Allgemeine Stellantrieb

Service Environment and Main Technical Data 1.Power voltage: 380V,50Hz(380V660V,50Hz,60Hz for special order) Control voltage: 220V,50Hz(220V240V,50Hz,60Hz for special order) 2.Service environment: 2.1.1 Environmental temperature: -2060 2.1.2 Permitted relative humidity: no more than 90%25 2.1.3 No corrosive, flammable and explosive media. 2.1.4 Protection IP55 IP68 for special order 2.1.5 Short-time duty, rated time 10 minutes. General Description Series ZB Electric Valve Actuators are designed for two position valves and suitable for valves which stems move linearly, such as globe valve, gate valve, throttle valve and diaphragm valve. Combined with a two stage reducer, they can also be used in operating valves which stems move rotating, such as ball valve and butterfly valve.