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Brad White_191
Brad White_191 Member Posts: 252
in THE MAIN WALL
if you have all the tables you need for all components expressed in those units.

As you know, the figure represents thousandths of an inch of water column, a fairly narrow scale or high accuracy means of expressing pressure drop. I believe that B&G originated that and I have my notes and hand-outs from 1977 when I first started in this business.

I do not think that I have used it much since. Are you feeling nostalgic? Break out the ol' abacus and slide-rule? :)

But yes, it is another way to express feet of head in very tiny increments.

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  • Glen
    Glen Member Posts: 854
    Is it -

    still a valid method of calculating circulators and pipe sizing?
  • Glen
    Glen Member Posts: 854
    yes Brad -

    I have all the tables - and they are still published by the UA. Surprisingly - they are part of a steamfitter/pipefitter cirriculum here in Alberta. Interesting method of friction loss. :-) And yes I still have a bamboo core slide rule -
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