Latest spiral tube Tenders | Government spiral tube Tenders

Central Government/Public Sector

CTN :45355767

05 Jun, 2026 NA

Multi City - Haryana

Tender For auction sale of depot ferrous scrap - scrap heavy melting components consisting of items, pcs. and cut pcs. of plates, angles, silent block,side bearer pad assembly ,metal rubber bonded,bp valve fp valve ,cut pcs of metal,channels, bss hanger,bump stop,parting plate,rounds, back-stop, pu pad,bk-head spindles, connecting- links, rotory lock, , cut of angle cock, pins, dirt collector, brake head,, face plate,brake , anchor link,control rod,dummy coupling,shackle pin, yoke pin, safety wire rope,draft gear pad,axle guard with horn check,different type of levers,screw coupling,draw bar hook, bk beam hanger,empty load box, c.c. pad top & bottom,side bearer,stricker casting,yoke support plate, horizontal lever set, main pull rod, empty tie rod, hand bk screw, hand bk gear box,toothed segment,dirt collector, protactiv tube, sleeve, axle box guide, isolated cock and mixed with pins and u/s broken parts of c&w item etc of sorts & sizes with or wo attachment us and ur, as it is. loc- material lying at bin no. c-05 in scrap yard judw. remarks- loading by purchaser. note-nfs will be taken back if found in lot at the time of delivery.

Central Government / Public Sector

CTN :45213495

08 Jun, 2026 NA

Mathura - Uttar Pradesh

Tender For corrigendum : tender for supply of glassware -atf amber coloured sample bottle-1000 ml , atf amber coloured sample bottles-500 ml , beaker-25 ml. , beaker-50 ml. , beaker-100 ml. , beaker-250 ml. , beaker-500 ml. , beaker-1000 ml. , beaker-2000 ml. , bod bottle - 300 ml , burette - 2 ml , burette - 5 ml , burette - 10 ml , amber burette - 25 ml , burette - 50 ml , burette - 100 ml , auto burette - 10 ml , auto burette - 25 ml , auto burette - 50 ml , conical flask- 50 ml , conical flask- 100 ml. , conical flask- 150 ml. , conical flask- 250 ml. , conical flask- 500 ml , conical flask with stopper- 100 ml , conical flask with stopper- 250 ml , conical flask with stopper- 500 ml , crow receiver measuring cylinder - 100 m , crystallizing dishes-2.5l , silica crucible-150ml without lid , drying tray2.5l , desiccator -300mm , desiccator -200mm , desiccator - 5l , distillation flask (auto) , distillation flask (manual) , dropping indicator bottle-125ml , glass funnel - 100 mm , measuring cylinder - 10 ml , measuring cylinder - 25 ml , measuring cylinder - 50 ml , measuring cylinder - 100 ml , measuring cylinder - 250 ml , measuring cylinder - 500 ml , measuring cylinder - 1000 ml , nessler tube - 50 ml , graduated pipette - 1 ml , graduated pipette - 2 ml , graduated pipette - 5 ml , graduated pipette - 10ml , graduated pipette - 25 ml , volumetric pipette - 1 ml , volumetric pipette - 2 ml , volumetric pipette - 5 ml , volumetric pipette - 10 ml , volumetric pipette - 25 ml , pour point tube , flat bottom flask - 250 ml , test tube-flat bottom for carbon residue , separating funnel - 100 ml , separating funnel - 250 ml , separating funnel - 500 ml , separating funnel - 1000 ml , separating funnel - 2000 ml , silver corrosion tube set-amber , stopper measuring cylinder - 10 ml , stopper measuring cylinder - 25 ml , stopper measuring cylinder - 50 ml , stopper measuring cylinder - 100 ml , stopper measuring cylinder - 150 ml , stopper measuring cylinder - 250 ml , stopper measuring cylinder - 500 ml , stopper measuring cylinder - 1000 ml , filter flask - 500 ml , filter flask - 1000 ml , filter flask - 2000 ml , filter flask - 5000 ml , filtration assembly (47mm) , test tube with rim- copper corrosion , test tube- 10ml , tilt measure-5 ml , tilt measure-2 ml , tilt measure-1 ml , volumetric flask - 10 ml , volumetric flask - 25 ml , volumetric flask - 50 ml , volumetric flask - 100 ml , volumetric flask - 250 ml , volumetric flask - 500 ml , volumetric flask - 1000 ml , volumetric flask - 2000 ml , weathering tube , sample vials , vapour tight- 2ml , vials , vapour tight cap-30 cc. , variable bottle top dispenser with recir , splash head sloping pear shape - 24 / 29

