Latest air preheater machine repair Tenders | Government air preheater machine repair Tenders

CTN :45430824

18 Jun, 2026 NA

Ariyalur - Tamil Nadu

Tender For supply of lab equipment - basic engineering lab materials, digital balanceweight 500g, accuracy 0.01g, top pan. tare function,caliberation- automatic external display type: led, digital tds meterrange 0-9990 ppm, resolution 1ppm, digital lcd display, atc feature., digital ph meterph range o to 14, resolution 0.01 ph, digital display, joule calorimetercopper 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, mortar with pestleporcelain/agate,gazed exterior, unglazed grinding surface.item weight 2290 gramsitem diameter 4 inches, water distillation unitoutput capacity: 2 4 liters per hourmaterial: stainless steel boiler and condenserheater: built-in electric heating elementpower supply: 220 240 v ac, 50 hzcooling: water-cooled condensersafety: automatic low water cut-off, 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, sensitivity 20 a/div, resistance approx. 100 ohms., voltmeterdc voltmeter; range 0 10 v, analog , ammeter dc (0 - 2 amp), cdecade resistance box3 or 4 dials, range 0.1 to 100 or 1k , constantan/manganin wire coils., rheostathigh-grade ceramic tube, oxidized resistance wire, 0.5a 5a, range 10 100 ., 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, wheatstone bridge kitseries arm: four decade dials in steps of thousands, hundreds, tens, & units of ohms. ratio arm: the ratio arm of the bridge is capable of selecting multiplying factor of 0.001, 0.01, 0.1, 1, 10, 100, 1000 for resistance measurements. two press keys are provided, one marked b is for battery & one marked g is for galvanometer one toggle switch is provided for internal battery a sensitive galvanometer is provided in the bridge., ohms law verification kitbattery 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), standard resistance coil of 1, 2 ohm (2-set) wound on a wooden bobbin, meter 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)

CTN :45197819

10 Jun, 2026 NA

Leh - Jammu And Kashmir

Tender For corrigendum : supply of provn of store shelter fems , erection tools , lightening conductor with earthing , field heating devices bukhari heat king , electric items

CTN :45419244

19 Jun, 2026 NA

Gwalior - Madhya Pradesh

Tender For tender for supply of power contactor , power contactor , power contactor , power contactor , mnx contractor , contactor , contactor , contactor , power contactor , contactor , power contactor , gi pipe , offload change over , onload change over , onload change over , offload change over , offload change over , onload change over , change over , onload change over , star delta starter , star delta starter , star delta starter , sluice valve , heat shrinkable straight through joints kit , cable pvc copper , cable pvc aluminum , switch socket , switch socket , modular switch socket , modular socket , modular switch socket , modular socket , plug top , switch socket combination , switch socket combination , industrial type plug socket spn 20 amp , brake fluid , spindle & nut gun meatal , butter fly valve , gate valve brass , gate valve brass , gate valve brass , spindle & nut gun meatal for sluice valve , connecting nut , cp brass ball valve , butter fly valve , street light timer , lead pig , led star bulb , rubber mating , tape insulation , dol starter , dol starter , rubber sheet neoprene rubber sheet , heating element , call bell , tinned copper fuse wire , tinned copper fuse wire , tinned copper fuse wire , gi nipple , gi plug , gi elbow , gi tee reducer , gi tee reducer , gi tee reducer , tyton joints for di pipe , gi tee reducer , gi tee equal , gi socket , gi plug , gi plug , gi union , hrc fuse , hrc fuse , lamp holder , nut & bolts , nut & bolts , gland packing , lubricating oil , capacitor , electric rubber hand gloves , copper lugs , aluminum lugs , aluminum ferrule , aluminum lugs , aluminum ferrule , aluminum lugs , aluminum ferrule

CTN :45423546

13 Jun, 2026 NA

Hyderabad - Telangana

Tender For supply of electrical accessories c c - dol starter (q3) , isolator switch (switch disconnector) conforming to is/iec 60947 (part 3) (q3) , terminal ends for aluminium conductors of insulated cables (compression cable lugs) conforming to is 8309 (q3) , modular electrical enclosure switch board boxes for modular type accessories (q3) , aluminium wire with valid bis license , electrical accessories with valid bis license , self amalgamating tape , high tension insulating cotton tape , pvc plug , ceiling rose with valid bis license , metal clad socket 230 v 10 amps , metal clad socket 230 v 20 amps , gang box , ac box , thermostat for electric water heater , fan down rod , zinc coated ms base plate forgeyser bottom , heating element 2.5 kw , air release valve brass suitable for geyser , geyser indicator lamps , stailnessteel water geyser steel tank , porcelain pin insulator for ht line , lead wool , pvc casing caping * /bid number : gem/2026/b/7604634 + /dated: 03-06-2026 ' ' / bid document 1 / 61

