AERMEC NSB Serie Manual Tecnico página 24

9. 1 PRESSURE DROP
EVAPORATORS AND
MINIMUM SYSTEM WATER
The following graphs show the values
9. 1 . 1 pressure drops chiller mode
kPa
150
125
100
75
50
25
0
10 20
kPa
150
125
100
75
50
25
0
20 40
150
kPa
125
100
75
50
25
0
0 50
22
PRESSURE DROP EVAPORATORS
9
of the pressure drops in kPa in function
of the flow rate in m 3 /h.
The field of operation is delimited by
the minimum and maximum of the
curves, showing the limit of water side
1251
30 40 50 60 70
water flow [m3/h]
1802
2002 2202
1602
2352
2802
2502
2652
1402
60 80 100 120 140
water flow [m3/h]
5203 5403
5003
100 150 200 250 300
water flow [m3/h]
1801
1601
1401
80 90 100 110 120
3002
4202
3202
3402
3902
3602
160 180 200 220 240
5703
6003
6303
6603
6903
7203
350 400
heat exchanger use (evaporators).
2401
2101
130 140
4802
4502
260 180