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Recent content by EVSP9000

  1. EVSP9000

    Reciprocating Pump Packing Failure

    You could look at some of the newer chevron graphite packing materials, i think garlock make one, we have tried them on this type of application with success, but be aware they are very sensitive to installation and loading Hope this helps
  2. EVSP9000

    Alternative to O-rings

    Have you considered, Metal O rings some of the new designs low load type are very close to the requirements for elastomer o rings regards Mike
  3. EVSP9000

    Shell SPE 77/312

    May be a bit late 77/312 is still under consideration as far as i can understand, it requires the manufacturers to undertake approval and type testing to emissions standards, it is similar to the new ISO standards, as far as the big players are concerned, Exxon/BP both are going with a version...
  4. EVSP9000

    Helium ppm to mbar*l/s conversion for Fug. Em.'s

    A bit late on this Thread BP have a program to measure and calculate the relationship between helium and Methane, as all new gate and globe valves are tested with Helium for safety reasons, the max emission is 50 PPM methane that equates to 100 PPM helium this is a bit contravercial however it...
  5. EVSP9000

    Packing rings requirements

    Try Garlocks, website they have downloads of packing bochure that gives these details Mike
  6. EVSP9000

    GASKET LEAKAGE

    We must remember that the issue of leak tightness is driven by two standards 1. Laboratory - Specs we all use M and Y factors etc,API etc 2. Field experience, having just finished a flange monitoring program, flange leakage is uncommon especially if you measure against EPA standards ie...
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