tender for supply of emitting electrode and other esp spares for (6x250 mw) esp stage i,ii,iii & iv at stps suratgarh , item description , emitting electrode spiral type with hook,138h nom,matl uhb 904l/2rk66 , shaft end-d50 for cerm , shaft d.50 l-3590 for cerm , shaft d-50 l-4790 for cerm , shaft d-50 l-4385 for cerm , shaft d-50 l-4085 for cerm , set ring , clutch & coupling for ce rapping shaft , shaft insulator , pin wheel-i(big) , shaft-i assy. d-40 for eerm(emitting electrode rapping system) , shaft-ii, d40 for eerm , shaft-iii, d40 for eerm , shaft i b.bar. d-50 l-4020 , shaft ii b.bar. d-50 l-4490 , shaft iii b.bar. d-50 l-4250 , skf 1211k bearing assy. for eerm vertical drive , carbon bush , pad for eerm (item no-08 drg. no:-1-78-216-00637) , packing box eerm ,item 03, drg. 1-78-217-00660 , cover for eerm , thrust bearing for ee rapping system , shock bar guide uea 75x50x6; l-1498 , pin insulator (fixed) for hvdc on/off switch , pin insulator (moving) for hvdc on/off switch , connecting screw for copper tube at hvr/dc switch(var-01) , copper tube 3/8 for hvdc on/ off switch , shock bar , screen tube (item no. 19 drg.no.1-78-216-00637) , shaft (item no -08 drg no:-1-78-217-00660)