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Figure 20. Evaporator water pressure drop, 35% ethylene glycol, free-cooling off —
115 to 250 tons, 2-pass without turbulators
70
115
60
130
150
50
170
180
200
40
215
230
30
250
20
10
0
0
200
Figure 21. Evaporator water pressure drop, 35% ethylene glycol, free-cooling off —
280 to 500 tons, 1-pass without turbulators
70
280
60
310
350
50
410
450
40
500
30
20
10
0
0
200
400
RTAF-SVX001K-EN
g
p
400
600
Flow (GPM)
600
800
1000
1200
Flow (GPM)
800
1000
1400
1600
1800
Installation Mechanical
1200
2000
35
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