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Pottorff > Fire - Smoke Dampers > Fire Dampers > Static 1-1/2 Hr Rated > VFD-10-A

Model VFD-10-A

1-1/2 Hour - Static Fire Damper
Curtain Style Blade

The VFD-10-A fire damper employs curtain style blades for point-of-origin control of fire in static dynamic HVAC systems. The VFD-10-A may be installed in vertical walls or partitions, or horizontally in floors or assemblies with fire resistance up to 2 hours.

Standard Construction

Frame: 22 ga. (0.85) galvanized steel.

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

Fire Closure Device: Fusible link.

Fire Closure Temperature: 165oF (75oC)

Minimum Size:
Vertical Mount: 4" x 4" (102 x 102)
Horizontal Mount: 6" x 6" (152 x 152)

Maximum Size:
Single Section: Vertical:
48" x 48" (1219 x 1219)
Horizontal: 40" x 40" (1016 x 1016)
Multiple Section: Vertical: 120" x 80" (3048 x 2032) or 80" x 120" (2032 x 3048)
Horizontal: 80" x 80" (2032 x 2032)

Stainless Steel:
Single Section: 40" x 40" (1016 x 1016)
Multiple Section: Vertical: 80" x 40" (2032 x 1016) or 40" x 80" (1016 x 2032) or 108" x 24" (2743 x 559)                     
Horizontal: 80" x 40" (2032 x 1016) or 40" x 80" (1016 x 2032)          

Ratings

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

UL HNLJ.V-5: Ventilation Duct Assemblies

 

 

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