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Tender For corrigendum : labour charges for attending miscellaneous maintenance works like changing plummerblocks, hydraulic hoses, o-rings, chain links, buffer springs, emergency and breakdown works etc., for wagon tippler i,ii and iii from the date of issue of loi to 30.09.2026.
Tender For supply of equipment items - dc motor:type: dc shunt motor (dismantling model) power: minimum 0.5 hp voltage: 220 v dc speed: 1500 rpm poles: 4 pole construction: laminated stator salient poles accessible armature features: cut section / open type suitable for dismantling and reassembly, hydraulic cylinder: bore diameter: 50 mm stroke length: 250 mm working pressure: 160 bar cylinder tube: honed steel piston rod: hard chrome plated seals: standard industrial seals end caps: steel supply: mounted on training base suitable for dismantling and inspection, hydraulic operated directional control valves (dcv):type: manual spool type dc valve configuration: 4/2 way size: ng06 (cetop 3) rated pressure: 210 bar flow capacity: 20 40 lpm body: hardened steel / cast steel spool: ground and hardened ports: clearly marked (p, a, b, t) supply: mounted on training plate suitable for dismantling and study, bearing with shaft assembly :type: dismantling and assembly teaching unit shaft diameter: 30 mm shaft material: en8 steel bearings: deep groove ball bearing (6205 / 6206) housing: cast iron locking arrangement: circlips lock nuts end covers mounting: bench-mounted / frame-mounted unit, coupling unit using driving and driven shafts using plummerblock bearing unit :the plummerblock housing material: cast iron (grade fg 200 or equivalent). type: sng or snl series (split-type housing). sealing: felt seals or v-ring seals (to demonstrate lubrication retention). lubrication: provided with a grease nipple at the top center for manual lubrication practice. the bearing type: self-aligning ball bearing (1200 series) or spherical roller bearing (22200 series). bore diameter: standard 25mm or 30 mm. shafting and coupling shaft material: ground carbon steel (en8 or en9) for high surface finish. coupling type: flexible coupling: to demonstrate the bearings ability to handle slight misalignment. rigid flange coupling: to demonstrate traditional direct connection. driving/driven setup: one shaft connected to a small electric motor (driving) and the other to a brake drum or load (driven).
Tender For installing new plummerblock,fencing of walkway,overhauling of redicon unit,repairing of m.s. chequered plates on sai escape and cross regulator 229.6 km, ssfc raebareli.
Tender For overhauling of rollers of gates and redicon unit, replacing rubber seal, installing brake lever mechansim ,new plummerblock and repairing of jammed plumber block at rasin dam, chitrkoot
Tender For fencing of walkway, overhauling of redicon unit, replacing of rubber seal,procuring and installing led light,fabrication and erection of missing cover and installing new plummerblock at guntanala dam, chitrakoot
Tender For fabrication and erection of missing cover and installing new plummerblock of allahabad and pratapgarh branch and mirzapur aihari escape ssfc raebareli