0
1
2
3
4
5
6
7
8 US g.p.m.
280
0
1
2
3
4
5
6
Imp g.p.m.
feet
260
240
220
200
180
160
140
120
100
80
60
40
20
0
0
η = 51%
800
700
600
500
400
300
200
100
170
160
150
140
130
120
110
100
90
80
70
feet
500
400
300
200
100
H
(
m
)
4
H
(
m
)
4
25
30 l/min
0
0
0.5
1
1.5
m3/h
0
0
5
10 15 20 25 30 35 40 45 50l/min
0
5
10
15
20
0
5
180
0
5
10
η = 61%
10
US g.p.m.
Imp g.p.m.
60
50
40
30
20
10
35
230
Q = Portata H = Prevalenza manometrica totale
Tolleranza delle curve di prestazione secondo EN ISO 9906 Grado 3B.
32
Q4
Q4
0
1
2
3
m3/h