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  1. #1
    Join Date
    May 2007
    Posts
    1

    Default CGA 530 On an argon bottle

    Hello,

    Have any of you folks ever gotten an argon bottle with a CGA 530 valve on it? I recently changed tanks on my TIG welder, and this is the valve it came with. After the change, the regulator began making squeaking noises and both gauges fluctuated in sync with the squeaking sound. Since getting this bottle, I have had absolutely no luck with welding aluminum, the "welds" end up just being a mess of black oxide, and there is no puddle established to speak of. Steel welds do not seem to be as badly affected. Looking back on my description, it seems like it is a shielding gas issue, and today, I turned the gas up to 25 cfh or so (hard to say for sure with the gauge fluctuation) and I got a somewhat ok aluminum bead, but with a lot of black oxide mixed in. I generally ran between 12 and 15 cfh with the old bottle, and had none of these issues. I am a beginning TIG welder, with the previous and only bottle being a 125 cu ft, so that is the extent of my TIG welding experience. I was chalking these problems up to inexperience, but I am now thinking that there is an issue. I have never had a regulator do that to me before (I've welded MIG for years), and I just can't think that I'd all of a sudden forget how to weld aluminum at the same time that I changed bottles, since I was able to do that before. All of the previous argon bottles I've gotten have had the CGA 580 valves on them, and just out of curiosity, I hooked the 95/5 bottle from my MIG machine up to the TIG today and tried it to see if it had the same issues. It did not. The CGA 530 valve has what looks to me like a spring loaded poppet valve or something as part of it, I can't tell you exactly what is in it, since it's part of the valve. I would be willing to bet that that is what is causing my issue. Anyways, after all of that, my question is basically has anyone ever gotten a tank like this, and if so, did it cause you similar issues, or am I blaming my troubles improperly? Thanks in advance for any help.

    Dan

  2. #2
    Join Date
    Aug 2006
    Location
    near rochester NY
    Posts
    9,881

    Default

    i think i would swop out the tank and call it a lerning expereance to check them befor i leave the shop.
    sereously though, if its causing the gage to go freaky and there is a whisleing problem its possible you are sucking in air at the conection. the tank should be labled as to what it is, although that dose not always make it so.i dont see how you could get a decent gas coverage with the gage acting like that so even if it was strait argon i cant see it working, change out the tank.

    welcome. good to have you among us.
    thanks for the help
    ......or..........
    hope i helped

    feel free to shoot me an e-mail direct i have time to chat. james@newyorkmetalart.com
    summer is here, plant a tree. if you don't have space or time to plant one sponsor some one else to plant one for you. a tree is an investment in our planet, help it out.
    JAMES

  3. #3
    Join Date
    Mar 2007
    Posts
    511

    Default

    i would go with what was said before go swap it out for another cause the whistleing sound definetly isnt good.

  4. #4
    Join Date
    May 2007
    Location
    Tickfaw, LA
    Posts
    10

    Smile Bleed valve

    Sounds like the bleed valve (you described it as a poppet) is leaking. Try leak testing with a little soapy water. It might be as simple as tightening it.



    Regards,

    Charles
    Last edited by aa5gp; 06-03-2007 at 08:11 PM. Reason: clarification

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