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  1. lsusiegel

    Liquid Pipeline Thermal Relief

    My experience with expansion tanks/bladder tanks is not good. In fact, I have one in my shop right now with a split bladder. But, that is indeed an option being considered. Thanks - Mike
  2. lsusiegel

    Liquid Pipeline Thermal Relief

    Thanks for the replies - all good information. Yes, the pipelines are above ground. The PO and DMA pipelines are 4" schedule 40 carbon steel (150# class flanges) and the Methanol pipeline is 16" standard wall (150# class flanges). The PO pipeline volume is about 9700 gallons and the DMA...
  3. lsusiegel

    Liquid Pipeline Thermal Relief

    I am the Maintenance/Engineering Manager at a bulk chemical logistics terminal in south Louisiana that handles many different hazardous chemicals. In particular, I am having issues with thermal relief on long uninsulated pipelines (over 5000' in length) in Propylene Oxide, Dimethylamine...

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