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TOPIC: Underground Steam line

Underground Steam line 2 months 3 weeks ago #9303

  • raybuckner
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I've got a 2" steam line in Laramie, WY that will be running underground for "a short distance". Any ideas, concerns?

Underground Steam line 2 months 3 weeks ago #9304

  • DGrayPPD
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Why will it be "running underground a short distance"? What will you do when the steam condenses and settles to that low pocket and a slug of liquid builds up? IMO this routing should be avoided.

Regards,
DGrayPPD

Underground Steam line 2 months 3 weeks ago #9305

  • raybuckner
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I have the same questions as you. I am trying to estimate engineering hours for a job that includes a 2" steam line running underground for a short distance.
All I have is a write up from the client. I don't know why it needs to run underground. I'm asking if anyone has had a steam line running underground and if so, how they handled it. There are a few options, I'm looking for someone that has done it successfully.

Underground Steam line 2 months 3 weeks ago #9307

  • DGrayPPD
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I'm sorry that I can't help too much further because the only steam systems I've designed where all designed to be free of pockets and included drip legs every so often to catch condensate. Which, as far as I am aware, is the standard piping design for steam systems.

I am curious though, what type of process steam is this? Wet steam? Superheated steam? What is the purpose of this steam line? Perhaps that would make a difference. Hopefully more experienced individuals will be along soon.

Underground Steam line 2 months 2 weeks ago #9310

  • 11echo
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Putting a steam header below ground is not impossible. The 2 main questions are WHY do you need to (bottom line how much money are you prepared to spend on this)?
And ...For how long a run (there are other ways to routing lines that are normally buried, but routed above grade ...40, 60 foot + or -, but it starts to get impractical after that )?
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