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DFD-350

Model DFD-350 is for use in walls, floors, and partitions with fire-resistance ratings of three hours or more. This model has a 3鹿鹿/鈧佲倖 inch frame. Dynamic-rated-fire dampers are used with HVAC systems that remain operational during a fire emergency.

  • Pressure: Up to 4 in. wg
  • Velocity: Up to 4000 fpm
  • Temperature: Up to 286掳F

Certifications:

UL 555 (Listing # R13317)

California State Fire Marshall (Listing # 3225-0981:0102)

Purchase Options:
Codes:

International Building Code (IBC)

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