procurement of spares of generator cooler control valve and seal steam supply valve of make samson for unit no. 10 and 11, ph-iv, stps, sarni. procurement of spares of generator cooler control valve and seal steam supply valve of make samson for unit no. 10 and 11, ph-iv, stps, sarni. , spares of generator cooler control valve of makesamson ( 241-1, size 10, 150#, az 16wcc, cv 1150 / er / me, sr. 890-39504 , spare plug assembly, kvs 1000 %, 1.4008, dn 250 / 10, seat bore 250, pn 10-40 ( 1990-6306 ) , spare seat sb 250 dn 250 ( 0110-5892 ) , threaded bushing assembly dn 200-400, 1.4404 / carbon ( 1690-3343 ) , seal steam supply valve of makesamson ( valve type- 3241-1, act. type- 3271 , size-700cm2, tag no. 2-1323957000, size- 6”, rating- 300#, body / yoke matl. a216wcc, trim matl.- ss410+st6, cv- 67, sr. no. – 890-43812, supply pr. 3kg / cm2 ) , spare plug assembly, kvs 63, %, 1.4404 / stellated, seat bore 63 6” x 300# 3241 extension for fd-1 ( 1890-6133 ) , spare seat for flow divider i dn 150, seat bore 63 1.4006 / stellited 0110-8117 , graphite packing for 3241, size 4 to 6 ( 1137-7524 ) , flow divider with ring for 3241 ss316l a2-0550-0264 , spare body gasket with extension bonnet gasket 1137-7753