tender for procurement of carb clad coated seat and disc (gate) of 3-inch equalizer valve and mhv of ahp at 2x660 mw, sstpp, mppgcl, dongalia.-- 1 set of carb clad coated seat and disc(gate) for equalizer valves(as per indure drg no.-i-5036-m-eq-sm-26 & assy. no. – a-113) as per technical specification1. micro hardness:>1100hvn carb coat2. carb clad coat >500um on functional surfaces3. geometrical dimensional tolerances as per oem specification4. base material-valve seat (moc-alloy cs-250 bhn min)5. base material-valve gate/disc (moc-min 10mm thick, ss- 300-350 bhn min)6. slide gate/disc (moc-min.10mm thk, ss*,300-350 bhn) ss grade 4207. severs abrasion & erosion resistance8. assured service life: 12 months 9. ss grade 420(01 set=02 seat + 01 disc/gate) 2 set of carb clad coated seat and disc(gate) for material handing valve (mhv) (as per induredrg no.-i-5036-m-eq-sm-15) assy. no.-a-102x-pr/a-102x-pl)as per technical specification of mhv 1. micro hardness:>1100hvn carb coat.2. carb clad coat>500um on functional surfaces 3. geometrical dimensional tolerances as per oem specification 4. base material-h&t grade steel (moc-alloy cs-250 bhn min5. slide gate/disc (moc-min.10mm thk, ss*,300-350 bhn) ss grade 4206. seat: h&t grade steel (moc-alloy cs-250 bhn min)7. severs abrasion & erosion resistance 8. assured service life: 12 months(01 set=01 seat + 01 disc/gate)