IM 1167
109
Pressure Drop Data
Figure 45: Evaporator Pressure Drop: AWS models 200/225 Standard Efficiency and 230/250 High Efficiency
AWS-B Evapor ator Pr essur e Dr op Cur ves
Evapor ator EV40271212/ 7 N2
200 Standar d
225 Standar d
230 High
250 High
0
10
20
30
40
50
0
200
400
600
800
1000
1200
Flow Rate (gpm)
PD
(ft)
gpm
ft.
l/s
kpa
gpm
ft.
l/s
kpa
gpm
ft.
l/s
kpa
200 Standard
60
260.1
4.2
16.4
12.6
468.2
12.0
29.5
35.9
748.0
27.5
47.2
82.2
225 Standard
60
288.4
5.1
18.2
15.2
519.1
14.4
32.8
43.0
748.0
27.5
47.2
82.2
230 High
60
300.3
5.5
18.9
16.4
540.5
15.5
34.1
46.3
748.0
27.5
47.2
82.2
250 High
60
320.8
6.1
20.2
18.2
577.4
17.4
36.4
52.0
748.0
27.5
47.2
82.2
Maximum
Model
Hz
Minimum
Nominal
Figure 46: Evaporator Pressure Drop: AWS models 250/260 Standard Efficiency
AWS- B E vapor a t or P r e ssur e Dr op Cur v es
E va por at or E V 402 71 313 / 5 N2
260 St andar d
250 St andar d
0
10
20
30
40
0
200
400
600
800
1000
1200
F lo w R at e ( gpm)
P D
(f t)
gpm
ft.
l/s
kpa
gpm
ft.
l/s
kpa
gpm
ft.
l/s
kpa
250 Standard
60
314.4
4.3
19.836
12.9
565.9
12.1
35.703
36.2
943.2
30
59.507
89.7
260 Standard
60
334
4.8
21.072
14.3
601.2
13.5
37.93
40.4
1002
33.4
63.216
99.8
Model
Hz
Minimum
Nominal
Maximum