Stainless steel and brass fitting

Discussion in 'Pumps and Tanks Well Forum & Blog. Water is life.' started by dacarra, Aug 29, 2020.

  1. dacarra

    dacarra New Member

    Joined:
    Aug 29, 2020
    Location:
    Ontario
    Hi, I have to replace my pressure tank (30 years old, waterlogged) with a new one, Well x Trol 202.

    This one comes with a 1” stainless steel elbow, to which I will screw the brass T fitting. I have made several brass to brass connections during the years all leak free, but never brass to Stainless steel.

    This is what I plan to do:

    I can’t get hold of the gray tape for Stainless steel, at least not in time, so I’ll use 6 wraps of the usual PTFE tape. This is because the usual tape is roughly half the thickness of the gray stuff and since 3 wraps of that one is recommended…

    Then I’ll spread a -liberal- amount of dope (Hercules Megalo Sealant by Oatey, as it is compatible with SS and with drinking water).

    I am not sure how tight I should put them together. Of course the T fitting has to be in a certain position. With brass to brass or copper I’ll normally do 2-3 turns past hand tight, but with SS? Steel is a lot stronger than brass, so there would be no danger of cracking the elbow, but I understand that with SS over-tight is not good. And I would REALLY like to do it right the first time, and not to have to open up the system for a small leak at that joint.

    Thanks for any advise
     
  2. Reach4

    Reach4 Well-Known Member

    Joined:
    Sep 25, 2013
    Location:
    IL
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  4. dacarra

    dacarra New Member

    Joined:
    Aug 29, 2020
    Location:
    Ontario
    Thanks. Can't go much higher, and it has been good for all these year anyway. What about how much to turn after hand tight with SS?
     
  5. Reach4

    Reach4 Well-Known Member

    Joined:
    Sep 25, 2013
    Location:
    IL
    https://images.homedepot-static.com/catalog/pdfImages/82/828a3884-270c-479d-9196-8ee915413279.pdf is for Amtrols lower end tank. It just says
    3. Apply Teflon®
    tape to the threads
    at the bottom of the “stem” of
    the tank cross. Insert the stem
    in the female threaded fitting on
    the bottom of the tank. Tighten
    hand tight then wrench tight.
    (Fig. 14-15)
    The WX-202 gives even less guidance. https://s3.amazonaws.com/s3.supplyhouse.com/product_files/Amtrol-Stand-Up-WX-202-Install-Instructions.pdf
     
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