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Steam Velocity

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Steamhead (in transit)
Steamhead (in transit) Member Posts: 6,688
in THE MAIN WALL
are they? What make and model?

What header sizes are recommended for these individual boilers?

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  • TK03
    TK03 Member Posts: 54
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    Steam velocity

    What is the maximum velocity in headers and steam mains. I have heard both 50 and 60 fps in mains and 30fps in headers. I need to size a header for tying together two steam boilers. Thanks in advance
  • Boston_2
    Boston_2 Member Posts: 107
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    half the story

    Consider the condensate also if there not both on line.
  • kamney
    kamney Member Posts: 15
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    2 MST629 boilers with 3" headers.
  • Steamhead (in transit)
    Steamhead (in transit) Member Posts: 6,688
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    I'd use

    a 4-inch main header and drop the 3-inch outputs from each boiler header into that. Drip the end of this header the same as you would a boiler header, but run your drip to the system side of the individual boilers' Hartford Loops.

    "Steamhead"

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