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Recent content by PeterCl

  1. PeterCl

    Hydrotesting with an oxygen scavenger

    flashpipe ammonium bisulphite is commonly used as an oxygen scavenger in carbon steel submarine pipelines filled with seawater, prior to hydrotest. If you're in a pipe mill, are hydrotesting each joint as part of the manufacturing process, have access to fresh water I'd start with a...
  2. PeterCl

    Ethylene Glycol Hydrotest

    Ian I looked for similar information several years ago, with limited success, coincidentally for a pipeline hydrostatic testing application. I can recall the theoretical pressure variation due to temperature change was significantly greater for ethylene glycol when compared to both fresh and...

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