Appendix: Dosing Curves For Dmx Model 227 - Grundfos DMX Series Installation And Operating Instructions Manual

Diaphragm dosing pump, model 227
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DMX model 227
A .

Appendix: Dosing Curves for DMX model 227

100
0
Q [l/h]
80
0
60
0
40
0
20
0
0
1
0
0
2.000
Q [l/h]
1.500
1.000
500
0
0
10
V3.0
The dosing curves shown here are trend curves
They refer to:
Performance of single pump
(the flow rate is doubled for the double pump)
Water as the dosing medium
Zero point of the dosing pump at a counterpressure of 3 bar
Standard version of pump
Q = flow rate
f = drive frequency
DMX 430-5
2
3
4
0
0
0
DMX 770-3
20
30
40
50
p = 5bar
p = 2bar
5
6
7
8
0
0
0
0
p = 3bar
60
70
80
90
f [Hz]
9
10
0
0
f [Hz]
100
33

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