Industrial Control Damper
AC-91 control damper employs double skin airfoil blades and a rugged flanged frame for automatic air control and manual balancing in medium to high pressure applications.
Frame: 8" x 2" x 14 ga. (203 x 51 x 2) galvanized steel channel.
Blades: 6" x 14 ga. (152 x 2.0) equivalent galvanized steel - airfoil. Parallel.
Axles: 1/2" (13) diameter plated steel hex.
Linkage: Concealed in frame.
Bearings: Stainless steel sleeve-type, pivot in bushing, press fit into frame.
Control Shaft: 1/2" x 6" (23 x 152) round drive axle with shaft support bracket and bearing mounted to damper frame with factory mounted/welded manual locking quadrant.
Lifting Lugs: 7/8" (22) diameter, one on each jamb of frame.
Minimum Size: 8" x 6" (203 x 152)
Maximum Size: Single Section: 48" x 96" (1219 x 2438)
Multiple Section: Unlimited
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