CURVE DI PRESSIONE COSTANTE
CURVE DI PRESSIONE PROPORZIONALE
VELOCITÀ COSTANTE I II II
I
H
[m]
8
7
6
5
4
3
2
1
0
H
[m]
12
10
8
6
4
2
0
H
[m]
7
6
5
4
3
2
1
H
0
[m]
10
8
6
4
2
0
H
[m]
12
10
8
6
4
2
0
H
[m]
4
3
2
1
0
I
II
I
I
I
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5
Q [m³/h]
II
I
I
I
I
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5 8.0 8.5 9.0 Q [m³/h
]
2 x II
I
III
I
II
0
1
2
3
4
5
6
7
8
9
10
11
12
13
Q [m³/h]
2 x III
II
I
I
0
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15Q [m³/h
]
I
I
2 x III
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Q [m³/h]
2 x II
I
III
I
I
I
II
I
II
I
0
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15
Q [m³/h
]
H
[m
]
1
0
8
6
4
2
0
H
[m]
2 x III : Velocità costante delle versioni doppie che funzionano in cascat
a
II
I
II
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5 8.0 8.5 Q [m³/h
]
2 x III
I
4
3
2
1
0
H
III
I
0
1
2
3
4
5
6
7
8
9
10
Q [m³/h]
[m]
II
1
0
8
6
4
2
0
H
[m]
1
2
1
0
8
6
4
2
0
II
I
I
II
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14 Q [m³/h]
2 x III
II
I
I
I
I
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5 8.0 8.5 9.0 Q [m³/h]
H
[m]
6
5
4
3
2 x III
2
III
1
II
I
0
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 Q [m³/h]
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