Latest proving ring Tenders | Government proving ring Tenders

CTN :41587246

12 Sep, 2025 NA

Mumbai - Maharashtra

Tender For corrigendum : tender for supply of compensating spring , guide screw , screw for upper seal fixing , pump gasket , washer , double lock plate 8x45 , grating 1140x100 glass fiber , outer valise fr , operating mechanism liferaft for service 2 , restrainer suit , hydraulic accumulator , bearing for pinion shaft , coupling , bearing for pinion shaft 30 x 38 x 30 46 x 4 , bearing for gear 22 x 26 x 25 32 x 3 , brake of gear , washer , washer 21 x 27 x 1 5 , washer 13din463 inox , washer 12din 127 , washer usit 8 7 x 16 x 1 , washer usit 6 7 x 11 x 1 , washer 15din 125 , washer 14din 127 , washer 8 x 12 x 1 5 , washer 10 x 16 x 1 5 , washer 23 x 30 x 2 , washer 12 x 18 x 1 5 , washer 14 x 18 x 1 5 , bearing , rod seal 28x31x5 5 viton , piston seal omkmr 50x39x4x4 2 ptfe glass nbr , 615 valve spring , g050 complete shaft seal version code xvxx , oeseal 37 82x1 78 , oeseal 21 95x1 78 , friction ring , friction washer , cotter pin 4x35 , springtype straight pin , lock washer , lock washer , grease tap , oring r13 , oring r30 , oring r36 , oring 30 00x3 00 nbr 70 , oring package electronics housing module , o ring , flat gasket dia30 5x44 5 ep0 5 , flat gasket 66 5x66 5 ep0 5 , sealing , seal set jw ref pb80 , 22/28x1 5 copper gasket , oring sealdia 127 x 2 5 , stud m 1235 bm 12 a480 nf e 25135 24 , screw h m 1635 a480 nf en iso4017 25 , screw chc m 620 a480 25/1 , nut m12 a470 nf en iso 4032 37 , pindia420 a470 nf e27481 59 , screw locking devicedia 12 , hempadur 4508h , hempadur 4508h grey 17140 , hempadur 45143 red 50630 , hempadur 45182 black 19990 brush , cable 1 x 10mm type h07rnf , hempadur mastic 45880 , flat seal , hempatex hb 46410 , hempatex hb 46410 black 19990 , cshaped flanged cable guide , closing strip , chain end attachment , bushing , chain support , seal , brass lubricator g 20 m10x100 , battery unit , screw m102020 , seal 044x062x2 , 21 30x3 60 nbr 80sh oring , 12 50x2 00 20a8 oring , oring , g012 rotor set cwrotation std low leadpump form l6 , balls bearing cs 6311 llb 2a na 33 , ball bearing 1r radial , hempel s anti slint powder 6500 on wet film , oring dia3x1 5 64c8 216904780 , quad ring seal 90 00x5 33 64c8 , mechanical seal simple b65/70 , ring bsd59 45 20a8 l j f , elastic coupling , oring seal d 58 x 2 fluorocarbon , oring sealdia 5 x 2 5 fluorocarbon , oring sealdia 93 x 2 5 fluorocarbon , oring d 139 3 x 3 53 nitrile 231 , oring d 172 x 3 20a8 23/1 , oring d 23 x 3 6 nitrile 70 shore 23 , radial oil seal type ba , outlet flange gasket , circlips , screw chc m820 stainless steel , bearing snfa , lock tab washer od 8 , screw h m16x70x38 cl 88 , filter , paper gasket square 51 00x40 00x0 5 holes 31 4 , steel screw h m16x60x38 8 8 , screw h m10x25x25 ss a4l80 , screw h m4x10x10 ss , screw h m8x30x30 cl88 , oring , pin v220 2673020 , bare steel threaded rod m12x1000 , split lip seal , upper seal , lower seal , gland for screw housing , upper seal , lower seal , gland for screw housing , mooring line polyamid 60m l22mm dia 97310n mini break load , cotter pin 6x65 copperaluminium , 120 m towing line , 7 m towline , chain , stainless steel washer d17 aisi 304 , screw locking device ref dn 10 , screw locking device ref dn 5 , tapper screws steel 10 9 254 , oring d 72 39x5 33 , shaft drain valve nd32 ht , ball drain valve nd32 ht , seat drain valve nd32 ht , orings kit for 11 solenoid valve , oring 67x4x75nbr90shore , serrated lock washer external teeth 5 , washer head screw m8 l10 , screw hm 0612 , oring 59 00x5 33 20a8 , stf330702/002e056x070x3 fiber gasket 56x70x3 , stf330702/002e081x094x3 fiber gasket 81x94x3 , oring dia6x1 864c8 , mechanical seal , oring dia12x1 5 64c8 , oring dia23 4x1 78 64c8 , oring dia11 89x1 98 20a8 , lock washer , plate

CTN :41727575

03 Oct, 2025 NA

Multi City - Multi State

Tender For supply of compensating ring (disc) for primary suspention of fiat bogie to icf drg no. aaa01031 item no-1 (item sl no. 5). alt-b, thicness 12 mm (twelve) only. [ warranty period: 30 months after the date of delivery ]

Central Government/Public Sector

CTN :41694935

18 Sep, 2025 NA

Bhavnagar - Gujarat

Tender For supply of compensating ring.

CTN :41695043

29 Sep, 2025 NA

Halisahar - West Bengal

Tender For supply of compensating ring for bolster suspention etc.

