Grundfos ALPHA 26-99 - Performance Curves

10
English (US)
5.6 Performance curves
Fig. 5 Performance curves, ALPHA2 26-99 circulators*
* ALPHA1 26-99 circulators are externally speed-controlled by an analog 0-10 V DC signal.
TM07 2181 3018 / TM07 2182 3018
H
[ft]
50
45
35
30
25
20
15
10
40
5
0
H
[m]
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Q [US GPM]
0246810121416182022242628
Q [m³/h]
0.0 0.5 1.0 0.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0
Proportional pressure 3
Proportional pressure 2
Proportional pressure 1
Proportional pressure AUTOAdapt
H
[ft]
50
45
35
30
25
20
15
10
40
5
0
H
[m]
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Q [US GPM]
0246810121416182022242628
Q [m³/h]
0.0 0.5 1.0 0.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0
Constant pressure 3
Constant pressure 2
Constant pressure 1
Constant pressure AUTOAdapt