Solenoid Valve Plastic Solenoid Valve Valve Ways and Positions 2-Way/2-Position Normally Closed Media - Valves Compatible Fluids Inert Gases Water Pipe Size - Valves 3/4 In. Min Operating Pressure Differential 10 psi Max Operating Pressure Differential Air/Inert Gas 150 psi Max Operating Pressure Differential Light Oil 150 psi Max Operating Pressure Differential Water 150 psi Environmental Rating - Valves Outdoor Voltage 24VDC Coefficient of Volume 9.70