Quoting Standards Design and Manufacture GB12235 Face to face/End to end dimensions to GB12221 Pressure-Temp Rating GB9131 or JB/T3595 or HG20604 Flange dimensions to JB/T74～90 or 9113 or HG20592～20635 Inspection and Test to JB/T9092 or GB13927 Product Main Usage Lift Check Valve is suitable to PN1.6-16.0Mpa and Working Temperature -29℃ to 550℃ in Oil, Chemical Industry, and fire force station. Its suitable is water, oil, steam etc. Product Construction 1.Design conforms to GB12235 standard, reliable seal, perfect performance. 2.Disc, seat sealing face adopt iron alloy or stellite to be over-lay, wearable, anti-high- temperature, rust-proof, non-scratch, long life service. 3.Suitable for all kinds of fitting flange and flange face type, meet all kind of project appliance and clients' requirement. 4.Large variety body material for selection, gasket can be reasonably selected according to actual situation and clients' requirement, applicable for all kinds of pressure rating, temperature and media. 5.Several construction and connection type can be chooser according to clients' requirement, suitable for many type of sets. Material of main parts Valve Bady WCB ZGCr5Mo ZG1Cr18Ni9Ti ZG1Cr18Ni12Mo2Ti Valve Cover 25 ZGCr5Mo ZG1Cr18Ni9Ti ZG1Cr18Ni12Mo2Ti Disc WCB 1Cr18Ni9Ti ZG1Cr18Ni9Ti 1Cr18Ni12Mo2Ti Stem 25 1Cr18Ni9Ti 1Cr18Ni9Ti 1Cr18Ni12Mo2Ti Gasket Wrapped gasket 1Cr18Ni9Ti 1Cr18Ni9Ti 1Cr18Ni12Mo2Ti