Quick Difference between Single Stage and Multi-Stage Compressor

single stage and multi stage compressor

Read: Single stage and Multi stage compressor - Advantages and Limitations

Single stage compressor
Multi-stage compressor
Only one cylinder for the compression process
More than one cylinder are connected in series
Used in low-pressure ratio application.
Achieve a very high-pressure ratio.
The size of cylinder is very large when compared to the cylinders in the multistage compressor.
Individual cylinders are small when compared to single cylinder compression.
The temperature of fluid due to compression is very high. No intercooler.
Temperature is low. Intercooling is more efficient than cooling with a cylinder wall surface. It also reduces thermal stress.
The high temperature damages cylinder head and burns lubricating oil.
Lower temperature facilitates effective lubrication.
Volumetric efficiency is low for given pressure ratio
Volumetric efficiency is high for given pressure ratio
High leakage loss due to high pressure ratio.
Chance of leakage  loss is low
Large size of flywheel required due to high torque fluctuation.
Provide more uniform torque, it needs light flywheel
Suitable for light task
Suitable for the heavy task. It can manage larger load.

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