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Pottorff > Fire - Smoke Dampers > Smoke Dampers > Airfoil Blade > SD-152

Model SD-152

Smoke Damper
Airfoil Blade

The SD-152 smoke damper employs triple-V blades for point-of-origin control of smoke in static and dynamic smoke management systems. The FSD-152 is qualified to 4,000 ft/min (20.3 m/s) and 8 in.wg. (2.0 kPa) and may be installed in, or adjacent to vertical walls or partitions, or horizontally in, or adjacent to floors or assemblies.

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 14 ga. (152 x 2.0) galvanized steel - airfoil.

Side-Plate: 12" x 20 ga. (305 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 integrally rolled and mechanically fastened to blades. Flexible metal jamb seals.

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

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

Maximum Size:
Single Section: 36" x 48" (914 x 1219)
Multiple Section: 144" x 96" (3658 x 2438) or 288" x 48" (7315 x 1219)

Ratings

UL 555S Leakage Class:

Maximum Temperature: 350oF (177oC)

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