Solenoid Valve Solenoid Valve Valve Ways and Positions 3-Way/2-Position Normally Closed Media - Valves Air Inert Gases 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 Not Rated Explosion Proof Indoor Outdoor Voltage 24VDC Coefficient of Volume 1.50 Body Material - Valves Brass Coil Insulation Class F Seal Material - Valves NBR Orifice Dia 5/16 In.