procurement of spares of various hp valves and nrvs of tg side of make bhel for unit no . 10 , 11 , ph-iv , stps , sarni , bfp discharge valve ( tag no . fd-4 ) , wedge-v329 , stem do . start- v330 , sleeve do . start , gasket ( graf oil ) -v329 , packing ring- grafoil- r271 , packing- ring ( bull ring ) -0s55 , hp heater inlet / outlet valve , wedge-v353 , stem tr . startv353 , sleeve tr . startv353 , packing ring grafoilw006 , packingring ( bull ring ) -0080 , booster pump suction valve , wedge ( flexible ) - n057 , stem-n362 , yoke bush- n057 , gasket-sw- grp-10 , packing ring 10c150gv , 8c 300gv , bull ring10c150gv , 8c 300gv , air sucn from condenser isolating valve , wedge ( flexible ) - n001 , stem ( sp ind ) -n204 , yoke bush-6 c150 gv , gasket-sw- grp-6 , packing ring 6c150gv , 4c6 00gv , bull ring- 6c150gv , 4c6 00gv , air sucn line to vaccum pump , wedge ( flexible ) - n567 , stem-n392 , yoke bush- n041-12- c150-gv , gasket-sw- grp-12 , packing ring 12c150gv , 6c 600gv , bull ring- 12c150gv , 6c 600gv , aux steam to d / a pegg . u / s of cv as -2 , wedge assy ( flexib le ) -n448 , stem-n399 , gasket-swgrpod 305xid284 x4 . 5t-n089 , packing ring 10c150gv , 8c 300gv , adaptor 1 . 3754acmek951 , bull ring10c150gv , 8c 300gv , aux steam to d / a pegg . d / s of cv as-2 , wedge assy 16-c300-wcb , gasket-swgrpod517xid476 x4 . 5t-n964 , stem-n436 , packing ring 18c150gv , 16 c300gv , bull ring16c300gv , 10 c600gv , 18c1 50gv , sleeve-n436 , nut -m20 - 2h , aux steam to d / a pegg . bypass of cv as-2 , reg . disc assy-2692 , stem-2899 , gasket-swgrpod271xid257 x3 . 2t-2925 , packing ring 8c300rvsv , adaptor- p261 , bull ring- 8c300rvsv , main steam to hc aux . prds cv as-10 u / s isln , disc-w015 , stem do . start- w378 , sleeve do . start- w982 , soft iron gasket-w013 , packing ( grafoil ) - w003 , packing- ring ( bull ring ) -0052 , main steam to hc aux . prds cv as-10 d / s isln , wedge-v348 , stem-v348 , sleeve , gasket ( graf hite ) -v345 , packing ring- grafoil- v161 , packing ring ( bull ring ) -v161 , crh steam to lc aux prv as-16 d / s isln , wedge-f504 , stem-f514 , yoke bush- f504 , gasket-sw- grp- od258xid238 x4 . 5t-f504 , packing ring 12c150gv , 6c 600gv , bull ring- 12c150gv , 6c 600gv , ht aux steam to dea pegging line isln , wedge assy ( flexib le ) -n448 , stem ( sp ind ) -n329 , yoke bush- n089-8-300- gv , gasket-sw- grp- od305xid284 x4 . 5t-n089 , packing ring 10c150gv , 8c 300gv , bull ring- 10c150gv , 8c 300gv , low temp header i / l isolation valve , wedge assy [ flexib le ] -n235 , stem-n588 , gasket-sw- grp- od372xid345 x4 . 5t-n065 , packing ring 10c300gv , 12 c300- 8c600gv , adaptor1 . 62 5-4tpi- auma-n346 , bull ring- 14c150g , 10c 300g , 12c300 g , 8c600g , to scaph , wedge assy ( flexib le ) -n448 , stem ( sp ind ) -n329 , yoke bush- n089-8-300- gv , gasket-sw- grp- od305xid284 x4 . 