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
Velocity: Up to 3000 fpm
Temperature: Up to 250°F

Rectangular Smoke Dampers

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Damper Selection Guide

Which damper best fits the application? Greenheck’s damper interactive selection guide removes the guesswork. Find blade type, velocity, pressure, AMCA listings, submittals, drawings and more, all in one easy-to-use format.

Certifications:

AMCA Air Performance

UL 555S (Listing # R13317)

Purchase Options:

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Codes:

International Building Code (IBC)

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

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