Model SD-182V

Smoke Damper
Vertical Airfoil Blade

The SD-182V smoke damper employs vertical blades for point-of-origin control of smoke in static and dynamic smoke management systems. The SD-182V 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.

Standard Construction

Frame: 5" x 1" (127 x 25) galvanized 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) 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. View Actuators. 
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 9148)

Ratings

UL 555S Leakage Class: 2 
Maximum Temperature: 350^oF (177^oC)

UL 555S Listing: R14981
CSFM Listing: 3230-1404:107
New York City MEA Listing: 295-98-E
Meets NFPA Standards: 90A, 92A, 92B and 101
Meets Building Code Standards: IBC, NBC, NFPA, SBC and UBC