GM-30 : Backdraft Damper, Vertical Mount
GM-30 : Backdraft Damper, Vertical Mount
The GM-30 backdraft damper is engineered for horizontal airflow applications, providing reliable protection against reverse airflow in HVAC systems. Its flangeless design simplifies installation, while adjustable counterbalance weights allow fine-tuning for opening pressure to minimize system pressure loss. When airflow stops, the blades close by gravity.
Product Highlights
| Airflow Direction |
Horizontal
|
|---|---|
| Blade Material |
Aluminum
|
| Frame Material |
Galvanized Steel
|
| Maximum Pressure Rating (in. wg.) |
10
|
| Maximum Velocity (fpm) |
3,500
|
| Mounting Orientation |
Vertical
|
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