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