N P S H
[ m ]
3 . 5
3 . 0
2 . 5
2 . 0
1 . 5
1 . 0
0 . 5
0 . 0
0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 2 0 2 2 2 4 2 6 2 8 3 0 3 2
Fig. C NPSH curve for AC 25
N P S H
[ m ]
7
6
5
4
3
2
1
0
0
4
Fig. D NPSH curve for AC 30
222
N P S H
N P S H
8
1 2
1 6
2 0
2 4
2 8
3 2
A C 2 5
Q [ m ³ / h ]
A C 3 0
3 6
4 0
Q [ m ³ / h ]