Types,
Components, and Applications of Industrial Air Compressors

Reciprocating Compressors

Reciprocating compressors utilize piston-driven mechanisms to compress air in
cylinders. These can be either single or multi-cylinder compressors. Single
cylinder reciprocating compressors are generally used for lower capacity
applications while multi-cylinder compressors can handle larger air demands.
Reciprocating compressors offer stable air delivery but experience pulsations
in the compressed air output. They are maintenance intensive and require lubrication.



Rotary Screw Compressors

Rotary screw compressors use two meshed helical rotors mounted side by side in
a casing to compress and convey air. One rotor usually has lobes while the
other has roots that fit into the lobes. As the rotors rotate, they
progressively reduce the volume of air and increase the pressure. Rotary screw
compressors deliver continuous airflow without pulsations. They are compact,
maintenance-friendly and suitable for moderate to high-capacity applications.
However, they have higher initial and operating costs.



Rotary Vane Compressors

Rotary vane Industrial
Air Compressors consist of an eccentrically mounted rotor fitted with
freely fitted radial vanes or blades. As the rotor turns inside a chamber, it
draws air through the inlet and compresses it against the chamber walls. Rotary
vane compressors are quieter, have a long service life and require less
maintenance than reciprocating compressors. However, they cannot achieve the
same pressure levels as screw compressors and have lower performance
efficiency. Rotary vane compressors are suitable for low-pressure applications.

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