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

Model SD-152V

Smoke Damper
Vertical Airfoil Blade

The SD-152V smoke damper employs vertical blades for point-of-origin control of smoke in static and dynamic smoke management systems. The SD-152V is qualified to 4,000 ft/min (20.3 m/s) and 4 in.wg. (1.0 kPa) and may be installed in vertical walls or partitions.


SD-152V Vertical Airfoil Blade

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) equivalent 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 8" (203 x 203)

Maximum Size:
Single Section: 48" x 36" (1219 x 914)
Multiple Section: 96" x 36" (2438 x 914)


UL 555S Leakage Class:

Maximum Temperature: 350oF (177oC)

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