FSD-311M : Modulating Combination Fire Smoke Damper
FSD-311M : Modulating Combination Fire Smoke Damper
The FSD-311M is a modulating combination fire/smoke damper with airfoil-style blades, engineered for precise airflow control and efficient system performance. Its aerodynamic blade design helps minimize pressure drop while maintaining dependable life safety protection. Rated for airflow and leakage in either direction, and suitable for installation in walls, floors, or partitions, the FSD-311M provides the flexibility engineers need and the installation confidence contractors expect.
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) |
3,000
|
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