Daan

adapting a disposable bottle for mig?

8 posts in this topic

Chaps,

 

I bought some disposable bottles with pure argon. to adapt it to my mig welder, I bought a hose, like this:

http://www.r-techwelding.co.uk/adaptor-kit-1-8-bsp-to-3-8-bsp/

I was expecting this would go between the disposable bottle and the regulator, but it doesn't. It appears I need another regulator too, like this:

http://www.r-techwelding.co.uk/mini-gas-regulator/

But that still does not get me a connection between the bottle and the regulator.

This kind of looks like it might work, but I think the bottle end needs a valve to open up the check valve in the bottle:

http://www.ebay.co.uk/itm/Adaptor-Conversion-Kit-for-using-disposable-bottles-with-larger-mig-machines-/181417704116?var=480392889446&hash=item2a3d567ab4:m:mdvkB6JED_wfqHVUa_IKzbg

What else do I need?

Daan

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From the looks of those pieces, it is expecting you to use the disposable bottle regulator, and remove the full size regulator from the equation entirely, connecting the adapter to the hose coming from the MIG.

 

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so what connects to the bottle?

 

Daan

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The mini gas regulator screws on top of the disposable bottle....the large brass boss opposite the black handle will have an internal thread. 

Does your MIG have the small bore nylon piping or a larger reinforced hose?

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Daan, I've just had a rummage in the boxofmanyMIGparts and I have a disposable bottle regulator that came with my MIG..its nowt fancy...they have no gauges just a numbered scale. I'll never use it and it's no good to me  as I run full size bottles. You're more than welcome to it. Drop me a PM 

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Hi Scotts 90,

 

Thanks for the reply, and the offer. I have now ordered the small regulator unfortunately. 

From my research, it shows that the adaptor hose does bolt on the mig welder with the large fitting and on the regulator with the small fitting. Than it bolts onto the bottle, like you say. Hope to finish my exhaust shortly!

 

Thanks, Daan

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No worries Daan, it'll get put back in the box then. 

Are you MIGing stainless? I used disposable bottles years ago when restoring a tractor and they were dire with argolight...never got much weld time with them at all and switched to full size as it was a lot more cost effective.

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Yup, sorry, reg goes straight on the disposable bottle :)

Glad you are sorted!

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