Central Government/Public Sector

CTN :45343151

03 Jun, 2026 NA

Multi City - Karnataka

Tender For auction sale of depot miscellaneous scrap - ubl/gsd/b-0022/ electrical/26/b[pl no.98411019] condemned and un-serviceable electrical scrap consisting of reading light fittings, emergency light and fitting, cfl/fl fittings, air fittings, fl box type fittings, tail lamp fittings, sockets, socket control panel boards, tpic/dpic switch boxes, ballast, capacitors, avm, iron box, wooden switch board, suction apparatus with accessories, stabilizers, plb switches, tube light fittings, electrical parts covers, head light resistors, carbon brushes, holder and parts, revdel, head light dim resistor, different types of measuring/checking devices/instruments, tx rx coil, with cables, connection box, fuces, ignitors, hotoor for lc gate, head light switches, cab fans, grass/tree cutter, different types of lights and its fittings, connecting wires, ovpr,dsp, junction boxes, dfb, different types of switches, electrical equipment covers, smps parts, classification cover knife switch covers, plungers, 2*2lsed panel light fittings, terminals board assembly , rotary switches,& other parts, light mast fittings 400w , coolers, grinder, relay jack,timer relay,siemens relay and other realeated parts, street light, limit switches, mcb, pressure switches over voltage relay, wiper blades, ultrasonic flaw detector, gasoline run concrete machine, guard control switches, contactors, bracket holder junction boxes with wire attached, electronics spare parts, pcb board, transformer parts, motor releted parts led driver,door closer armature, alternators and starter parts ,street lights ,defferent types camera and spare parts radiator conteceetor or wing assembly head light , bulb fixing, cab fan, frames & buses and clamp, ivr, fuse alarm unit,solar panel coupler socket, other parts.wiper parts mh choke/copper blast ,ovpr 25k/4.5,and other electrical/electronical parts with or without ms/steel/aluminum/cables attached scrap. available under the custody of cdms/rs ward/gsd/ubl. note: bidder has to physically inspect the lot before bidding. location:- road no 02 block b bin no-022 gsd/ubl. remarks-. delivery should start from one end. no pick and choose allowed

CTN :45356731

08 Jun, 2026 NA

Jhansi - Uttar Pradesh

Tender For supply of lv7 tata 2780-8240-0101 assy wiper blade , lv7 tmb 2786-1813-9902 cartridge lub oil filter , lv7 tmb 2547-5010-0111 assy cap radiator , lv6 mt12 2786- 0911-9904 filter fuel , lv7 maruti 2940-001046 oil filter assy , lv7 maruti 15410m830a1 filter assembly fuel , lv7 tata 2060-4310-0102 master cylinder repair kit api consisti , lv7 tata 2574-5442-0103 assy tail lamp rh , lvt tata 2574-5442-0104 assy tail lamp l , lv6 mt6 2525-2015-6305 v belt 1280mm long , lv7 tmb 2573-2910-0161 repair kit for slave cylinder , lv7 tmb 2576-8110-0114 rear view mirror , lv7 stln vf 2520-012810 parts kit slave cylinder clutch , lv7 stln f7x00200 fuse 10 amp , lv7 stln f7x00500 fuse 5 amp , lv7 stln p-1602051 master cyl kit , lv6 mt14 2640-000048 valve core tr-ci long short , lv6 mt6 2640-000192 kit cold patch for tube repair complete * /bid number : gem/2026/b/7596129 + /dated: 28-05-2026 ' ' / bid document 1 / 16

