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Tender For requirement of spare part of paharpur make cooling tower gear box, model 1512-12(18 at) unit# 1and 2 and 1513-12(20 at) unit# 3 and 4, stage-i, phase-i and ii, ctpp, chhabra - set of matched spiral bevel gears with pinion shaft oil singer, lock nuts washer, key and place bolts ( kit grdr32.2c gear set bevel 14.54), set of matched helical gears with inter- stage shaft, disc, place bolts and lower fan shaftkey, (kit grdr 32.2 2d gear set hel 14.54), vibration trip switch type mmr-2x part no. p87-3059-1 for original cooling tower model 1512-12(18at)
Tender For requirement of spare part of paharpur make cooling tower gear box - set of matched spiral bevel gears with pinion shaft oil singer, lock nuts washer, key and place bolts (kit grdr32.2c gear set bevel 14.54) , set of matched helical gears with inter- stage shaft, disc, place bolts and lower fan shaftkey, , (kit grdr 32.2 2d gear set hel 14.54) , vibration trip switch type mmr-2x part no. p87-3059-1 for original cooling tower model 1512-12(18'at)
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 plummer block bearing unit :the plummer block 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 e- nit no. micd 16 of 2026-27 dated 26-05-2026 providing, fabrication, processing and fitting of stainless-steel head shafts (ss 410 grade) with allied items for vt pumping unit no. 3rd ,4th and 5th at stage 2nd lis tral.
Tender For insulation work-re insulation of 200 mm diameter chilled water pipelines passing vertically from terrace to various shafts (6 nos.) at the assembly block of klc , thiruvananthapuram