Steam Solenoid Valve Less Coil Steam Solenoid Valve Less Coil 2-Way Normally Closed Media - Valves Air Steam Water Pipe Size - Valves 3/8 In. Min Operating Pressure Differential 2 psi Max Operating Pressure Differential Light Oil 300 psi Max Operating Pressure Differential Water 300 psi Environmental Rating - Valves Indoor Outdoor Coefficient of Volume 2.20 Body Material - Valves Brass Seal Material - Valves PTFE Orifice Dia 3/8 In. Safe Working Water Pressure 350 psi