Solenoid Valve, Valve Ways 2-Way, Valve Starting Configuration Normally Closed, Valve Type Slow-Closing, Nominal Pipe Size 1/2 in, Orifice Diameter 9/16 in, Body Material Brass, Coefficient of Volume (Cv) 3.5, Operating Pressure Differential Air/Inert Gas – Maximum Not Rated, Operating Pressure Differential Fuel Gas – Maximum Not Applicable, Seal Material NBR, Voltage 110V AC, 120V AC, Operating Pressure Differential Fuel Oil – Maximum Not Applicable