tender for procurement of carb clad coated seat and gate/disc of material handling vale and equalizer valve for ahp, 2x 600 mw units, sstpp, mppgcl, dongalia , material handling valve seat and valve disc (1 set = 1 seat and 01 disc)• micro hardness 1100 hvn of carb clad coat.• carb clad coat 500?m on functional surface.• geometrical dimensional tolerance as per oem specs.• base material-valve seat moc-alloy ci-250bhn min.• slide gate/disc (moc-alloy-ss bhn-300-350 min)• ++ severe abrasion and erosion resistance , carb clad coated set of slide gate (disc) and seat for equalizer valve (one set consists of 01 no disc and 02 no. seats)