{"product_id":"check-valve-high-performance-cask-ale-demand-valve","title":"Check Valve – High Performance Cask Ale Demand Valve","description":"\u003cp\u003eCheck Valve (Demand Valve) 3\/8\" John Guest IN + 1\/2\" Barb Tail OUT.\u003cbr\u003eThis unit is used in the beer line just before the beer engine to stop the beer flowing forward through the beer engine when there is no demand (pump not being pulled).\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSuitable for traditional handpull systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis unit has a working pressure of between 0 - 45 PSI with no judder (rattle).\u003c\/p\u003e\n\u003cp\u003eThis means, if required, and using gas assisted pumps, the gas pumps can be run at beer cellar ring-main pressure (38PSI) without any performance variation across your beer engine range. This will create a great advantage when using 1\/2pt pull beer engines which require a higher feed pressure.\u003c\/p\u003e\n\u003cp\u003eAnother advantage is this unit can be refurbished in the future at a fraction of buying new due to being screwed together not riveted.\u003c\/p\u003e","brand":"BrewKegTap","offers":[{"title":"Default Title","offer_id":57848514806142,"sku":"674","price":24.95,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2268\/6279\/files\/w-2000100011.jpg?v=1786720498","url":"https:\/\/brewkegtap.co.uk\/products\/check-valve-high-performance-cask-ale-demand-valve","provider":"BrewKegTap","version":"1.0","type":"link"}