Grundfos DMH 25 Series, Installation And Operating Instructions Manual

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English (GB)
36
12. Dosing curves
The dosing curves on the following pages are trend curves.
They apply to:
• performance of single pump (the flow rate is doubled for the
double pump)
• water as dosing medium
• zero point of pump Q
0
for specified pressure, see table below
• standard pump version.
DMH 251
Fig. 44 DMH 5-10 (50 Hz), Q
0
= 3 bar
Fig. 45 DMH 5-10 (60 Hz), Q
0
= 3 bar
Fig. 46 DMH 13-10 (50 Hz), Q
0
= 3 bar
Fig. 47 DMH 13-10 (60 Hz), Q
0
= 3 bar
Fig. 48 DMH 19-10 (50 Hz), Q
0
= 3 bar
Fig. 49 DMH 19-10 (60 Hz), Q
0
= 3 bar
Fig. 50 DMH 24-10 (50 Hz), Q
0
= 3 bar
Abbreviation Description
Q Dosing flow
Q
0
Zero point of the pump
h Stroke length
TM
03
64
77
45
06
TM
03
64
78
45
06
TM0
3
647
9 450
6
0
2
4
6
8
10
0 10 20 30 40 50 60 70 80 90 100
h [%]
Q [l/h]
3bar
10bar
3 bar
10 bar
0
2
4
6
8
10
0 10 20 30 40 50 60 70 80 90 100
h [%]
Q [l/h]
3bar
10bar
3 bar
10 bar
0
2
4
6
8
10
12
14
16
18
0 10 20 30 40 50 60 70 80 90 100
h [%]
Q [l/h]
3bar
10bar
3 bar
10 bar
T
M
03
64
8
0
45
0
6
TM
03
6
481
45
06
TM
0
3
6
482
4
506
TM
0
3
6
483
4
506
0
2
4
6
8
10
12
14
16
18
0 10 20 30 40 50 60 70 80 90 100
h [%]
Q [l/h]
10bar
3bar
3 bar
10 bar
0
4
8
12
16
20
24
28
0 10 20 30 40 50 60 70 80 90 100
h [%]
Q [l/h]
3bar
10bar
3 bar
10 bar
0
4
8
12
16
20
24
28
0 10 20 30 40 50 60 70 80 90 100
h [%]
Q [l/h]
3bar
10bar
3 bar
10 bar
0
4
8
12
16
20
24
28
32
36
0 10 20 30 40 50 60 70 80 90 100
h [%]
Q [l/h]
3bar
10bar
3 bar
10 bar