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Manufacturer of Circumferential Piston and Ultra-Pure Centrifugal Pumps Serving
the Biotech, Pharmaceutical, and Sanitary Consumable Markets Worldwide


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Pumping Principle:

Circumferential Piston

Circumferential Piston pumps are rotary Positive Displacement (PD) pumps. 

 

Animated Circumferential Piston Pump FEATURES AND BENEFITS INCLUDE:
- 3A, CE, ATEX, and EHEDG Certifications
- flow proportional to speed for ingredient metering
- flow largely independent of changes in differential pressure or fluid viscosity
- self-priming
- minimal pulsation
- reversible direction of flow
- large voids that minimize bruising of solids
  - low shear

 Click on pump to animate

Circumferential piston pumps are timed like rotary lobe pumps.  The rotor wings (the "pistons" in circumferential piston) rotate in chambers machined into the pump housing.  This provides a large sealing surface which minimizes slip.

 

TRA10 Series Cutaway (click to enlarge)

TRA20 Series Cutaway (click to enlarge)

 
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