Combination Ceiling Radiation/Smoke Damper - 3 Hour Ceiling/1-1/2 Hour Fire - Triple-V Blade - Class 1 - CFD-171

Standard Construction

Frame: 5" x 1" (127 x 25) galvanized steel hat channel with interlocking corner gusset. Equivalent to 13 ga. (2.4) channel frame. Low profile head and sill are used on sizes less than 13" (330) high.

Blades: 6" x 16 ga. (152 x 1.6) galvanized steel - triple-V.

Side-Plate: 14-5/16" x 20 ga. (364 x 1.0) galvanized steel.

Axles: 1/2" (13) diameter plated steel hex.

Linkage: Concealed in frame.

Bearings: Stainless steel oilite, sleeve-type.

Seals: Silicone blade edge seals and flexible metal jamb seals.

Actuator: 120 VAC, power-open, spring-close, external mount.

Fire Closure Device:
HS-10 (electric actuators)
PVF (pneuatic actuators)

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

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

Maximum Size:
Square: 12" x 12" (305 x 305)
Rectangular: 24" (610) W or 12" (305) H with a maximum area of 144 in². (929 cm²)

Ratings

UL 555C Fire Resistance Rating: 3 hour (horizontal, for use in 1, 2 or 3 hour assemblies)

UL 555 Fire Resistance Rating:
1-1/2 hour (horizontal)
1 hour (tunnel-type corridor ceiling)

UL 555S Leakage Class: 1

Maximum Temperature: 350^oF (177^oC)