Bell & Gossett Heat Exchanger Fluid Cooler Brass Body MODEL # OF-64-4

Bell & Gossett Heat Exchanger 4 Pass Brass Body  Model # OF-64-4  
Copper Tubing . 
This unit has a  seamless copper shell and Bonnet Head Design.
Possible Uses
-Oil cooler
-Fresh Water Cooled Marine Engine
-Fluid Cooler. 4 Pass
Type OF Heat Exchanger
Test Pressure 300 PSI/Working Pressure 150PSI, Max Temp. AV. of Tube & Shell Sides 375 F.
See the attached photos for additional information.