To protect the molecular sieve desiccant bed a coalescing filter is required upstream of the dryer to remove any liquid water and/or vapors that have been ingested by the compressor with molecular sieve. To protect downstream equipment from molecular sieve desiccant dust or “fines”, a particulate filter downstream of the dryer also is also recommended.
While on the topic of filtration I would like to interject my personal opinion that a heated type regenerative dryer should NOT be used with lubricated type air compressors with molecular sieve. I have witnessed instances where oil contamination from the compressor reached and collected on the molecular sieve desiccant. This not only renders the molecular sieve desiccant useless but is also a fire hazard as bed temperatures can reach over 400 degrees F.
"Note：This is normal specification, in case of a particular application, specification or requirement, please contact us by email at firstname.lastname@example.org for technical information."
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