CTN :45324765

11 Jun, 2026 28.80 Lacs

Jhalrapatan - Rajasthan

Tender For supply of spares of soot blowers of (2x600 mw), katpp, rvunl, jhalawar - "lance tube assembly with flange, nozzel and nozzel head pipe.soot blower location: plsh area (ik-1/2/3/4) in u#1& 2 respectively", "lance tube assembly with flange, nozzel and nozzel head pipe soot blower location: plsh area (ik-5/6/7/8/9/10) in u#1& 2 respectively", "lance tube assembly with flange, nozzel and nozzel head pipesoot blower location: fsh (ik-11/12/13/14/15/16), frh (ik-17/18/19/20/21/22),prh(ik-23/24), ltsh(ik-25/26) area in u#1& 2 respectively ", "lance tube assembly with flange, nozzel and nozzel head pipe soot blower location: prh(ik-27/28/29/30, ltsh area(ik-31/32/33/34/35/36)in u#1& 2 respectively", "poppet valve assembly for all lrsbsoot blower location: plsh/fsh/frh/prh/ltsh area", "poppet valve assembly for hrsbsoot blower location: economizer area", "screw tube (lance tube) with packing assembly for fsbsoot blower location: water wall area", "feed tube with flange for fsbsoot blower location: water wall area", "goose neck valve assembly for fsbsoot blower location: water wall area", "lance tube with multi -jet element nozzel assembly for aphsbsoot blower location: air pre-heater area"

CTN :45351359

04 Jun, 2026 NA

Pudukkottai - Tamil Nadu

Tender For supply of lab equipments - purchase of lab equipments, four stroke petrol engine test rig specifications: single cylinder, 4-stroke spark ignition, petrol engine. air cooled rope brake arrangement with spring balance for loading . speed :1500 3500rpm power 3 hp. panel board for measuring speed with power supply and tacho generator setup, burette with tank assembly. load test test rig kit . heavy-duty fabricated ms base frame anti-vibration mounting arrangement powder-coated / painted finish , saybolt viscometer apparatus specifications: glass type: high-quality borosilicate glass tube. control type: manual energy regulator control. shape: rectangular bath with cylindrical test chamber. temperature range: ambient to 240 c oil bath temperature. humidity: up to 80% rh (non-condensing). power supply: 230 v ac, 50 hz. measuring range: 32 to 1000 sus(saybolt universal seconds). accuracy: as per astm d-88( 0.2 seconds). mounting type:benchtop. capacity:one cup(approximately 60 ml). control mode:manual operation. port size:standard orifice sizeas per astmd-88. features:oil bath with heater, thermoregulator, insulated outer body, orifice, receiver flask., cleveland open cup (coc) apparatus specifications: standard compliance: astm d92 / is 1448 (part 69) test method: open cup flash and fire point determination test cup: brass, precision machined with heat resistant handle heater: electric heater (1000 w 10% nickel chromium) with variable control heating rate: 5 c per minute (as per standard) temperature range: (-6 to 400) c thermometer: astm 11c or equivalent flame applicator: gas test flame with fine control valve body: stainless steel housing display: analog / digital temperature indicator power supply: 230v ac, 50 hz safety: overheat protection heat insulation, pensky-martens closed cup apparatus specifications: standard compliance: astm d93 / is 1448 (part 21) type: pensky-martens closed cup (motorized, digital type preferred) test cup: brass cup diameter: 50.7 50.8 mm capacity: minimum 70 ml stirring system: heater: electric heater 650 w 10% heating rate: 1 12 c/min adjustable ignition: pilot flame with automatic shutter mechanism temperature measurement: thermometer or digital sensor(ip-28c or astm) digital temperature display power supply: 230v ac, 50 hz safety: over-temperature cut-off flame safety control

