Centrifugal Fan Selection Matters Need Attention by Xianrun Blower
5. In the centrifugal fan selection, the most important is long-term economic operation quality and efficiency, other than one-time investment.
6. In the centrifugal fan selection, be seriously compared with each other, give preference to higher efficiency, samller size, lighter weight, larger adjusting range one.
8. Pay attention to the matching relation of pipe system resistant characteristics and centrifugal fan characteristics. For stable operation, centrifugal fan needs to work around the highest efficiency point, and the working point is right of the pressure peak point in the performance curve (in larger airflow side, in general, the working pressure is 80% of pressure peak point).
Centrifugal fan design point efficiency should not be less than 90% of the highest efficiency.
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