CS & STC Series performance
3) OIL PRESSURE DROP CODING: = 5 psi; = 10 psi; = 20 psi; = 50psi. Curves that have no pressure drop code symbols indicate that the oil pressure drop is less than 5 psi for the flow rate shown. 4) Pressure Drop is based upon oil with an average viscosity of 100 SSU. If the average oil viscosity is other than 100 SSU, then multiply the indicated Pressure Drop by the corresponding value from corrections table A.
The selection chart provided contains an array of popular sizes for quick sizing. It does not provide curves for all models available. Refer to page 44 & 45 for detailed calculation information. Computer selection data sheets for standard or special models are avail- able through the engineering department of American Industrial. To use the followings graphs correctly, refer to the instruction notes "1-5". 1) HP Curves are based upon a 40°F approach temperature; for example: oil leaving a cooler at 125°F, using 85°F cooling water (125°F – 85°F = 40°F ). 2) The oil to water ratio of 1:1 or 2:1 means that for every 1 gallon of oil circulated, a minimum of 1 or 1/2 gallon (respectively) of 85°F water must be circulated to match the curve results.
5) Corrections for approach temperature and oil viscosity are as follows:
40 Actual Approach
Removed In Cooler
Actual Heat Load
H.P.(
) = H.P.(
) x (
) x B.
HEAT ENERGY DISSIPATION RATES (Basic Stock Model)
Oil/Water Ratio
Model
400 500
1. 2. 3. 4. 5. 6. 7. 8. 9.
614 - 1.3-4-FP 614 - 3-4-FP 624 - 1.3-4-FP 624 - 3-6-FP 814 - 1.7-4-FP 814 - 4- 4-FP 824 - 1.7 -4-FP 824 - 4-4-FP 836 - 1.7-4-FP 836 - 4-4-FP 1014 - 2-6-FP 1014 - 5-6-FP 1024 - 2-6-FP 1024 - 5-6-FP 1036 - 2-6-FP 1036 - 5-6-FP 1224 - 2.5-6-FP 1224 - 6 -6-FP 1236 - 2.5-6-FP 1236 - 6-6-FP 1248 - 2.5-6-FP 1248 - 6-6-FP 1260 - 2.5-6-FP 1260 - 6-6-FP 1724 - 3.5-6-FP 1724 - 8.4-6-FP 1736 - 3.5-6-FP 1736 - 8.4-6-FP 1748 - 3.5-6-FP 1748 - 8.4-6-FP 1760 - 3.5-6-FP 1760 - 8.4-6-FP 1772 - 3.5-6-FP 1772 - 8.4-6-FP
2:1 2:1 2:1 2:1 2:1 2:1 2:1 2:1 2:1 2:1 2:1 2:1 2:1 2:1 2:1 2:1 2:1 2:1 2:1 2:1 2:1 2:1 2:1 2:1 2:1 2:1 2:1 2:1 2:1 2:1 2:1 2:1 2:1 2:1
34
32 30
300
33
10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. 29. 30. 31. 32. 33. 34.
28
200
22
26
150
20
31
25
29
40 50 60 70 80 90 100
18
27
17
23
24
21
14
13
19
8
12
15
6
30
VISCOSITY CORRECTIONS
9
10
16
11
Avg. Oil
B
SSU A
50
0.83 0.84 1.00 1.00 1.30 1.14 1.70 1.24 2.10 1.31 2.50 1.37 2.80 1.42 3.20 1.46 3.60 1.50 4.00 1.53 4.40 1.56
20
100 200 300 400 500 600 700 800 900
7
15
3
5
10
4
9
7 8
1
1000
6
2
5
3
4 5 6 7 8 9 10
15 20
40
60
80 100
200
GPM (Oil Through Cooler)
note: AIHTI reserves the right to make reasonable design changes without notice.
70
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355 American Industrial Drive LaCrosse, VA 23950
tel: 434-757-1800
fax: 434-757-1810
email: sales@aihti.com
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