Solenoid Valve Valve Ways 2-Way Valve Starting Configuration Normally Closed Valve Type High Flow Gas Shut Off Nominal Pipe Size 1 in Orifice Diameter 1 5/8 in Body Material Aluminum Coefficient of Volume (Cv) 21 Operating Pressure Differential Air/Inert Gas - Maximum 5 psi Operating Pressure Differential Fuel Gas - Maximum 5 psi Seal Material NBR Voltage 12V DC Operating Pressure Differential Fuel Oil - Maximum Not Applicable Coil Enclosure With Junction Box