Triple Offset Butterfly Valve Connection Type: Wafer Type Operated Manner:Worm Gear, handle, Operation: Lever, Gear, Electric actuator, Pneumatic actuator Design and Manufacture Standard:API609 Norminal Pressure:150-300LB Size:2-56" Body Material:WCB, CF3, CF8, CF3M, CF8M, Monel Seat:WCB, CF3, CF8, CF3M, CF8M, Monel Working Temperature:-196-550℃ (Different raw material for different temperature) Suitable:Water, oil, gas and other causticity medium etc (Different raw material for different medium)