WD-200 Series
The WD-200 series backdraft dampers are motorized to open when energized and the spring return closes when de-energized. Model WD-200 has no flange, model WD-210 has a flange on the motor side and model WD-220 has a flange opposite the motor. The WD-200 series is for horizontal or vertical mounting. Electric motorpacks ship separately.
- Pressure: 1 in. wg
- Velocity: Up to 2500 fpm
- Temperature: Up to 180°F
- Primary application: Prevent undesirable reverse airflow when installed with roof or sidewall supply (intake) fans.
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WD-200 Series
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