Grundfos DMH 25 Series - Page 36

36
15. 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
TM03 6477 4506TM03 6478 4506TM03 6479 4506
0
2
4
6
8
10
0 102030405060708090100
h [%]
Q [l/h]
3bar
10bar
3 bar
10 bar
0
2
4
6
8
10
0 102030405060708090100
h [%]
Q [l/h]
3bar
10bar
3 bar
10 bar
0
2
4
6
8
10
12
14
16
18
0 102030405060708090100
h [%]
Q [l/h]
3bar
10bar
3 bar
10 bar
TM03 6480 4506TM03 6481 4506TM03 6482 4506TM03 6483 4506
0
2
4
6
8
10
12
14
16
18
0 102030405060708090100
h [%]
Q [l/h]
10bar
3bar
3 bar
10 bar
0
4
8
12
16
20
24
28
0 102030405060708090100
h [%]
Q [l/h]
3bar
10bar
3 bar
10 bar
()
0
0
4
8
12
16
20
24
28
0 102030405060708090100
h [%]
Q [l/h]
3bar
10bar
3 bar
10 bar
0
4
8
12
16
20
24
28
32
36
0 102030405060708090100
h [%]
Q [l/h]
3bar
10bar
3 bar
10 bar