HB-330 : Industrial Backdraft Damper
HB-330 : Industrial Backdraft Damper
The HB-330 heavy-duty industrial backdraft damper is engineered for demanding, high-performance applications. It features a double-flanged galvanized steel frame for structural rigidity and double-thickness fabricated airfoil blades designed to enhance strength while maintaining efficient airflow. Standard external heavy-duty linkage, blade counterbalance, and ball bearings provide smooth, reliable operation and long service life. The HB-330 delivers robust, one-way airflow control where durability, performance, and dependability are critical.
Product Highlights
| Blade Type |
Airfoil
|
|---|---|
| Frame Type |
Flanged Channel
|
| Maximum Pressure Rating (in. wg.) |
20
|
| Maximum Velocity (fpm) |
6,400
|
| Airflow Direction |
Angular Down
Angular Up
Horizontal
Vertical Down
Vertical Up
|
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