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13 - NOMINAL SYSTEM WATER FLOW CONTROL
13.7 - Available external static pressure - units with hydraulic module (fixed-speed or variable-
speed pump, 50 Hz)
Data applicable for:
- Fresh water 20 °C
- In case of use of the glycol, the maximum water flow is reduced.
Warning : With the buffer tank module option, the curves below do not take the pressure drops for this component into
account. If necessary, refer to the buffer tank characteristic curves to correct the data below.
140
120
100
80
60
40
20
0,0
0,5
1,0
1,5
Water flow rate, l/s
Legend
1.
30RQS/RQSY 039
2.
30RQS/RQSY 045
3.
30RQS/RQSY 050
230
210
190
170
150
130
110
90
70
50
0
1
2
Water flow rate, l/s
Legend
1.
30RQS/RQSY 039
2.
30RQS/RQSY 045
3.
30RQS/RQSY 050
Low pressure pumps
1
2
3
4
5
2,0
2,5
3,0
3,5
4,0
4,5
4.
30RQS/RQSY 060 & 070
5.
30RQS/RQSY 078
High pressure pumps
1
2
3
4
3
4
5
4.
30RQS/RQSY 060 & 070
5.
30RQS/RQSY 078
Buffer tank pressure drop curve
220
200
180
160
140
120
100
80
60
40
20
5,0
0
1
Legend
1.
30RQS/RQSY 080 & 090
2.
30RQS/RQSY 100
3.
30RQS/RQSY 120
230
210
190
170
150
130
110
90
70
5
50
6
0
1
Legend
1.
30RQS/RQSY 080 & 090
2.
30RQS/RQSY 100
3.
30RQS/RQSY 120
Qv [m
/h]
3
1
2
2
3
4
5
6
Water flow rate, l/s
4.
30RQS/RQSY 140
5.
30RQS/RQSY 160
1
2
2
3
4
5
6
7
Water flow rate, l/s
4.
30RQS/RQSY 140
5.
30RQS/RQSY 160
3
4
5
7
8
9
10
3
4
5
8
9
10
41
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