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  1. Sally Smith

    Tightness of piping fasteners query

    I agree that ideally a thin nut should be placed first then a thicker fastener on the outside but with what we have they should be tight against one another, and not loose.
  2. Sally Smith

    Tightness of piping fasteners query

    Thanks, 1503-44. Hot line but no vibration. It seems we all agree: they should be in contact to prevent self-loosening.
  3. Sally Smith

    Tightness of piping fasteners query

    Thanks! The person in question actually said it was supposed to be like that. [lol]
  4. Sally Smith

    Tightness of piping fasteners query

    Thanksa lot, folks. I think studs are deliberately long to accomodate double nuts. Fairly common in the industry I believe. Agreed there are better solutions. Thanks, Littleinch, but that link is down. [sad]
  5. Sally Smith

    Tightness of piping fasteners query

    Thanks but I still believe it should be tight. Additional security in case of vibration works them loose.
  6. Sally Smith

    Tightness of piping fasteners query

    Hi, A colleague told me it is not a concern that the below (secondary) nut isn't properly secure and maybe suggested it should be loose. I think they may be wrong. If it's there it should be tight, right? Can anyone confirm please? Thanks in advance!

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