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Recent content by Seba93

  1. Seba93

    Valve replacement

    I have a valve that has been failing continuously due to leakage of the seals, therefore would like to recommend a new valve as a replacement. Piping class: B1 The current installed valve has the following specs: Designed to API 6D / API 608 Body material: ASTM A-216 WCB Ball Material: 316SS...
  2. Seba93

    Ball Valves Material Compatibility

    Hi Guys - I currently have a floating ball valve that operates in a Mono Ethylene Glycol (MEG) Regeneration Package. The piping spec that it is on is B1E (Carbon Steel, Pressure Class 300, Corrosion Allowance 3mm). I would like to replace it with a new design and am stuck with two options. If...
  3. Seba93

    In-situ Vs Bench testing results

    Thanks again Avalveman! I am in the oil & gas industry, we deal mostly with LNG Gas so technically the systems are supposedly clean. Most of our Pilot Operated SRVs have failed a leak test compared to Bellows and Conventional type (which have failed either due to leakage or did not "pop" or...
  4. Seba93

    In-situ Vs Bench testing results

    Thanks Avalveman The scenario is that we have never had very high failure rates of PSVs in our plant. Unfortunately after a very high magnitude earthquake, we have seen an increased number of failures. Would the type matter? i.e. Conventional, Bellows, Pilot with regards to vibration...
  5. Seba93

    In-situ Vs Bench testing results

    Hi Guys - I have two questions about PSVs and the two testing methods i.e. in-situ and bench testing. 1. If a PSV fails an In-situ testing, would the results be accurate enough as compared to bench testing results; especially with set pressure and CDTP (Cold differential test pressure)? 2. If...
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