Performance curves, 1 oil to water ratio – high water usage, Desired reservoir temperature – Thermal Transfer Systems EC Series User Manual
Page 4: Maximum flow rates
EC
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87
W
A
T
E
R C
O
O
L
E
D
EC
Performance Curves
50 60 70 80 90100
150
200 250 300
400 500
.5
.6
.7
.8
.9
1
2
3
4
5
1.5
2.5
OIL VISCOSITY CORRECTION MULTIPLIERS
OIL VISCOSITY - SSU
VISCOSITY CORRECTION
A
B
9 10
15
20
25
30
40
50
60 70 80 90 100
150
200
250
8
9
10
15
20
25
30
40
50
60
70
80
90
100
150
200
250
300
400
500
600
700
OIL FLOW (GPM)
HORSEPOWER REMOVED IN COOLER
18
16
15
14
13
12
11
10
9
8
7
6
4
3
2
1
5
19
17
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●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
■
■
■
■
■
■
■
■
■
■
■
■
■
■
■
▲
▲
▲
▲
▲
▲
▲
▲
●
■
▲
▲
▲
OIL P
= 5 PSI
= 10 PSI
= 20 PSI
1:1 Oil to Water Ratio – High Water Usage
1. EC-1014-7-0
2. EC-1014-4-0
3. EC-1024-6-0
4. EC-1024-4-0
5. EC-1036-6-0
6. EC-1054-7-0
7. EC-1224-12-0
8. EC-1224-6-0
9. EC-1236-9-0
10. EC-1236-6-0
11. EC-1254-9-0
12. EC-1272-9-0
13. EC-1724-6-0
14. EC-1736-9-0
15. EC-1754-14-0
16. EC-1754-9-0
17. EC-1772-12-0
18. EC-1772-9-0
19. EC-1784-14-0
28
28
45
45
66
105
98
98
125
125
155
210
145
201
275
275
330
330
390
32
32
50
50
70
140
105
105
145
145
180
250
175
235
305
305
380
380
450
Weights (lbs)
Model
net
Approx. Shipping
Desired Reservoir Temperature
return line Cooling: Desired temperature is the oil temperature
leaving the cooler. This will be the same temperature that will be found
in the reservoir.
Off-line recirculation Cooling loop: Desired temperature is the
temperature entering the cooler. In this case, the oil temperature change
must be determined so that the actual oil leaving temperature can be found.
Calculate the oil temperature change (Oil
#
T) with this formula:
Oil
#
T=(BTU’s/Hr.)/GPM Oil Flow x 210).
To calculate the oil leaving temperature from the cooler, use this formula:
Oil Leaving Temperature = Oil Entering Temperature - Oil
#
T.
This formula may also be used in any application where the only temperature
available is the entering oil temperature.
Oil Pressure Drop: Most systems can tolerate a pressure drop through the
heat exchanger of 20 to 30 PSI. Excessive pressure drop should be avoided.
Care should be taken to limit pressure drop to 5 PSI or less for case drain
applications where high back pressure may damage the pump shaft seals.
Shell
Tube Side GPM
Unit
Side
One
Two
Four
Size
GPM
Pass
Pass
Pass
1000
70
65
32
16
1200
120
120
60
30
1700
250
220
110
65
Maximum Flow Rates
Incorrect installation can cause premature failure.