The PW 3000 plasma welding control unit is a compact, portable control unit for plasma welding of stainless steel, titanium and other high-alloy materials. The unit is intended for manual or mechanised welding in plate thicknesses from 0.7 to 8 mm. It is easy to operate and service thanks to its modular design and clear presetting possibilities. The PW 3000 has a current potentiometer, three gas flow meters for pilot gas, plasma gas, shielding gas and backing gas, a digital A-meter, start and stop switches with indicator lamps and all necessary connections or power, water and gas supply. The PW 3000 has a mixing gas valve for active gas in the plasma arc.