Fluid handling, regulation and control

Fluid handling, regulation and control

Fluid handling, regulation and control

Waukesha – APU2 Automotive paint series pump

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The lobes pumps of the APU2 series are automotive paint pumps.

For more than half a century, Waukesha Cherry-Burrell has been a leader in the design, manufacturing and application of external circumferential piston (ECP) style, rotary positive displacement pumps. Waukesha Cherry-Burrell PD pumps are in service around the world in thousands of challenging chemical and industrial applications.

Benefits of APU2 Series

  • Protects water-borne shear sensitive paints.
  • Pigments are not separated, which can change viscosity and cause color shifts.
  • Aluminum and mica metallic flakes are not damaged, which result in deep rich paint luster, and shiny finish.
  • Color matching between body and components is not a problem.
  • Substantial energy cost savings compared to turbine and piston pumps.
  • Constant flow regardless of system pressure changes, results in high film quality and thickness.
  • Pressure surges eliminated.
  • Minimal heat added to product.
  • Pumps are energy efficient, and easily cleaned, maintained, and repaired.


  • Water borne paints
  • Solvent borne paints
  • Clear coats
  • Metallic flake paints
  • Base coats


Waukesha - APU2 - Technical specifications


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