The Valve cladding welding is for the valve anti-wear.

 Valve cladding welding

FULLY AUTOMATED PLASMA TRANSFERRED ARC POWDER DEPOSITION FOR WEAR AND CORROSION RESISTANT OVERLAYING NEEDS – AN OVERVIEW

Plasma Arc welding applications……..

nMetal cuttingnWelding (key hole square butt welding)nMicro plasma welding (for thin sheets)nWeld overlayingnPlasma heat treatment (plasma nitriding, heating)nPlasma metal sprayingmetal sprayingThe parts are stainless steel Pump rings and shaft sleeves, Feed screws, shafts, Ball valves, Plug valves,