Solenoid Valve Valve Ways 2-Way Valve Starting Configuration Normally Open Valve Type High Flow Nominal Pipe Size 2 1/2 in Orifice Diameter 1 3/4 in Body Material Brass Coefficient of Volume (Cv) 45 Operating Pressure Differential Air/Inert Gas - Maximum 350 psi Operating Pressure Differential Fuel Gas - Maximum Not Applicable Seal Material NBR Voltage 120V AC Operating Pressure Differential Fuel Oil - Maximum Not Applicable Coil Enclosure Watertight