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Fittings for high vibration environments (offroad) speedflow or brass barbs?

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    Fittings for high vibration environments (offroad) speedflow or brass barbs?

    Hi All,

    doing a diesel fuel system for an offroader that will see a lot of ruts in its life. its 12mm low pressure hose and i need to get it into a 1/4 NPT fitting for a filter assembly. I may well be over thinking this.

    options are
    - brass 1/4"NPT to 12mm hose barb with a clamp (which is turning out to be impossible to find)
    - speedflow 1/4"NPT to male -8 taper then -8 female taper to 12mm hose barb with a clamp

    in aircraft and shit they always seem to lockwire the AN fittings. do they ever come loose? or does Aluminium thread gall enough to hold? i guess the other option is a dab of loctite on the speedflow taper joint threads.

    Oo___oO


    #2
    They don't gal at all in my experience, I have never seen an issue, there is a few guys that work on these all the time, Allan's engineering in malalla tune some and also Troy from TeeZee tuning does them, U could ask them.

    I would suggest you are overthinking and just put on dash fitting and move on.
    3D scanning
    3D modelling
    Structural certification
    3 and 5 axis milling

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      #3
      https://australia.dixonvalve.com/product/1020804SS
      Originally posted by Marlin
      Chickens will slip under water in the cover of darkness like a seal team and FUCK YOU UP.

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        #4
        Yeah, go with some sort of steel product.
        JIC/AN fittings dont come loose with vibration either.

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          #5
          From memory a couple of the Adelaide guys who ran big offroad rigs were using stainless JIC fittings rather than alloy AN ones.
          Chris
          ------
          The MX5 Noujet (its up market) | The Hilux Complete Nugget
          I never saw a wild thing sorry for itself. A small bird will drop frozen dead from a bough without ever having felt sorry for itself. - D.H.Lawrence

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