Archive for April, 2009

Trimming or replacing impellers on oversized pumps

April 20, 2009, Posted by Krisna Ditya Utama at 3:11 am

One of the best examples of wasted energy involves the traditional practice of oversizing centrifugal pumps by specifying the rated conditions and making pump selections with excessively conservative margins. As a result of this approach, pumps are forced to operate at reduced flows which are far from their best efficiency point (BEP). An unnecessarily large [...]

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