Environmentally Conscious and Economically Sound Machine Dismantling Forum > Madison, WI
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> Dayton 50 x 50 roof mount backdraft damper 157994
Dayton 50 x 50 roof mount backdraft damper 157994
50 X 50 ROOF MOUNT BACKDRAFT DAMPER
MAX VELOCITY: 2250 FPM, CONSTRUCTION MATERIAL: G-90 GALVANIZED STEEL FRAME, ALUMINUM BLADES, STAINLESS STEEL PIVOT PINS, NYLON BUSHINGS AND GALVANIZED STEEL TIE RODS., INCLUDES PRE-PUNCHED CONDUIT HOLE KNOCK-OUT AND FELTED EDGES FOR QUIET OPERATION, WEIGHT: 28 LB., DIMS: DAMPER SIZE: 50" x 50", OVERALL SIZE: 52" x 52", FLANGE WIDTH: 1". *ONE HAS MINOR DAMAGE**DENT ON BOTTOM FRONT EDGE*
