Model FSD-151-SS

1-1/2 Hour - Combination Fire Smoke Damper - Stainless Steel
Airfoil Blade

The FSD-151-SS combination fire smoke damper employs 304 stainless steel airfoil blades for point-of-origin control of fire and smoke in static and dynamic smoke management systems. The FSD-151-SS is qualified to 2,000 ft/min (10.16 m/s) and 4 in.wg. (1.0 kPa) and may be installed in vertical walls or partitions, with fire resistance ratings up to 2 hours.

Standard Construction

Frame: 5" x 1" (127 x 25) stainless steel hat channel with inerlocking 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 14 ga. (152 x 2.0) equivalent stainless steel - airfoil.

Sleeve: 16" x 20 gauge (406 x 1.0) stainless steel.

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

Linkage: Concealed in frame.

Bearings: Stainless steel oilite, sleeve-type.

Seals: Silicone blade edge seals  integrally rolled and mechanically fastened to blades. Flexible metal jamb seals.

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

Fire Closure Device:
HS-10 (electric actuators)
PFV (pneumatic actuators)    

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

Minimum Size: 8" x 6" (203 x 152)

Maximum Size:
Single section: 24" x 36" (610 x 914)

Multiple Section:
Vertical: 96" x 72" (2439 x 1829)

Ratings

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

UL 555S Leakage Class: 1 

Maximum Temperature: 350^oF (177^oC)