The DFD60 is a UL555 classified, 1 1/2 hour rated, multiblade fire damper. It features:
- Airfoil blades, which have greater strength, less static pressure, superior sealing ability, superior fire protection ability and produce less noise.
- UL approval for dual directional air flow.
- Maximum velocity of 4,000 fpm.
- Maximum 8" static pressure.
- Galvanized steel construction.
|