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Technologies

How Do Peristaltic Pumps Work?

A peristaltic pump is a positive displacement pump, which is based on alternating compression and relaxation of a hose or tube, similar to the way a human throat or intestines work. A rotating shoe or roller passes along the length of the tube, compressing it and creating a seal, causing a strong vacuum and drawing in the product to the pump. As the product reaches the end of the tube, it is 'pushed' out of the discharge port.

Smaller tube-type models have their tubes installed in a rotor assembly alongside the cased mechanism and controls. Industrial type models house the hose in a cast iron casing with the hose half covered with a lubricant bath to reduce the friction on the surface from the rotor mechanism and to-regulate the temperature of the pump. The rotor is connected to a drive assembly, motor, gear box and control unit.

To find out more about how a peristaltic hose and tube pump work, please click here! 

Peristaltic pumps: let's dive right in:

A Video On How Peristaltic Pumps Work

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Peristaltic Pumps