{"product_id":"gruvlok-gvlf-7811-400-4-check-valve-gr-x-gr","title":"Gruvlok GVLF-7811-400 4\" Check Valve - GR x GR","description":"\u003cp\u003eGruvlok GVLF-7811-400 is a 4\" Gruvlok Series 7800 check valve with grooved ends.\u003c\/p\u003e\u003cp\u003eThe Series 7800 is a compact check valve with low pressure drop and non-slam performance. When open, the swing clapper is held against the valve body, out of the flow stream, and it closes quickly before flow reversal can occur, meeting FM requirements for an anti-water hammer valve rating. Each valve is hydrostatically tested to 500 PSI.\u003c\/p\u003e\u003cp\u003eGruvlok states that the clapper and seat design seals back pressures from 300 PSI down to as low as 1 PSI. Install the valve in the direction of flow, join it with Gruvlok couplings, and confirm the pipe size and groove dimensions before ordering.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Gruvlok\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e GVLF-7811-400\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Check Valve\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Type:\u003c\/strong\u003e GR x GR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Check Valves\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSee also: \u003ca href=\"\/collections\/check-valves\"\u003echeck valves\u003c\/a\u003e, \u003ca href=\"\/collections\/gruvlok\"\u003eall Gruvlok products\u003c\/a\u003e.\u003c\/p\u003e","brand":"Gruvlok","offers":[{"title":"Default Title","offer_id":50357543370855,"sku":"GVLF-7811-400","price":3176.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/GVLF-7811-1000IMG-1_2ae0cd8e-81c8-44c7-a630-57418cf41deb.jpg?v=1790829129","url":"https:\/\/www.thehousesupplier.com\/products\/gruvlok-gvlf-7811-400-4-check-valve-gr-x-gr","provider":"The House Supplier","version":"1.0","type":"link"}