Posted on: January 25, 2018 Posted by: James McQuiston Comments: 1

When choosing a pump, you need to be aware of the different applications and the dynamics of every pump. With vane pumps, you might be tempted to conclude that any vane pump can work well in any application. Some pumps are meant for solids, others for vapour, and others for fluids. The viscosity of the fluids is of paramount importance as well.

Vane pumps are excellent at handling liquids with low viscosity such as propane. They may not last as long as you would desire, they self-compensate in the event of wear and do not have metal to metal contact internally. When shopping around for a vane pump, remember that there are different types.

They are available in these configurations:

  • Flexible vane
  • Sliding vane
  • Rolling vane
  • Swinging vane
  • External vane

When you get one, for instance, a provac vane pump, you will notice the following positive points:

  • They are easy to care for.
  • Dry priming: they run dry for brief periods.
  • Good suction

How do they work?

Thevarious types of vane pumps are built to handle individual solids and liquids differently.

  • External vane pumps are the ones you should go for if you are dealing with large solids.
  • Flexible vane pumps work well with small solids but are great for the creation of a vacuum.
  • Sliding ones have the propensity of running dry for brief periods and do well with small amounts of

However, most of them apply a uniform principle. They create a pocket through which fluid from the pumping chamber enters. Vanes sweep liquids to the other side of the crescent as the rotor rotates and through the cam’s discharge holes. The fluid is then discharged via the discharge port.

Vane pumps are able to tolerate varying fluid temperatures from -32 degree Celsius (-25 degrees Fahrenheit) to 260 degrees celsius (500 degrees Fahrenheit). They also handle varying differential temperatures quite well.

Vane pumps are required for the following applications:

  • Aviation – For fuel transfer and deicing
  • Distillation industry –For alcohol
  • Aqueous solutions
  • Vehicular – For fuel and lubricants
  • Aerosols
  • Propellants
  • Refrigeration – Ammonia and freons
  • Solvents
  • Coolants

What are the pros and cons of vane pumps?


  • They work with low viscous fluids at comparatively higher pressures.
  • They self-compensate for wear.
  • They are often chosen for solvents.
  • They have the ability to run dry for brief periods.
  • They develop a good


  • They have many parts and therefore require complex housing.
  • They are unsuitable for high pressures.
  • They are unsuitable for high viscosity fluids.
  • They cannot be used with abrasives.

The different offers you have of pumps is great with regard to specifications when it comes down to choosing the one that meets your requirements. And when you buy, for example, Provac vane pumps, you are assured that you have that you have the right item for the right application.



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