procurements of set of carb clad coated seat and disc ( gate ) for 300 x150 type e material handling valve ( mhv ) ( as per indure drg no- i-5036-m-eq-sm-15 ) of ahp of 2x660 mw, sstpp, mppgcl, dongalia procurements of set of carb clad coated seat and disc ( gate ) for 300 x150 type e material handling valve ( mhv ) ( as per indure drg no- i-5036-m-eq-sm-15 ) of ahp of 2x660 mw, sstpp, mppgcl, dongalia , set of carb clad coated seat and disc ( gate ) for material handing valve ( mhv ) as per indure drg no- i-5036-m-eq-sm-15 , assy number 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 min 5. slide gate / disc ( moc-min.10mm thk, ss*, 300-350 bhn ) ss grade 420 6.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 )