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Recent content by NWH

  1. NWH

    Oil Problem on Screw Compressor

    I would review the application with the vendor, to ensure proper selection and design, and plan to inspect at next opportunity. We identified cause for recent oil carry over on flooded screw machine train was resolved after finding coalescing element damage and separation allowing oil to...
  2. NWH

    Trip & Throttle Valve Overhaul Frequency

    I am looking for feedback from users on frequency of preventative overhaul of TTVs (Gimpel and others). Manufacturer recommendation is for overhaul on ~5yr interval, to ensure valve condition will allow function if required to trip machine. Are you performing overhaul on this interval?
  3. NWH

    Oil Problem on Screw Compressor

    Oil carry over past the coalesced could be caused by damage to the coalescing elements or mounting, high process gas temperatures, or due to design issues with the separator vessel. We inspect coalescing elements on regular basis, with unit TA, to verify condition. Has this compressor train...
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