Model CD-87R

Industrial Control Damper
Single Blade - Round

CD-87R control dampers employ a rugged round channel frame and a single round blade for automatic air control and manual balancing in medium to high pressure and velocity applications. 

Standard Construction

Frame: Steel channel.

Flange Type: Round.

Blade Material: Steel.

Blade Stop: Full open and closed position pin stop.

Blade Style: Single round steel blade; reinforced where required.

Axles: Plated steel.

Bearings: External ball bearing up to 250^oF (121^oC)

Control Shaft: 6" (152) long round drive axle.

Finish: 
Hi-Pro poly powder coat, gray, *MCOT of 250^oF (121^oC).
High-temp powder coat, gray, *MCOT of 400^oF (204^oC).

Minimum Size:
6" Ø (152 Ø)

Maximum Size:
60" Ø (1524 Ø)

Lifting Lugs: Four 1" (25) lifting lugs provided on dampers > 16 Ø (406 Ø)

* Maximum Continuous Operating Temperature

Ratings

Velocity:
Up to 7000 fpm (35.6 m/s) 

Temperature:
-40^oF to 400^oF (-40^oC to 204^oC) 

Pressure:
Up to 30 in. wg. (7.5 kPa)