Quarter-turn Actuator 1.Used for power,chemical industry,matallurgy,petroleum 2.Voltage:220V,50HZ 3.Single phase Mechanical Coupling Quarter-turn Actuator Application DKJ-Z type Mechanical Coupling quarter turn actuating mechanism is executive unit of DDZ type electric unit aggregated instrument that can compose regulating mechanism with various 90°rotor angle of valves such as butterfly valve, ...