Solenoid Valve Plastic Solenoid Valve Valve Ways and Positions 2-Way/2-Position Normally Open Media - Valves Water Pipe Size - Valves 3/4 In. Min Operating Pressure Differential 5 psi Max Operating Pressure Differential Water 120 psi Environmental Rating - Valves Indoor Outdoor Washdown Voltage 24VDC Coefficient of Volume 7.00 Body Material - Valves Polymide Polyphenylene Ether Coil Insulation Class F Seal Material - Valves Santoprene Orifice Dia 3/4 In.