In a lobe pump, the lobes rotate to create what type of flow?

In a lobe pump, the mechanism involves two or more lobes that rotate in a synchronized manner, effectively creating a vacuum to draw in fluid and then displacing it as they continue to turn. This design leads to a very steady and consistent movement of the fluid being pumped.

The characteristic of a constant flow in a lobe pump is primarily due to the positive displacement principle. As the lobes move, they trap a specific volume of fluid and push it through the outlet. This results in a smooth and continuous flow of liquid, without interruptions or fluctuations in the flow rate under normal operating conditions.

Pulsating, variable, and intermittent flow options suggest fluctuations or changes in the flow rate over time, which are not features of a properly functioning lobe pump. Instead, the lobe pump focuses on delivering a predictable and constant flow, making it suitable for applications where uniformity in fluid delivery is crucial.