Model SD-143 UL class 3 - smoke damper triple-V blade

Application

The SD-143 smoke damper employs triple-V blades for point-of-origin control of smoke in static and dynamic smoke management systems. The SD-143 is qualified to 2,000 ft/min 10.2 m/s) and 4 in.wg. (1.0 kPa) and may be installed in, or adjacent to vertical walls or partitions, or horizontally in, or adjacent to floors or assemblies.

Documents

Product Sheets

SD-143

CSI Specifications

SD-3V

CAD Drawings

SD-140-SERIES-DWG
SD-140-SERIES-PDF

Installation Instructions

Flange System Breakaway
Operation and Maintenance
S & Drive
SD

Accessories

2151
Auxiliary Switch Unit
D4120
PI-50 - dual position indicator switch
RCP-1
RCP-1M
SD-143

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