Solenoid Valve Body Material Brass Media Air/Inert Gas Light Oil and Water 4-Way/2-Position Pipe Size 1/4 In. Orifice Dia 3/16 In. Coefficient of Volume 0.70 Min Operating Pressure Differential 0 psi Max Operating Pressure Differential Air/Inert Gas 125 psi Max Operating Pressure Differential Light Oil 100 psi Max Operating Pressure Differential Water 100 psi Coil Insulation Class F NEMA Rating 3 3S 4 4X 6 6P 7 9 Max Fluid Temp 160 Degrees F Voltage 110/120VAC