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Centrifugal pump academy: The risks of parallel operation

โœ Scribed by Stan Shiels

Publisher
Elsevier Science
Year
1997
Tongue
English
Weight
382 KB
Volume
1997
Category
Article
ISSN
0262-1762

No coin nor oath required. For personal study only.

โœฆ Synopsis

The risks of parallel operation

The successful running of centrifw gal pumps in parallel means mow itoring the flow individually, and having the facility for individual unit shutdown at a preset low flow point. In the first article of a new series, Stan Shiels explains why, and illustrates how to avoid the danger of premature or frequent pump fai~ ures in this configuration.

There are three prime areas of concern when operating centrifugal pumps in parallel:

โ€ข Hydraulic shut-off of one of the pumps.

โ€ข High flow induced cavitation in one of the pumps.

โ€ข Prolonged operation of one of the pumps at a flow below its minimum acceptable continuous flow.

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