CTN :45415545

18 Jun, 2026 NA

Coimbatore - Tamil Nadu

Tender For purchase of chemicals - purchase of chemicals, kjedhal digestion apparatus - 6 test property- specificationinstrument type-kjedahl apparatusanalytes -total nitrogen (n)test capacity- 6 testsmeasurement method- kjeldahl digestion method (chemical digestion)detection range - nitrogen: mg/g to % levelaccuracy- 1 2% (method dependent)response time- 1 2 hours per digestion cyclesample type-soil, plant tissue, organic matterpower supply - 220 240 v ac, 50 hz heating system - electric digestion heater / mantle, teaching kit for plants fusion property- specificationinstrument type-demonstration kitanalytes- carbon dioxide (co ) fixation (conceptual)test capacity - group demonstration measurement method- visual/ model- based explanation response time - immediatesample type - lant models/ teaching aids 25exp kit,

CTN :45346458

10 Jun, 2026 NA

Vellore - Tamil Nadu

Tender For corrigendum : supply of i year physics, chemistry lab items dept use - digital balanceweight 500g, accuracy 0.01g, top pan. tare function,caliberation- automatic external display type: led, digital tds meter range 0-9990 ppm, resolution 1ppm, digital lcd display, atc feature., heating mantlecapacity: 500ml rating 200w with energy regulator, joule calorimetercopper 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, hotplateplate size:25 x 30 cm (10 x 12 inch) with adjustable thermostate controlup to 350 degree temprature controlheating element: nichrome heating elementpower supply: 220 240 v ac, 50 hz, electric bunsen burnermaximum temperature up to 800 degree c, power supply 220 to 240 v, power 350 w, water distillation unitoutput capacity: 2 4 liters per hourmaterial: stainless steel boiler and condenserheater: built-in electric heating elementpower supply: 220 240 v ac, 50 hzcooling: water-cooled condensersafety: automatic low water cut-off, ohms law verification kitbattery 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), standard resistance coil of 1, 2 ohm (2-set) wound on a wooden bobbin, boyles 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., 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.

CTN :45404122

09 Jun, 2026 NA

Palacode - Tamil Nadu

Tender For supply of equipment for mechanical engineering department - supply of equipment for mechanical engineering department, lathe machine :specification :bed: 2v & 2 flat, induction hardened and ground minimum bed length: 1375 mm bed width: 240 mm capacity: height of centre: 165 mm swing over bed: 320 mm swing over gap: 510 mm swing over cross slide: 180 mm distance between centres: 650 mm slides: cross slide travel: 200 mm compound slide travel: 115 mm spindle: spindle bore: 40 mm spindle nose: thread type, 62 mm spindle taper: mt-3 tail stock: quill diameter: 38.1 mm taper: mt-3 travel: 120 mm speed: no. of speeds: minimum 8 range: (40 800 )rpm threading: metric: (1 6 )mm (min 13 steps) english: (2 24 )tpi (min 19 steps) lead screw: (1 4) tpi electrical: motor: 1.5 hp, 230v/415v, 50 hz drive: v-belt structure: bed: close-grained cast iron (fg 260) gears: hardened steel base: rigid cast iron stand , open cup apparatus :specification :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 6 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 valvebody: stainless steel housing display: analog / digital temperature indicator power supply: 230v ac, 50 hz safety: overheat protection heat insulation , closed cup apparatus :specification :standard compliance: astm d93 / is 1448 (part 21) 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) display: digital temperature display power supply: 230v ac, 50 hz safety:over-temperature cut-off flame safety control , tail stock assembly :specification :medium-duty tailstock assembly for dismantling & assembly quill stroke: minimum 75 mm taper: mt-3 (preferred standard) feed: hand wheel operated features: set-over screws for taper turning spindle locking arrangement body: cast iron (fg 260) spindle: hardened steel, slip gauge :specification :set size: m87 (87 pieces) or equivalent range: 1.001 mm to 100 mm step sizes: 0.001 mm 0.005 mm 0.01 mm material: high-grade alloy steel / tungsten carbide (preferred) hardness: hrc 63 65 accuracy: grade: grade 1 or grade 2 flatne flatness / parallelism: 0.5 m stored in protective wooden boxes to prevent wear; calibration grades include charts for exact sizes , dc motor:specification :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 :specification :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 calibration grades include charts for exact sizes supply: mounted on training base suitable for dismantling and inspection , hydraulic operated directional control valves (dcv):specification :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 :specification :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: steelsupply:mounted on training base suitable for dismantling and inspection , coupling unit using driving and dr

