FAMCO® BD4 Inline 4" Butterfly Backdraft Damper | First Supply

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FAMCO® BD4 Inline 4" Butterfly Backdraft Damper

FAMCO® BD4 Inline 4" Butterfly Backdraft Damper

Item #FAMBD4

MFG #BD4

: The FAMCO BD butterfly backdraft damper is used as a backdraft damper for heat exchangers, air exhaust systems, solar heating systems and other HVAC air intake or air exhaust applications where a powered damper is not needed, this product is not rated for use with a dryer. This damper works in both horizontal or vertical positions and the foam seal provides minimal air leakage. Due to its unique design and aluminum blades, it opens easily with normal air flow and closes with gravity. Quality constructed from heavy-duty galvanized steel,

: Works for horizontal and vertical applications

For intake or exhaust applications

Foam seal provides minimal leakage

It opens easily with normal air flow and closes by gravity

: Damper Size4 in
Domestic / ImportDomestic
MaterialGalvanized Steel
TypeButterfly
gauge28
ManufacturerFAMCO
Manufacturer #BD4
Mounting TypeIn- Line
SeriesBD
ShapeRound

: Specification Sheet

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