Blast Gate For Nominal Duct Diameter 10 in Body Material Steel Overall Length 9 in Product Type Pneumatic Blast Gate Weight 37.5 lb Maximum Pressure Rating 42 in wc Blade Material Galvanized Steel Maximum Temperature Rating 250 Degrees F Nameplate Voltage 120V AC Number of Air Cylinders 2 Body Material Thickness 22 ga Minimum Operating Pressure 75 psi Minimum Pressure Rating 75 psi Overall Depth 33 in Overall Width 17 3/8 in Shape Rectangular Inside Diameter 10 in Color Silver