CTN :45386611

15 Jun, 2026 NA

Tuticorin - Tamil Nadu

Tender For purchase of lab equipments for basic eng dept - purchase of lab equipments for baisc eng dept (physics and chemistry), digital balance itemcode: a001 weight 500g, accuracy 0.01g, top pan. tare function, caliberation- automatic external display type: led., joule s calorimeter itemcode: a005specifications:copper 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, ic regulated battery eliminator itemcode: a011specifications:ic regulated, input: 230v ac; output: 0-12v dc in steps of 2v; capacity: 1a or 2a., galvanometer itemcode: a012specifications:moving coil type, 30-0-30 scale, unbranded with bhel specification-sensitivitysensitivity, voltmeter itemcode: a013specifications:dc voltmeter; range 0 10 v, analog., ammeter itemcode: a014specifications:dc (0 - 2 amp), decade resistance box itemcode: a016specifications:resistance box 12 month warranty (dial type) -manganin coil- 2 dials, sonometer apparatus itemcode: a017specifications:sonometer 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), travelling microscope itemcode: a018specifications:branded travelling microscope 0 200 mm horizontal and 0-150 mm vertical measurement, potentiometeritemcode: a019specifications:it 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., rheostat itemcode: a021specifications:high-grade ceramic tube, oxidized resistance wire, 0.5a 5a, range 10 100 ., deflection magnetometer apparatusitemcode: a022specifications:deflection magnetometer apparatus with compass box and two short bar magnets, digital electronic balance /analytical balanceitemcode: a001/a007specifictions:load capacity: minimum,500 g readability: 0.01 g,linearity: 0.02g,display: lcd/led,tare function: required,top pan typepower supply: 220 240 v,ac, 50 hz, digital tds meter itemcode: a002specifictions:measuring range: 0 9990,ppm resolution: 1 ppm,display: lcdautomatic temperaturecompensation (atc): requiredwaterproof: minimum ip67 protectionpower source: battery, operated (button cell/aaa, digital ph meter benchtop model itemcode: a003specifications:ph type microprocessor/microcontrolle r ph range: 0 14resolution: 0.01 ph,accuracy: 0.05 ph or better combined ph electrode with temperature sensor two or three-point calibrationfacility temperature compensation type automatic display: lcdpower supply: 220 240 v ac, 50 hz warranty minimum 1 year, laboratory heating mantle (knitted glass yarn) itemcode: a004specifications:capacity: 500ml,temperature range: ambient to 350 c energy regulator/control knob:required power supply: 220-240 v ac,50 hz, mortar with pestle itemcode: a006specifications:material: porcelain size: 100 150 mm inner diameter exterior: glazed grinding surface: unglazed, hot plate itemcode: a008specifcations:top plate material: cast iron plate size: minimum 8 inchdiameter power rating: 2000 w temperature range: ambient o 200 c minimum thermostatic temperaturecontrol: required power supply: 220 240 v ac, 50hz., electric bunsen burner itemcode: a009specifications:electrically operated energy regulator/ control knoboperating temperature 800 c body: stainless steel power supply source: corded electric, supplied with a heavy-duty, heat-resistant,earth-grounded, 3-pin power cord (minimum length 1.2 meters). power consumption: between 350 and 500w power supply: 220 -240 v ac, 50 hz, water distillation unit itemcode: a010specifications:output capacity: 4 litres per hour (lph) ph value: 5.5 to 7.0conductivity (raw water distillation):3.0 4.0 s/cm or less glassware material:borosilicate 3.3 glass (pyrex/duran

CTN :45370611

09 Jun, 2026 NA

Leh - Jammu And Kashmir

Tender For supply of field heating system electric : : - provn of elect heating sys , electric items , operating manual , saftey device , amc

