procurement of spares for mil make re-heater block valves first second stage attemperation control valves reheater attemperation control valves frs line control valves for unit no 1 and 2 of ph i at sgtps mppgcl birsinghpur , mil make re-heater block valve without actuator tag no. at-22 / model no. 38-414x1 class-1500 / size-3 / act size-18 / cv-90 / sl. no. 221217/ 221218 , re-heater block valve without actuator , 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 , body gasket , plug & stem , seat ring , cage , 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 , body gasket , seat gasket , gland packing set , plug & stem , seat ring , cage , tec. seal ring with o ring , 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 , seat gasket , plug & stem , cage , tec. seal ring with o ring , 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 , body gasket , seat gasket , gland packing set , plug & stem , seat ring , tec. seal ring with o ring , flat spring , 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 , plug & stem