{"product_id":"smc-ak4000-04","title":"SMC AK4000-04 Check Valve Rc1\/2 — One-Way Flow, Pneumatic Line","description":"\u003cp\u003e\u003cstrong\u003eSMC AK4000-04\u003c\/strong\u003e — AK series check valve, body size 4000 with Rc 1\/2 ports. Allows flow in one direction and blocks it in the other, with no external control needed.\u003c\/p\u003e\n\n\u003ch3\u003eSpecification — AK4000-04\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eAK (check valve)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody size\u003c\/td\u003e\n\u003ctd\u003e4000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePort size\u003c\/td\u003e\n\u003ctd\u003eRc 1\/2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFunction\u003c\/td\u003e\n\u003ctd\u003eOne-way flow, free flow one direction \/ blocked the other\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFluid\u003c\/td\u003e\n\u003ctd\u003eAir\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct weight\u003c\/td\u003e\n\u003ctd\u003e140 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\n\u003ch3\u003eWhat it does\u003c\/h3\u003e\n\u003cp\u003eA check valve holds pressure on one side of a circuit when the supply drops. On a vertical cylinder it stops the load falling when air is lost; on a branched line it stops one station bleeding air back into another when that branch exhausts.\u003c\/p\u003e\n\n\u003ch3\u003eTypical use\u003c\/h3\u003e\n\u003cp\u003eVertical axes that must hold position on supply failure, air tank and receiver lines, and any branch that must not lose air to a neighbouring circuit.\u003c\/p\u003e\n\n\u003ch3\u003eOrdering\u003c\/h3\u003e\n\u003cp\u003eOrder by the full code \u003cstrong\u003eAK4000-04\u003c\/strong\u003e. The first number gives the body size and the suffix gives the port thread, so one character changes the part. Need another port size in the AK range, or a pilot-operated check valve instead? Send the code and quantity and we will quote it.\u003c\/p\u003e\n\n\u003ch3\u003eSupply from Korea\u003c\/h3\u003e\n\u003cp\u003eGenuine SMC, stocked and shipped from Gyeonggi-do, Korea, with export packing and commercial documents prepared as standard.\u003c\/p\u003e","brand":"SMC","offers":[{"title":"Default Title","offer_id":50519473422555,"sku":"AK4000-04","price":14.11,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1052\/8660\/files\/001_0615615f-8fc1-4ff1-96ca-84c211725495.png?v=1790421200","url":"https:\/\/wowtoolz.com\/products\/smc-ak4000-04","provider":"WowToolz","version":"1.0","type":"link"}