... , BS,main material C1, WCB, ZG1Cr18Ni9Ti, ZG1Cr18Ni12Mo2Ti, CF8, CF3, CF3Mseal type: stainless steel hard seal, Teflon sofe sealleakage: stainless steel hard ... : bevel gear, electric, handwheel, hydraulic, Flash Board knife gate Valve (API CE approved)