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Peristaltic Pumps

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Peristaltic pumps contain a tube squeezed by a set of rollers to move fluid. Constricting the tube and increasing the low-pressure volume creates a vacuum that pulls the liquid into the tube. The liquid is pushed through the water pump by compressing the tube at several points in contact with the rollers. Liquid moves through the tube with each rotation. The flow rate is determined by both the size of the tubing and the pump speed. Larger tubing produces faster flow rates.

Peristaltic pumps come in either a circular or linear design. The compatibility of a peristaltic pump with a certain type of fluid is almost completely dependent on the design of the tubing. When selecting a peristaltic pump, it is important not to overlook the selection of the pump tubing. There are many factors that should be considered in this selection process, such as chemical compatibility, pressure, temperature, size, life expectancy, and cost.

Peristaltic pumps are typically classified based on their pressure ratings. Low pressure peristaltic pumps are laboratory grade pumps designed for low pressure pumping applications such as in IVs and chemical metering. These pumps usually have dry and non-reinforced casings and use rollers to provide the compressed force. High pressure peristaltic pumps are industrial grade pumps designed to pump aggressive sewage and slurries. The casings in these pumps are lined with lubricants to avoid damage from abrasion and friction, as well as to dissipate heat buildup. Their reinforced tubes are designed to handle the high pressures.

Peristaltic Automatic Dispensing System Applications

  • • Boilers
  • • Cooling towers
  • • Drains
  • • Car washes
  • • Livestock supplements
  • • Grease traps
  • • pH control
  • • Sanitation
  • • Additive
  • • Restaurants
  • • Irrigation
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  • • Scale control
  • • Algae control
  • • Manufacturing plants
  • • Lubrication systems
  • • Pools
  • • Septic systems
  • • Corrosion


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