![](https://beteccad.com/wp-content/uploads/2021/04/Motorized-Control-Damper.png)
MCD B 20 Series – AMCA
Low leakage control damper, 3v single skin blade, class I leakage, 6 in. wg, 2000 fpm
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![](https://beteccad.com/wp-content/uploads/2021/04/MCD-GB-21A-450x450.jpg)
MCD B 20 Series – AMCA
Low leakage control dampers, Aerofoil blade, class I leakage, 6 in. wg, 2000 fpm
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![](https://beteccad.com/wp-content/uploads/2021/04/Motorized-Control-Damper.png)
MCD B 40 Series
Heavy Duty Motorized Control Damper - 3V single skin blade, class II leakage
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![](https://beteccad.com/wp-content/uploads/2021/04/Motorized-Control-Damper.png)
MCD B 40 Series
Heavy Duty Motorized Control Damper - Aerofoil blade, class II leakage
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