{"product_id":"john-guest-15mm-dobbel-tilbakeslagsventil","title":"John Guest 15mm Double Check Valve","description":"\u003ch2\u003eJohn Guest 15mm Double Check Valve – prevents backflow\u003c\/h2\u003e\u003cp\u003eDouble check valve (15DCV) from John Guest with push-fit for 15 mm pipe at both ends. The valve ensures water only flows one way and protects the water supply against backflow and back syphonage from the connected equipment. It is made for drinks dispense and water supply lines.\u003c\/p\u003e\u003ch3\u003eHow it works\u003c\/h3\u003e\u003cp\u003eThe valve has two spring-loaded check valves, one on each side of a test cock. An arrow on the valve shows the direction of flow. Push the pipe straight into the push-fit ends. To disconnect, push the collet towards the valve and pull the pipe out. The valve can be mounted in any position.\u003c\/p\u003e\u003ch3\u003eBenefits\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eTwo check valves give extra protection against backflow\u003c\/li\u003e\u003cli\u003eTest cock between the valves\u003c\/li\u003e\u003cli\u003ePush-fit – no tools, soldering, glue or flux\u003c\/li\u003e\u003cli\u003eLow pressure loss\u003c\/li\u003e\u003cli\u003eFits copper pipe and PEX or PB plastic pipe (with inserts)\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eTechnical data\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eType: double check valve (Fluid Category 3)\u003c\/li\u003e\u003cli\u003eConnection: 15 mm push-fit at both ends\u003c\/li\u003e\u003cli\u003eMaterial: acetal\u003c\/li\u003e\u003cli\u003eMedium: liquids only – cold and hot water\u003c\/li\u003e\u003cli\u003eNot suitable for: air, vacuum and central heating systems\u003c\/li\u003e\u003cli\u003eDo not freeze\u003c\/li\u003e\u003cli\u003ePart number: 15DCV\u003c\/li\u003e\u003cli\u003eManufacturer: John Guest\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eFAQ about the John Guest 15mm Double Check Valve\u003c\/h2\u003e\u003ch3\u003eWhat is the difference between a single and a double check valve?\u003c\/h3\u003e\u003cp\u003eA single check valve has one valve. The double has two valves with a test cock in between, giving extra protection against water flowing back. John Guest also makes a \u003ca href=\"\/en\/products\/john-guest-3-8-single-check-valve-tilbakeslagsventil\"\u003esingle check valve for 3\/8\" tubing\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003eCan I connect it to 3\/8\" tubing?\u003c\/h3\u003e\u003cp\u003eYes, with an adaptor. \u003ca href=\"\/en\/products\/john-guest-overgang-15mm-stem-til-3-8-slange\"\u003eJohn Guest 15mm stem to 3\/8\" tube adaptor\u003c\/a\u003e plugs into the valve and takes 3\/8\" tubing at the other end.\u003c\/p\u003e\u003ch3\u003eCan the valve be used for CO2 or air?\u003c\/h3\u003e\u003cp\u003eNo. The valve is for liquids only.\u003c\/p\u003e\u003ch3\u003eHow do I know which way round it goes?\u003c\/h3\u003e\u003cp\u003eAn arrow on the valve shows the direction of flow.\u003c\/p\u003e\u003ch3\u003eRelated\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"\/en\/collections\/fat-servering-john-guest\"\u003eJohn Guest\u003c\/a\u003e\u003c\/li\u003e\u003cli\u003e\u003ca href=\"\/en\/products\/john-guest-overgang-15mm-stem-til-3-8-slange\"\u003eJohn Guest 15mm stem to 3\/8\" tube adaptor\u003c\/a\u003e\u003c\/li\u003e\u003cli\u003e\u003ca href=\"\/en\/products\/john-guest-3-8-single-check-valve-tilbakeslagsventil\"\u003eJohn Guest 3\/8\" Single Check Valve\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e","brand":"John Guest","offers":[{"title":"Default Title","offer_id":50910517428322,"sku":"15DCV","price":439.0,"currency_code":"NOK","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0621\/8422\/6914\/files\/john-guest-15mm-dobbel-tilbakeslagsventil.jpg?v=1793963604","url":"https:\/\/brewshop.no\/en\/products\/john-guest-15mm-dobbel-tilbakeslagsventil","provider":"Brewshop","version":"1.0","type":"link"}