80
80
70
70
60
60
50
50
40
40
30
30
20
20
10
10
0
0
0
200 400 600 800 1000 1200 1400 1600 1800 2000
Portata (l/h)
1
4
2
5
6
3
P
r
e
v
a
l
e
n
z
a
(
k
P
a
)
P
o
t
e
n
z
a
a
s
s
o
r
b
i
t
a
c
i
r
c
o
l
a
t
o
r
e
(
W
)
80
80
70
70
60
60
50
50
40
40
30
30
20
20
10
10
0
0
0
200 400 600 800 1000 1200 1400 1600 1800 2000
Portata (l/h)
1
4
2
5
6
3
P
r
e
v
a
l
e
n
z
a
(
k
P
a
)
P
o
t
e
n
z
a
a
s
s
o
r
b
i
t
a
c
i
r
c
o
l
a
t
o
r
e
(
W
)
100
100
90
90
80
80
70
70
60
60
50
50
40
40
30
30
20
20
10
10
0
0
0
400
800
1200
1600
2000
2400
2800
Portata (l/h)
max
max
A
B
min
min
P
r
e
v
a
l
e
n
z
a
(
k
P
a
)
P
o
t
e
n
z
a
a
s
s
o
r
b
i
t
a
c
i
r
c
o
l
a
t
o
r
e
(
W
)
100
100
90
90
80
80
70
70
60
60
50
50
40
40
30
30
20
20
10
10
0
0
0
400
800
1200
1600
2000
2400
2800
Portata (l/h)
max
max
A
B
min
min
P
r
e
v
a
l
e
n
z
a
(
k
P
a
)
P
o
t
e
n
z
a
a
s
s
o
r
b
i
t
a
c
i
r
c
o
l
a
t
o
r
e
(
W
)