FDD

Dynamic Curtain Fire Dampers
The FDD series of 1-1/2 & 3 hour rated dynamic curtain fire dampers are UL, ULC & California State Fire Marshal listed dampers, available for either vertical or horizontal mount. Dynamic rated dampers are approved for use in HVAC systems where the air handling units will stay running during a fire.
  • Available with a full range of factory sleeves and duct transitions including integral sleeved models
  • Slim Line models available (Models FDD-A-SL & FDD-B-SL) available for transfer applications and space constrained applications
  • Flanged sleeve and “out of wall” grille mount versions available
Submittal

Submittal - Type A Dynamic Curtain Fire Damper - 1-1/2 or 3 Hour - FDD-A
Submittal - Type A Static Curtain Fire Damper - Integral Sleeve - 1-1/2 or 3 Hour - FDD-A-S
Submittal - Slimline Type A Dynamic Curtain Fire Damper - 1-1/2 or 3 Hour - FDD-A-SL
Submittal - Type B Dynamic Curtain Fire Damper - 1-1/2 or 3 Hour - FDD-B
Submittal - Type B Dynamic Curtain Fire Damper - Integral Sleeve - 1-1/2 or 3 Hour - FDD-B-S
Submittal - Slimline Type B Dynamic Curtain Fire Damper - 1-1/2 or 3 Hour - FDD-B-SL
Submittal - Type C Dynamic Curtain Fire Damper - 1-1/2 or 3 Hour - FDD-C
Submittal - Type C Dynamic Curtain Fire Damper - Integral Sleeve - 1-1/2 or 3 Hour - FDD-C-S
Submittal - Type A Horizontal Grille Mount Dynamic Curtain Fire Damper - 1-1/2 or 3 Hour - FDD-HAG
Submittal - Type A Vertical Grille Mount Dynamic Curtain Fire Damper - 1-1/2 or 3 Hour - FDD-VAG
Submittal - Out of Wall Type A Dynamic Curtain - 1-1/2 or 3 Hour - FDD-OW

Accessories

Submittal - Framed Retaining Angles for UL Fire Damper Installations - FRA

Installation Manuals

Installation Instructions - Fire Dampers - FD
Installation Instructions - Out of Wall / Partition for Fire Dampers and Combination Fire Smoke Dampers
Installation Supplement - Installation in Concrete Floor with Steel Deck

Miscellaneous

Performance Data - Engineering performance data for Fire Dampers
Size Chart for Fire Damper Type B and Type C curtain fire dampers

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