procurement of various type of valves and nrvs for unit no 1 and 2 at sgtps mppgcl birsinghpur , cast iron (is:210 gr.fg-200) gate valve:is:14846,pn 10 with counter flange&rising spindle, flange to flange distance as per is:14846;renewable seat, solid wedge-alloy trim, stem ss(a276 type 410) flanges as per is:1538. , size:50nb , size:65nb , size:80nb , size: 100 nb , size:150nb , size: 200 nb , size: 250 nb , size: 300 nb , size:400nb , size:450nb , size:600nb , cast iron (en 1561 gr.gjl 200) globe valve as per bs 5152/bsen 13789/bs1873 pn16 with counter flanges & rising spindle, renewable seat, renewable disc ss(astm a276 type 410) or equivalent trim flange as per din 2533 for following size valve:- , 65nb , 150nb , 200nb , 250nb , cast iron non return valves as per is:5312 (part –i) body material –is:210gr. fg-200 bolted cover, trim-aisi-410 ss, classpn-1.6, end-flanged as per is:1538 with counter flanges, bolts, nuts & rubber gaskets for following size valve:- , 100nb , 150nb , 200nb , 250nb , 100 mm mild steel wafer type check valve with spring with mild steel disc type-check valve with springworking pressure-145psi working temperature-50deg c design wafer type,seat-nitrile end connection-flanges standard-api 5d/ansi b 16.10 , 100nb , slim seal butterfly valve manually operated (lever/gear operated) make: koley/ ksb/ fluidchem/crescent/ levcon/ bdk/ pelican/ equivalent , size :400 nb(dn400),connection:-flanged, media:- air, moc:-body- bs: 1452 gr 250, body lining- black nitrile rubber, disc- bs:2789 gr 420/12 nylon coated, shaft – top & bot- aisi 410, bearing- ptfe(upper), acetal copolymer (lower), weather seal- nitrile rubber ,lever-sg iron, test pressure body-20.7 bar,seat-15.4 bar. gear operated , size :600 nb(dn600),connection:-flanged, media:- air, moc:-body- bs: 1452 gr 250, body lining- black nitrile rubber, disc- bs:2789 gr 420/12 nylon coated, shaft – top & bot- aisi 410, bearing- ptfe(upper), acetal copolymer (lower), weather seal- nitrile rubber ,lever-sg iron, test pressure body-20.7 bar,seat-15.4 bar. gear operated , slim seal butterfly valve with air cylinder actuator & limit switches. make: koley/ ksb/ fluidchem/crescent/ levcon/ bdk/ pelican/ equivalent size :100 nb(dn100),connection:-flanged, media:- water, moc:-body- bs: 1452 gr 250, body lining- black nitrile rubber, disc- bs:2789 gr 420/12 nylon coated, shaft – top & bot- aisi 410, bearing- acetal copolymer, weather seal- nitrile rubber ,air cylinder-double acting type; size-2.1/4” bore x 6” stroke; limit switch-1 no + 1 nc, type-lla,test pressure body-24 bar,seat-17.6 bar