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Flow And Pressure Considerations; Recirculation Pump Specifications - HP A0554832 User Manual

2–40 hp portable chillers
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Flow and Pressure Considerations

Model
Design flow
gpm
-A, 2 hp
4.6
17.5
-A, 3.5 hp
7.9
29.9
-A, -R, 5 hp
11.6
43.8
-A, -R, 7.5 hp
15.7
59.6
-A, -R, 10 hp
23.8
90.1
-A, -R, 15 hp
34.9
132.1
-A, -R, 20 hp
46.5
175.9
-A, -R, 25 hp
57.2
216.4
-A, -R, 30 hp
70.2
265.6
-R 35 hp
73.5
278.2
-R 40 hp
88.6
335.4
-W 2 hp
5.1
19.1
-W 3.5 hp
8.6
32.7
-W 5 hp
12.6
47.7
-W 7.5 hp
17.0
64.5
-W 10 hp
25.7
97.4
-W 15 hp
38.1
144.1
-W 20 hp
50.4
190.8
-W 25 hp
61.7
233.7
-W 30 hp
76.2
288.5
-W 35 hp
82.0
310.4
-W 40 hp
98.4
372.4
-A – Air-cooled; -W – Water-cooled; -R – Remote Air-cooled.

Recirculation Pump Specifications

HP
5
7.5
10
15
20
25
30
35
40
2-40 HP Portable Chillers
Design ∆ P
lpm
psig
kPa
4.4
30.4
4.9
33.7
2.0
13.7
2.8
19.0
5.1
35.2
6.1
41.8
7.1
49.0
8.1
55.9
10.5
72.4
5.4
37.2
8.2
56.5
5.7
39.1
6.0
41.2
2.3
16.00
3.1
21.4
6.3
43.3
7.0
48.1
8.8
60.3
9.0
62.1
10.8
74.1
5.4
37.2
8.2
56.5
Note:
Pressure is proportional to flow. Recirculation pump is required
for values exceeding those listed.
Recirc. power
hp
kW
0.75
0.373
0.75
0.373
0.75
0.595
0.75
0.595
2.0
1.492
2.0
1.492
2.0
1.492
3.0
2.238
3.0
2.238
Chapter 7: Appendix
Standard pump power
hp
kW
1
0.746
1
0.746
1
0.746
1
0.746
2
1.492
2
1.492
5
3.73
5
3.73
5
3.73
7.5
5.59
7.5
5.59
1
0.746
1
0.746
1
0.746
1
0.746
2
1.492
2
1.492
5
3.73
5
3.73
5
3.73
7.5
5.59
7.5
5.59
Flow Rate
gpm
lpm
13.0
49.2
17.0
64.3
26.0
98.4
38.0
143.8
50.0
189.2
63.0
238.4
76.0
287.6
82.0
310.4
98.0
370.9
To Process pressure
psi
kPa
bars
34.1
235.3
2.4
33.0
227.5
2.3
34.9
240.8
2.4
32.7
225.7
2.3
43.4
299.0
3.0
38.0
262.1
2.6
54.0
372.3
3.7
52.0
358.5
3.6
47.5
327.5
3.3
64.0
441.3
4.4
55.0
379.2
3.8
32.9
226.6
2.3
31.7
218.5
2.2
34.3
236.2
2.4
32.0
220.3
2.2
41.4
285.3
2.9
35.5
244.4
2.4
52.0
358.5
3.6
49.0
337.9
3.4
43.0
296.5
3.0
64.0
441.3
4.4
55.0
379.2
3.8
∆ pressure
psi
kPa
2.3
16.0
3.1
21.4
6.3
43.3
7.0
48.0
8.8
60.3
9.0
62.0
10.8
74.1
5.4
37.2
8.2
56.5
61 of 78

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