Solenoid Valve Valve Ways and Positions 2-Way/2-Position Normally Closed Media - Valves Air Inert Gases Light Oil Water Pipe Size - Valves 3/8 In. Min Operating Pressure Differential 0 psi Max Operating Pressure Differential Air/Inert Gas 210 psi Max Operating Pressure Differential Light Oil 100 psi Max Operating Pressure Differential Water 185 psi Voltage 120/60 110/50 Coefficient of Volume 0.45 Body Material - Valves Brass Coil Insulation Class F Seal Material - Valves NBR