procurement of spares of governing system of bhel make kwu turbine for aoh of 1x500 unit no. 5, sgtps, birsinghpur. , ip turbine test valve block spares i.e. main liner , valve block assembly , seal ring item no. 21 , seal ring item no. 22 , seal ring item no. 46 , compression spring , sub total ( 2 ) , pre control valve hpcv servomotor , o-ring item no. 78 , o-ring item no. 82 , liner , omega seal ring , o-ring item no. 81 , o ring item no. 79 , sealing ring a 6x10 , sealing ring a 21x28 , sub total ( 3 ) , ip control valve servomotor , seal ring item no. 105 , seal ring item no. 104 , seal ring item no. 103 , seal ring item no. 93 , seal ring item no. 102 , seal ring item no. 96 , seal ring item no. 98 , sub total ( 4 ) , iv servomotor , seal ring item no. 31 , seal ring item no. 29 , o-ring ( 53x3.5mm ) , sub total ( 5 ) , low vacuum trip assembly , seal ring ( special ) item no. 52 , seal ring ( special ) item no. 12 , seal ringitem no. 41 , seal ringitem no. 42 , seal ring item no. 43 , seal ring item no. 44 , seal ring item no. 45 , compression spring item no. 35 , compression spring item no. 36 , sub total ( 6 ) , esv servomotor , o ring sizeitem no. 28 , o ring sizeitem no. 29 , seal ring , sub total ( 7 ) , hpcv servomotor spare , o ring , seal ring item no. 102 , seal ring item no. 103 , seal ring item no. 104 , sub total ( 8 ) , pressure control for ipcv servomotor , o-ring item no. 83 , o-ring item no. 76 , o-ring item no. 78 , o-ring item no. 77 , omega seal ring item no. 74 , omega seal ring item no. 73 , thrust ball bearing , pilot valve assembly , sub total ( 9 ) , pre control valve lpbpcv servomotor , o-ring , pilot , thrust bearing , sub total ( 10 ) , pilot valve for nrv ( crh line ) spares , liner , thrust bearing , compression spring , sub total ( 11 ) , servomotor for nrv on crh line , seal ring , o ring , sub total ( 12 ) , grand total ( 1+2+3+4+5+6+7+8+9+10+11+12 )