8.3
[en] 02/2014
Installation and operating manual - NK 31
8.1.9 Oil separation
The ne oil separation becomes poorer in the
upper area with an increasing compressor outlet
temperature.
8.1.10 Multigrade oil
The use of multigrade oils can cause problems
in the long run, as „viscosity improvers“ used are
destroyed over time. The oil is then no longer
secured in the upper viscosity class and a ther-
mal stability is no longer completely ensured.
Therefore, multigrade oils are not approved for
use in ROTORCOMP compressors.
Attention
Only use oils approved for screw compressors!
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