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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.
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Items
BNZ Cooler - Multiple Pass

4-Pass Model Oil Coolers, BNZ Series

BNZ Cooler - Multiple Pass

4-Pass Model Oil Coolers, BNZ Series

BNZ Cooler - Multiple Pass

4-Pass Model Oil Coolers, BNZ Series

BNZ Cooler - Multiple Pass

4-Pass Model Oil Coolers, BNZ Series
Description  N/A BNZ-80-310-4-F-OIL COOLER N/A BNZ-125-310-4-S-OIL COOLER N/A BNZ-125-463-4-N-OIL COOLER N/A BNZ-125-1225-4-F-OIL COOLER
Oil Port Size N/A SAE 1-1/2 N/A 1-7/8-12 SAE O-Ring (-24) N/A 2 NPT N/A SAE 2
Series N/A BNZ 80-310 N/A BNZ 125-310 N/A BNZ 125-463 N/A BNZ 125-1225
Model N/A 4-Pass
Type N/A Temperature Control Unit
Max. Operating Pressure - Shell Side N/A 580.00 psi40.00 bar
Max. Operating Pressure - Tube Side N/A 230.00 psi
Temperature N/A 200.00 ºF95.00 ºC
Style N/A Shell & Tube Technology
Application N/A To cool hydraulic fluid utilizing shell and tube technology
Oil Port N/A SAE Flange N/A SAE O-Ring N/A NPT N/A SAE Flange
Drain Plug (S) N/A G 1/4
Test Port (T) N/A G 1/4
Dimension A1 N/A 12.200 in310.00 mm N/A 12.200 in310.00 mm N/A 18.230 in463.00 mm N/A 48.220 in1225.00 mm
Dimension B N/A 3.580 in91.00 mm N/A 4.310 in109.50 mm N/A 4.310 in109.50 mm N/A 4.310 in109.50 mm
Dimension C N/A 3.580 in91.00 mm N/A 4.000 in101.50 mm N/A 4.000 in101.50 mm N/A 4.000 in101.50 mm
Dimension D N/A 7.010 in178.00 mm N/A 6.180 in157.00 mm N/A 12.200 in310.00 mm N/A 42.200 in1072.00 mm
Dimension E N/A 14.060 in357.00 mm N/A 14.760 in375.00 mm N/A 20.790 in528.00 mm N/A 50.790 in1290.00 mm
Dimension F N/A 15.830 in402.00 mm N/A 17.170 in436.00 mm N/A 23.190 in589.00 mm N/A 53.190 in1351.00 mm
Dimension G N/A 2.600 in66.00 mm N/A 3.010 in76.50 mm N/A 3.010 in76.50 mm N/A 3.010 in76.50 mm
Dimension H N/A 0.710 in18.00 mm N/A 0.830 in21.00 mm N/A 0.830 in21.00 mm N/A 0.830 in21.00 mm
Dimension I N/A 2.990 in76.00 mm N/A 4.020 in102.00 mm N/A 4.020 in102.00 mm N/A 4.020 in102.00 mm
Dimension J N/A 0.430 in11.00 mm
Dimension K N/A 5.120 in130.00 mm N/A 6.500 in165.00 mm N/A 6.500 in165.00 mm N/A 6.500 in165.00 mm
Dimension L N/A 3.700 in94.00 mm N/A 4.060 in103.00 mm N/A 4.060 in103.00 mm N/A 4.060 in103.00 mm
Dimension M N/A 5.000 in127.00 mm N/A 6.500 in165.00 mm N/A 6.500 in165.00 mm N/A 6.500 in165.00 mm
Dimension N N/A 5.470 in139.00 mm N/A 7.640 in194.00 mm N/A 7.640 in194.00 mm N/A 7.640 in194.00 mm
Dimension O N/A 2.600 in66.00 mm N/A 4.020 in102.00 mm N/A 4.020 in102.00 mm N/A 4.020 in102.00 mm
Dimension P N/A 2.870 in73.00 mm N/A 3.620 in92.00 mm N/A 3.620 in92.00 mm N/A 3.620 in92.00 mm
Dimension R N/A 1.730 in44.00 mm N/A 2.200 in56.00 mm N/A 2.200 in56.00 mm N/A 2.200 in56.00 mm
Dimension S N/A 2.090 in53.00 mm N/A 2.440 in62.00 mm N/A 2.440 in62.00 mm N/A 2.440 in62.00 mm
Dimension T N/A 1.380 in35.00 mm
Dimension U N/A 3.540 in90.00 mm N/A 5.040 in128.00 mm N/A 5.040 in128.00 mm N/A 5.040 in128.00 mm
Weight N/A 23.34 lb N/A 42.92 lb N/A 52.18 lb N/A 92.86 lb
Surface Area N/A 19.10 ft²1.78 m² N/A 39.60 ft²3.68 m² N/A 60.70 ft²5.64 m² N/A 164.30 ft²15.27 m²
Max. Flow Rate N/A 59.00 gal/min225.00 L/min N/A 87.00 gal/min330.00 L/min N/A 87.00 gal/min330.00 L/min N/A 106.00 gal/min400.00 L/min
UPC Number N/A 3241 N/A 3380 N/A 3392 N/A 3305
Tube Material N/A Copper
Shell, Guide Plate, Brackets & Bypass Valve Material N/A Steel
End Cover Material N/A Cast Iron GG25
Fin Material N/A Aluminum
Tube Sheet Material N/A Steel
Gasket Material N/A Flat Gaskets C4400
End Cap Material N/A Cast Iron (Stainless Steel Optional)
Port Housing Material N/A Cast Iron
Mounting Bracket Material N/A Steel (May Be Rotated in 90 Degree Increments)
Shell Tube Material N/A Welded Steel
Gasket Size N/A C440 (Compatible with Fluids)
Drain Plug Material N/A Steel
Cubic inches N/A 432.95050 in³ N/A 852.66220 in³ N/A 1151.61540 in³ N/A 2641.41540 in³