Peristaltic

Liquid Pumping by Alternating Constriction and Relaxation

Peristaltic pumps work by reduction of a volume within a tube by a series of rollers.

• Dry running
• Self-priming
• Reversible (DC)
• Flow regulation
• Excellent for use with viscous or aggressive media
• Tolerant to contamination with particles
• Flow rates up to 2.9 l/min, suction height up to 8.0 mH20, pressure height up to 50 mH20

Technical Overview 
Peristaltic pumps operate using positive displacement. The fluid is forced through tubing by a number if rollers, which rotate squeezing a flexible tube against the pump housing. As the roller moves over and past a point on the tubing it expands to allow fluid to enter. During operation there is at least one of the rollers in contact with the tubing at all times which eliminates the need for valves to prevent backflow.  …read more

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