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Dynamic 1.5 Hour Rated Vertical Fire Damper (View Product to Select Size)

The Greenheck Model DFD-150 is for use in walls, floors, and partitions with fire-resistance ratings less than three hours. This model has a 3ยนยน/16 inch frame. Dynamic-rated-fire dampers are in HVAC systems that remain operational in the event of a fire. The DFD150 is labeled for vertical installation only.
Availability:  10000 in stock


Installation, Operation, and Maintenance Manual



UL 555 (Listing # R13317)


International Building Code (IBC)

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

Products specifications
Attribute name Attribute value
Pressure Up to 4 in. wg
Velocity Up to 4000 fpm
Temperature Up to 286°F