The FSD60GA is a UL555 Classified Fire Damper and a UL555S Classified Smoke Damper. It is designed for supply or return ducts with grille outlet. It features:
- Through the grille access to damper and accessories.
- Easy installation from one side.
- Fail-safe design, which enables the damper to automatically assume the desired position when fire interrupts operational power.
- 4,000 fpm and 8" w.g. maximum rating.
- UL555 1 1/2 hour Fire Damper.
- UL555S Class I Leakage Rated.