5t-n089 , packing ring 10c150gv , 8c 300gv , bull ring- 10c150gv , 8c 300gv , to tank heating and steam tracing , wedge assy ( flexible ) - n251 , stem ( sp ind ) -k848 , yoke bush-4 c150 gv , gasket-sw- grp- od189xid171 x4 . 5t-n097 , packing ring 4c150 / 300gv , bull ring- 4c150 / 300gv , main steam to hc aux prds as-10 bypass , disc-w068 , stem-w164 , sleeve-w188 , gasket ( graf oil ) -w401 , gl pack ring grafoil- k219 , packing- ring ( bull ring ) -0044 , ht aux stm hdr to unit-2 station header , wedge assy [ flexib le ] -n235 , stem-n588 , gasket-sw- grp- od372xid345 x4 . 5t-n065 , packing ring 10c300gv , 12 c300- 8c600gv , adaptor1 . 62 5-4tpi- auma-n346 , bull ring- 14c150g , 10c 300g , 12c300 g , 8c600g , aux stm hdr to lt station header , wedge assy ( flexib le ) -n448 , stem-n399 , gasket-sw- grp- od305xid284 x4 . 5t-n089 , packing ring 10c150gv , 8c 300gv , adaptor 1 . 3754acme- k951 , bull ring- 10c150gv , 8c 300gv , lt station hdr to interconnection with existing unit , wedge assy ( flexib le ) -n448 , stem ( sp ind ) -n329 , yoke bush- n089-8-300- gv , gasket-sw- grp- od305xid284 x4 . 5t-n089 , packing ring 10c150gv , 8c 300gv , bull ring- 10c150gv , 8c 300gv , cep discharge isolation , wedge assy [ flexib le ] -n235 , stem-n588 , gasket-sw- grp- od372xid345 x4 . 5t-n065 , packing ring 10c300gv , 12 c300- 8c600gv , adaptor1 . 62 5-4tpi- auma-n346 , bull ring- 14c150g , 10c 300g , 12c300 g , 8c600g , gsc inlet isol , wedge assy ( flexible ) - n105 , gasket-sw- grp- od439xid411 x4 . 5t-n105 , packing ring 10c300gv , 12 c300- 8c600gv , adaptor- n105 , nut -m20 - 2h , bull ring- 14c150g , 10c 300g , 12c300 g , 8c600g , main condensate cv cd-14 u / s isol , wedge assy ( flexible ) - n105 , stem-n105 , gasket-sw- grp- od439xid411 x4 . 5t-n105 , packing ring 10c300gv , 12 c300- 8c600gv , adaptor1 . 62 5-4tpi- auma-n433 , bull ring- 14c150g , 10c 300g , 12c300 g , 8c600g , nut -m20 - 2h , bfp discharge nrv , disc-l180 , nut-l140 , soft iron gasket ( si . p l . ) -l178 , soft iron gasket-l178 , nut -m20 - 2h , nut -m22 - 2h-0001-h18 , aux steam to d / a pegging nrv , flap a105- z022 , disc nut- l705 , gasket-si- 14 / 16 / 18c30 0 / 300sp , 20 / 24c150fv , gasket-sw- grp- od514xid462 x4 . 5t-z022 , nut -m30x3 -2h-0008- h30 , aux steam to d / a ini . heating nrv , flap-z017 , gasket-si- 8c150 / 300 / 3 00spl , 10 / 12c300 fv , gasket-sw- grp- od372xid345 x4 . 5t-n065 , main steam to hc prds d / s desh-1 , flap-z018 , gasket-si- 8c150 / 300 / 3 00spl , 10 / 12c300 fv , gasket-sw- grp- od426xid402 x4 . 5t-u085 , crh steam to lc prds d / s nrv , flap-5151 , gasket-si- 4 / 6c150 / 300 , 5c150 / 300 , 8c600fv , gasket-sw- grp- od252 . 2xid2 32x3 . 2t- 5188 , nut -m20 - 2h , low temp header nrv d / s lt desuperheater , flap-z017 , gasket-si- 8c150 / 300 / 3 00spl , 10 / 12c300 fv , gasket-sw- grp- od372xid345 x4 . 5t-n065 , cep discharge nrv , flap-z017 , gasket-si- 8c150 / 300 / 3 00spl , 10 / 12c300 fv , gasket-sw- grp- od372xid345 x4 . 5t-n065