EM-31 : Extruded Backdraft Damper, Vertical Mount
EM-31 : Extruded Backdraft Damper, Vertical Mount
Model EM-31 is a vertically mounted aluminum backdraft damper designed for horizontal airflow applications. The blades open under system pressure differential and close by gravity, delivering reliable, power-free backdraft protection. A discharge-side flange provides secure attachment, and adjustable counterbalance weights assist blade opening.
Product Highlights
| Airflow Direction |
Horizontal
|
|---|---|
| Blade Material |
Aluminum
|
| Frame Material |
Aluminum
|
| Maximum Pressure Rating (in. wg.) |
10
|
| Maximum Velocity (fpm) |
3,500
|
| Mounting Orientation |
Vertical
|
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