tender for procurement of high pressure globe valves & nrvs for boiler & turbine for unit no. 1 & 2, at sgtps, mppgcl, birsinghpur. , type- globe valve hand operated body-forged alloy steel f-22 , bonnet -forged steel f-22, end- socket weld, class.-2500 , disc- satellite #6, max pressure-180 kg/cm2, max temp. - 540 0c, seat - hard faced with satellite#6. , size: 15 mm (1/2) , size: 25 mm (1) , size : 40 mm (1 1/2) , forge carbon steel globe valve, end connection socket weld, class-800, manual operated , body & bonnet bolted connection , straight pattern gland packing -graphite, moc- body & bonnet -astm sa disc, seat ring, stem-13%cr.ss410, max working temp -425 0c, max working pressure-90 kg/cm2 , size 15 mm (1/2) , first stage attemperation spray feed non return valve, class-2500, material-cast alloy steel wc9 swing check, design pressure-179.3 kg/cm2 & working pressure-154.6 kg/cm2 , size 4(100 mm) .