Brochure

H
[m]
η
[%]
50
40
70
Efficiency
Head
60
50
40
20
10
2
12
4
6
8
10
0
30
30
20
10
0
10
0 0
2
4
6
8
0 10 20 30 40 50 60 70
Q [m
3
/h]
P
2
[kW]
NPSH
(m)
Power
NPSH
Chapter 2
Performance
curves
2.1 Standard curves
2.2 Pressure
2.3 Absolute and relative pressure
2.4 Head
2.5 Dierential pressure across the
pump - description of dierential
pressure
2.6 Energy equation for an ideal
flow
2.7 Power
2.8 Hydraulic power
2.9 Eciency
2.10 NPSH,
Net Positive Suction Head
2.11 Axial thrust
2.12 Radial thrust
2.13 Summary