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Pottorff > Air Control Dampers > Air Control Dampers > Commercial > CD-53

Model CD-53

Control Damper
Narrowline Aluminum Airfoil Blade

CD-53 control damper employs narrowline aluminum airfoil blades that operate with an aluminum channel frame for automatic air control and manual balancing in low to medium pressure and velocity applications.

 

CD-53 Narrowline Aluminum Airfoil Blade

Standard Construction

Frame: 4" x 1" x 0.081" minimum (102 x 25 x 2.1) extruded aluminum channel.

Blades: 4" (102) heavy gauge, dual wall extruded aluminum - airfoil. Parallel.

Axles: 1/2" (13) diameter plated steel hex.

Linkage: Concealed in frame.

Bearings: Synthetic.

Seals: PVC blade edge seals and flexible metal jamb seals.

Control Shaft: 1/2" x 6" (13 x 152) round drive axle with outboard shaft support bracket and bearing supplied on all single section dampers for field installation. 

Minimum Size:
One Blade: 6" x 6" (152 x 152).
Two Blades: 6" x 9" (152 x 229)

Maximum Size:
Single Section: 60" x 72" (1524 x 1829)
Multiple Sections: Unlimited

 

Ratings

Leakage: 7.0 cfm/ft2 @ 10.0 in. wg. (0.04 m3/s/m2 @ 2.50 kPa)

                 6.0 cfm/ft2 @ 7.0 in. wg. (0.03 m3/s/m2 @ 1.70 kPa)

                 4.0 cfm/ft2 @ 4.0 in. wg. (0.02 m3/s/m2 @ 0.90 kPa)

Temperature: -10oF to 150oF (-23oC to 66oC)

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