Solenoid Valve Valve Ways 2-Way Valve Starting Configuration Normally Closed Valve Type Diaphragm and Piston Nominal Pipe Size 1 in Orifice Diameter 1 in Body Material Brass Coefficient of Volume (Cv) 13.5 Operating Pressure Differential Air/Inert Gas - Maximum 125 psi Operating Pressure Differential Fuel Gas - Maximum Not Applicable Seal Material EPDM/PTFE/TFE/P Voltage 110V AC 120V AC Operating Pressure Differential Fuel Oil - Maximum Not Applicable Coil Enclosure Explosion Proof