7
6
5
4
3
2
1
0
6
5
4
3
2
1
0
0
200
400
600
800
1000
1200
1400
MAX
MIN
Portata (l/h)
MAX
MIN
0
200
400
600
800
1000
1200
1400
Portata (l/h)
55
p
r
e
v
a
l
e
n
z
a
(
m
H
2
O
)
p
r
e
v
a
l
e
n
z
a
(
m
H
2
O
)