Blast Gate, Cast Aluminum Body, Galvanized Steel Gate, 5 3/32 in W, 21 49/64 in L

Blast Gate, For Nominal Duct Diameter 4 in, Body Material Cast Aluminum, Overall Length 21 3/4 in, Product Type Pneumatic Blast Gate, Weight 4.8 lb, Maximum Pressure Rating 2,434 in wc, Blade Material Galvanized Steel, Maximum Temperature Rating 300 Degrees F, Nameplate Voltage 110/120V AC, Number of Air Cylinders 1, Seal Material Not Applicable, Maximum Operating Pressure -30 in wc, Minimum Operating Pressure Not Applicable, Minimum Pressure Rating 80 psi, Overall Depth 1 7/8 in