Join Date: Nov 2000
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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.