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Fig. 20 Air treatment options
1
Compressed air aftercooler (option da)
2
Cyclone separator (option da)
3
Tool lubricator (option e)
4
Heat exchanger (option db)
5
Filter combination (option dd)
6
Fresh air filter (option dc)
4.9.1 Option da
Compressed-air aftercooler
The aftercooler lowers the compressed air temperature to only 5 K to 10 K above ambient. Most of
the moisture carried in the air is removed in the aftercooler.
4.9.2 Option da
Cyclone separator
Condensate accumulating during the air cooling process is separated, fed to the exhaust gas silencer
and evaporated there.
4.9.3 Option db
Heat exchanger
The oil/air heat exchanger is fed with hot compressor cooling oil that warms the outgoing compressed
air. This warm, dry compressed air is ideal for sand blasting, for example.
4.9.4 Option dd
Filter combination
The dried compressed air passes through a combination of pre-filter and micro-filter and emerges oil-
free.
4
Design and Function
4.9
Air treatment options
No.: 9_9425 01 E
Service Manual Screw Compressor
M170 SIGMA CONTROL MOBIL
49