SMD-401M : Modulating Smoke Damper
SMD-401M : Modulating Smoke Damper
The SMD-401M is a Class I leakage-rated, modulating smoke damper featuring extruded aluminum airfoil blades, engineered for precise airflow control and dependable operational closure during emergency smoke control events. Its airfoil blade design supports efficient system performance with reduced pressure drop during normal operation. Designed for vertical or horizontal installation and rated for airflow and leakage in either direction, the SMD-401M delivers flexible, code-compliant smoke containment for dynamic HVAC applications.
Product Highlights
| Blade Type |
Extruded Airfoil
|
|---|---|
| Blade Material |
Aluminum
|
| Blade Orientation |
Horizontal
|
| Duct Connection |
Oval
Rectangular
|
| Leakage Class |
I
|
| Maximum Pressure Rating (in. wg.) |
4
|
| Maximum Velocity (fpm) |
2,000
|