BD-320 : Backdraft Damper, Vertical Mount
BD-320 : Backdraft Damper, Vertical Mount
Model BD-320 is a vertical-mount backdraft damper designed for horizontal airflow applications, preventing reverse airflow when the fan is off. The blades open under system pressure differential and close by gravity to provide reliable, power-free backdraft protection. A discharge-side flange facilitates secure attachment to the fan outlet. Commonly used as an accessory for wall-mounted fans and centrifugal inline fans.
Product Highlights
| Airflow Direction |
Horizontal
|
|---|---|
| Blade Material |
Aluminum
|
| Frame Material |
Galvanized Steel
|
| Maximum Pressure Rating (in. wg.) |
2
|
| Maximum Velocity (fpm) |
1,500
|
| Mounting Orientation |
Vertical
|
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