... .With magnegtic oil return filter 4.With accumulator FDRZ series air blower thin oil lubrication equipment is a auxiliary product ... level sensor, oil leveler, electrical contacts and bimetal thermometer, air purifier, sampling valves, oil drainage valve an so on ... /220VFluctuations≤10%;50Hz, Fluctuations≤1%Ambient Temperature: (0-40)°C (Humidity: 60%-90%)No vibration, corrosive gas, fire, explosion ...