procurement of boiler tube guard of different size and cassette baffle for unit 6 boiler overhauling under b and a dept., stps. procurement of boiler tube guard of different size and cassette baffle for unit 6 boiler overhauling under b and a dept., stps. , tube guard th2.5, ss304 for tube od47.63 # additional data: along with 2 nos clamp for each 1 mtr tube guard. clamp width 20mm , tube guard th2.5, ss304 for tube od76.1 # # for screen tube additional data: thickness 2.5mm along with 2 nos clamp for each 1 mtr tube guard. clamp width 20mm , tube guard th2.5, ss304 for tube od38.1 # additional data: along with 2 nos clamp for each 1 mtr tube guard. clamp width 20mm , tube guard th2.5, ss304 for tube od63.5 # additional data: along with 2 nos clamp for each 1 mtr tube guard. clamp width 20mm , tube guard, isb, tube od38.1, r143.3, 90deg for economizer tube moc:ss-304, inside bend for tube od-38.1mm, tickness:2.5mm additional data: along with 2 nos clamp for each 1 no bend tube guard. clamp width 20mm , tube guard, osb, tube od38.1, r143.3, 90deg for economizer tube moc:ss-304, outside bend for tube od-38.1mm, tickness:2.5mm additional data:along with 2 nos clamp for each 1 no bend tube guard. clamp width 20mm , cassette baffle-1 for ltsh upper coil for rear end. dimension hieight-2385mm, length 405mm, width 60 mm, thick 3mm. material-ss-304 , cassette baffle-2 for ltsh upper coil for front end. dimension hieight-1575mm, length 405mm, width 60 mm, thick 3mm. material-ss-304 , cassette baffle-3 for ltsh lower coil for rear end. dimension hieight-1625mm, length 405mm, width 60 mm, thick 3mm. material-ss-304