Apply to butterfly valve, ball valve, plug valve, damper, etc 90° turn valves. Level of protection: ip65.(the highest is ip67).     output torque range:50~250000nm, output rotate speed range:12~36rpm.     power supply: normal: triphase 380v (50hz). Special: single phase 110v. Single phase 220v. Triphase 415v.660v, (50hz.60hz)     environment temperature : -20·+60℃(special order-60~+80℃)     relative humidity≤95%(25℃).