Glanded Pumps - THERMO-ECO-ENGINEERING úvod

Energy-saving pumps
Twin-head pumps In-line
Wilo-VeroTwin-DP-E characteristic pump curves
Wilo-VeroTwin-DP-E 65 / 140-4 / 2
p-c (constant) individual operation p-v (variable) individual operation
H [m]
P1 [W]
25
20
15
10
0
1
2
3
v
4 5 6 7
5
0
0 10 20 30 40 50 60 70 80
5
4
3
2
1
0
90[m³/
h]
0
5
10 15 20 25 [l/s]
0
6000
50 100 150 200
Q
250 300 [lgpm]
5000
4000
3000
2000
1000
18 m
15 m
12 m
10 m
7 m
4 m
[m/s]
Wilo-VeroTwin-DP-E
65/140-4/2
0
0 10 20 30 40 50 60 70 80 90[m³/
h]
p-c
max.
max.
NPSH [m]
5
0
0 10 20 30 40 50 60 70 80
5
4
3
2
1
0
90[m³/
h]
0
5
10 15 20 25 [l/s]
0
6000
50 100 150 200
Q
250 300 [lgpm]
p-c (constant) parallel operation p-v (variable) parallel operation
H [m]
P1 [W]
25
20
15
10
5
10000
8000
6000
4000
2000
0
0
0
0
0
0
0
1
2
3
4 5
v
6 7 8 9 10
[m/s]
Wilo-VeroTwin-DP-E
65/140-4/2
+
max.
NPSH [m]
20 40 60 80 100
0
120 [m³/ h]
5 10 15 20 25 30 35 [l/s]
100 200
Q
300 400 [lgpm]
20
18 m
15 m
12 m
10 m
7 m
4 m
p-c
max.
40 60 80 100 120 [m³/ h]
6
4
2
54 Subject to change without prior notice 09/2006 WILO AG
H [m]
P1 [W]
H [m]
P1 [W]
25
20
15
10
5000
4000
3000
0
2000
1000
1
2
3
18 m
v
4 5 6 7
16 m
14 m
12 m
10 m
[m/s]
Wilo-VeroTwin-DP-E
65/140-4/2
0
0 10 20 30 40 50 60 70 80 90[m³/
h]
25
20
15
10
5
10000
8000
6000
4000
2000
0
0
0
0
0
0
0
1
2
3
p-v
8 m
max.
max.
4 5
v
6 7 8 9 10
NPSH [m]
[m/s]
Wilo-VeroTwin-DP-E
65/140-4/2
+
max.
NPSH [m]
20 40 60 80 100
0
120 [m³/ h]
5 10 15 20 25 30 35 [l/s]
100 200
Q
300 400 [lgpm]
20
18 m
16 m
14 m
12 m
10 m
8 m
p-v
max.
40 60 80 100 120 [m³/ h]
6
4
2