Due to cooling of compressed air, condensation of oil & water vapour takes place in Moisture Separators, Air Receivers, Filters, etc. Regular draining of these equipment is an essential maintenance function. By installing Auto Drain Valves, you can ensure that all equipment of the Compressed Air System get drained regularly without manual dependence, except for periodic checks. Low cost timer based ADVs are commonly used, but for larger Systems, zero air loss level based ADVs are used