Brochure

0,5
1,5
1
2,5
2
3
P
2
[kW]
H [m]
η
[%]
10
30
20
50
40
60
70
80
4
4
8
12
16
20
24
28
32
36
40
8
12
16
20
ø260 mm
ø247 mm
ø234 mm
ø221 mm
Q (m
3
/h)
69
69
Figure 4.12 shows an example of the changed head and power curves for a
pump where the impeller diameter is machined to dierent radii in order to
match dierent motor sizes at the same speed. The curves are shown based
on formula (4.26).
Figure 4.12: Examples of curves for
machined impellers at the same speed but
dierent radii.