Roller pumps are a type of positive displacement pump commonly used in medical, industrial, and laboratory applications. They work by using rotating rollers to compress a flexible tube, pushing fluid through it. Here are the main types of roller pumps:
Uses two or more rollers that rotate, compressing a flexible tube to move fluid.
Common in medical applications like dialysis machines and IV infusion pumps.
Provides steady, pulse-free flow.
Features multiple rollers (usually 2–12) mounted on a rotating rotor inside a circular housing.
The rollers compress the tubing against the pump casing, creating a peristaltic action.
Used in chemical dosing, food processing, and wastewater treatment.
Uses rollers mounted on a linear track instead of a circular rotor.
The rollers sequentially compress the tubing in a straight line.
Often used in analytical instruments and low-flow applications.
Designed to fully occlude (close) the tubing to prevent backflow.
Adjustable occlusion allows control over fluid flow.
Common in cardiopulmonary bypass machines and bioprocessing.
Does not fully compress the tubing, allowing some backflow.
Provides gentler fluid handling, reducing hemolysis in blood pumps.
Used in ECMO (Extracorporeal Membrane Oxygenation) and some IV pumps.
Uses two rollers working alternately to ensure smooth, continuous flow.
Reduces pulsation compared to single-roller designs.
Found in high-precision liquid handling systems.
Contains multiple tubing channels, allowing simultaneous pumping of different fluids.
Used in laboratory automation and industrial mixing applications.
Medical: Dialysis, heart-lung machines, IV infusion.
Industrial: Chemical processing, food & beverage, wastewater treatment.
Laboratory: Analytical instruments, bioreactors.