FSD-311 : Combination Fire Smoke Damper
FSD-311 : Combination Fire Smoke Damper
The FSD-311 is a combination fire/smoke damper featuring airfoil blade construction for improved aerodynamic performance and reduced pressure drop. Designed for installation in walls, floors, or partitions, it offers flexibility during design and field coordination. With airflow and leakage ratings in either direction, the FSD-311 supports efficient system layout while maintaining dependable life safety performance and code compliance.
Product Highlights
| Application |
Traditional In-Wall
|
|---|---|
| Blade Type |
Airfoil
|
| Fire Resistance Rating |
1-1/2 Hour
|
| Leakage Class |
I
|
| Maximum Pressure Rating (in. wg.) |
8
|
| Maximum Velocity (fpm) |
4,000
|
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