{"product_id":"check-all-sv804-flange-insert-check-valve-1-inch","title":"Check-All SV804 Flange Insert Check Valve 1 Inch","description":"\u003cdiv\u003e\u003cp\u003eThe Check-All SV804 Flange Insert Check Valve, 1 inch, is a stainless steel insert-style check valve that sits between mating ANSI flanges in a piping system, centered by an upstream spring housing and sealed with two gaskets during installation. Designed for chlorine service, it features a 316 stainless steel housing and a 316 SS spring, with AFLAS seal options available for chemical compatibility and a cracking pressure of 3.50 psi in the standard configuration. In practice, this flange insert valve is built to fit between ANSI Class 150\/300 flanges (F1) or between Class 150\/300\/600 flanges on schedule 80 piping (F6), and it can also function as a low-pressure relief valve or vacuum breaker by selecting the appropriate spring setting.\u003c\/p\u003e\u003c\/div\u003e","brand":"Check-All","offers":[{"title":"New","offer_id":51677980131630,"sku":null,"price":80.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/Ebay_website_image_1612ed38-17d2-41f5-8d66-cbbc128b8c81.jpg?v=1769570260","url":"https:\/\/plgautomation.com\/products\/check-all-sv804-flange-insert-check-valve-1-inch","provider":"PLG Automation ","version":"1.0","type":"link"}