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Model SD-182-SS
Smoke Damper
Airfoil Blade
The SD-182-SS smoke damper employs 304 stainless steel airfoil blades for point-of-origin control of smoke in static and dynamic smoke management systems. The SD-182-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.
Standard Construction
Frame: 5" x 1" (127 x 25) stainless 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 stainless steel - airfoil.
Side-Plate: 12" x 20 ga. (305 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 inegrally rolled and mechanicaly fastened to blades. Flexible metal jamb seals.
Actuator: 120 VAC, power-open, spring-close, external mount.
Minimum Size: 8" x 6" (203 x 152)
Type C: 6" × 4" (152 × 102)
Maximum Size: Single section: 24" × 36" (610 × 914)
Type C: 22" × 34" (559 × 864)
Multiple section: Vertical: 96" × 72" (2439 × 1829)
192" × 36" (4876 × 914)
Ratings
UL 555S Leakage Class: 2
Maximum Temperature: 350oF (177oC)
UL 555S Listing: R14981
CSFM Listing: 3225-1404:107
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