What is the difference between “oil-free” and “oil-less”?
With oil-free, the compressor still contains small amounts of lubricant that could come into the circuit under various circumstances. “Oil-less” refers to compressors that work completely without lubricant.
What should one watch out for when connecting a portable SF6 transfer unit?
In order to connect a portable SF6 transfer unit, connection hoses suitable for SF6 are recommended. Care should be taken that they are fitted with self-closing valves and are already filled with SF6 gas or fully evacuated before the first applicat ...
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