Counterbalanced Backdraft Damper CBD2 Ruskin

The CBD2 is an extremely sensitive gravity operated backdraft damper. It features:

Extruded aluminum construction.
Counterbalance weights that can be set to relieve air pressure differentials less than .01" w.g.
Excellent weather protection when installed in exterior walls.

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Symbol Ruskin
Profile: Manufacturer
Headquarters: US
Business area: Global
Establishment date: 1958
Employees: 1000+
Assortment: Dampers , louvers, air measuring systems, ERVs
CBD2 - 1
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Product descritipion

Counterbalanced Backdraft Damper CBD2 Ruskin

STANDARD CONSTRUCTION
(Spot velocities up to 1500 fpm)
FRAME
6063T5 extruded aluminum .090" (2.3) wall thickness. Mitered corners.
BLADES
.025" (.6) formed aluminum with ex-truded vinyl edge seals.
BEARINGS
Synthetic.
LINKAGE 
1/8 " x 1/2 " (3.2 x 13) aluminum tiebars concealed in frame.
COUNTERBALANCE
Zinc plated steel weights on blades. Adjustable for final "on the job" setting.
FINISH
Mill.
MINIMUM SIZE
6" w x 7"h (152 x 178)
MAXIMUM SIZE
Single section – 40"w x 48"h (1016 x 1219).
Assembly of sections – size unlimited.
TEMPERATURE LIMITS
-40˚F (-40˚C) +200˚F (93˚C).

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