Blast Gate For Nominal Duct Diameter 10 in Body Material Steel Overall Length 23 5/8 in Product Type Manual Blast Gate Weight 27 lb Maximum Pressure Rating Not Applicable Blade Material Galvanized Steel Maximum Temperature Rating 300 Degrees F Nameplate Voltage Not Applicable Number of Air Cylinders Not Applicable Seal Material Not Applicable Maximum Operating Pressure -30 in wc Minimum Operating Pressure Not Applicable Minimum Pressure Rating Not Applicable Overall Depth 5 3/4 in