Welding gas welder Regulator oxy For victor torch cutting kits CGA 540 Features: This handy regulator easily replaces the worn out regulator in your welding kit! An ideal item to have on hand For any welder, the regulator displays accurate pressure and includes 2" diameter gauges. Inlet: 0-4000 PSI· 2 diameter gauges Inlet thread: CGA 540 female Outlet pressure: 0-100 PSI