procurement of spares of metachem make ammonia / hydrazine dosing pumps model no. mc-2rl installed in unit no. 1 and 2 at 2x600mw, sstpp, mppgcl, dongalia procurement of spares of metachem make ammonia / hydrazine dosing pumps model no. mc-2rl installed in unit no. 1 and 2 at 2x600mw, sstpp, mppgcl, dongalia , spares of tri sodium phosphate dosing pump, model no.-mc-4rl, sr.no.-6799 , housing ( 45-pa-01 ) , bracket ( 45-pa-02 ) , drive shaft ( 45-pa-04 ) , spacer ( 45-pa-05 ) , worm wheel ( 45-pa-06 ) , worm shaft ( 45-pa-07 ) , end cover ( d.s. ) ( 45-pa-08 ) , end cover ( n.d.s. ) ( 45-pa-09 ) , shaft cover ( 45-pa-10 ) , back cover ( 45-pa-11 ) , crank ( 45-pa-12 ) , eccentric ( 45-pa-13 ) , guide pin ( 45-pa-14 ) , connecting rod ( 45-pa-15 ) , thrust ring ( 45-pa-18 ) , control shaft ( 45-pa-21 ) , bearing retainer ( 45-pa-30 ) , crank washer ( 45-pa-31 ) , retainer washer ( 45-pa-32 ) , gasket set ( 45-pa-gt-01-05 ) consists of: a to g , grub screw for lock nut ( 45-pa-gs-01 ) , grub screw for end cover d.s. ( 45-pa-gs-02 ) , grub screw for end cover n.d.s. ( 45-pa-gs-02 ) , grub screw for control wheel ( 45-pa-gs-03 ) ( use only mc-3 ) , grub screw for bottom flange ( 45-pa-gs-04 ) , cap screw for bearing retainer ( 45-pa-cs-01 ) , cap screw for crank ( 45-pa-cs-02 ) , oil level indicator ( 45-pa-oli-01 ) , drain plug ( 45-pa-dp-01 ) , spring dowel pin ( 45-pa-sdp-01 ) , circlip for cross head pin ( 45-pa-crp-01 ) , drive shaft bearing - 6222 ( 45-pa-bb -01 ) , crank bearing - 6206 ( 45-pa-bb -02 ) , oil seal for end cover ( 45-pa-os-01 ) , oil seal for bracket ( 45-pa-os-02 ) , parallel key for worm shaft ( 45-pa-pk-01 ) , gland nut ( 45-pb-gn-01 ) , plunger ( 45-pb-pl-01 ) , valve assembly ( 45-pb-va-01 ) , plunger ring ( 45-pb-pr-01 ) , gland packing ( 45-pb-gp-01 ) , plunger guard ( 45-pb-pg-01 ) , screw for plunger guard ( 45-pb-spg-01 ) , spares of hydrazine / ammonia dosing pump, model no.-mc-2rl, sr.no.-5987 , housing ( 25-pa-01 ) , drive shaft ( 25-pa-04 ) , worm wheel ( 25-pa-06 ) , worm shaft ( 25-pa-07 ) , end cover ( d.s. ) ( 25-pa-08 ) , end cover ( n.d.s. ) ( 25-pa-09 ) , shaft cover ( 25-pa-10 ) , crank ( 25-pa-12 ) , guide pin ( 25-pa-14 ) , connecting rod ( 25-pa-15 ) , cross head ( 25-pa-16 ) , cross head pin ( 25-pa-17 ) , thrust ring ( 25-pa-18 ) , control shaft ( 25-pa-21 ) , lock nut ( 25-pa-23 ) , lock nut ( 25-pa-23 rl ) , bearing retainer ( 25-pa-30 ) , crank washer ( 25-pa-31 ) , retainer washer ( 25-pa-32 ) , gasket set ( 25-pa-gt-01-05 ) : consists of a to f , grub screw for end cover ( d.s. ) ( 25-pa-gs-01 ) , grub screw for end cover ( n.d.s. ) ( 25-pa-gs-01 ) , grub screw for bottom flange ( 25-pa-gs-01 ) , grub screw for cross head ( 25-pa-gs-01 ) , grub screw for lock nut ( 25-pa-gs-01 ) , cap screw for crank ( 25-pa-cs-01 ) , cap screw for bearing retainer ( 25-pa-cs-02 ) , oil level indicator ( 25-pa-oli-01 ) , spring dowel pin ( 25-pa-sdp-01 ) , drive shaft bearing ( 25-pa-bb-01 ) , crank bearing ( 25-pa-bb-02 ) - 6000 , worm shaft bearing ( 25-pa-trb-01 ) , oil seal for end cover ( 25-pa-os-01 ) , oil seal for bracket ( 25-pa-os-02 ) , parallel key for worm shaft ( 25-pa-pk-01 ) , gland nut ( 25-pb-gn-01 ) , plunger ( 25-pb-pl-01 ) , plunger ring ( 25-pb-pr-01 ) , gland packing ( 25-pb-gp-01 )