procurement of spares of acid , alkali , ferrous chloride and polly electrolyte dosing pump installed at etp ( tmd-os ) at 2x660 mw units , dongalia , dist khandwa . , model no . 1125/16 , sr . no . hd-17-a-21202 ( power end ) , pump casing , inspection cover , casing cover holding pin , breather plug , oil level window , drain plug , bracket holding pin , cross head , cross head key , cross head oil seal ( l ) , cross head oil seal ( ll ) , cross head guide , cross head guide pin , cross head guide o ring , cross head seat , cross head trunion , connecting rod , eccentre trunion , trunion setting g . screw , connecting rod dis . piece , cross head guide circlip , eccenter , eccenter seat , eccenter lock nut , worm wheel , worm wheel key , worm shaft , worm shaft oil seal , worm shaft key , wel housing , adjuster cover , adjuster cover pin , side cover , side cover pin , protection cover , screw housing , stroke adjusting assembly ( ele act ) , slide , slide seat , slide trunion , slide cover flat ( 1 set = 2 nos . ) , slide cover flat pin , end cover o ring , screw , dome nut , model no . 1125/16 , sr . no . hd-17-a-21202 ( liquid end ) , liquid end plate , liquid end plate holding pin , hydraulic plate , diaphragm , suction valve retainer , discharge valve retainer , suction connection , suction adaptor , discharge connection , discharge adaptor , oil relief valve assembly , oil refil valve assembly , liner , liner o ring , piston , piston seal o ring , liner holding pin , model no . wd-1750/50 , sr . no . hd-17-a-21195 ( power end ) , pump casing , inspection cover , casing cover holding pin , breather plug , oil level window , drain plug , bracket holding pin , cross head , cross head key , cross head oil seal ( l ) , cross head oil seal ( ll ) , cross head guide , cross head guide pin , cross head guide o ring , cross head seat , cross head trunion , connecting rod , eccenter trunion , trunion setting g . screw , connecting rod dis . piece , cross head guide circlip , eccenter , eccenter seat , eccenter lock nut , worm wheel , worm wheel key , worm shaft , worm shaft oil seal , worm shaft key , wel housing , adjuster cover , adjuster cover pin , side cover , side cover pin , protection cover , screw housing , stroke adjusting assembly ( ele act ) , slide , slide seat , slide trunion , slide cover flat ( 1 set = 2 nos . ) , slide cover flat pin , end cover o ring , screw , dome nut , model no . wd-1750/50 , sr . no . hd-17-a-21195 ( liquid end ) , liquid end plate , liquid end plate holding pin , hydraulic plate , diaphragm , suction valve retainer , discharge valve retainer , suction connection , suction adaptor , discharge connection , discharge adaptor , oil relief valve assembly , oil refil valve assembly , liner , liner o ring , piston , piston seal o ring , liner holding pin