Procurement Of Boiler Tube Shield And Other General Spares For Unit 7 And 8 . , Half Round Tube Shield For Ww Screen Tube Od:63 . 5Mm- Tube Shield :R=32Mm , L=1500Mm , T=3 . 0Mm , Material: Ss304 , Half Round Tube Shield For Ltsh Tube Od:47 . 63Mm- Tube Shield:R=24 . 5Mm , L=1500Mm , T=3 . 0Mm , Material: Ss304 , Half Round Shield For Ltsh , Type- Iii For Tube-47 . 63 X 5 . 6 Mm , Ss304 , Half Round Shield For Ltsh , Type- Iv For Tube-47 . 63 X 5 . 6 Mm , Ss304 , Half Round Tube Shield For Bp Screen Tube Dia . Of 51Mm ) Screen Tube Bend Near Roof , R- 26Mm , L-280Mm , Thickness- 3Mm , Mat:Ss304 ( For Bp Screen Tube Dia . Of 51Mm ) , Half Round Tube Shield For Ltsh Tube Od:47 . 63Mm- Tube Shield For Offset Bend Of Ltsh Terminal Tube:R=24Mm , L=350Mm , T=3 . 0Mm , Material: Ss304 , Outer Tube Shield For 90 Degree Bend ( For Ltsh Tube Dia 47 . 63 ) R=24 . 5Mm , L1=600Mm , Half Round Tube Shield For Bp ScreenTube Od:51Mm- Tube Shield :R=26Mm , L=1500Mm , T=3 . 0Mm , Material: Ss304 , Half Round Tube Shield For Economiser Tube Od:38 . 1Mm- TubeShield Radius:R=19 . 5Mm , L=1670Mm , T=3 . 0Mm , Material: Ss304 , Inner Tube Shield For 90 Degree Bend ( For Eco . Tube Dia 38 . 1 Mm ) R=19 . 5Mm , L1=630Mm , Outer Tube Shield For 90 Degree Bend ( For Eco . Tube Dia 38 . 1 Mm ) R=19 . 5Mm , L1=630Mm , Fin For Water Wall: 12 . 7Mm X 6Mm ( Material:Is2062gra ) , Nozzle For Soot Blower Assy; CastingIs 210 Grfg 300 , Aph Model: 31 . 5 Vimt 2000: Twin Nozzle For Aph Scavenging System , Material: Casting -A216 Gr . Wcb ,