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  1. #16
    Join Date
    Jun 2010
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    Canberra
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    Quote Originally Posted by WelderMick View Post
    Rusty - can you provide details on our setup?
    Pushing my memory there, but the bottle was off Ebay - $200 for a filled 6kg bottle. Refills are about $70 at the homebrew shop. I get the impression that's on the steep side for the refills.

    The full bottle is about 20kg or so, and with an air fitting between the reg and welder, I can disconnect it and throw it and the reasonably light inverter MIG on the back of the ute and take it anywhere. And while you can't go climbing ladders with the unit slung over your shoulder as I've done with a little stick inverter, for work on the ground it makes jobs that would require considerable skill with stick pretty damn easy with MIG.

    As I mentioned in another thread, the only thing to watch out for is not having the cylinder lying on its side such that liquid goes through the reg - it freezes up mighty quick.

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  3. #17
    Join Date
    Apr 2002
    Location
    Brisbane
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    5,773

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    Quote Originally Posted by WelderMick View Post
    Well - I pay through the nose for gas, so I'm pretty sure I'm not on a deal. I don't use much in the scheme of things.
    I'll be very interested in speedgas' response. No local agent that I know of, closest listed is a bit over 1hr drive away. I used to have a BOC account, now I go through a coregas agent.
    Yes there are some welding shops, lited as "retail outlets".
    I'm not sure but CV jensen may deliver in your area ..not sure.

    I seem to remember that Speedgas themselves have some sort of depot in the area.

    Ya realy do need to chat with these folk.

    I simply cant see that a 6kg bottle at $70 a fill is going to be competitive with an E or G.

    cheers
    Any thing with sharp teeth eats meat.
    Most powertools have sharp teeth.
    People are made of meat.
    Abrasives can be just as dangerous as a blade.....and 10 times more painfull.

  4. #18
    Join Date
    May 2007
    Location
    South Australia
    Posts
    135

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    Just picked up a Unimig 180 for a few jobs TIG is too time consuming

    Looking to run CO2 as it should be significantly cheaper for how little it will get used

    Does anyone know where i can get a regulator adaptor such as this without ordering from the US?
    http://weldingdirect.com/a8arregtoco2.html

    Got a reg with the welder, seems a waste to have to buy a C02 reg.


    75/25 is going to cost me about $400 for an E (4m3) cylinder and $130 for refills
    CO2 is going to cost $200 for a 6kg cylinder (approx 3m3, assuming correct maths) and $60 for refills.

    Slight disadvantage on this stuff but shouldn't be a problem most of the time.

  5. #19
    Join Date
    Sep 2011
    Location
    Ballarat
    Age
    65
    Posts
    2,659

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    Hi Luke,
    I did pretty much did what you want to do. I was lucky and had a valve off an oxy bottle laying around.
    I used a piece of teflon to create the seal on the CO2 bottle and I have since added a 1/2" BSP short radius elbow between the piece I made and the oxy bottle valve.
    Here is the link. https://www.woodworkforums.com/f65/argon-reg-co2-bottle-adaptor-191560
    Hope this helps.

    Phil

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