Solenoid Valve Valve Ways and Positions 2-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 370 psi Max Operating Pressure Differential Light Oil 160 psi Max Operating Pressure Differential Water 330 psi Voltage 120/60 110/50 Coefficient of Volume 0.18 Body Material - Valves Brass Coil Insulation Class F Seal Material - Valves NBR