Model VFD-10-IMB
1-1/2 Hour - Dynamic Rated - Fire Damper
Integral Mounting Angle - Curtain Style Blade
The VFD-10-IMB fire damper employs out of the air stream curtain style blades and a factory installed integral mounting angle for point-of-origin control of fire in static and dynamic HVAC systems. The integral mounting angle is designed and approved to be fastened directly to the fire separation and may be installed under the drywall in metal stud construction. The VFD-10-IMB may be installed in vertical walls or partitions with fire resistance ratings up to 2 hours
Standard Construction
Sleeve/Frame: Integral 12" x 20 ga. (305 x 1.0) galvanized steel with 1-1/2" x 20 ga. (38 x 1.0) galvanized steel integral single side mounting angle.
Blades: 24 ga. (0.7) galvanized steel - curtain style.
Fire Closure Device: UL Listed fusible link.
Fire Closure Temperature: 165oF (65oC).
Minimum Size: 4" x 2" (102 x 51)
Maximum Size: 48" x 44" (1219 x 1118)
Ratings
UL 555 Fire Resistance Rating: 1-1/2 Hour (Vertical)
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