Rep Login (817) 509-2300 info@pottorff.com
blue background, a set of control and backdraft dampers standing out
white paper

Model VFD-10D-IMB

1-1/2 Hour - Dynamic Rated - Fire Damper
Integral Mounting Angle - Curtain Style Blade

The VFD-10D-IMB fire damper employs out of the air stream cutain style blades and a factory installed integral mounting angle for point-of-origin control of fire in static and dynamic HVAC systems. The inegral 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-10D-IMB is qualified to 4,000 ft/min (20.3 m/s) and 4 in.wg. (1.o kPa) and may be installed in vertical walls or partitions with fire resistance ratings up to 2 hours.

VFD-10D-IMB Integral Mounting Angle - Curtain Style Blade

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 inegral single side mounting angle.

Blades: 24 ga. (0.7) galvanized steel - curtain style.

Fire Closure Device: UL Listed fusible link.

Fire Closure Temperature: 165oF (75oC)

Minimum Size: 6" x 4" (152 x 102)

Maximum Size: Single Section: Vertical: 36" x 44" (914 x 1118)      

Ratings

UL 555 Fire Resistance Rating: 1-1/2 hour (vertical)

Maximum Dynamic Closure Velocity: 4,000 fpm (20.4 m/s)

Maximum UL 555S Rated Pressure: 4 in. wg. (1.0kPa)

Click to view or check box to add to cart