Medium Duty Backdraft Dampers |
Maximum System (see Product Sheet for details) | Airflow Direction |  |
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| Model | Frame Depth | Blade Type | Counterbalance | Pressure (in.wg.) | Velocity (fpm) | Horizontal | Upflow | Downflow | Flange Frame Option | 304 Stainless Steel Option | ||||
| BD-60 | 5" | 3-V | - | 6 | 2,500 |
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| BD-64 | 5" | 3-V | Adjustable Assist to Close | 6 | 2,500 |
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