Solenoid Valve Valve Ways 2-Way Valve Starting Configuration Normally Open Valve Type High Flow Nominal Pipe Size 2 in Orifice Diameter 2 1/16 in Body Material Aluminum Coefficient of Volume (Cv) 58 Operating Pressure Differential Air/Inert Gas - Maximum 25 psi Operating Pressure Differential Fuel Gas - Maximum Not Applicable Seal Material NBR Voltage 110V AC 120V AC Operating Pressure Differential Fuel Oil - Maximum Not Applicable