Fluid handling, regulation and control

Fluid handling, regulation and control

Fluid handling, regulation and control

Waukesha – High-volume capacity lobes pumps

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The lobes pumps of the Universal 420/520 series are high-volume capacity 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.

The lobes pumps of the Universal 420/520 series guarantee reliable and accurate pumping at high-volume capacities. Every revolution of the Model 420 model pumps more than 1.6 gallons (6 liters) of product. Model 520, more than 2.3 gallons (8.7 liters). Significantly, Models 420 & 520 are not just scaled up Waukesha PDs. They incorporate fresh design approaches that simplify installation, ease pump maintenance and extend pump life.



  • Tomato ingredient
  • Vegetables, diced, slurries
  • Pet foods


  • Solvents
  • Fuels
  • Oils & Lubricants
  • Paper pulp slurry
  • Sludges


  • Large diameter 17-4 PH shafts for greater strength.
  • Heavy duty bearing frame.
  • Double tapered roller bearings contribute further to precise rotor movement and longer seal life.
  • Body bolted to gearcase to maintain seal face contact, when removing cover and rotors.
  • Greased lubed bearings for positive lubrication to all bearings over entire speed, temperature and pressure range.
  • No bearing in product zone.
  • Rotor nuts designed for extended service without loosening.
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