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DFDAF-330

Model DFDAF-330 is a multi-blade dynamic-rated-fire damper with airfoil style blades for use in walls, floors, and partitions with fire-resistance ratings of three hours or more. Dynamic-rated-fire dampers are used with a HVAC systems that remain operational during a fire emergency.

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

Certifications:

AMCA Air Performance

UL 555 (Listing # R13317)

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

Purchase Options:
Codes:

International Building Code (IBC)

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