KAESER M27 - Safety Relief Valve; Temperature; Cooling Oil Recommendation; Tab. 30 Interrelation between Compressed Air Treatment and Compressed Air Quality

Interrelation between compressed air treatment and compressed air quality:
Air treatment Compressed air quality
Option designation Components Characteristics Abbreviation
da ■ Aftercooler
■
Compressed air
water separator
Cool and condensate-
free
A
da + db ■ Aftercooler
■ Compressed air
water separator
■ Heat exchanger
Dry and warmed B
ea / ec Tool lubricator Lubricated E
Tab. 30 Interrelation between compressed air treatment and compressed air quality
2.5.4 Safety relief valve
Maximum working pressure: See machine nameplate
Maximum working pressure [psig] 100 − − −
Relief valve activating pressure* [psig] 130 − − −
*The safety relief valve is fitted onto the oil separator tank.
Tab. 31 Relief valve activating pressure
2.5.5 Temperature
Machine temperatures Values
Recommended airend discharge temperature for
switching to load [°F]
86
Typical airend discharge temperature during opera‐
tion [°F]
167 –. 212
Maximum airend discharge temperature (automatic
safety shut-down) [°F]
239
Tab. 32 Machine temperatures
2.5.6 Cooling oil recommendation
A sticker showing the type of oil used is located near the oil separator tank filler.
Information on ordering cooling oil is found in chapter
11.
Characteristic SIGMA FLUID
Oil grade S–460 MOL
Classification Silicone-free,
synthetic oil
Mineral oil
2 Technical Data
2.5 Compressor
12
Operator Manual Screw Compressor
M27 No.: 9_9548 05 USE