procurement of ksb mil make sh attemperation, rh attemperation and steam coil air-preheater control valve spares for boiler unit 1 and 2, at stage-i, sstpp, mppgcl, dongalia procurement of ksb mil make sh attemperation, rh attemperation and steam coil air-preheater control valve spares for boiler unit 1 and 2, at stage-i, sstpp, mppgcl, dongalia , superheater spray station block valve [ tag no. sd-1, s.n. 118265, model no. 414x1, 8, ansi#2500, cv-425, act size: 16 double acting+hw , gland packing set , body gasket , seat gasket , plug stem s / a , seat ring , cage , seal ring , tec ring gasket with backup ring , flat spring , body stud & nut set ( 1 set consists of 8 number ) , superheater spray station control valve [ tag no. ( sd-2, 3, 4 &5 ) , s.n.- 118267 to 118274, 38-414x1, 6, ansi#2500, cv-260, act size:18-8a ] , gland packing set , body gasket , seat gasket , plug stem s / a , seat ring , cage , seal ring , yoke gasket , body stud & nut set ( 1 set consists of 8 number ) , superheater spray station control valve [ tag no. ( sd-6, 7, 8, 9 ) , s.n. 118280, 38-41421, 4, ansi#2500, cv-140, act size:18-8a ] , gland packing set , body gasket , seat gasket , plug stem s / a , seat ring , cage , seal ring , flat spring , yoke gasket , body stud & nut set ( 1 set consists of 8 number ) , reheater spray station control valve [ tag no. ( sd-11, 12, 13 &14 ) , 38-412x1, s.n. 118289, 2, ansi#1500, cv-40, act size:13-6a2 ] , gland packing set , body gasket , seat gasket , plug stem s / a , seat ring , seal ring ( set ) , cage , yoke gasket , body stud & nut set ( 1 set consists of 8 number ) , reheater spray station control valve [ tag no. ( sd-15, 16, 17&18 ) , 38-41121, s.n. 118299, 2, ansi#1500, cv-12, act size:15-6a3 ] , gland packing set , body gasket , seat gasket , plug stem s / a , seat ring , cage , yoke gasket , body stud & nut set ( 1 set consists of 8 number ) , reheater spray station blockvalve [ tag no. ( sd-10 ) , s, n, 118283, 38-414x1, 3, ansi#1500, cv-95, act size:18-8a ] , gland packing set , body gasket , seat gasket , plug stem s / a , seat ring , cage , seal ring , yoke gasket , body stud & nut set ( 1 set consists of 8 number ) , steam coil air pre-heater ( scaph ) station control valve [ tag no. aasu-11, s.n. 124029, 38-41921, 8, asme-300, end-asme 300 bw, cv-400, act size:186a3 ] , gland packing set , body gasket , seat gasket , plug stem s / a , seat ring , flat spring , seal ring ( set ) , yoke gasket , cage , body stud & nut set ( 1 set consists of 8 number )