... alloy,nickel,zirconium,hastelloy,ect size:DN25~DN250 swing check valve-titanium1.work pressure:PN2.5,PN10,PN16,ect2.flow way ... :Level through,Angle valves,Y type.3.linkage:flange,thread4.valve clack:ball, plane seal embolization, cone seal embolization.5.standard ... service:Reply your in inquiry within 24 working hours.Customized design is available, OEM or ODM is welcome. swing check ...