Blast Gate For Nominal Duct Diameter 6 in Body Material Grade 304 Body Material Stainless Steel Overall Length 11 in Product Type Manual Blast Gate Weight 6.6 lb Maximum Pressure Rating Not Applicable Blade Material Stainless Steel Maximum Temperature Rating 600 Degrees F Nameplate Voltage Not Applicable Seal Material Not Applicable Minimum Operating Pressure Not Applicable Minimum Pressure Rating Not Applicable Overall Depth 4 1/2 in Overall Width 18 in Standards Not Applicable