{"id":20419,"date":"2024-07-08T08:30:09","date_gmt":"2024-07-08T08:30:09","guid":{"rendered":"https:\/\/www.hdfire.com\/?post_type=product&#038;p=20419"},"modified":"2025-09-22T13:58:23","modified_gmt":"2025-09-22T13:58:23","slug":"swing-check-valves","status":"publish","type":"product","link":"https:\/\/www.hdfire.com\/products-solutions\/system-valves-accessories\/swing-check-valves\/","title":{"rendered":"Swing Check Valves"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">HD swing check valves are engineered to ensure unidirectional flow, automatically closing to prevent reverse flow and safeguard your fire protection system.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The primary function of a swing check valve is to protect equipment and maintain system integrity by preventing backflow and pressure surges. As the flow pressure exceeds the cracking pressure, the valve opens, and it closes promptly when flow stops or reverses. This automatic operation ensures reliable performance during critical fire protection scenarios.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">HD swing check valves are available in various designs and configurations to meet diverse application requirements, including high-pressure systems. Our valves are built for durability and optimized for fire safety, offering quiet and efficient functionality. For detailed technical specifications, approval information, and installation guidelines, please refer to our product catalogue.<\/span><\/p>\n<ul class=\"pdiscription-text\">\n<li>Flanged and Grooved Type Swing Check Valves<\/li>\n<li>Maximum Working Pressure: 300 PSI<\/li>\n<li>Body: Ductile Iron Construction (ASTM A536, 65-45-12)<\/li>\n<li>Fusion Bonded Epoxy Coated<\/li>\n<li>UL Listed and FM Approved<\/li>\n<\/ul>\n<p><b>Choose HD swing check valves for dependable backflow prevention and superior performance in your fire protection system.<\/b><\/p>\n","protected":false},"excerpt":{"rendered":"<p>HD swing check valves are engineered to ensure unidirectional flow, automatically closing to prevent reverse flow and safeguard your fire protection system. The primary function of a swing check valve is to protect equipment and maintain system integrity by preventing backflow and pressure surges. As the flow pressure exceeds the cracking pressure, the valve opens,<\/p>\n","protected":false},"featured_media":21411,"template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[79],"product_tag":[],"class_list":{"0":"post-20419","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-system-valves-accessories","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Swing Check Valves | HD Fire Protect<\/title>\n<meta name=\"description\" content=\"HD Fire Protect&#039;s swing check valves are reliable and durable for fire protection systems. UL Listed and FM Approved, with a maximum working pressure of 300 PSI. 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