Dosing Curves; Dmi - Grundfos DMI 208 Installation And Operating Instructions Manual

11. Dosing curves

The dosing curves apply to:
• water as dosing medium
• suction line with foot valve, suction lift of 0.5 m
WC
• zero point of the dosing pump at a counter
pressure of 3 bar.
Abbreviation Description
Q Dosing flow
h Stroke length
Q [l/h]
0.5
DMI 0.3-10 (50 Hz)
DMI 0,3 – 10 (50Hz)
0.4
3 bar
3 bar
6 bar
6 bar
0.3
10 bar
10 bar
0.2
0.1
0
0 10 20 30 40
Fig. 49 DMI 3.0-10 (50 Hz)
Q [l/h]
0.6
DMI 0.3-10 (60 Hz)
DMI 0,3 – 10 (60 Hz)
0.5
3 bar
3 bar
0.4
6 bar
6 bar
10 bar
10 bar
0.3
0.2
0.1
0
0 10 20 30 40
Fig. 50 DMI 3.0-10 (60 Hz)
40
50 60 70 80 90 100
h [%]
50 60 70 80 90 100
h [%]
Q [l/h]
2

DMI 0.8-16

DMI 0,8 - 16
(50 Hz)
(50 Hz)
DMI 1.0-10
DMI 1,0 - 10
1.6
3 bar
3 bar
10 bar 10 bar
1.2
16 bar
16 bar
DMI 0.8-16
(DMI 0,8 - 16)
0.8
0.4
0
0 10 20 30 40
Fig. 51 DMI 0.8-16 / DMI 1.0-10 (50 Hz)
Q [l/h]
2.2
DMI 0.8-16
2
DMI 0,8 - 16
(60 Hz) (60 Hz)
DMI 1.0-10
1.8 DMI 1,0 - 10
1.6
3 bar
3 bar
1.4
10 bar
10 bar
1.2
16 bar
16 bar
DMI 0.8-16
(DMI 0,8 - 16)
1
0.8
0.6
0.4
0.2
0
0 10 20 30 40
Fig. 52 DMI 0.8-16 / DMI 1.0-10 (60 Hz)
Q [l/h]
2.4
DMI 1.1-16
DMI 1,1 - 16
(50 Hz)
(50 Hz)
2 DMI 1.6-10
DMI 1,6 - 10
3 bar
3 bar
1.6
10 bar
10 bar
16 bar
16 bar
1,2
DMI 1.1-16
(DMI 1,1 - 16)
0.8
0.4
0
0 10 20 30 40
Fig. 53 DMI 1.1-16 / DMI 1.6-10 (50 Hz)
70 80 90 100
50 60
h [%]
50 60 70 80 90 100
h [%]
50 60 70 80 90 100
h [%]