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pipe unions flow requirements

we had a argument at work today that pipe unions have no flow requirements and I said they do..  Does anyone have written proof that there is a flow requirement? Thanks jeff


  • Do you mean....

    pressure drop on flow?

    It's not so much a case of "You got what you paid for", as it is a matter of "You DIDN'T get what you DIDN'T pay for, and you're NOT going to get what you thought you were in the way of comfort". Borrowed from Heatboy.
  • Ron Jr.Ron Jr. Posts: 527
    Maybe he means

    are the unions directional ? 
  • Jamie HallJamie Hall Posts: 6,434
    I've never seen

    a code requirement on them -- all the ones I've seen have been full port -- full pipe diameter -- so the water or whatever wouldn't even know they are there, seems to me.

    Building superintendent/caretaker, 7200 sq. ft. historic house museum with dependencies in New England.

    Hoffman Equipped System (all original except boiler), Weil-McClain 580, 2.75 gph Carlin, Vapourstat 0.5 -- 6.0 ounces per square inch
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