果冻视频

FSD-331

The FSD-331 is a combination fire smoke damper with airfoil blades. This model is rated for use in walls, floors, or partitions with a fire resistance rating of 3 hours or more and a Class I leakage rating.

  • Pressure: Up to 8 in. wg
  • Velocity: Up to 4000 fpm
  • Temperature: Up to 350掳F

Certifications:

AMCA Air Performance

California State Fire Marshal (Listing # 3230-0981: 0104)

UL 555 and UL 555S (Listing #R13317)

California State Fire Marshall (Listing # 3225-0981:0103)

Purchase Options:
Codes:

International Building Code (IBC)

National Fire Protection Association (NFPA 80, 90A, 92, 101, and 105)