... , Water, Oil, GasMotion PatternDirect Drive TypeTypeNormal Close Type(UWH:Normal Open Type)Aperture Flow Rate2.541.22CV Value0.230.600.050 ... -50Working MediumAir,Water,Oil,gasOperationDirect ActingActing TypeNormally Close Type(UWH:Normal Open Type)Orifice Size(mm)162025354050CV Value4.87.612242948Port SizeG3/ ... VITON UW Model Under Water Gas Direct Act Solenoid Normal Closed Very Fast Open Steam