Ƶ

DFD-310

Model DFD-310 is for use in walls, floors, and partitions with fire-resistance ratings of three hours or more. This model has a 2³/₁₆ 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°F

Certifications:

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

UL 555 (Listing # R13317)

Purchase Options:
Codes:

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

International Building Code (IBC)