procurement of spares for mil make re heater block valves first stage attemperation control valves re heater attemperation control valves frs line control valves bas line control valves for unit no 1 and 2 2x210 mw of ph i at sgtps mppgcl brs , spares for mil make re-heater block valve tag no. at-22 / model no. 38-414x1 class-2500 / size-3 / act size-18 / cv-90 / sl. no. 221217 / 221218 , body gasket , seat gasket , gland packing set , seal ring set , seat ring , cage , spares for mil make first stage attemperation control valve tag no. sha-2 & 3 / model no. 38-41521 / class-2500 / size-4 / act size-18 / cv-56 / sl. no. 920303 / 920304 & 254398 / 254399 , gland packing set , body gasket , seat gasket , seat ring , seal ring d-3 , flat spring , spares for mil make second stage attemperation control valve tag no. sha-4 & 5 / model no. 38-91212 / class-2500 / size-2 / act size-15 / cv-10 / sl. no. 117754 , gland packing set , body gasket , seat gasket , seat ring , tech seal ring with o ring , cage , spares for mil make re-heater attemperation control valve tag no. rha-03 / model no. 38-91221 / class-2500 / size-2 / act size-18 / cv-4 / sl. no. 273393 / 273394 / 290959 / 290960 , body gasket , tech seal ring o ring , seat gasket , seat ring , gland packing set , spares for mil make frs line control valves tag no. bfd-11 / model no. 38-41521 / class-2500 / size-6*4 / act size-18 / cv-155 / sl. no. 911931 / 920405 , gland packing set , seal ring d-3 , spares for mil make frs line control valves tag no. bfd-8 & 14 / model no. 381-41521 / class-2500 / size-12*8 / act size-18 / cv-575 / sl. no. 911929 / 911930 / 920493 / 920494 , gland packing set , spares for mil make bas line control valves tag no. bas-6 sl. no. 285507 & 29089 , gland packing set , seal ring , flat spring , seat gasket , spares for mil make bas line control valves tag no. bas-3 sl. no. 290157 & 290158 , gland packing set , seal ring set , body gasket , seat gasket , plug & steam , flat spring ( moc inconel )