Quick Exhaust Solenoid Valve Quick Exhaust Solenoid Valve Valve Ways and Positions 3-Way/2-Position Normally Closed 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 120VAC Coefficient of Volume 0.12