15
E
N
G
L
I
S
H
Cooling Water Requirements
38
°
F P.D.P 50
°
F P.D.P
Max. Refrig. Cooling Cooling Max. Refrig. Cooling Cooling
Capacity Water Flow Water Capacity Water Flow Water
Nominal Water Valve (BTU/HR) Rate @ 85
°
F Pressure (BTU/HR) Rate @ 85
°
F Pressure Drop
Horsepower Size (GPM) Drop (PSID) (GPM) (PSID)
7.5 1" 78,800 14.6 6.0 96,660 17.2 9.2
10 1" 117,600 21.0 10.3 143,400 25.6 16.7
15 1 1/4" 155,600 23.5 9.3 195,200 34.8 15.1
20 1 1/4" 166,160 30.8 9.8 206,880 36.9 18.6
25 1 1/2" 213,440 39.5 11.4 278,620 49.7 20.0
30 1 1/2" 247,340 45.8 16.6 306,680 54.7 26.0
35 2 1/2" 315,820 58.4 11.9 395,460 70.5 15.2
40 2 1/2" 385,600 71.3 12.2 468,420 83.5 17.7
50 2 1/2" 426,880 79.0 13.9 557,240 99.4 22.3
60 3" 494,680 91.5 2.6 613,360 109.4 2.9
70 3" 631,640 116.9 3.8 790,920 141.0 6.2
80 3" 747,320 130.3 3.1 929,800 185.3 3.4
100 4" 937,800 173.6 < 5* 1,150,400 213 < 5 *
- Table valid for Copeland units only. * No other data available.
- Cooling water @85
°
F - for other conditions consult manufacturer.
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