Pilot Solenoid Valve Pilot Solenoid Valve Valve Ways and Positions 5-Way/2-Position Valve Configuration Universal Media - Valves Air Inert Gases Pipe Size - Valves 1/4 In. Min Operating Pressure Differential 30 psi Max Operating Pressure Differential Air/Inert Gas 150 psi Corrosive Hazardous Indoor Outdoor Voltage 24VDC Coefficient of Volume 0.86 Body Material - Valves Anodized Aluminum Coil Insulation Class F Seal Material - Valves NBR Polyurethane Orifice Dia 1/4 In.