Solenoid Valve Valve Ways 2-Way Valve Starting Configuration Normally Closed Valve Type Dust Collector Nominal Pipe Size 1 1/2 in Orifice Diameter 2 in Body Material Aluminum Coefficient of Volume (Cv) 53 Operating Pressure Differential Air/Inert Gas - Maximum 125 psi Operating Pressure Differential Fuel Gas - Maximum Not Applicable Seal Material NBR Operating Pressure Differential Fuel Oil - Maximum Not Applicable For Media Air Operating Pressure Differential - Minimum 10 psi