... valve.It adopts the pilot action structure, with zero differential pressure starting function, handsome shape, and large flow.It is ... /81/23/411-1/41-1/22Viscosity LimitUnder 20CSTOperating Pressure RangeAir:0~0.7MPa, Water:0~0.5MPa, ... Voltage Range±10% of rated voltageMaterial of BodyBrassSeal MaterialXNBRMediaWaterApplicable pressure range0.15~0.85MpaProof pressure1.2MpaAmbient and fluid temperature ...