Model CD-22R

Round Control Damper
Triple-V Blade

CD-22R control damper employs a sturdy round frame and triple-V blades for automatic air control and manual balancing in low to medium pressure and velocity applications.

Standard Construction

Frame: 2" x 16 ga. (51 x 1.6) galvanized steel.

Blades: 16 ga. (1.5) galvanized steel triple-V.

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

Linkage: Concealed in frame.

Bearings: Synthetic.

Control Shaft: 1/2" x 3" (13 x 76) drive axle. 

Minimum Size: 12" Ø (305 Ø).

Maximum SIze: 36" Ø (914 Ø)

Ratings

Maximum System Velocity: 1500 fpm (7.7 m/s)

Maximum System Pressure: 2.5 in. wg. (0.62 kPa) 

Temperature: -25^oF to 180^oF (-32^oC to 83^oC)