60
50
40
30
20
0.7
0.6
0.5
0.4
8
6
4
2
0 U.S. g.p.m.
4
6
8
10
12
14
45
40
35
30
25
20
0.7
0.6
0.5
5
0 U.S. g.p.m. 4
6
8
10
12
14
16
18
0
Qm
3
/h 0.5
0
l/min
10
1
0.3
1.5
0.4
2
2.5
40
0.7
3
50
180
160
140
120
100
80
0.9
0.8
0.7
0.6
25
20
15
10
5
0
Qm
3
/h
1
0
l/min10
2
3
50
4
1
140
130
120
110
100
90
80
70
70
0.9
0.8
0.7
20
0
l/s
0.2
0.6
0.8
0
l/s
0.2
0.4
0.6
0.8
20
30
0.5
20
30
40
60
10
0
0
0
0
0
Qm
3
/
h
0.5
1
1.5
2
2.5
72.16
3
3
0
Qm
3
/h
1
2
3
72.164
4
229
Curve caratteristiche n ≈ 2900 1/min
NG 4
Ø 130
NG 3
Ø 130
N
P
S
H
m
P
k
W
H
m
N
P
S
H
f
t
N
P
S
H
m
P
H
P
P
k
W
H
f
t
H
m
N
P
S
H
f
t
P
H
P
H
f
t