Solenoid Valve, Plastic Solenoid Valve, Valve Ways and Positions 2-Way/2-Position, Normally Closed, Media - Valves Compatible Fluids, Inert Gases, Water, Pipe Size - Valves 3/4 in, Min. Operating Pressure Differential 10 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, Environmental Rating - Valves Outdoor, Voltage 12V DC, Coefficient of Volume 9.7