{"product_id":"prometh-4an-check-valve-npt-an","title":"PROMETH 4AN CHECK VALVE (NPT AN)","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cstrong\u003ePROMETH 4AN CHECK VALVE (NPT-AN)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cem\u003eOne-way check valve for water\/methanol injection systems — prevents backflow into the pump\/reservoir\u003c\/em\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eThis billet stainless steel check valve is designed for water-methanol injection setups, ensuring fluid flows in one direction only — toward the injection nozzle — and preventing backflow or siphoning back into the tank when the system is off or under boost pressure fluctuation.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cstrong\u003eSpecs:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3 print:block print:space-y-1\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eFitting: 1\/8\" NPT (male) to 4AN (male)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eMaterial: Stainless steel \/ nickel-plated brass fitting body\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eApplication: Water\/methanol injection, nitrous purge lines, boost reference lines\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eCracking pressure: low-pressure opening (typical for WMI applications — confirm exact PSI spec if listing requires it)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003ePrevents fluid backflow and vapor lock in injection lines\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Prometh","offers":[{"title":"Default Title","offer_id":49109209219307,"sku":"1000-B02-1","price":130.0,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/0108\/1835\/files\/4an.webp?v=1785304056","url":"https:\/\/www.subzeromotorsport.com\/ar\/products\/prometh-4an-check-valve-npt-an","provider":"Nissan GTR R35 Performance Parts \u0026 Builds | Subzero Motorsports UAE","version":"1.0","type":"link"}