try6, Wall thickness complies with B16.34.7, operation include handle wheel, gear box, pneumatic actuator and electric actuator.Valve materials Body material : WCB,A105,LCB,304/F304, 316/F316 S.S.,304L/F304L,F316L, Alloy steel Ball material : A105, F304/F316/316L (chrome plate is available, 100μm ~ 1000μm) Stem material :410S.S., F304,F316, F316L Seat material : WC-Co Applicable standard for Valve :Design and Manufacture according to: API608,API6D,ASME B16.34, DIN, Length of Face to face : ASM