GJS 400-15)<\/span><\/p><\/td><td class=\"CellOverride-3\">\u00a0<\/td><\/tr><tr><td><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-2\">5<\/span><\/p><\/td><td><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-2\">Bonnet<\/span><\/p><\/td><td><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-2\">Ductile iron (GJS 400-15)<\/span><\/p><\/td><td>\u00a0<\/td><\/tr><tr><td class=\"CellOverride-2\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-2\">6<\/span><\/p><\/td><td class=\"CellOverride-2\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-2\">Stem<\/span><\/p><\/td><td class=\"CellOverride-2\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-2\">Stainless steel<\/span><\/p><\/td><td class=\"CellOverride-2\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-3\">\u2022<\/span><\/p><\/td><\/tr><tr><td><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-2\">7<\/span><\/p><\/td><td><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-2\">Washer<\/span><\/p><\/td><td><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-2\">Galvanized steel<\/span><\/p><\/td><td><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-3\">\u2022<\/span><\/p><\/td><\/tr><tr><td class=\"CellOverride-4\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-2\">8<\/span><\/p><\/td><td class=\"CellOverride-4\"><p class=\"Basic-Paragraph ParaOverride-1\" xml:lang=\"en-US\"><span class=\"CharOverride-4\" xml:lang=\"en-US\">Hex Head Screw<\/span><\/p><\/td><td class=\"CellOverride-4\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-2\">Galvanized steel<\/span><\/p><\/td><td class=\"CellOverride-4\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-3\">\u2022<\/span><\/p><\/td><\/tr><tr><td><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-2\">9<\/span><\/p><\/td><td><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-2\">Disk<\/span><\/p><\/td><td><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-2\">Ductile iron (GJS 400-15)<\/span><\/p><\/td><td>\u00a0<\/td><\/tr><tr><td class=\"CellOverride-2\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-2\">10<\/span><\/p><\/td><td class=\"CellOverride-2\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-2\">Seat<\/span><\/p><\/td><td class=\"CellOverride-2\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-2\">EPDM or <\/span><span class=\"CharOverride-2\">NBR<\/span><\/p><\/td><td class=\"CellOverride-2\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-3\">\u2022<\/span><\/p><\/td><\/tr><tr><td><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-2\">11<\/span><\/p><\/td><td><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-2\">O-ring<\/span><\/p><\/td><td><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-2\">EPDM or <\/span><span class=\"CharOverride-2\">NBR<\/span><\/p><\/td><td><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-3\">\u2022<\/span><\/p><\/td><\/tr><\/tbody><\/table><\/div><p dir=\"ltr\" style=\"text-align: left;\">\u00a0<\/p><\/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-2552\" aria-expanded=\"false\">Technical Document<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-2552\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"2\" role=\"tabpanel\" aria-labelledby=\"elementor-tab-title-2552\" tabindex=\"0\" hidden=\"hidden\"><ul><li><a href=\"https:\/\/nahrab.net\/wp-content\/uploads\/2026\/09\/Chek-Valve.pdf\" target=\"_blank\" rel=\"noopener\">Swing Check Valve Catalogue (PDF)<\/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-2553\" aria-expanded=\"false\">Technical Drawing<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-2553\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"3\" role=\"tabpanel\" aria-labelledby=\"elementor-tab-title-2553\" tabindex=\"0\" hidden=\"hidden\"><p dir=\"ltr\" style=\"text-align: left;\">Technical drawings for 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\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<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>CHECK VALVE SWING Swing Check Valve DN: 50\u2013300 mm | PN: 10 and 16 bar Nahrab Gostar swing check valves provide low-resistance non-return protection in pipelines with steady, low-velocity flow. For systems exposed to rapid flow reversal or hydraulic shock, a spring-loaded check valve is the preferred solution. mm DN: 50 &#8211; 50 Bar PN:&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-4933","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Swing Check Valve | DN 50\u2013300 | Nahrab Gostar<\/title>\n<meta name=\"description\" content=\"Explore Nahrab Gostar swing check valves for DN 50\u2013300 pipelines in PN 10 and 16, designed for low-loss non-return protection in water systems.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/nahrab.net\/?page_id=4933&lang=en\" \/>\n<meta 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