TRA 20 Series

Wright Flow Technologies TRA20 series is designed for high hygiene applications, using O-ring sealed rotors and rotor retainers, and offer an optional Clean-In-Place design with internal porting to allow vigorous flushing through all internal chambers. TRA20 series pumps also allow higher pressure capabilities than TRA10 series.


  • Time tested and proven circumferential piston design.
  • Exceptional engineering and manufacturing quality.
  • Parts are interchangeable with Waukesha® U2 series pump parts.
  • Wright Flow Technologies TRA®20 pumps are drop-in replacements for equivalent sized Waukesha® U2 pumps.
  • Wright Flow Technologies can remanufacture TRA®20 series or Waukesha® U2 series pumps up to three times.


  • Capacity Range: 0.1 to 310 gpm (0.02 to 70.4 m3/hr)
  • Pressure Range: to 500 PSI/34 Bar
  • Viscosity Range: 28 to 910,000 SSU (1 to 200,000 cSt)
  • Consult factory for applications greater than 910,000 SSU/200,000 cSt.
  • Chocolate clearances available.

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