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Spring Loaded Backdraft Dampers

Backdraft dampers.  Constructed from galvanized steel for the collar and lightweight aluminum for the damper blades. Spring loaded for positive closure.

Can be mounted horizontally or vertically -- horizontal or vertical (up) airflow.  The collars are undercut 1/8" to fit duct (12" size is 1/4" undercut).

model description usually ships price QTY
BDD4 Spring loaded backdraft damper with foam gasket. For 4" round duct. 1 Day. In-stock $9.25
BDD6 Spring loaded backdraft damper with foam gasket. For 6" round duct. 1 Day. In-stock $12.25
BDD8 Spring loaded backdraft damper with foam gasket. For 8" round duct. 1 Day. In-stock $16.50
BDD10 Spring loaded backdraft damper with foam gasket. For 10" round duct. 1 Day. In-stock $21.00
BDD12 Spring loaded backdraft damper with foam gasket. For 12" round duct. 1 Day. In-stock $29.50
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backdraft

backdraft damper

metal backdraft damper

Do you have questions about the products on this page?

Click on the ? image on the left or this link to ask us your questions!
#1 Q:   Is there a noticeable reduction in air flow, specifically if I use two?
A:   You can expect a slight increase in static pressure, but it is almost negligible when using a high statich centrifugal fan.

       Asked on 2014-03-14 by Jeff S
#2 Q:   What is the temperature rating for this product?
A:   The top rating for this is 140 degrees F.

       Asked on 2014-01-03 by Mike

Related Products

Fantech RSK Backdraft Dampers

Backdraft dampers with galvanized steel collar and lightweight aluminum damper blades. Spring loaded for positive closure.

 

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