Industrial Control Damper
AC-81 control damper employs a rugged channel frame and triple-V blades for automatic air control and manual balancing in medium to high pressure and velocity applications.
Frame: 8" x 2" x 14 ga. (203 x 51 x 2.0) galvanized steel channel
Blades: 6" x 16 ga. (152 x 1.5) galvanized sttel - triple-V. 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 5" (13 x 127) round drive axle with shaft support bracket and bearing mounted to damper frame with factory mounted/welded manual locking quadrant.
Minimum Size: One Blade: 6" x 6" (152 x 152), Two Blades 6" x 10" (152 x 254)
Maximum Size: With Seals: 36" x 72" (914 x 1829), Without Seals: 48" x 72" (1219 x 1829)
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