procurement of spares for water ring vacuum pump mechanical exhauster model size 200 for ahp of unit no 1 to 4 of ph i and ii sgtps mppgcl birsinghpur , rotorwith shaft assembly . moc: impeller-sg iron, shaft: en24, with ss410ht shaft sleeve , duly dynamically balanced as per iso1940-1973 ( e ) class g 6. , casingmoc:cifg 260 as per is 210 , casing cover made of ci fg 260 forde , casing cover made of cifg 260 fornde , control cone made of cifg 260for de , control cone made of ci fg 260for nde , set of gasket packing , set of gland packing , set of stuffing box gland ( 1set = 2 nos ) , bearing cover ( 1 set=4 nos. ) , pump pulley , vacuum pump motor pulley , bearing bracket ( 1 set=2nos. )