70
60
50
40
30
1.2
1.1
8
6
4
0 U.S. g.p.m.
5
10
15
20
60
220
200
50
180
160
140
120
100
20
0 U.S. g.p.m.
10
20
28
0
Qm
3
/h
1
0
l/min
0
l/s
0.2
2
3
50
0.8
4
40
30
1.2
1.1
0
Qm
3
/
h
1
2
3
4
5
6
180
160
140
120
100
80
1.6
1.5
1.4
25
20
15
10
20
30
40
0.6
60
1
70
1.2
0
l/min
20
40
60
1
80
1.4
100
1.6
0.4
0
l/s
0.2
0.4
0.6
0.8
1.2
1.6
1.5
1.0
2
5
8
2
0
6
1
5
4
10
2
5
2
5
0
0
0
0
40
30
20
30
0
Qm
3
/h
1
2
3
0 U.S. g.p.m.
10
20
4
72.168
40
0
Qm
3
/h 1
2
3
4
5
6
72.169
10
0
Qm
3
/
h
2
4
6
8
10
0
l/min
50
100
150
0
l/
s
0.5
1
1.5
2
2.5
1.2
1.1
1.0
0.9
8
6
4
2
0
0
0
Qm
3
/h
2
4
6
8
72.170
10
120
100
80
60
40
1.6
1.5
1.4
1.3
25
20
15
10
5
230
Curve caratteristiche n ≈ 2900 1/min
NG 5/18
Ø 143
NG 5/16
Ø 143
NG 5/22
Ø 134
N
P
S
H
m
P
k
W
H
m
N
P
S
H
m
P
k
W
H
m
N
P
S
H
f
t
P
H
P
H
f
t
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