SMD-401EF

The SMD-401EF is a Class I leakage rated smoke damper with extruded aluminum airfoil blades and frame for operational closure in emergency smoke control situations. The damper installs vertically or horizontally and is rated for airflow and leakage in either direction.

Pressure: Up to 6 in. wg (1.5 kPa)
Velocity: Up to 3000 fpm (15.2 m/s)
Temperature: Up to 250°F (121°C)

Codes:

National Fire Protection Association (NFPA 90A, 92, 101 and 105)

International Building Code (IBC)