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 550 psi Max Operating Pressure Differential Light Oil 600 psi Max Operating Pressure Differential Water 600 psi Indoor Outdoor Voltage 12VDC Coefficient of Volume 0.02 Body Material - Valves Brass Coil Insulation Class F