procurement of spares for wpil make cw pumps ( model - vt-44-68 ) installed for 2x 600 mw, unit 1 and 2, sstpp, mppgcl, dongalia procurement of spares for wpil make cw pumps ( model - vt-44-68 ) installed for 2x 600 mw, unit 1 and 2, sstpp, mppgcl, dongalia , impeller key sl. no. as per drawing: 10 , shaft coupling sl. no. as per drawing: 18 , flexible coupling assembly sl. no. as per drawing: 40 , adjusting nut sl. no. as per drawing: 39 , locating nut sl. no. as per drawing: 43 , packing box sl. no. as per drawing: 33 , line shaft bush sl. no. as per drawing: 24 , cutless bearing ( d / bowl ) sl. no. as per drawing: 15 , suction bell bush sl. no. as per drawing: 4 , gasket sl. no. as per drawing: 16b , gasket sl. no. as per drawing: 33c , gasket sl. no. as per drawing: 27a , gasket sl. no. as per drawing: 25a , guide bush , cooling coil , fastner