On-Line Catalog : Smoke Dampers > Airfoil Blade > SD-152
Model SD-152 UL class 2 — smoke damper
The SD-152 smoke damper employs airfoil blades for point-of-origin control of smoke in static and dynamic smoke management systems. The SD-152 is qualified to 4,000 ft/min (15.3 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.