Model VFD-10D-C

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

The VFD-10D-C fire damper employs out of the airstream frame and curtain style blades for point-of-origin control of fire in static and dynamic HVAC systems. The VFD-10D-C is qualified to 4,000 ft/min (20.3 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.

Standard Construction

Frame: 22 ga. (0.85) galvanized steel.

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

Fire Closure Device: Fusible link.

Fire Closure Temperature: 165^oF (75^oC)

Minimum Size: 4" x 3" (102 x 76)

Maximum Size:
Single Section: Vertical: 34" x 43" (864 x 1092)
Horizontal: 34" x 32" (864 x 813)
Multiple Section: Vertical: 118" x 68" (2997 x 1727) or 70" x 116" (1778 x 2976)
Horizontal: 34" x 33" (864 x 838) or 70" x 15" (1778 x 381)

Stainless Steel: Single Section: Vertical: 34" x 32" (864 x 813)

Ratings

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

UL HNLJ.V-5: Ventilation Duct Assemblies

Maximum Dynamic Closure Velocity:
4000 fpm (20.3 m/s)
2000 fpm (10.2 m/s)

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

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Model VFD-10D-C

Standard Construction

Ratings

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