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Part Number 84527103380, 4-Pass Model Oil Coolers, BNZ Series

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    The BNZ Series of water - oil coolers provide an efficient way to cool hydraulic fluid utilizing shell and tube technology. The design consists of an outer housing shell and a tube / fin bundle known as a “stack”, which fits inside the shell. Hydraulic fluid to be cooled is circulated through the housing shell and passes across the cooling fins which transfers the heat to the cooling tubes in the stack. Cooling fluid, being typically water or water-glycol, flows through the cooling tubes running through the stack to carry the absorbed heat away. This rugged design offers high heat removal in a compact package. A large variety of cooling capacity sizes, port options and material choices are available to tailor the optimum cooler to meet specific application needs. For more application information, refer to the “Application Guidelines” section.





Specifications  · Dimensional Data  · Performance Data  · BNZ Cooler Stacks  · Optional Materials  · Port Options  · Features  · Notes

Specifications

Description 
BNZ-125-310-4-S-OIL COOLER

Series
BNZ 125-310

Model
4-Pass

Type
Temperature Control Unit

Max. Operating Pressure - Shell Side
580.00 psi
40.00 bar

Style
Shell & Tube Technology

Application
To cool hydraulic fluid utilizing shell and tube technology

Oil Port
SAE O-Ring

Weight
42.92 lb

Surface Area
39.60 ft²
3.68 m²

UPC Number
3380

Tube Material
Copper

Shell, Guide Plate, Brackets & Bypass Valve Material
Steel

End Cover Material
Cast Iron GG25

Fin Material
Aluminum

Tube Sheet Material
Steel

Gasket Material
Flat Gaskets C4400

End Cap Material
Cast Iron (Stainless Steel Optional)

Port Housing Material
Cast Iron

Mounting Bracket Material
Steel (May Be Rotated in 90 Degree Increments)

Shell Tube Material
Welded Steel

Gasket Size
C440 (Compatible with Fluids)

Drain Plug Material
Steel


Dimensional Data

Oil Port Size
1-7/8-12 SAE O-Ring (-24)

Drain Plug (S)
G 1/4

Test Port (T)
G 1/4

Dimension A1
12.200 in
310.00 mm

Dimension B
4.310 in
109.50 mm

Dimension C
4.000 in
101.50 mm

Dimension D
6.180 in
157.00 mm

Dimension E
14.760 in
375.00 mm

Dimension F
17.170 in
436.00 mm

Dimension G
3.010 in
76.50 mm

Dimension H
0.830 in
21.00 mm

Dimension I
4.020 in
102.00 mm

Dimension J
0.430 in
11.00 mm

Dimension K
6.500 in
165.00 mm

Dimension L
4.060 in
103.00 mm

Dimension M
6.500 in
165.00 mm

Dimension N
7.640 in
194.00 mm

Dimension O
4.020 in
102.00 mm

Dimension P
3.620 in
92.00 mm

Dimension R
2.200 in
56.00 mm

Dimension S
2.440 in
62.00 mm

Dimension T
1.380 in
35.00 mm

Dimension U
5.040 in
128.00 mm

Cubic inches
852.66220 in³


Performance Data

Max. Operating Pressure - Tube Side
230.00 psi

Temperature
200.00 ºF
95.00 ºC

Max. Flow Rate
87.00 gal/min
330.00 L/min


BNZ Cooler Stacks
  • Tubes with aluminum fins provide extended cooler surface for additional cooler capacity in a compact package
  • Aluminum fins are mechanically bonded to the tubes using a ube expansion process proprietary to Lovejoy
  • Baffle plates are added to provide flow restriction for routing hot oil for the proper number of cooling passes
  • Copper tubes are standard
    • Copper Nickel or Stainless Steel tubes optional


Optional Materials
  • Tubes: Copper Nickel / Stainless Steel 1.4404 (AISI316L)
  • End Cover: Stainless Steel 1.4408 (AISI316)
  • Fins: Copper / Stainless Steel 1.4304 (AISI304)
  • Tube Sheet: Stainless Steel


Port Options
  • SAE
  • NPT
  • BSPP


Features

Features 
  • Compact size – "Shell and Tube Design"
  • Extended cooling surface
  • Low pressure drop – high efficiency
  • Heat removal up to 600 hp (500 kW)
  • Oil flow rates up to 225 GPM (850 l/min)
  • Removable end caps for easy cleaning
  • Close-tolerance port face locations
  • Interchangeable with Thermal Transfer EK series
  • 100% pressure tested, leak-free performance
  • Design flexibility
    • Three frame sizes to choose (BNZ 60, 80 and 125)
    • Customized lengths available
    • NPT, SAE, BSPP and flange port options
    • Mounting may be rotated in 90 degree increments
    • Optional materials for increased corrosion protection


Notes

Notes 
  • Production tolerances for above dimensions above may vary by up to +/- .079 in (2mm).
  • BSPP Oil Ports only available with BSPP Coolant Ports
  • O-Ring, NPT and Flange Oil Ports only available with NPT Coolant Ports
  • Above models are with standard copper tubes, aluminum fins, standard black paint, and individually boxed


 MORE IMAGES 

·  4-Pass Model Oil Coolers, BNZ Series - Metric More Dimensions


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BNZ Cooler Catalog
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