Latest air spring Tenders | Government air spring Tenders

Central Government/Public Sector

CTN :45458954

15 Jun, 2026 NA

Multi City - Uttar Pradesh

Tender For auction sale of depot ferrous scrap - scrap ferrous air spring assembly rubber pads and ballancing draftgear coupler body rubber-pads with e.m. pads of sorts & sizes with heavy ferrous attachment. note- 1- loading by purchaser 2- cutting not allowed 3-if loose part of air spring likes rubber,tyres found in lot will be delivered to the purchaser. 4- delivery not allowed against part payment .5. material should be delivered in sequence as per location mentioned above. location- lying at 02 (two) places- 1) in front of oil godown near ward-a. 2) beside bin no. a-06 in plot-a near line no.-10.

Central Government/Public Sector

CTN :45458960

15 Jun, 2026 NA

Multi City - Uttar Pradesh

Tender For auction sale of depot ferrous scrap - scrap ferrous helical springs of sort & sizes. note- 1- loading by purchaser 2- cutting not allowed 3-delivery not allowed against part payment. location-lying in bin no. a-04 near line no.-10

CTN :45435036

10 Jun, 2026 NA

Tiruchirappalli - Tamil Nadu

Tender For supply of equipment items > - parallelogram law apparatusparallelogram law of forces apparatus fitted with stand, travelling microscopebranded travelling microscope 0-200 mm horizontal and 0-150 mm vertical measurement (two separate experiment), helical spring apparatusstructure: a rigid support mounted on a heavy metal base, typically cast iron, to ensure stability during tests. springs: high-tensile steel spiral springs, typically (approx 25 mm) diameter, (100 mm) long. measurement scale: a vertical steel meter scale, usually with (1mm) graduations, for precise deflection measurement. loading mechanism: a, typically (50g), hook-attached weight hanger at the bottom. pointer: a fine pointer attached to the bottom of the spring moves along the scale. accessories: includes a set of slotted weights (e.g., (6times 50g) or similar sets) for incremental loading., boyle s law apparatusthe apparatus includes the quill tube, a retort stand, a clamp, and a mounted meter scale. quill tube specifications: length: approximately 50 cm. bore diameter: uniform bore, roughly 1 mm to 2 mm. construction: glass tube with one end sealed. trapped substance: a mercury pellet (or thread) of length 10 to 15 cm is introduced to enclose a column of air. mounting: attached to a half-meter or meter scale., torsion pendulumtorsional pendulum metallic disc, symmetrical masses and pendulum stand, steel wire, compound bar pendulumone meter long iron strip well painted with holes at a distance of every 5 cm and also with pair of brackets and a heavy base table top stand with stop clock, viscosity apparatusstokes apparatus with metre scale attached and long cylindrical glass jar, glass beads small size (1 box), screw gauge (0-15 mm), sonometer apparatussonometer with meter scale attached along with knife edge, tuning forks set 256, 384, 512 ranges, hammer, slotted weight -500 gm each to a total of 3 kg. brass wire (5 m), metre bridgetype: 1 m length, with uniform wire (resistance wire) material: constantan or manganin (low temperature coefficient) scale: 0 100 cm, engraved or printedbase: wooden or metal, rigid, non-conductive supportjoints / terminals: brass or copper, fixed for connections2. galvanometertype: analog, moving coil or digital (for null detection) range: sensitive to detect micro-ampere currentsinternal resistance: high, typically ~100 or as specified5. cells / power supplytype: leclanch cells (1.5 v each) or dc power supplynumber: 2 4 cells in series (or supply ~3 6 v), ohms law verification kitbattery eliminator-3a, (2,4,6,8,10,12 v), tubular rheostat20-3.3a, one way plug key, analog type dc ammeter (0-2a), voltmeter (0-5v), standard resistance coil of 1, 2 ohm (2-set) wound on a wooden bobbin, joule calorimeter apparatuscopper vessel, battery eliminator-3a, (2,4,6,8,10,12 v), tubular rheostat 20-3.3a, one way plug key, analog type dc ammeter (0-2a), voltmeter (0-5v), thermometer (alcohol), stop clock, potentiometer apparatusit features a 1-meter to 10-meter constantan/ manganin wire stretched on a wooden or sunmica baseboard with a millimeter scale. it includes 4mm brass terminals, a pencil jockey for contact, wire options (10 wires), and a typical resistance range of 10-20 ohms, ideal for high-precision voltage measurements., solar cell kitthe apparatus consist of variable dc power supply, led, solar cell and two multimeters (or an ammeter and a voltmeter). a variable dc power supply of 0-5v. light source is provided by led. the illumination intensity of the led can be controlled, deflection magnetometer apparatusdeflection magnetometer apparatus with compass box and two short bar magnets, ic regulated battery eliminatoric regulated, input: 230v ac; output: 0-12v dc in steps of 2v; capacity: 1a or 2a., galvanometermoving coil type, 30-0-30 scale, unbranded with bhel specification-sensitivity 0.143mm/v, ammeterdc (0 -2 amp), voltmeterdc voltmeter; range 0 10 v, analog, decade resistance boxresistance box 12 month warranty (dial type) - mangani

