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16. Variable Pitch Axial Fans: Dynamic Control for Changing Airflow Demands
The development of the Variable Pitch (VP) Axial Fan represents a significant leap in air movement technology, allowing fans to dynamically and precisely control airflow in response to changing system demands[4]. Unlike fixed-pitch fans, where the blade angle is set during manufacturing, VP fans incorporate a sophisticated hub mechanism that allows the angle of the fan blades to be mechanically adjusted while the fan is running[4].
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