HEA Series Quarter-Tum Electric Actuator is used for controlling 0-270 degree Rotation valves and other similar products,such as butterfly valve,ball valve, damper,flapper valve,cock valve etc... It widely applies to petroleum,chemical, water treatment,shipping,peper,making,power plant and other industries. Drived by 380V/220V/110VAC OR 24V/110VDC Power,Inputs 4-20mA Or0-10 VDC control signal, Moves valve to the right position, and achieve to automatic control. The Maximum output toque is 2000 N.m