Solenoid Valve Solenoid Valve Valve Ways and Positions 3-Way/2-Position Normally Closed Media - Valves Air Inert Gases Pipe Size - Valves 1/2 In. Min Operating Pressure Differential 0 psi Max Operating Pressure Differential Air/Inert Gas 130 psi Max Operating Pressure Differential Light Oil Not Rated Indoor Outdoor Voltage 24VDC Coefficient of Volume 4.00 Body Material - Valves 316 Stainless Steel Coil Insulation Class F Seal Material - Valves FKM Orifice Dia 5/8 In.