Sales EnquiryCatalogue
LIFE SAFETY DAMPERS
LIFE SAFETY DAMPERS
MOTORIZED FIRE DAMPERS – UL555 
Motorized Fire Damper – UL 555 – 1.1/2 Hrs Rated
| Model | : | MFD-GB-20A |
| Construction | : | Galvanized Steel |
| Blade | : | 3V – Single Skin |
| Fire Rating | : | 1 -1/2 Hrs as per UL-555 |
| Max Velocity | : | 2000FPM |
| Max Pressure | : | 4″ w.g |
| Airflow Direction | : | Either |
| TRD | : | 165 ” F (74 “C) |
| Installation | : | V/H |
BETEC CAD.’s B-20 Series Motorized Fire damper is high performance UL-555 classified with 1.1/2 Fire rating. May be installed vertically or horizontally ( with blades running horizontally) and is rated for air flow in either direction.
Motorized Fire Damper – UL 555 – 1.1/2 Hrs Rated
| Model | : | MFD-SB-20A |
| Construction | : | Stainless Steel |
| Blade | : | 3V – Single Skin |
| Fire Rating | : | 1 -1/2 Hrs. as per UL-555 |
| Max Velocity | : | 2000FPM |
| Max Pressure | : | 4″ w.g |
| Airflow Direction | : | Either |
| TRD | : | 165 ” F (74 “C) |
| Installation | : | V/H |
BETEC CAD.’s B-20 Series Motorized Fire damper is high performance UL-555 classified with 1.1/2 Fire rating. May be installed vertically or horizontally ( with blades running horizontally) and is rated for air flow in either direction.
Motorized Fire Damper – UL 555 – 1.1/2 Hrs Rated
| Model | : | MFD-GB-31A |
| Construction | : | Galvanized Steel |
| Blade | : | 3V – Single Skin |
| Fire Rating | : | 1 -1/2 Hrs as per UL-555 |
| Max Velocity | : | 2000FPM |
| Max Pressure | : | 4″ w.g |
| Airflow Direction | : | Either |
| TRD | : | 165 ” F (74 “C) |
| Installation | : | V/H |
BETEC CAD.’s B-30 Series Motorized Fire damper is high performance UL-555 classified with 1.1/2 Fire rating. May be installed vertically or horizontally ( with blades running horizontally) and is rated for air flow in either direction.
| Size Limitation |
|---|
| Module | Size: Width x Height | Mounting Position |
|---|---|---|
| Single | Max x Max. 24″ x 48″ | H |
| Single | Max x Max. 36″ x 36″ | V/H |
| Single | Max x Max. 48″ x 48″ | V/H |
| Multiple | Max x Max. 72″ x 72″ | V/H |
| Single | Max x Max. 144″ x 96″ | V/H |
| Material | Damper Operation | |||
|---|---|---|---|---|
| projects/betec/ CAD Model | Frame | Blade | Standard | Optional |
| MFD-GB-20/31A | GI | GI | FC | FO |
| MFD-SB-20A | SS | SS | FC | FO |
| MFD-SGB-20A | SS | GI | FC | FO |
| MFD-GSB-20A | GI | SS | FC | FO |
Round Spigot Suffix – R after the Model