Number of Pole Pairs
Shaft Seals

Pump sizing

Avoiding Cavitation
Best efficiency point of the pump
Dimensioning criterias
Duty Point
NPSH required
Operating Point of a Centrifugal Pump
Pipe diameter
Pump Selection
Suction Head With Non-Selfpriming Centrifugal Pumps
Suction operation with normal priming centrifugal pumps
System NPSHavailable

Performance curves

Calculating the System H-Q Curve
Curve Corrections for Different Fluids
Performance curve conversion for impeller trimming
Pump Performance Chart
Pump Performance Curve
Speed – Affinity Laws
System Curve

Sewage Systems

Pumped medium in wastewater technology
Rainwater drainage
Waste water drainage