Fire Damper - 3 Hour - Static- Curtain Style Blade - Class C - VFD-30-C

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