procurement of spares of drain pump of vaccum pump house and ash slurry pump house of ash handling system of 210 mw atps mppgcl chachai. procurement of spares of drain pump of vaccum pump house and ash slurry pump house of ash handling system of 210 mw atps mppgcl chachai. , spares for drain pump ( model no.65qv sp ) of vacuum pump house & ash slurry pump house of ash handling system of 1x210 mw, unitatps, mppgcl, chachai , shaft , labyrinth lock nut , labyrinth , end cover gasket , end cover ( lower ) , shaft key , piston ring , labyrinth lock washer , end cover set screw , end cover , bearing housing , bearing sleeve , end cover o ring 351152n258 , shaft sleeve , bearing seal , flinger , spacer set , back liner seal , casing , back liner , stainer , impeller o ring , impeller astm a532type-a class-iii , intake joint