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steam pipes

Raplph Mercuro
Raplph Mercuro Member Posts: 2
in THE MAIN WALL
I am having trouble with a 2 pipe steam system. On the end of each horizontal steam main there is a steam trap and the steam trap has a bypass around it. On the discharge side of the steamtrap there is a checkvalve. I am experiencing slow returns and cannot figure out what to do. I have never come across a system where the steamtraps are bypassed. The bypasses are original piping. How can this be resolved?

Thank you,
Ralph Mercuro

Comments

  • Brad White_203
    Brad White_203 Member Posts: 506
    The bypass

    is normally in my experience a 1/2" globe valve, maybe a 3/4" for larger line-draining traps.

    The function is to use them temporarily to allow some function when the trap being bypassed, fails or is being replaced. The bypass is normally closed.

    If you are having slow condensate passage, try cracking the valve just a wee bit and see if you do not get some improvement. If so, perhaps the trap is due to be re-built.

    Get the number make and model of the trap to Tunstall Associates and they will take care of you.

    Brad
  • Raplph Mercuro
    Raplph Mercuro Member Posts: 2
    2 pipe steam system trouble

    Brad,

    Thanks for your help. There is no valve on the bypass. More help please.
This discussion has been closed.

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