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 2 In. Min Operating Pressure Differential 5 psi Max Operating Pressure Differential Air/Inert Gas 150 psi Max Operating Pressure Differential Light Oil 90 psi Max Operating Pressure Differential Water 125 psi Indoor Outdoor Voltage 24VAC Coefficient of Volume 43.00 Body Material - Valves Brass Coil Insulation Class F