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Thermal Transfer: EK Series
Heat Exchangers
Features:
 
Compact Size
High Efficiency Finned Bundle Design
Low Cost
Optional Patented Built-in
Surge-Cushion® Relief Bypass
3/16” Tube Size
Heat Removal up to 400 Horsepower
(300 kW)
Oil Flow rates up to 80 U.S. GPM (300
Liters/min.)
Large Oil Connections for Minimum
Entering and Exiting Flow Restriction
Removable End Bonnets for easy
tube cleaning
Mounting Brackets Designed so
that Cooler can be Rotated in 90°
Increments
High Pressure Ratings
Complete Line of Accessories Available
Serge-Cushion (option):
 
  The SURGE-CUSHION® is a protective device (patented) designed to internally bypass a portion of the oil flow during cold start conditions, or when sudden fl ow surges temporarily exceed the maximum flow allowed for a given cooler. This device may replace an external bypass valve, but it is not intended to
bypass the total oil flow.
Maximum Flow Rates:
 
Unit
Size		 Shell
Side
GPM		 Tube Side GPM
One
Pass		 Two
Pass		 Four
Pass
500 20 13 6 n/a
700 60 24 12 6
1000 80 56 28 14

Materials:
 
Shell Steel
Tube Sheets Steel
Baffles Steel
Mounting Brackets Steel
Gaskets Nitrile Rubber/Cellulose Fiber
Nameplate Aluminum Foil
Tubes Copper
Fins Aluminum
End Caps Grey Iron
Ratings:
 
Operating Pressure/Shell side 500 psi
Operating Pressure/Tube shell side 150 psi
Operating Temperature 250° F
One Pass Dimensions:
 
Flange Size 1-1/2 1-1/2
x 1.41 1.69
y 2.75 3.06
EKF Z 1/2 - 13 UNC-28
EKFM Z 80
Model A B C D E F G H J K L NPT BSPP M N NPT BSPP

NPT/BSP
SAE O-RING

SAE
FLANGE		 NPT SAE O-RING SAE FLANGE BSPP
EK-505 7.38 3.5
MAX
WIDTH		 2.59 N/A 1.62 2.55
DIA		 2.19 2.59 7.44
10.44		 2.5 .34
X
.62
SLOT		 N/A 1/2 #8 3/4-16
UNF-2B		 N/A 1/2 3/4
EK-508 10.38 3.90 3.85 3.26 3/4 #12
1 1/16-12
UN-2B		 3/4
EK-510

12.39

 5.85 12.44
EK-512 14.38 7.85 14.44

EK-514

 16.38 9.85 16.44
EK-518 20.38 13.85 20.44
EK-524 26.38 19.85 26.44
EK-536 38.38 31.85 38.44
EK-708 11.12 5.0
MAX
WIDTH		 5.47 5.71 2.59 3.52 DIA 3.0 4.07 10.71 3.0 .44
X
.75
SLOT		 1/4 1 1/2 #24
1 7/8-12
UN-2B		 1 1/2 1 1/2 1 1/4
EK-712 15.12 7.0 14.71
EK-714 17.12 9.0 16.71
EK-718 21.12 13.0 20.71
EK-724 27.12 19.0 26.71
EK-736 39.12 31.0 38.71
EK-1012 15.33 6.5
MAX
WIDTH		 7.64 8.28 4.00 5.05 DIA 6.18 4.57 15.45 4.0 .44
X
1.0
SLOT		 2 2 1 1/2
EK-1014 17.33 8.18 17.45
EK-1018 21.33 12.18 21.45
EK-1024 27.33 18.18 27.45
EK-1036 39.33 30.18 39.45
EK-1048 51.33 42.18 51.45
Two Pass Dimensions:
 
Flange Size 1-1/2 1-1/2
x 1.41 1.69
y 2.75 3.06
EKF Z 1/2 - 13 UNC-28
EKFM Z M-12
Model A B C D E F G H J K L NPT BSPP M N
NPT
BSPP
 P

