Cryogenic Solenoid Valve Cryogenic Solenoid Valve Valve Ways and Positions 2-Way/2-Position Normally Closed Media - Valves Air Ammonia Cryogenic Fuel Oil Inert Gases Light Oil Liquid Propane Natural Gas Oxygen Steam Vacuum Water Pipe Size - Valves 1/4 In. Min Operating Pressure Differential 0 psi Max Operating Pressure Differential Air/Inert Gas 40 psi Max Operating Pressure Differential Light Oil 40 psi Max Operating Pressure Differential Water 40 psi