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Anaerobic Thread sealer?

Discussion in 'CO2 Enrichment' started by Jim Miller, Aug 17, 2011.

  1. Jim Miller

    Jim Miller Lifetime Charter Member
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    Any experience applying titled substance aka Loctite as an alternative to teflon tape or paste as a sealant?

    Loctite website makes a case for their product. I noticed a Loctite like substance when trying to take apart my AirGas.

    Jim
     
    #1 Jim Miller, Aug 17, 2011
  2. Matt F.

    Matt F. Lifetime Charter Member
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    Yeah,
    Victor/Thermadyne uses a red Loctite on their industrial regulators like the VTS. It will serve the dual purpose of not only sealing but locking the npt components in place.

    I think teflon tape is better at protecting stainless threads, though.

    I don't see a problem using it on brass or chrome plated brass (assuming it doesn't cause tarnish).
     
    #2 Matt F., Aug 17, 2011
    Last edited by a moderator: Aug 17, 2011
  3. Jim Miller

    Jim Miller Lifetime Charter Member
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    Just spent some time at the Loctite site. Looks like purple aka Lotite 222 is the choice for 10-32 (less than 1/4"). Blue would be good for the next step up. I'm interested in good sealing but removal with hand tools rather than heat. Heat is recommended for removal of Red.

    I'll get some and play around a bit.

    Jim
     
    #3 Jim Miller, Aug 17, 2011
    Last edited by a moderator: Aug 17, 2011
  4. oldpunk

    oldpunk Guru Class Expert

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    I use the red loctite on some of my regs. works great for sealing. not so great once you want to take that piece apart though...
     
    #4 oldpunk, Aug 18, 2011
  5. GillesF

    GillesF Member

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    #5 GillesF, Sep 2, 2011
  6. Jim Miller

    Jim Miller Lifetime Charter Member
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    I see no reason why it shouldn't work. It doesn't chemically react with the metal. Blue and the even weaker purple are intended for removal with handtools and without needing high heat.

    Loctite has a good amount of technical literature on their site on how this stuff works. If you don't find it on the consumer side, look on the industrial side.

    Jim
     
    #6 Jim Miller, Sep 2, 2011
  7. GillesF

    GillesF Member

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    Apparently my dad had some 242 and 222 lying around. I'll probably use the 242. How should I apply it? Only at the top of the thread or the entire thread?
     
    #7 GillesF, Sep 2, 2011
  8. Jim Miller

    Jim Miller Lifetime Charter Member
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    Loctite says to apply it to all but the first thread. See their site for details on application, setting times, etc.

    Jim
     
    #8 Jim Miller, Sep 2, 2011
  9. Jim Miller

    Jim Miller Lifetime Charter Member
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    Btw, why not get a couple of pieces of brass fittings and do a test to see if you like the feel?

    J
     
    #9 Jim Miller, Sep 2, 2011
  10. Matt F.

    Matt F. Lifetime Charter Member
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    I use airtools to get components with red lock tite off. no match for the 1/2" impact wrench...lol
     
    #10 Matt F., Sep 2, 2011
  11. Jim Miller

    Jim Miller Lifetime Charter Member
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    'ems pahr tules!



    ;-)

    jim
     
    #11 Jim Miller, Sep 2, 2011
  12. Matt F.

    Matt F. Lifetime Charter Member
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    yeah, a 1/2" impact wouldn't be nice on a 10-32 fitting, though. LOL
     
    #12 Matt F., Sep 2, 2011
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