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    Senior Trainer (2 Posts)

  • Hydronica Hydronica @ 1:16 PM
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    Senior Trainer

    You mention a "loop seal" several times in your book A Pocketful of Steam Problems. What is it, how is it constructed, and what does one look like?
  • Dan Holohan Dan Holohan @ 7:06 AM
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    Loop seal

    It's simply a U-shaped piping arrangement that fills with water and stops the steam. From the end of a steam main it would turn down vertically about five feet and then turn horizontal for a few inches before turning vertical again to join the dry return.
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