Knowledge sharing on “All about Centrifugal Pumps” for Engineering students/young Engineers/professionals of oil & gas industry. Series -9

Know about range of efficiencies that can be obtained with centrifugal pumps

The efficiency of the pump is function of many factors e.g. specific speed, its relative size, the service for which It is intended, its material of construction, physical characteristics such as viscosity of the pumping liquid. Large centrifugal pumps have developed over 92 per cent efficiency. Small pumps handling viscous liquids, under severe mechanical conditions calling for relatively large clearances between the wear rings, may have efficiencies as low as 10 or even below 5 per cent.
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