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post #1 of (permalink) Old 02-13-2003, 04:40 PM Thread Starter
 
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Welders - question about bottle orientation

I have finally decided to retire my 8,000 year old AC arc machine; tired of fighting that POS; this morning ordered a Miller 175. I am leaning toward an 80 CF bottle; I have a cart/bender stand that will also be my welder stand. It is about 3 feet tall by around forty inches long; can I build in a bottle rest that will have the bottle at an angle or even horizontal? Or must it be vertical?

Max
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post #2 of (permalink) Old 02-13-2003, 04:54 PM
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Re: Welders - question about bottle orientation

From what I've heard, you want to keep them vertical at all times. This maybe be just acetlyn bottles, but I don't know.
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post #3 of (permalink) Old 02-13-2003, 05:01 PM
 
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Re: Welders - question about bottle orientation

If you use straight C02, which I do, the bottle should be vertical as the contents are liquid. I don't imagine a slight angle would hurt, but you don't want to siphon liquid c02 into the regulator.

Acetylene is different as it uses acetone absorbed into a matrix to dissolve the acetylene gas. (Like C02 in carbonated water) Not that you asked, but you definately don't want those bottles on their side.

I've used the body shop mix bottle that have Argon and C02 and ??? in them, but have no idea whether the c02 portion liquifies or is gaseous. I suspect its all gas, as the bottle run out much faster. For what I do, it's a waste of money to buy mix. C02 welds splatter slightly more, but penetrates deeper as well.
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post #4 of (permalink) Old 02-14-2003, 11:12 AM
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Re: Welders - question about bottle orientation

Definetely keep co2 upright. And probably, any mixture using it. They are liquids at about 500 psi, and you would siphon liquid if laid on its side. O2 can be set at any angle, it is a gas.
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post #5 of (permalink) Old 02-14-2003, 02:12 PM Thread Starter
 
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Re: Welders - question about bottle orientation

All right, I looked it over again and think I have it figured out for an upright configuration. I will run the CO2/Argon mix. It's what I have experience with and it produces such pretty welds. Now I just need to modify that stand a little bit..............

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