AIR COMPRESSORS

 Uses of Compressed air onboard ships

• For automation and control of main and auxiliary machinery and equipment.
• For starting of Main engines, auxiliary engines, emergency generator engine etc.,
• For pressurizing the hydrophores for domestic fresh water and sanitary water used in accommodation.
• For use in sewage plant for conducting aerobic sewage breakdowns.
• For soot blowing of the boilers.
• For use in fog horns and ships whistles.
• For heaving the life boat up by the use of an air motor.
• Used in pneumatic pumps for oil transfer and pneumatically driven hand tools such as grinder/ chisels/ drills/ spanners/ jacks/ etc.,
• For use as general service air for use in general cleaning & painting operations.

Generally two pressures of air are used: 

1. High pressure air - 30 bar (Used for starting the main/auxiliary engines)
2. Low pressure air - 7 bar (Used for control and service air)