procurement of spares for caustic and acid dosing pumps installed at cpu ( make - milton roy model 115 a ) at 2x660 mw , sstpp , dongalia , drive end ( model 115a , common for sr . no . 1025 , 1026 , 1027 , 1028 ) , stroke adjustment kob with handle , grub screw m 8x 12 ( ht ) , adjustment scale , cover , o ring 110 . 72 x 3 . 53 , grub screw m 10x 35 ( ht ) , o ring 29 . 5 x 3 . 6 , adjustment screw , stroke locking knob assembly , o ring lock knob ( 9 . 3 x 12 . 8 ) , lock bolt stopper , allen cap screw m 12 x 30 ( ht ) , housing , oil filling piug , oil level indicator , gear bearing with o ring , worm shaft 1/10 , worm gear 1/10 , dowel pin , connecting rod , grub screw m 6 x 16 ( ht ) , sliding crank assembly , slider round , adjuster , key 10 x 8 x 40 , gear support , drain plug 3/4 bsp , o ring 139 x 3 . 53 , allen cap screw m 12 x 30 ( ht ) , oil seal ( 30 x 62 x 7 ) , parallel key ( 6 x 6 x 25 ) , allen cap screw m 6 x 16 ( ht ) , coupling with grub screw , hex bolt m 10 x 25 ss , allen cap screw m 12x25 ( ht ) , hex bolt m 12 x 30 ss , bottom cap assembly , o ring 66 . 34 x 2 . 62 , key 8 x 7 x 40 , phl drive end seal kit , liquid end model phl-115a in pp ( serial no . 1025 & 1026 ) , piston , piston seal , adaptor with o ring , o ring 164 . 5 x 3 , o ring 134 . 5 x 3 , hex bolt m 12 x 40 , allen bolt m 16 x 40 , contour plate with o ring , o ring 274 x 3 , head 266 in pp , diaphragm hpd 266 , valve adaptor in pvc , ball guide pp , ball seat pvc , ball 40 mm , retainer plate for pp head , o ring 59 . 9 x 3 . 53 , hex bolt m12 x 100 with spring washer for pp head , hex bolt m16 x 175 with plain washer , spring washer , nut for pp head , stud m 16 with plain washer , spring washer & 2 nuts , displacement chamber , mars valve assembly , o ring 69 . 22 x 5 . 33 , back up plate , relief valve assembly hpd 266 , le seal kit pp le , liquid end model phl-115a in ss 316 ( serial no . 1027 & 1028 ) , piston , piston seal , adaptor with o ring , o ring 164 . 5 x 3 , o ring 134 . 5 x 3 , hex bolt m 12 x 40 , allen bolt m 16 x 40 , contour plate hpd 266 with o ring , o ring 274 x 3 , head hpd 266 in ss 316 , diaphragm hpd 266 , valve adaptor in ss , ball guide ss , ball seat pvc , ball 40 mm in ss , retainer plate for ss head , gasket , hex bolt m12 x 80 with spring washer for ss head , hex bolt m16 x 100 ss with spring washer , plain washer & nut for ss head with plain washer , hex bolt m16 x 160 ss with spring washer , plain washer & nut for ss head with plain washer , displacement chamber hpd 266 , mars valve assembly , o ring 69 . 22 x 5 . 33 , relief valve assembly hpd 266 , le seal kit pp le