{"product_id":"adaptador-cabezal-gas-antiretorno-rosca-laton-bsp-john-guest","title":"Gas head adapter with non‑return 3\/8 x 1\/2 (BSP thread)","description":"\u003ch2\u003eJohn Guest adapter for gas inlet on coupler with check valve 3\/8\" × 1\/2 BSP\u003c\/h2\u003e\u003cp\u003eFitting to connect 3\/8\" (9.5 mm) gas tube to a coupler with 1\/2 BSP thread, incorporating a non-return function to limit reverse flow within the line.\u003c\/p\u003e\u003ch3\u003eWhat the non‑return function provides\u003c\/h3\u003e\u003cp\u003eIt helps prevent liquid from the keg from flowing back into the gas line and regulator. It does not regulate pressure or, by itself, guarantee beverage carbonation.\u003c\/p\u003e\u003ch3\u003eSelection and compatibility\u003c\/h3\u003e\u003cp\u003eCheck that the tube is 3\/8\" and that the coupler uses 1\/2 BSP. The thread and the diameter must be verified independently.\u003c\/p\u003e\u003ch3\u003eInstallation\u003c\/h3\u003e\u003cp\u003eDepressurize the system, cut the tube cleanly and square, insert it fully to the stop and assemble the threaded side without forcing. Respect the check valve’s functional direction and check for leaks before use.\u003c\/p\u003e\u003ch3\u003eMaintenance\u003c\/h3\u003e\u003cp\u003ePeriodically check the tube retention, the condition of the threaded connection and the behavior of the non-return valve. If the flow is abnormal, check orientation and absence of obstructions before intervening.\u003c\/p\u003e\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs it for the beverage line?\u003c\/strong\u003e\u003cbr\u003eThis reference is intended for the gas inlet of the coupler.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it include a check valve?\u003c\/strong\u003e\u003cbr\u003eYes, this reference integrates that function.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs it suitable for NPTF thread?\u003c\/strong\u003e\u003cbr\u003eEquivalence must not be assumed; this datasheet refers to BSP.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat tube size does it use?\u003c\/strong\u003e\u003cbr\u003e3\/8\" (9.5 mm).\u003c\/p\u003e","brand":"John Guest","offers":[{"title":"Default Title","offer_id":3377646533,"sku":"IB0023","price":75.96,"currency_code":"NOK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0339\/9513\/files\/Adaptador-de-cabezal-para-gas-con-anti-retorno-38-x-12-Rosca-BSP.webp?v=1697719931","url":"https:\/\/installbeer.com\/en-no\/products\/non-return-gas-head-adapter-brass-thread-bsp-john-guest","provider":"Install Beer","version":"1.0","type":"link"}