Commercial Dampers
AFLD821 GALVANIZED AIRFOIL BLADE DAMPER

Drawings
Features

information not available
Construction
Frame:

8" x 2"  x 14 ga. galvanized steel
Blade:

16 ga. galvanized steel double skin airfoil on 5"-8"  centers.
Bearings: Stainless Steel. Press-fit into frame.
Axle:

1/2" (12.7 mm) dia. plated steel continuous.
Finish:  Mill Galvanized.
Extended Shaft: Removable, 6" long x 1/2” dia.  plated steel coupled to square axle.
Available Sizes:

Minimum Size: 8"w x 6h"  for 1 blade. 8"w x 14"h   for 2 blades. Maximum Size: 48"w x 96"h

Maximum Velocity: 5,000 fpm
Maximum Pressure: 10" w. g.
Maximum
Temperature:		 250 degrees F.

Materials and dimensions are subject to change

All dampers must be installed square and free from racking.
Options
Bearings: Ball Bearings bolted to frame.
Seals: Blade Seals. Jamb Seals. Shaft Seals.
Material: Special Materials or gages.
Bolt Holes: Bolt holes laid out to specification.
Operators: Motor Operators.