procurement of spares for ksb mil make control valve installed in the boiler area of unit #4 of 2x660mw sstpp, stage-ii mppgcl, dongalia. (as per the schedule) , spare parts for control valve sl. no. 164141/164145,mil piston cylinder-68-41441,size 4,asme#2500 spl class, cv-56,act size: 16 double acting +hw (primary and secondary sh spray valve) tag no. 03lae01aa702/03lae01aa712 , gland packing set , body gasket , seat gasket , plug stem s/a , seat ring , seal ring , flat spring , spare parts for control valve sl. no. 164149 to 164152,model no. 38-41111, size 2,asme#1500, cv-8, act size: 13-6a2 (rh-spray control valve) tag no.03/04laf01aa701 , gland packing set , plug stem s/a , seat ring , spare parts for control valve sl. no. 164493,model no. 38-41432,size 4,asme#600, cv-195,act size: 18-6a3 (sb team pcv from crh) tag no.03/04lbd01aa702 , gland packing set , body gasket , seat gasket , plug stem s/a , spares parts for control valve serial number: 164485, 37-41421 as/svp/hw/vb, 6”, asme#150, cv-225, act. size15”-6a3 (flash tank drain tcv) 03/04gha01aa720 ) , gland packing set , body gasket , seat gasket , plug stem s/a , seat ring , seal ring , spares for control valve serial number: 164489,37-41432, 3”, asme#300, cv-45, act. size 15”-6a2 (burner atomizing setam pcv 03/04hhm10aa750) , gland packing set , body gasket , seat gasket , plug stem s/a , seat ring , seal ring , spares for control valve serial number: 164491,37-41412, as/svp/al/hw/vb, 6”, asme#300, cv-255, act. size 18”-6a3 (sah a/b tcv 03/04hlc01aa701) , gland packing set , body gasket , seat gasket , plug stem s/a , seat ring , flat spring , seal ring , spares for control valve serial number: 164138,68-41421, as/svp/al/hw/vb, 12”, asme#2500 spl, cv-575, act. size 20” double acting+hw (boiler recirculation cv 03/04hag03aa700) , gland packing set , body gasket , seat gasket , plug stem s/a , seat ring , seal ring , flat spring , spares for control valve serial number: 164139,67-41421, as/svp/al/hw/vb, 4”, asme#2500 spl, cv-110, act. size 16” double acting+hw (bcp warming flow control valve 03/04hag03aa706) , gland packing set , body gasket , seat gasket , plug stem s/a , seat ring , seal ring , flat spring , spares for control valve serial number: 164140, 38-41114, as/svp/al/hw/vb, 3”, asme#2500 spl, cv-20, act. size 18”-8a (sb steam pcv 03/04hcb01aa700) , gland packing set , body gasket , seat gasket , plug stem s/a , seat ring , cage