I have a spare argon regulator for my Divesion 165 TIG welder. The outlet barb on the original one (which also contains the orifice) was damaged when I received the welder. The flats on the barb were buggered by using too large a wrench - never did find out why the barb was removed from the regulator. When I called Miller and asked for a replacement barb they sent me the whole regulator. The original one worked fine after I reinstalled the buggered barb thus I have a spare regulator. And my question(s)...
Can I use the spare regulator for Helium? If so, how far off will the calibration be? I know that flow meters have different scales for argon and helium. Can I get a helium calibrated orifice and/or gauge?
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