Solenoid Valve Valve Ways 2-Way Valve Starting Configuration Normally Closed Valve Type High Pressure Nominal Pipe Size 1 in Orifice Diameter 1 3/8 in Body Material Aluminum Coefficient of Volume (Cv) 14.6 Operating Pressure Differential Air/Inert Gas - Maximum 1.5 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 General Purpose with Junction Box