Check Valve Product description锛?/strong> Open and close components rely on the force of the medium flow to open or close, to prevent media backflow valve said so far back valve. Check valve belongs to automatic valve, mainly used for one-way flow of medium on the pipeline, only allow one-way flow of medium, in order to prevent accidents. Design specification: Valve name:Large Check valve Design criteria:GB/T 12236,API 6D,BS 1868,EN 10739,DIN 3356 Nominal size:DN15---DN1600锛?/2----64鈥?/p> Nominal pressure:0.25---42.0(Mpa)锛?5LB---2500LB Material:Steel Applicable medium:Temperature is -29 ~ 425鈩?Air, water, steam and other media FAQ: Q: Do you have the test and audit service? A: Yes, we can assist to get the designated test report for product and the designated factory audit report. Q: What鈥檚 is your shipping service? A: We can provide services for vessel booking, goods consolidation, customs declaration, shipping documents preparation and delivery bulk at the shipping port. Q: Can you provide the FBA shipping service? A: Yes, we have the good experience in providing the professional FBA service. Q: What鈥檚 your after-sale service? A: Our quality warranty period is one year. Any quality problem will be solved to customer satisfactions.Check Valve website:http://www.biyi-valves.com/check-valve/