working medium:liquid(acid,alkali),air medium temperature:-5 ~ 60 ºC environment temperature:-10 ~ 50 ºC working pressure:0.1 ~ 6 bar working type:pilot operated(NC) valvebody material:UPVC ,CPVC sealing material:VITON interface thread:Gthread,NPTthread Coil parameters: slowly heating up low power energy saving ES coil AC220~240V 50/60Hz 9VA DC24V 7.5W IP65 H degree