CTN :45224415

10 Jun, 2026 NA

Kinnaur - Himachal Pradesh

Tender For corrigendum : supply of puf panels 50 mm thick , false ceiling with 8mm thick with cellulose fibre for fixing in 600mm x 600mm grid , pre painted galvalume aluminum steel sheet 0 point 80mm thick , verandah cover with aluminium partitions with 5 point 5 mm thick plain glass , ismb , hollow iron , angle or flat iron or base plate , ms sheet , tmt bars , nut and bolt , door of size 1200x2100 mm , door of size 900x2100 mm , door of size 750x2100 mm , window of size 1200x1200mm , ventilators of size 450x300 mm , fire extinguisher ball 1 point 30kg , curtain rod of size 1 point 30 m length , steel almirah large , smart ortho mattress ultimate back pain relief size 1 point 80 meter length and 0 point 90m wide and 150mm thick , foot scraper , iron foot mat , white cement , looking mirror size 0 point 45x1 point 65m , double bunks ms tubes with 12mm thick , floor mounted hot and cold water dispenser of capacity 20 ltrs , bed side table of size 450mmx300mmx400mm , puf tank 1000 ltrs , plastic dustbins of toughened plastic 120 ltr , stainless steel shoe rack and shoe stand and multipurpose stand 31x24 inch , sealing material , laminated wooden floor 24mm thick wooden ply with 3 mm thick , fd heating device alongwith all accessories , solar light solar street light 24w , septic tank 3000 ltrs with anaerobic soakage pits , ordinary portland cement , coarse sand , stone aggregate 20mm , stone aggregate 40mm , stone aggregate 10mm , vitrified tiles square 600x600x10mm as in floors , non skid tiles square 300x300x8mm as in toilet , stone aggregate 63mm , mcb distribution board db 12 way , mcb sp 32 amps , mcb sp 16 amps , mcb single pole 100 amps , mcb sp 10 amps , lt panel feeder box with complte accessories and 440 volts , die casted bulk head 8 watt , 16 amp modular switch and socket combination with gang box , 16 oblique 6 amp modular switch and socket combination ) /bid number : gem/2026/b/7549916 * /dated: 16-05-2026 & & / bid document 1 / 61 with gang box , modular piano switch 6 amp modular switch , modular piano switch 16 amp modular switch , 16 amp modular socket , modular gang box 12 way , modular gang box 06 way , modular gang box 04 way , modular gang box 03 way , led tube light fitting 4 feet long complete with all accessories , led tube light fitting 2 feet long complete with all accessories , electric geyser 25 ltr , wire flexible twin core 23 oblique 0076 pack of 90m , 1100 v grade frls pvc insulated and unsheathed multi stranded copper conductor of size 2 point 5 sq mm , pvc insulated unsheathed copper cable 4 sq mm multi strand frls , 1100 v grade pvc insulated pvc sheathed copper stranded conductor two core of size 16 sq mm , pvc insulated unsheathed copper cable 6 sq mm multi strand frls , earthing , lightening arrester , gi screw 8 mm x 45 mm full threaded 500 nos , gi screw 8 mm x 25 mm full threaded 500 nos , gi screw 8 mm x 75 mm full threaded 250 nos , pvc insulation tape 19mm width 25m long , cp bib cock 15 mm , cp pillar cock 15 mm , cp stop cock 15 mm bore , cp soap dish , cp towel rail 24 mm dia 600 mm long , vitreous china ceremic floor toilet seat p or s with 10 ltrs capacity flushsing cistern , vitreous china bowl urinal flat back and size of 465 mm x 355 mm x 265mm white including bracket and waste pipe and urinal spreader , ss garting 100mm dia with hole , ss garting 100mm dia without hole , vitreous china wash hand basin with pedestal 58 x 43 point 5 x 82 point 5 cm , cp health faucet with fixing screw and complete set , pvc pipe 110 mm dia , pvc y obliqet junction 110mm dia , pvc socket 110 mm dia , pvc bend 110mm dia , pvc floor trap 75mm dia , pvc pipe 75mm dia , pvc elbow 75mm dia , pvc door bend 75 mm dia , pvc bend 75 mm dia , pvc shoe bend 75 mm dia , pvc t 75mm dia , looking mirror 450 x 600 mm fiber plastic frame , sealing thread

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