Solenoid Valve, Solenoid Valve, Valve Ways and Positions 3-Way/2-Position, Universal, 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 150 psi, Max. Operating Pressure Differential Light Oil 150 psi, Max. Operating Pressure Differential Water 150 psi, Explosion Proof, Indoor, Outdoor, Voltage 120V AC, Coefficient of Volume 0.49, Body Material - Valves Brass