Solenoid Valve Solenoid Valve Valve Ways and Positions 2-Way/2-Position Normally Closed Media - Valves Air Inert Gases Water Pipe Size - Valves 1/2 In. Min Operating Pressure Differential 0 psi Max Operating Pressure Differential Air/Inert Gas 40 psi Max Operating Pressure Differential Light Oil Not Rated Max Operating Pressure Differential Water 40 psi Indoor Outdoor Voltage 12VDC Coefficient of Volume 4.00 Body Material - Valves Brass Coil Insulation Class F