A peristaltic pump, or roller pump, is a type of positive displacement pump used for pumping a variety of fluids. The fluid is contained within a flexible tube fitted inside a circular pump casing (though linear peristaltic pumps have been made). A rotor with a number of “rollers”, “shoes” or “wipers” attached to the external circumference compresses the flexible tube. As the rotor turns, the part of tube under compression closes (or “occludes”) thus forcing the fluid to be pumped to move through the tube. Additionally, as the tube opens to its natural state after the passing of the cam (“restitution” or “resilience”) fluid flow is induced to the pump. This process is called peristalsis and used in many biological systems such as the gastrointestinal tract.
Peristaltic pump hose and spares
Graco and Enviroflex both offer hoses for peristaltic pumps for sizes ranging from 10mm, up to 150mm, in a number of materials including natural rubber, EPDM, Viton, CSPE, and Nitrile. We also stock other spares such as rollers, shafts and lube.
If you have any questions regarding peristaltic pumps or hoses then please feel free to contact us.
Which Brands offers Peristaltic Pumps