Solenoid Valve Valve Ways 2-Way Valve Starting Configuration Normally Closed Valve Type Diaphragm and Piston Nominal Pipe Size 1/2 in Orifice Diameter 1/2 in Body Material Brass Coefficient of Volume (Cv) 4.7 Operating Pressure Differential Air/Inert Gas - Maximum 150 psi Operating Pressure Differential Fuel Gas - Maximum Not Applicable Seal Material EPDM/PTFE Voltage 110V AC 120V AC Operating Pressure Differential Fuel Oil - Maximum Not Applicable