BDD – Back Draft Damper

The BDD dampers offer back draft protection in light duty applications. The damper frame is a 16ga welded galvanized construction that is undersized 1/4″ to fit inside the duct. The .025 aluminum blades are attached to the frame with 1/4″ round plated rod and bronze bushings. The stamped aluminum brackets and linkage keep the blades operating together and the felt blade stops provide for quiet operation.

Submittal PDF

 

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