Solenoid Valve Solenoid Valve Valve Ways and Positions 4-Way/2-Position Media - Valves Air Inert Gases Light Oil Water Pipe Size - Valves 1/4 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 Indoor Outdoor Voltage 24VDC Coefficient of Volume 0.09 Body Material - Valves Brass Coil Insulation Class F