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The graph below illustrates the useful head values (kPa) depending on the flow rate in (liters/second). The operating range is
delimited by the minimum and maximum values given in the next table.
Useful head is the one at the outlet of the standard pumping module minus all the loss of head values of the unit.
350
300
250
200
150
100
50
0
4,0
6,0
Limits to operation
Model
Graph reference
Upper limit value
24
WORKING HEAD
3
1
2
8,0
10,0
12,0
Water flow rate (l/s)
150
165
1
2
Q
11.3
11.6
6
7
4
5
14,0
16,0
180
205
230
260
3
4
5
11.6
15.8
16.5
17.0
18,0
20,0
22,0
285
315
UM
6
7
22.7
23.1
l\s
24,0
NOTES
Q=Water flow rate
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