1-1/2 Hour - Combination Fire Smoke Damper
Installation Instructions
The FSD-181 combination fire smoke damper employs airfoil blades for point-of-origin control of fire and smoke in static and dynamic smoke management systems. The FSD-181 is qualified to 4,000 ft/min (20.3 m/s) and 8 in.wg. (2.0 kPa) and may be installed in vertical walls or partitions, or horizontally in floors or assemblies with fire resistance ratings up to 2 hours.
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 14 ga. (152 x 2.0) galvanized steel - triple-V.
Sleeve: 16" x 20 ga. (406 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 stainless steel jamb seals.
Actuator: 120 VAC, power-open, spring-close, external mount.
Fire Closure Device: HS-10 (electric actuators)
PFV (pneumatic actuators)
Fire Closure Temperature: 165oF (75oC)
Minimum Size: 8" x 6" (203 x 152)
Maximum Size: Single Section: 32" x 48" (813 x 1219)
Multiple Section: Vertical: 144" x 48" (3658 x 1219) or
128" x 96" (3251 x 2438)
Horizontal 120" x 96" (3048 x 2438)
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