FD35G : UL Classified 1 1/2 hr. Dynamic, V-Groove Blade, Grille Style
The FD35G is a UL555 classified, 1-1/2 hour rated, multiblade fire damper. It features:
- Designed to accept a 1 3/4" grille and 3/4" grille flange ships loose.
- UL approval for dual directional air flow.
- Maximum velocity of 3,000 fpm.
- Maximum 6" static pressure.
- Galvanized steel construction.
Note: Consult Ruskin if wall is less than 6" thick
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