On-Line Catalog : UL Rated Fire, Smoke and Ceiling Radiation Dampers > Fire Dampers > Dynamic 1-1/2 Hr Rated > Curtain > VFD-10D-B
Model VFD-10D-B 1-½ hour dynamic rated - fire damper curtain style blade
Application
The VFD-10D-B fire damper employs out of the airstream curtain style blades for point-of-origin control of fire in static and dynamic HVAC systems. The VFD-10D-B is qualified to 4,000 ft/min (20.4 m/s) and 4 in.wg. (1.0 kPa) and may be installed in vertical walls or partitions, or horizontally in floors or assemblies with fire resistance ratings up to 2 hours.
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