Some liquids are thick and some are delicate, and both need gentle handling. A lobe pump uses two rotating lobes to carry the liquid gently in a smooth flow.
The lobes turn without touching each other, sweeping the liquid around in the spaces between them and the casing.
This guide explains what a lobe pump does, where it fits, and how to keep it reliable.
What a Lobe Pump Does
Two lobes turn inside the pump without touching, and the liquid is carried around in the spaces between the lobes and the casing.
This moves a set volume with each turn in a smooth gentle flow, since the lobes do not crush or shear the liquid.
So the pump handles thick or delicate liquids gently, carrying them without harm.
Where It Fits in the Plant
Thick syrups and delicate mixtures arise through the process, and these suit the gentle handling of a lobe pump.
Anywhere a liquid must be moved smoothly without being sheared, a lobe pump handles it cleanly.
By moving these liquids gently, it protects them while keeping the flow steady.
Signs a Lobe Pump Needs Attention
A lobe pump in trouble shows up in flow and running.
- Flow falling as the lobes wear
- The lobes running with more play than they should
- Rising strain on a thick liquid
- Leaks at the seal
- Vibration or noise while running
What Makes a Good Lobe Pump?
A lobe pump is judged by gentle smooth flow and well timed lobes.
Gentle Smooth Flow
The lobes must carry the liquid in a smooth gentle flow without shearing it. Gentle flow is the reason for the pump.
Well Timed Lobes
The lobes must turn in time so they do not touch. Good timing keeps the pump smooth and free of wear.
Keeping a Lobe Pump Running
Routine attention keeps a lobe pump moving your liquids gently.
- Watch the flow for signs of worn lobes
- Watch that the lobes keep their timing
- Watch the drive for strain on a thick liquid
- Keep the seal and drive maintained
Common Questions About Lobe Pumps
Two lobes turn inside the pump without touching, carrying the liquid around in the spaces between the lobes and the casing in a smooth gentle flow.
Thick or delicate liquids that need gentle handling, since the lobes carry the liquid without crushing or shearing it.
If the lobes touch they wear and can damage the liquid. Timing gears keep them turning in step so they stay clear of each other.
Watching flow for worn lobes, watching the timing, watching the drive for strain, and maintaining the seal keep it moving liquids gently.
Handle Thick Liquids Gently
A lobe pump carries thick or delicate liquids gently with two rotating lobes that never touch, giving a smooth flow. Gentle handling and good timing are what make it right for these liquids.
If a liquid needs gentle handling, a lobe pump suits it. Explore our pumps and plant equipment for the right choice.
See our range of pumps and handle thick or delicate liquids gently with a smooth lobe pump.
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