Opposed Blade Damper
If an application is modulated then opposed blade dampers are better suited. This is due to the ability to control a broader volume range.
The opposed blade damper arms can swing open 25% to 100%. Furthermore, the opposed damper’s arm swing has better control and more relative damper effect than similar dampers such as parallel.
The opposed blade damper arms can swing open 25% to 100%.
Parallel Blade Dampers
Parallel blade dampers air flow rate is more rapid than opposed blade dampers when opened. This makes them an idea choice when controlling 75% to 100% airflow.
The blades in a parallel configuration allow the damper to be more sensitive to arm swings. Thus, small position movements supply a considerable change.
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