Never used glass beads . The oil traps in the industrial driers I serviced where long filters in the red tubes in the ATR link I posted. ( I worked for ATR for a year ) .Originally Posted by derekm
There was a smaller one also for the air going into the pneumatic controls for switching banks . It was the same as the filters in the red tubes.
This is what the filters were made of
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Special Filter Media Oleophobic nanofibre filter media actively repels oil and water to reduce pressure drop and keep running costs to a minimum.
They caught the oil but some did get past them and coated the dessicant and stopped it absorbing the water.
That Drier used 1and half 50 gallon drums of dessicant ( I have one of the empty drums in my garden).
When I was at Rentair offshore they had some that used a
Fan to cool the air before it went through the dessicant .
Some compressors had intercoolers that cooled the air before it left the outlet on the compressor.
The intercooler was cooled through air being sucked in by the fan that cooled the radiator and the compressor oil.
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