Fig. 5
180
H
(m)
160
KV 3/18
140
KV 3/15
120
KV 3/12
100
KV 3/10
80
60
40
20
0
5
4
3
2
1
0
0
2
90
H
(m)
80
KV 10/8
70
60
KV 10/6
50
KV 10/5
40
KV 10/4
30
20
10
0
4
3
2
1
0
0
5
KV 3
4
6
Q (m³/h)
KV 10
10
Q (m³/h)
160
H
(m)
140
KV 6/15
120
100
KV 6/11
80
KV 6/9
60
KV 6/7
40
20
0
4
3
2
1
0
8
0
2
15
77
Curve tollerance according to ISO 2548
KV 6
4
6
8
Q (m³/h)
10