Solenoid Valve Valve Ways and Positions 2-Way/2-Position Normally Closed Pipe Size - Valves 1-1/2 In. Min Operating Pressure Differential 0 psi Max Operating Pressure Differential Air/Inert Gas 135 psi Max Operating Pressure Differential Light Oil 120 psi Max Operating Pressure Differential Water 120 psi Voltage 24VCD Coefficient of Volume 22.50 Body Material - Valves Brass Coil Insulation Class F Seal Material - Valves NBR Orifice Dia 1-1/4 In. NEMA Rating 4X IP Rating 65