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The differences between a compressor and a vacuum pump
The differences between a compressor and a vacuum pump
February 20, 2017

Theoretically, there is minimal difference between a vacuum pump and a compressor. This is functionally different from the actual functionality in practice because the use of the pump in industrial practice is quite different from the case of a mall-scale domestic use. Though highly dependent on the application and use, their efficiencies are also highly different depending and aim at achieving different needs. In this article, the functional and operational differences between a compressor and a vacuum pump are discussed, with the view of exploring how their application defines their functionality, as well as that of a vacuum compressor pump.


The first difference between a compressor and a vacuum pump lies in their vacuum strength. In operation, the strength of a vacuum pump is measured by the absolute output pressure, where the smaller the outcome the more powerful it is. On the other hand, compressors’ strength is measured in terms of the compressor ability to attain high compression needs in the fluid.


Another key distinguishing factor between a compressor and a vacuum pump is the flow rate of the fluid. Vacuum pumps offer flow rates that depend on the pressure on either ends of the pump, while compressors operate on the principle of volume reduction. Conventionally, a vacuum compressor pump allows for a combined compression and evacuation of the compressed fluid. An intermediate option lies in the use of a vacuum compressor pump which combines both outcomes.


Lastly, vacuum pumps have lower power consumption than their compressor counterparts. This helps in defining their efficiency as far as the functionality of the system is concerned. However, it should be noted that it’s only corresponding pumps and compressors whose power consumption can be compared.


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