Solenoid Valve Valve Ways 2-Way Valve Starting Configuration Normally Closed Valve Type High Flow Nominal Pipe Size 1/2 in Orifice Diameter 5/8 in Body Material Brass Coefficient of Volume (Cv) 2.8 Operating Pressure Differential Air/Inert Gas - Maximum 350 psi Operating Pressure Differential Fuel Gas - Maximum Not Applicable Seal Material NBR/PTFE Voltage 220V AC 240V AC Operating Pressure Differential Fuel Oil - Maximum Not Applicable Coil Enclosure Watertight