CheCalc

Chemical engineering calculations to assist process, plant operation and maintenance engineers.

Centrifugal Pump Curves

Determine pump performance for different impellor diameter and speed based on Affinity Laws.
Pump Data
rpm
mm
Flow Head Efficiency Hydraulic power BHP
m³/h m % kW kW
0.16 0.67
0.16 0.67
0.16 0.67
0.16 0.67
0.16 0.67
0.16 0.67

Pump System
Pump Circuit

m
mm
Bar A
mm
m
Bar A
mm
m
Result
rpm
mm

As per Affinity Laws, Flow and Head varies as following -


Modified Pump Curves

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