Solenoid Valve Solenoid Valve Valve Ways and Positions 3-Way/2-Position Normally Closed Media - Valves Air Inert Gases Light Oil Water Pipe Size - Valves 1/4 In. Min Operating Pressure Differential 0 psi Max Operating Pressure Differential Air/Inert Gas 160 psi Max Operating Pressure Differential Light Oil 160 psi Max Operating Pressure Differential Water 160 psi Indoor Outdoor Voltage 12VDC Coefficient of Volume 0.09 Body Material - Valves Brass Coil Insulation Class F