Procurement Of Spares Of Safety Valves Installed At Boiler Of 1X500 Mw Sgtps Mppgcl Birsinghpur , Spares Of Drum Sv-1,2 &3 : Class-3000,Type-Slsv, Size-3”/6”,Model-1750Wb , Adjusting Ring Pinupper (1750Wb) , Spindle (1750Wb) 7001 , Disc (1750Wb) 7005 , Disc Holder (1750Wb) 7005 , Disc Collar (1750Wb) 7005 , Lift Stop (1750Wb) 7000 , Spring Adjuster , Spring Adjuster Lock Nut , Upper Adjusting Ring , Lower Adjusting Ring , Lower Adjusting Ring Pin , Guide , Overlap Collar Nut , Spares Of Drum Sv-4 To 6: Class-3000,Type-Slsv, Size-3”/6”,Model-1740Wb , Adjusting Ring Pinupper (1740Wb) 7001 , Adjusting Ring Pinlower7135 , Spindle (1740Wb) 7001 , Disc(1740Wb) 7001 , Spring(1740Wb) , Upper Spring Washer Assembly , Spring Adjuster , Spring Adjuster Lock Nut , Lower Adjusting Ring , Guide , Spares Of Ms Sv- 7 & 8: Class-3000,Type-Slsv, Size-3”/6”,Model-1740Wd , Disc(1740Wd) , Spindle (1740Wd) , Overlap Collar (1740Wd) , Lift Stop (1740Wd) , Upper Adj Ring Pin , Spares Of Crh Linesv- 14 To Sv-17: Class-3000,Type-Slsv, Size-3”/6”,Model-1786Wb , Spring , Spring Adjuster , Spring Adjuster Lock Nut , Upper Adjusting Ring , Upper Adjusting Ring Pin , Loweradjusting Ring Pin , Disc , Disc Collar , Disc Holder , Spindle , Guide , Lift Stop , Overlap Collar Nut , Spares Of Hrh Linesv- 18 To Sv-21: Class-3000,Type-Slsv, Size-3”/6”,Model-1786Wd , Spring , Spring Adjuster Lock Nut , Upper Adjusting Ring , Upper Adjusting Ring Pin , Loweradjusting Ring , Loweradjusting Ring Pin , Disc , Disc Collar , Disc Holder , Guide , Lift Stop , Overlap Collar Nut