procurement of various valves and nrvs for tms off site at 2x660 mw, sstpp, dongalia, dis khandwa procurement of various valves and nrvs for tms off site at 2x660 mw, sstpp, dongalia, dis khandwa , gate valve ( flange type ) class pn 10, body ci, trim g , suitable for etp plant , 25 nb , 65 nb , gate valve ( socket weld type ) class pn 16, body ci, trim g, suitable for service water line, pressure 5.5 kg / cm2 , 25 nb , 40 nb , gun metal ball valve threaded , pressure 5.5 kg / cm2, for fire fighting line , 25 nb , 40 nb , 50 nb , gate valve ( flange type ) of size 80 nb , class 125, body ci, trim ss, type giv for plant potable pump , gate valve ( flange type ) of size 100 nb , class pn 16, body ci, trim gm for flocculation tank stilling chamber drain, jockey pump , gate valve ( flange type ) of size 200 nb , class pn 16, body ci, trim gm for hydrant spray r / c valve , gate valve ( flange type ) of size 300 nb , class pn 10, body ci, trim gm, stem ss410, disc wcb +13%cr for fire fighting suction line , gate valve ( flange type ) of size 600 nb , class pn 10, body ci, trim ss, type gtv for fire pump suction header , nrv for turbine off site , 40 nb, type scv class pn 16, body ci trim ss for caustic dosing pump , 50 nb, type scv class pn 16, body ci trim ss for caustic transfer pump, caustic unloading pump , 80 nb, type scv class pn 25, body ci trim gm for jockey pump , plant portable pump, gardning pump , 80 nb, type dual plate check valve ( dpcv ) class pn 16, body ci trim gm for dm regeneration pump , 80 nb, type dual plate check valve ( dpcv ) class pn 6, body ci trim gm for mb air blower , 100 nb, type dual plate check valve ( dpcv ) class pn 6, body ci trim ss for dmf air blower , 100 nb, type scv class 125, body ci trim ss for waste water backwash pump, resine transfer pump , 150 nb, type scv, class pn 25, body ci, trim ss ( for colony potable pump, potable water feed pump, n pit pump ) , 150 nb , type dual plate check valve ( dpcv ) , class pn 16, body ci, trim ss ( dm feed pump , potable water pump and uf feed pump, uf cleaning pump ) , 200 nb, pn 25, type scv, body cs, disc cs, seat nbr ( for aph / bbd pump, service water pump ) , 200 nb, pn 16, type dual plate check valve ( dpcv ) , body cs, disc cs, seat nbr ( for cw booster pump, dm transfer pump, degasser water transfer pump, pt sludge pump, n pit pump ) , 250 nb , class pn 25, body ci, trim gm ( for fire hydrant & spray, etp feed pump, fgd pump ) , 300 nb , type scv, class pn 25, body ci, trim gm ( fire discharge header & uf back flush pump ) , 500 nb , type scv, class pn 25 , body ci ( ct make up pump )