procurement of critical spares of wpil make recovery water pumps installed at 2x600mw unit no . 1 and 2 , sstpp , mppgcl , dongalia . , model no . f20tc , ga drawing nos . sk-8640-bdrawing no . sk-8671-c , cap : 1700 m3/hrdynamic head : 57 . 8 mwcno . of stages: 2 , rated rpm: 1488motor rating : 370kw , cutless bush ( s/bell ) moc: bronze+nitril rub , impeller seal ring moc: cf 8m , thrust ring retainer moc: ss410 , thrust ring moc: ss410 , parallel key moc : ss410 , cutless bush ( i/bowl ) moc: bronze+nitril rub , cutless bush moc: bronze+nitril rub , pump shaft moc : ss410 , shaft coupling moc : ss410 , tube moc: astm a53sch 40 , tube moc: astm a53sch 40 , screw bush comb . c/l bush moc: bronze+nitril rub , line shaft ( bottom ) moc: en8/c-40 , line shaft moc: en8/c-40 , shaft coupling moc : ss410 , bush retainer moc: cs , a216 , tube stabilizer moc: neoprene rubber , line shaft ( bottom head shaft ) moc : ss410 , t . t nipple moc: ss410 , bush ( p/box ) moc : ltb6 ( brz ) , deflector moc: neoprene rubber , shaft coupling moc : ss410 , head shaft moc : ss410 , adjusting nut moc: en8/c-40