Solenoid Valve Solenoid Valve Valve Ways and Positions 2-Way/2-Position Normally Closed Media - Valves Air Inert Gases Light Oil Water Pipe Size - Valves 1-1/2 In. Min Operating Pressure Differential 5 psi Max Operating Pressure Differential Air/Inert Gas 150 psi Max Operating Pressure Differential Light Oil 100 psi Max Operating Pressure Differential Water 150 psi Indoor Outdoor Voltage 24VAC Coefficient of Volume 22.50 Body Material - Valves Brass Coil Insulation Class F