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  • 40 to 2800 SCFM capacity
  • 250 PSI max operating pressure
  • 350°F max operating temperature
  • Materials:
    • Tubes: Copper
    • Shell: Brass
    • End hubs: Brass
    • End bonnets: Cast iron
    • Baffles: Brass
    • Gaskets: Nitrile rubber
    • Nameplate: Aluminum foil


The Southwest Thermal AB Series water cooled aftercooler has a compact shell and tube design for heat transfer efficiency. The AB Series can be easily dismantled for cleaning or repairs. All brass hubs and shell assemblies reduce galvanic and other types of corrosion. The capacity of the AB Series can be increased by adding plates in pairs.


  • Rotary screw air compressors
  • Piston compressors
  • Centrifugal air compressors
  • Vacuum systems
  • Blower lube oil coolers