On-Line Catalog : Fire Dampers > Static - 3 hr > Curtain Style > VFD-30-B
Model VFD-30-B 3 hour — static fire damper
curtain style blade
The VFD-30-B fire damper employs out of the airstream curtain style blades for point-of-origin control of fire in static HVAC systems. The VFD-30-B may be installed in vertical walls or partitions or horizontally in floors or assemblies with fire resistance ratings up to 4 hours.