CTN :45328829

10 Jun, 2026 NA

Madurai - Tamil Nadu

Tender For supply of equipment for cnc lab in mechanical department - list of equipment, hydraulic cylinder double acting hydraulic cylinder, bore 40 50 mm, stroke 200 300 mm, working pressure up to 100 160 bar, steel tube with honed bore, hard chromed piston rod, front & rear end caps, piston with seals and wear rings. supplied as standalone unit with suitable mounting for dismantling, inspection and reassembly., hydraulic operated directional control valves (dcv)manually operated 3/2 or 4/2 way spool type hydraulic directional control valve, nominal size ng06 (cetop 3) or equivalent, rated pressure 210 bar, flow 20 40 lpm; valve body with hardened and ground spool, centering springs, ports p a b t clearly marked. supplied on small mounting plate for dismantling, inspection and assembly practice., 3d printerbuild volume(wxdxh) 256 x 256 x 256 mm *shell enclosed (plastic & glass)hot end all-metalnozzle 0.4 mm stainless steel includedmax hot end temperature 300 nozzle diameter 0.4 mm (included) 0.2 mm, 0.6 mm, 0.8 mm (optional)build plate compatibility textured pei plate, cool plate, engineering plate, high temperature platemax build plate temperature 100 max speed of tool head 500 mm/smax acceleration of tool head 20 m/s supported filament pla, petg, tpu, pva, pet, abs, asachamber monitoring camera low rate camera 1280 x 720/0.5fps timelapse supportedfilament run out sensor yescontrol board fan closed loop controlauxiliary part cooling fan closed loop controlair filter activated carbon filter - list of equipment, hydraulic cylinder double acting hydraulic cylinder, bore 40 50 mm, stroke 200 300 mm, working pressure up to 100 160 bar, steel tube with honed bore, hard chromed piston rod, front & rear end caps, piston with seals and wear rings. supplied as standalone unit with suitable mounting for dismantling, inspection and reassembly., hydraulic operated directional control valves (dcv)manually operated 3/2 or 4/2 way spool type hydraulic directional control valve, nominal size ng06 (cetop 3) or equivalent, rated pressure 210 bar, flow 20 40 lpm; valve body with hardened and ground spool, centering springs, ports p a b t clearly marked. supplied on small mounting plate for dismantling, inspection and assembly practice., 3d printerbuild volume(wxdxh) 256 x 256 x 256 mm *shell enclosed (plastic & glass)hot end all-metalnozzle 0.4 mm stainless steel includedmax hot end temperature 300 nozzle diameter 0.4 mm (included) 0.2 mm, 0.6 mm, 0.8 mm (optional)build plate compatibility textured pei plate, cool plate, engineering plate, high temperature platemax build plate temperature 100 max speed of tool head 500 mm/smax acceleration of tool head 20 m/s supported filament pla, petg, tpu, pva, pet, abs, asachamber monitoring camera low rate camera 1280 x 720/0.5fps timelapse supportedfilament run out sensor yescontrol board fan closed loop controlauxiliary part cooling fan closed loop controlair filter activated carbon filter

CTN :45326580

09 Jun, 2026 NA

Madurai - Tamil Nadu

Tender For purchase of instrumentation and control engineering practices (equipment) - motorized control valve trainer kit signal input:4 20 ma or 0 5 v valve characteristic:equal percentage stem movement:maximum 10 mm or 12 mm body material:cast iron trim material:ss 316 trim size: cv value:2 or 5 actuator:servo motor supply voltage:230 v ac, 50 hz connection: flanged or screwed type. digital indicator provided potentiometer provided for varying the 4 20 ma input signal, saybolt viscometer apparatus glass type: high-quality borosilicate glass tube. control type: manual energy regulator control. shape: rectangular bath with cylindrical test chamber. temperature range: ambient to 240 c oil bath temperature. humidity: up to 80% rh (non-condensing). power supply: 230 v ac, 50 hz. measuring range: 32 to 1000 sus(saybolt universal seconds). accuracy: as per astm d-88( 0.2 seconds). mounting type:benchtop. capacity:one cup(approximately 60 ml). control mode:manual operation. port size:standard orifice sizeas per astm d-88. features:oil bath with heater,thermoregulator,insulated outer body,orifice,receiver flask, control valve trainer kit three pneumatic control valves provided with individual hand valves valve characteristics: i) quick opening ii) linear iii) equal percentage. valves connected in parallel configuration for comparative study. pneumatic operation with air supply connection. control valve assembly mounted on trainer panel. power supply: 230 v ac, 50 hz., water level measurement trainer kit using capacitive type transducer tabletop model with transparent acrylic tank of approximately 50 cm height. capacitive type level sensor for continuous level measurement. sensor output: (4 20)ma and/or (0 5)v with built-in signal conditioning. vertical pump for water circulation from sump to tank. flow control valve, overflow, and drainage arrangement. digital display for water level indication in cm. power supply: 230 v ac, 50 hz, single phase. in-built regulated dc power supply for sensor and control circuit. mounted on powder-coated ms frame for laboratory use. suitable for calibration and study of capacitive level measurement.

CTN :45326589

09 Jun, 2026 NA

Tiruchirappalli - Tamil Nadu

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).

CTN :45349674

11 Jun, 2026 11.36 Lacs

Multi City - Andhra Pradesh

Tender For ball tube mill external annual maintenance contract works like overhauling & replacement of mr/ar gear box, pinion bearings hot air box feed pipe assembly,and checking /tightening of various types mill bolts.. etc of unit-3&4/stage.ii for the period of six months , as and when required during the year 2026-27 from the date of commencement of work to 30.09.2026.

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