Blast Gate For Nominal Duct Diameter 10 in Body Material Electroplated Zinc Overall Length 17 in Product Type Manual Blast Gate Weight 13.4 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