Solenoid Valve, Plastic Solenoid Valve, Valve Ways and Positions 2-Way/2-Position, Normally Closed, Media - Valves Air, Bases, Inert Gases, Light Oil, Water, Pipe Size - Valves 1/8 in, Min. Operating Pressure Differential 0 psi, Max. Operating Pressure Differential Air/Inert Gas 200 psi, Max. Operating Pressure Differential Light Oil 200 psi, Max. Operating Pressure Differential Water 200 psi, Environmental Rating - Valves Outdoor, Voltage 24V AC, Coefficient of Volume 0.17