BDD 60 (Back Draft Damper)

STANDARD CONSTRUCTION

FRAME
22Ga (0.85mm) galvanized steel roll formed and pushed double beaded for rigidity and spiral duct connection.

BLADES
18Ga (1mm) aluminum

SEALS
Low-leakage closed cell Neoprene.

BEARINGS
Nylon.

AXLES
Galvanized steel.

FINISH
Mill Finish

OPERATOR
Stainless steel spring installed on the blade

SIZES
MINIMUM SIZE: ø4"
MAXIMUM SIZE: ø12"

FRAME LENGTH
8" long"

Dampers are supplied 1/4” less than order sizes
unless specified ”Actual Size”.