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Pottorff > Air Control Dampers > Air Control Dampers > Industrial > CD-84

Model CD-84

Industrial Control Damper
Triple-V Blade

CD-84 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.

CD-84 Triple-V Blade

Standard Construction

Frame: 8" x 2" x 12 ga. (203 x 51 x 2.8) galvanized steel channel. 

Blades: 7-3/4" x 14 ga. (197 x 2.0) galvanized steel - triple-V. Opposed.

Axles: 3/4" (19) diameter plated steel hex.

Linkage: Concealed in frame.

Bearings: Stainless steel sleeve-type, pivot in bushing, press fit into frame.

Control Shaft: 3/4" x 6" (19 x 152) round drive axle with shaft support bracket and bearing mounted to damper frame with factory mounted/welded manual locking quadrant.

Minimum Size:
6" x 12" (152 x 305)

Maximum Size:
With Seals: 48" x 72" (1219 x 1829)
Without Seals: 48" x 96" (1219 x 2438)                       

 

Ratings

Leakage:
16.0 cfm/ft2 @ 15.0 in. wg. (0.08 m3/s/m2 @ 3.8 kPa) with low leakage seals
13.0 cfm/ft2 @ 10.0 in. wg. (0.07 m3/s/m2 @ 2.5 kPa) with low leakage seals
10.0 cfm/ft2 @ 6.0 in. wg. (0.05 m3/s/m2 @ 1.5 kPa) with low leakage seals

Temperature:
-65oF to 250oF (-54oC to 121oC) with no seals or with silicone seals
-10oF to 150oF (-23oC to 66oC) with PVC seals

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