CTN :45430790

18 Jun, 2026 NA

Ariyalur - Tamil Nadu

Tender For supply of mechanical engineering lab materials - mechanical engineering lab materials, serve motor drive kitinterface l293d motor driver ic with arduino to control direction of rotation of two dc motors), bldc motor kitbldc motor 1 nobldc motor drive -1noinbuilt volt and ammeter and rpm meterinbuilt power supplyinput 230v ac, lvdt trainer kit complete educational trainer for linear variable differential transformer (lvdt) displacement measurement. built-in ac excitation source and signal conditioning circuitry for lvdt operation. micrometer assembly for precise linear movement of the lvdt core. displacement range ~10 mm with clear front-panel adjustments for zero & calibration. digital display (typically 3 -digit) for direct readout of conditioned output/displacement values. test points and banana sockets for signal observation on external instruments. self-contained unit in a durable enclosure with labeled controls and educational layout. includes user manual and patch cords for experiments. operates on 230 v ac, 50 hz mains supply., multi-cylinder petrolphase : single phase load: mechanical load with ropenumber of cylinders : 4displacement : rope brakepower : 65hp,4000 rpm,1396 ccbrand material : mild steelengine type : 4 stroke self startfrequency : 15hzfuel consumption : petrolfuel tank capacity : 5 letermorh s test rig, tail stock assemblyheavy-duty lathe tailstock assembly for training; cast iron body with base, barrel (quill) ~50 75 mm stroke, hand wheel feed, dead centre mt2/mt3, set over screws for taper turning, spindle clamp, complete with all internal parts for dismantling and reassembly; suitable for 300 400 mm centre height training lathe., dc motorvoltage 220-440 v dcpower - 180 w speed - 200 rpm, hydraulic cylinderdouble 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 opreated directional control valve (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., bearing with shaft assemblyteaching unit with shaft 25 35 mm dia mounted in housing with deep groove ball bearings (6205 / 6206 class) at both ends; includes locking arrangements (circlips, lock nuts, covers). designed for repeated removal, cleaning, lubrication and refitting of bearings, with provision to mount on bench or test rig., coupling unit using driving and driven shaft plumber block bearing unit1. the plummer block housingmaterial: 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.2. the bearingtype: self-aligning ball bearing (1200 series) or spherical roller bearing (22200 series).bore diameter: standard 25mm or 30 mm (ideal for lab scale).mounting: adapter sleeve mounting (h-series) to teach students how to lock a bearing onto a smooth shaft.3. shafting and couplingshaft 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)., spring test machine load & displacement sensing load cel * capacity: 0 10 kno accuracy: 1% fs (better if 0.5% fs) displacement sensor * lvdt / digital encodero accur

CTN :45440540

29 Jun, 2026 NA

Mumbai - Maharashtra

Tender For supply of air spring pt. no. v2e 23a - air spring pt. no. v2e 23 a

CTN :45427532

13 Jun, 2026 5.31 Lacs

Kalpakkam - Tamil Nadu

Tender For spares for turnstile gate- supply, safe delivery and warranty of lock solenoid for turnstile gate mechanism of sivananda electronics make, supply, safe delivery and warranty of release solenoid for turnstile gate mechanism of sivananda electronics make, supply, safe delivery and warranty of locking pawl for turnstile gate mechanism of sivananda electronics make, supply, safe delivery and warranty of head mechanism with channel for turnstile gate mechanism of sivananda electronics make, supply, safe delivery and warranty of springs set for turnstile gate mechanism of sivananda electronics make, supply, safe delivery and warranty of microswitch for turnstile gate mechanism of sivananda electronics make, supply, safe delivery and warranty of linear damper for turnstile gate mechanism of sivananda electronics make, supply, safe delivery and warranty of logic control unit for turnstile gate mechanism of sivananda electronics make, supply, safe delivery and warranty of on/off switch with filter for turnstile gate mechanism of sivananda electronics make

CTN :45420111

13 Jun, 2026 5.31 Lacs

Kalpakkam - Tamil Nadu

Tender For supply of lock solenoid for turnstile gate mechanism of sivananda electronics make , release solenoid for turnstile gate mechanism of sivananda electronics make , locking pawl for turnstile gate mechanism of sivananda electronics make , head mechanism with channel for turnstile gate mechanism of sivananda , springs set for turnstile gate mechanism of sivananda electronics make , microswitch for turnstile gate mechanism of sivananda electronics make , linear damper for turnstile gate mechanism of sivananda electronics make , logic control unit for turnstile gate mechanism of sivananda electronics make , on or off switch with filter for turnstile gate mechanism of sivananda

CTN :45453505

25 Jun, 2026 NA

Izatnagar - Uttar Pradesh

Tender For supply of 150 ltrs.stainless steel air reservoir to drg.no. icf/std-3-5-066 , alt-c,item -1 to 14 for lhb air spring coaches, and rdso's spec no.-c-k 407 ( rev-03) with amendment slip no1 of sept 2018 [ warranty period: 30 months after the date of delivery ] ]

CTN :45453623

06 Jul, 2026 NA

Liluah - West Bengal

Tender For failure indication cum brake application device (fiba) for air spring coaches scope of supply as per specification: rdso/2015/cg-05, rev: 01( s.no. 1 of clause 4.1) [ warranty period: 72 months after the date of delivery ] ]

CTN :45454846

06 Aug, 2026 NA

Rourkela - Odisha

Tender For supply of thermoplastic polyurethane spring pads (happy pads) for secondary springs of 3 phase locos as per ref. no.- 1 of s.c.rly drg. no.- c/els/ lgd/bogie/3/140 (alt.-2) [ warranty period: 30 months after the date of delivery ][quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]

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