dielectric union options

afblue Posted By afblue, Sep 8, 2011 at 2:43 PM

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  1. afblue

    afblue
    Feeling the Heat 2.
    NULL
    

    Sep 1, 2009
    278
    1
    Loc:
    Buffalo, NY
    Working out my Paxo, thermal storage, injection mixing radiant loop system design. The boiler and 140 boiler valve are threaded steel, cast iron pumps and copper distribution. With proper placment, can I use brass circulator pump flanges as a dielectric point, and not have to add dielectric unions?
     
  2. nt30410

    nt30410
    Member 2.
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    Dec 13, 2007
    20
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    Loc:
    New Brunswick Canada
    Yes, brass pump flanges or brass valves will work ok.
     
  3. goosegunner

    goosegunner
    Minister of Fire 2.
    NULL
    

    Oct 15, 2009
    1,381
    101
    Loc:
    WI
    I am working on the same situation.

    Is it recommended to place brace between black pipe or cast fittings on the boiler before you switch to copper?

    What about connections to tank, Should there be a brass between the tank and the copper?


    gg
     
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