Grundfos DMH 28X Installationsanleitung Seite 8

3.2 Pump models and pump types
The DMH 28X dosing pump is available for a variety of performance ranges in various sizes. The pump nameplate shows various data of
the pump like the type designation and the pump model. For an explanation of the nameplate see section
The pump type is the left part of the type designation and consists of the type abbreviation, the nominal dosing flow and the maximum
counterpressure. For an explanation of the type designation see section
The motor nameplate shows various electrical data.
3.3 Pump performance
3.3.1 Performance data at maximum counterpressure
Pump model Pump type
DMH 1,45-200
DMH 2,22-200
DMH 280
DMH 2,81-200
DMH 3,42-200
DMH 2-100
DMH 4,2-100
DMH 281 DMH 6,4-100
DMH 8-100
DMH 9,6-100
DMH 10-100
DMH 19-100
DMH 27-100
DMH 283
DMH 33-100
DMH 40-100
DMH 55-100
DMH 40-100
DMH 52-100
DMH 285 DMH 70-100
DMH 80-100
DMH 105-100
DMH 85-50
DMH 111-50
DMH 286
DMH 170-50
DMH 222-50
DMH 18-200
DMH 23-200
DMH 287 DMH 31-200
DMH 36-200
DMH 50-200
DMH 7,5-200
DMH 10,4-200
DMH 288 DMH 12,8-200
DMH 15,5-200
DMH 21-200
* Dosing capacity per dosing head; double the capacity for double-head pumps.
** Maximum counterpressure
The pump can be operated in the range between 10
Note
% and 100 % of the maximum dosing capacity.
8
3.1.2 Type
50 Hz
Max. stroke
Q* p max.**
rate
[l/h] [bar] [n/min]
1.45 200
2.22 200
2.81 200 120
3.42 200 144
2 100
4.2 100
6.4 100
8 100 120
9.6 100 144
10 100
19 100
27 100
33 100
40 100 112
55 100 153
40 100
52 100
70 100
80 100 112
105 100 146
85 50
111 50
170 50 112
222 50 146
18 200
23 200
31 200
36 200 112
50 200 146
7.5 200
10.4 200
12.8 200
15.5 200 112
21 200 153
3.1.1 Nameplate.
key.
60 Hz
Q* p max.**
[l/h] [bar]
63 1.74 200
96 2.66 200
3.37 200
- -
29 2.4 100
63 5 100
96 7.7 100
9.6 100
- -
26 12 100
54 23 100
75 32 100
92 40 100
48 100
- -
56 48 100
73 63 100
98 84 100
96 100
- -
56 102 50
73 133 50
204 50
- -
56 22 200
73 28 200
98 37 200
43 200
- -
54 9.0 200
75 12.5 200
92 15.4 200
18.6 200
- -
Max. stroke
rate
[n/min]
76
115
144
-
35
75
115
144
-
31.2
65
90
110
134
-
67
88
118
134
-
67.2
87.6
134
-
63
88
118
134
-
65
90
110
134
-