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Gas routing on Tig/Plasma

SanderWissing

Plastic
Joined
Mar 14, 2021
Hi all,

After many years' lurking..

I recently acquired an older tig welder / plasma cutter combo machine. The machine is a Mitech Super 200P and let just not say anything about the user manual! Anyway, trying to figure out how to attach the argon line to the welder. I have an air regulator filter unit screwed to the back of the machine and it looks like the argon gas also connects to the same fitting. With a set of valves you can then open either the air or the argon (or both..) and the gas then enters the machine through the same port on the back. I was expecting a separate argon inlet on the back, so the question is is this normal?

Thanks!
Sander

Have tig welder = can tig weld (no not really...)
 








 
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