Solenoid Valve Solenoid Valve Valve Ways and Positions 1-Way/2-Position Normally Closed Media - Valves Air Inert Gases Potable Water Pipe Size - Valves 1 In. Min Operating Pressure Differential 0 psi Max Operating Pressure Differential Air/Inert Gas 150 psi Max Operating Pressure Differential Light Oil 125 psi Max Operating Pressure Differential Water 232 psi Indoor Voltage 120VAC Body Material - Valves Brass Coil Insulation Class H Seal Material - Valves NBR