NPT/BSP
SAE O-RING

SAE
FLANGE		 NPT SAE O-RING SAE FLANGE BSPP
EK-505 7.38 3.5
MAX
WIDTH		 3.74 N/A 1.62 2.55
DIA		 2.19 2.59 7.44
10.44		 2.5 .34
X
.62
SLOT		 N/A 1/2 #8 3/4-16
UNF-2B		 N/A 1/2 3/8 1.12
EK-508 10.38 3.90 3.85 3.26 3/4 #12
1 1/16-12
UN-2B		 3/4
EK-510

12.39

 5.85 12.44
EK-512 14.38 7.85 14.44

EK-514

 16.38 9.85 16.44
EK-518 20.38 13.85 20.44
EK-524 26.38 19.85 26.44
EK-536 38.38 31.85 38.44
EK-708 11.12 5.0
MAX
WIDTH		 5.47 5.71 2.59 3.52 DIA 3.0 3.57 10.71 3.0 .44
X
.75
SLOT		 1/4 1 1/2 #24
1 7/8-12
UN-2B		 1 1/2 1 1/2 3/4 1.62
EK-712 15.12 7.0 14.71
EK-714 17.12 9.0 16.71
EK-718 21.12 13.0 20.71
EK-724 27.12 19.0 26.71
EK-736 39.12 31.0 38.71
EK-1012 15.33 6.5
MAX
WIDTH		 7.64 8.28 4.00 5.05 DIA 6.18 4.45 15.45 4.0 .44
X
1.0
SLOT		 2 2 1.0 2.38
EK-1014 17.33 8.18 17.45
EK-1018 21.33 12.18 21.45
EK-1024 27.33 18.18 27.45
EK-1036 39.33 30.18 39.45
EK-1048 51.33 42.18 51.45
Four Pass Dimensions:
 
Flange Size 1-1/2 1-1/2
x 1.41 1.69
y 2.75 3.06
EKF Z 1/2 - 13 UNC-28
EKFM Z M-12
Model A B C D E F G H J K L NPT BSPP M N
NPT
BSPP
 P R

NPT/BSP
SAE O-RING

SAE
FLANGE		 NPT SAE O-RING SAE FLANGE BSPP
EK-708 10.37 5.0
MAX
WIDTH		 5.47 5.71 2.59 3.52 DIA 3.0 3.57 10.71 3.0 .44
X
.75
SLOT		 1/4 1 1/2 #24
1 7/8-12
UN-2B		 1 1/2 1 1/2 1/2 1.75 .70
EK-712 14.37 7.0 14.71
EK-714 16.37 9.0 16.71
EK-718 20.37 13.0 20.71
EK-724 26.37 19.0 26.71
EK-736 38.37 31.0 38.71
EK-1012 14.33 6.5
MAX
WIDTH		 7.64 8.28 4.00 5.05 DIA 6.18 4.45 15.45 4.0 .44
X
1.0
SLOT		 2 2 3/4 2.5 .89
EK-1014 16.33 8.18 17.45
EK-1018 20.33 12.18 21.45
EK-1024 26.33 18.18 27.45
EK-1036 38.33 30.18 39.45
EK-1048 50.33 42.18 51.45
One Pass Part Numbers:
 
