ETL200 Series Peristaltic Liquid Pumps

$ P.O.A.

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ETL200 Series Peristaltic Liquid Pumps by Thomas

Peristaltic Liquid Pumps are your ally when you need to dose or dispense the fluid with high accuracy without cross-contamination. They can be used to pump a variety of liquids such as water, blood, sterile or aggressive fluids or suspended solid.


  • Unique dual spring loaded mechanism for maximum tube life
  • Capacity from 0-60 ml/min
  • Max pressure height 20 mH2O
  • Max suction height 9.0 mH2O
  • Easy tube loading (ETL)
  • Stepper motor (controller board on request)
  • Easy tube loading (ETL)
  • Self priming
  • Dual spring – loaded pressure clamp for prolonged tube lifetime
  • 4-roller and 6-roller version

Possible Applications

  • Transfer of fluids in analytical and biopharma processes
  • Dispensing of reagents in in-vitro diagnostics

How does it work?

It is also referred to as peristaltic hose or tube pumps, operate using positive displacement. The fluid is fed through the tubing by rollers that rotate squeezing the tube against the pump housing.

As the roller moves over and past a point on the tubing, it expands to allow more fluid to enter. During operation, at least one roller is used to close the tube, therefore the need for extra valves is eliminated.

Peristaltic pumps are ideal for corrosive and viscous fluids, as the only part of the pump to come into contact with the fluid is the flexible tubing. Depending on the model, the tubing or the head can be easily replaced, while the pump itself remains a maintenance-free component.

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