User Manual
EK
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79
WATER COOLED EK
Performance Curves
10:1 Oil to Water Ratio – Lowest Water Usage
Weights (lbs)
Models Net Approx. Shipping
1. EK-508-T 7 8
2. EK-708-F 15 16
3. EK-712-F 18 19
4. EK-714-F 19 20
5. EK-718-F 22 23
6. EK-724-F 26 28
7. EK-736-F 34 36
8. EK-1012-F 35 37
9. EK-1014-F 50 55
10. EK-1036-9-F 67 85
11. EK-1048-8-F 78 95
10 15 20 25 30 40 50 60 70
8
9
10
15
20
25
30
40
50
60
70
7
6
5
3
4
80
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●
●
●
●
●
●
●
●
●
●
■
■
▲
■
■
■
■
■
▲
▲
1
2
3
4
5
6
7
11
10
9
8
OIL FLOW (GPM)
HORSEPOWER REMOVED IN COOLER
OIL P
= 5 PSI
= 10 PSI
= 20 PSI
Recirculation Loop
Water Cooled Hydraulic Oil Coolers
BASIS:
n
40°F Entering temperature difference (Maintain reservoir 40°F
above the incoming water temperature)
n
Heat removal 30% of input horsepower
n
Hydraulic system flow (GPM) x 3 = Gallons; reservoir size
n
1 GPM cooler flow per HP heat to be removed
n
Turn-over reservoir 3-4 times per hour
n
Maximum flows
Minimum Minimum
System Required GPM Required GPM Heat Exchanger
Horsepower HP Heat Load Oil Flow Water Flow Model Number
3 .9 1
EK-505-T
5 1.5
2
1
7.5 2.25
10 3 3 1.5
15 4.5 4.5 2
EK-512-T
20 6 6 3
25 7.5 7.5 4
30 9 9 4.5 EK-712-T
40 12 12 6
50 15 15 7.5
60 18 18 9
EK-1012-T
75 22.5 23 12
100 30 30 15