Products DetailsWenzhou Yuzheng Valve Pipe-Fitting Co.,Ltd is one of the leading China h12w screwed vertical type check valve manufacturers,Website:http://www.yz-valves.com, welcome to wholesale cheap h12w screwed vertical type check valve from our professional factory.H12W-16P/R Stainless Steel Vertical Type Check ValveTechnical Requirement:Making and confirming according to the regulation of GB/T12224-1989;Other technical requirement according to the regulation of JB2884-81;Supply the regulation of demanding to press GB/T12252-1989;The valve is checked and tested according to the regulation of GB/T13927-92.Material ListPart NameBody,Guide,DiscSealing FaceH12W-25PStainless SteelH12W-40PH12W-25RStainless SteelH12W-40RH12H-16CCarbon SteelB-weld harden alloySpecificationsNominal pressureStructural testing pressureSeal testing pressureOperating temperatureWorking pressure1.62.4WaterGas≤200℃1.61.80.6Suitable the medium:general corrosive medium,medicine fluid,drinkDimension ListDNGL151/2〞68203/4〞78251〞89321-1/4〞100401-1/2〞106502〞121