Model VFD-30-C

3 Hour - Static Fire Damper
Curtain Style Blade

The VFD-30-C fire damper employs curtain style blades for point-of-origin control of fire in static HVAC systems. The VFD-30-C may be installed in vertical walls or partitions, or horizontally in floors or assemblies with fire resistance ratings up to 4 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:
Vertical Mount: 4" x 2" (102 x 51)
Horizontal Mount: 4" x 7" (102 x 178)

Maximum Size:
Single Section:
Vertical: 34" x 32" (864 x 813)
Horizontal: 36" x 32" (915 x 813)
Multiple Section:
Vertical: 106" x 20" (3048 x 1930) 
Horizontal: 74" x 91" (1880 x 2311)

Stainless Steel:
Single Section:
Vertical: 34" x 20" (864 x 508)
Multiple Section:
Vertical: 106" x 20" (2692 x 508) 

Ratings

UL 555 Fire Resistance Rating: 3 hour (vertical and horizontal)

UL HNLJ.V-5: Ventilation Duct Assemblies