Encyclopedia > Peristaltic pump

  Article Content

Peristaltic pump

A peristaltic pump is a type of positive displacement pump used for pumping a variety of specialized fluids. The fluid is contained in a flexible hose fitted inseide a circular pump casing. A rotor with a number of 'shoes' or 'wipers' attached to the external circumference compresses the flexible tube. As the rotor turns, the part of tube under compression rotates thus forcing the fluid to be pumped to move through the tube. This process is called peristalsis and is used in many biological systems such as the gastrointestinal tract. The pump casing is typically filled with lubricant to prevent abrasion of the exterior of the pump tube.

Since the only part of the pump in contact with the fluid being pumped is the interior of the tube, it is easy to sterilise[?] and clean the inside surfaces of the pump.

Typical applications

  • Dialysis machines
  • Food manufacturing
  • Pharmaceutical production
  • Sewage sludge



All Wikipedia text is available under the terms of the GNU Free Documentation License

 
  Search Encyclopedia

Search over one million articles, find something about almost anything!
 
 
  
  Featured Article
North Lindenhurst, New York

... Demographics As of the census of 2000, there are 11,767 people, 3,808 households, and 2,974 families residing in the town. The population density is 2,391.2/km² ...

 
 
 
This page was created in 164.4 ms