Page 65 - Pneumatic ebook (2)_draft 13 sept 2021
P. 65

Air Treatment










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       Atmospheric air consists of dust               Besides that, gummy substances                To eliminate these contaminants,
       and moisture. Dust usually will be             may be formed from fine particles             further air treatment is required to
       removed by the filter fixed at the             of carbonised oil, pipe scale and             ensure the compressed air is as
       intake of the compressor.                      other foreign matter, such as worn            clean as possible to the point of
       Meanwhile, moisture condenses                  sealing material. This can result in          use.
       out during the continuous cooling              injurious effects on pneumatic
       and drying process. However, there             equipment by increased seal and
       will always be some moisture which             component wear, seal expansion,
       will be carried over.                          corrosion and sticking valves.















                                                               INTRODUCTION TO PNEUMATIC SYSTEM                                            28
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