600
550
500
450
400
350
300
250
200
150
100
50
0
0
100
200
600
550
500
450
400
350
300
250
200
150
100
50
0
0
100
200
20
Selecting the pump stage
Bypass valve fully opened (delivered condition)
300
400
500
600
Bypass valve closed
300
400
500
600
1
700
800
900
Pump rate [l/h]
1
700
800
900
Pump rate [l/h]
2
1000
1100
1200
1300
2
1000
1100
1200
1300
3
1400
1500
3
1400
1500
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