EK-1012-O
EK-1012-O-CN
EK-1012-O-CN-W
EK-1012-O-R
EK-1014-O
EK-1014-O-CN
EK-1014-O-R
EK-1018-O
EK-1018-O-CN
EK-1018-O-R
EK-1024-O
EK-1024-O-CN
EK-1024-O-R
EK-1036-3-O
EK-1036-6-O
EK-1036-6-O-CN
EK-1036-6-O-R
EK-1036-9-O
EK-1036-9-O-CN
EK-1036-9-O-R
EK-1048-12-O
EK-1048-12-O-R
EK-1048-4-O
EK-1048-4-O-R
EK-1048-6-O
EK-1048-6-O-R
EK-1048-8-O
EK-1048-8-O-R
EK-505-O
EK-505-O-R
EK-508-O
EK-508-O-CN
EK-508-O-R
EK-508-O-R-CN
EK-510-O
EK-510-O-CN
EK-510-O-R
EK-512-O
EK-512-O-CN
EK-512-O-R
EK-512-O-R-CN
EK-514-O
EK-514-O-CN
EK-514-O-R
EK-514-O-R-CN
EK-518-O
EK-518-O-CN
EK-518-O-R
EK-518-O-R-CN
EK-524-O
EK-524-O-R
EK-536-O
EK-536-O-R
EK-708-O
EK-708-O-CN
EK-708-O-R
EK-708-O-R-CN
EK-712-O
EK-712-O-CN
EK-712-O-R
EK-714-O
EK-714-O-CN
EK-714-O-R
EK-718-O
EK-718-O-CN
EK-718-O-R
EK-718-O-R-CN
EK-724-O
EK-724-O-R
EK-736-O
EK-736-O-CN
EK-736-O-R
Two Pass Part Numbers:
 
EK-1012-T
EK-1012-T-CN
EK-1012-T-R
EK-1012-T-R-CN
EK-1014-T
EK-1014-T-CN
EK-1014-T-R
EK-1018-T
EK-1018-T-CN
EK-1018-T-CN-W
EK-1018-T-R
EK-1018-T-R-CN
EK-1024-T
EK-1024-T-CN
EK-1024-T-R
EK-1024-T-R-CN
EK-1036-6-T
EK-1036-6-T-CN
EK-1036-6-T-R
EK-1036-9-T
EK-1036-9-T-CN
EK-1036-9-T-R
EK-1048-12-T
EK-1048-4-T
EK-1048-6-T
EK-1048-6-T-CN
EK-1048-6-T-R
EK-1048-8-T
EK-1048-8-T-CN
EK-1048-8-T-R
EK-1048-9-T
EK-505-T
EK-505-T-CN
EK-505-T-R
EK-505-T-R-CN
EK-508-T
EK-508-T-CN
EK-508-T-R
EK-510-T
EK-510-T-CN
EK-510-T-R
EK-510-T-R-CN
EK-512-T
EK-512-T-CN
EK-512-T-R
EK-514-T
EK-514-T-CN
EK-514-T-R
EK-514-T-R-CN
EK-518-T
EK-518-T-CN
EK-518-T-R
EK-524-T
EK-524-T-CN
EK-524-T-R
EK-536-T
EK-536-T-R
EK-708-T
EK-708-T-CN
EK-708-T-R
EK-708-T-R-CN
EK-712-T
EK-712-T-CN
EK-712-T-R
EK-712-T-R-CN
EK-714-T
EK-714-T-R
EK-714-T-R-CN
EK-718-T
EK-718-T-CN
EK-718-T-R
EK-718-T-R-CN
EK-724-T
EK-724-T-CN
EK-724-T-R
EK-724-T-R-CN
EK-736-T
EK-736-T-CN
EK-736-T-R
EK-736-T-R-CN
 
Four Pass Part Numbers:
 
EK-1012-F
EK-1012-F-CN
EK-1012-F-R
EK-1014-F
EK-1014-F-R
EK-1014-F-R-CN
EK-1018-F
EK-1018-F-R
EK-1024-F
EK-1024-F-CN
EK-1024-F-R
EK-1036-6-F
EK-1036-6-F-CN
EK-1036-6-F-R
EK-1036-9-F
EK-1036-9-F-CN
EK-1048-12-F
EK-1048-4-F
EK-1048-4-F-R
EK-1048-6-F
EK-1048-6-F-CN
EK-1048-6-F-R
EK-1048-6-F-R-CN
EK-1048-8-F
EK-1048-8-F-R
EK-524-F
EK-708-F
EK-708-F-R
EK-708-F-R-CN
EK-712-F
EK-712-F-R
EK-712-F-R-CN
EK-714-F
EK-714-F-CN
EK-714-F-R
EK-718-F
EK-718-F-R
EK-724-F
EK-724-F-R
EK-724-F-R-CN
EK-736-F
EK-736-F-R

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