Sales EnquiryCatalogue
LIFE SAFETY DAMPERS
LIFE SAFETY DAMPERS
TUNNEL VENTILATION DAMPER -BRE-UK 
Tunnel Ventilation Damper –BRE-UK
| Model | : | TVD-GB-40D-E |
| Construction | : | Galvanized Steel |
| Blade | : | Aerofoil Blade |
| Fire Rating | : | 4 Hrs. As per BRE |
| Leakage | : | Class-I as per UL-555S( Under Process) |
| Max Velocity | : | 3000FPM |
| Max Pressure | : | 8” w.g |
| Airflow Direction | : | Either |
| TRD | : | 165 ° F (74 °C) |
| Installation | : | V/H |
| Drive | : | Electric |
BETEC CAD.‘s B-40 Series Tunnel ventilation damper is high performance BRE UK with 4 Hrs. fire rated and UL-555S classified Class-I leakage rating. May be installed vertically or horizontally (with blades running horizontally) and is rated for air flow in either direction.
| Size Limitation |
|---|
| Module | Width x Height | Mounting Position |
|---|---|---|
| Single | Max X Max. 12″ x 12″ | V/H |
| Single | Max X Max. 40″ x 48″ | V/H |
| Single | Max X Max. 80″ x 96″ | V |