Harris Two Stage Ultra High Purity Brass Barstock Regulator Model 721C-015-320-BE - 721C015320BE 5356 Even if your Viking 2450

Even if your Viking 2450 or 3350 helmet is just fine

and supporting power source and wire feeder components

ER316LSi for stainless

Lincoln OEM GASKET S28179 - 9SS28179

Harris Two Stage Ultra High Purity Brass Barstock Regulator Model 721C-015-320-BE - 721C015320BE 5356 Even if your Viking 2450Harris Two Stage Ultra High Purity Brass Barstock Regulator Model 721C 015 320 BE 721C015320BE Features 1 11 16" 316L Stainless Steel diaphragm eliminates contamination from diffusion or outgassing One piece encapsulated seat design with 10 micron sintered internal filter to protect the PTFE Teflon seat from particulate contamination External relief valve is standard Brass Barstock body, bonnet and fittings 2 dual scale Brass Barstock gauges (psi bar)