FSD-331 : Combination Fire Smoke Damper
FSD-331 : Combination Fire Smoke Damper
The FSD-331 is a combination fire/smoke damper with airfoil blade construction, designed to deliver high-capacity airflow performance with minimal pressure drop. Rated for installation in walls, floors, or partitions with a fire resistance rating of 3 hours or more, it is well-suited for demanding life safety applications. With a Class I leakage rating, the FSD-331 provides superior smoke control performance while maintaining reliable, code-compliant protection in critical building assemblies.
Product Highlights
| Application |
Traditional In-Wall
|
|---|---|
| Blade Type |
Airfoil
|
| Fire Resistance Rating |
3 Hour
|
| Leakage Class |
I
|
| Maximum Pressure Rating (in. wg.) |
8
|
| Maximum Velocity (fpm) |
4,000
|
Request Drawing