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f&t v bucket trap whats better

on a steam boiler what is better to use as a trap to prevent flooding of the boiler


  • Brad White
    Brad White Member Posts: 2,398
    If you mean a surface skimmer

    type arrangement,(where two or more boilers were piped in parallel to a common header for example), I always specified an F&T on each. Usage was typically intermittent and pressures were low. As you know, F&T's respond to both temperature and volume.

    If there is a reason to use an inverted bucket trap, I do not know what it would be. They only respond to volume and work best under a constant load, not intemittent. May be fine, I just never did it nor thought about it.
    "If you do not know the answer, say, "I do not know the answer", and you will be correct!"

    -Ernie White, my Dad
  • Bucket traps are useful,

    if you need to lift the condensate slightly as they are N.O., but they may lose their "prime" if not sized correctly.
    F&T traps are N.C. which could cause the anvil chorus if conditions are right.

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