Central Government/Public Sector

CTN :41489566

06 Oct, 2025 1.00 Crore

Noida - Uttar Pradesh

Tender For open tender document for e-procurement of laboratory equipment (soil, aggregates, cement, reinforcing bar, concrete test equipment, water, geo-textile and geogrid) for material testing laboratory of iahe - soil, unconfined compressive strengthcompression device with digital load frame: hydraulic proving ring, dial gauge vernier callipers, timer, oven, weighing balance, shear strength vane shear apparatus, grain size analysis as per is:2720 (part- iv)pipette apparatus (i) sampling pipette (ii) glass sedimentation tubes (iii) weighing bottles (iv) deleted (v) stirring apparatus (vi) sieves -2mm, 425umm , 75umm is sieves (vii) deleted, specific gravityhydrometer apparatus: two 1000 ml graduated cylinders, dispersing agent solution containing sodiumhexa-metaphosphate, dessicator and centimetre scale., shrinkage limit testfull set of equipments 1.) evaporating dish of porcelain, 2.) spatula and straight edge, 3.) balance-sensitive to 0.01 g minimum.4.) shrinkage dish. circular, porcelain or non-corroding metal dish, 5.) glass cup. 50-55 mm in diameter and 25 mm in height,6.) glass plates. two, 75x75 mm one plate of plain glass and the other prongs, 7.) thermostatically controlled oven,8.) wash bottle containing distilled water, 9.) graduate-glass, with capacity of 25 ml. 10.) mercury., sand equivalent value(i) graduated cylinder (ii) irrigator tube (iii) siphon assembly (iv) weighted foot assembly (v) measuring can (vi) sieve -4.75mm (vii) funnel (viii) 4- litre bottle (ix) flat pan (x) timing device (xi) sand equivalent shaker, ph test -electronic method(i) ph meter (ii) digital balance 300 gm capacity-sensitive 0.001gm (iii) 100ml glass beaker -3nos. (iv) volumetric flask-500ml -nos. (v) wash bottle-100 ml (vi) mortar with rubber covered pestle, aggregates, polished stone value (i) accelerated polish machine mounted on firm ,level and non resilient base of stone or concrete (ii) road wheel (iii) means for rotating road wheel (iv) means for bringing the surface of a rubber-tyred wheel of 20 cm diameter and 5 cm breadth to bear on the stone surface of the road wheel with a total load of 40 kg. (v) means to feed the sand and water at a uniform rate (vi ) means to feed the emery powder and water at uniform rate (vii) friction tester: is: 2386 part 4 as per specification of rrl uk (viii) 25 kg hard siliceous sand (ix) emery powder 5 kg, alkali aggregate reactivitymortar bar method: scales, weights, sieves, glass graduates, specimen moulds, mixing bowl, tamper, trowel, containers, length comparator, alkali aggregate reactivity chemical method:1. electronic balance2. pulveriser3. reaction container, reagents, glassware, petrographic examination 1. geological hammer2. petrographic microscope3. screen confirming to is sieve4. digital balance5. portable handheld cutting machine6. hand lens7. glass sides etc., deleterious material & organic impuritiessedimentation pipette: a watertight screw-topped glass jar, 1000 ml measuring cylinder, chemicals, containers, sieves, cement, soundness (autoclave apparatus)graduated glass cylinders, moulds, autoclave, length comparator, compaction (mortar cube vibrator), fineness (blaine air permeability apparatus), ph meter ( 2 in nos.), reinforcing bar (steel), reinforcing bar (steel) universal testing machine,to determine unit weight, yield strength,, proof stress, ultimate tensile strength, % elongation, bend and re-bend test, concrete test equipment, vibrating table 1mx1m(full set of equipments), needle vibrator ( 2 in nos.), permeability, dry shrinkage (shrinkage apparatus) ( 2 in nos.)(full set of equipments), air content (air entrainment meter apparatus)(full set of equipments), durability (rapid chloride ion permissibility apparatus), depth of penetration (water permeability apparatus) ( 2 in nos.)(full set of equipments), water, physical analysis of water, geo textile and geogrid, pull-out resistance of geotextile /geogrid

CTN :41508263

10 Sep, 2025 NA

Shahdol - Madhya Pradesh

Tender For supply of physics lab equipment - procurement of physics lab equipment, millikans oil drop 1. gap between parallel plates : 5 mm 2. voltage supply between the plates: 140 800v dc continuously variable o regulation : 0.1% o stability : 1 digit 3. voltmeter : 3 digit led 4. illumination between the plates : led 5. microscope : magnification 30x 6. time meter : 0 999.9 sec 7. monitor: 420 tvl, lcd monitor 8. input power supply : 220v ac/50 hz 9. density of the oil used: 929 kg/m, fresnel bi-prism1. optical bench, 1000mm- 1 2. riders, lateral adjustment -2 3. riders, plain- 2 4. sodium lamp, 20w, 110v 1 5. adjustable slit -1 6. biprism carrier, adjustable 1 7. lens carrier, plain 1 8. eyepiece carrier, adjustable 1 9. micrometer eyepiece 1 10. ground glass screen- 1 11. eyepiece adapter ring -1 12. height fixing collar -3 13. biprism 1 14. lens, f = +150mm 1, cascade control trainer1.power supply: 220v ac / 50 hz or as per regional requirements 2.temperature range: ambient to 100 c or higher.3.flow rate range: 0 10 l/min (or adjustable based on application). 4.pressure range: 0 2 bar (or customizable).signal types: input: 4 20 ma, 0 5 v, 0 10 v (selectable). output: 4 20 ma, 0 5 v, 0 10 v (compatible with actuators).accuracy: 0.1% of full scale. response time: 100 ms. pid parameters: adjustable proportional, integral, and derivative gains., celeastron nexstar evolutionoptical deisgn: aplanatic schmidt-cassegrain aperture: 235 mm focal length: 2350 mm focal ratio: 10 focal length of eyepiece: 26 mm included barlow lens: omni 2x magnification of eyepiece: 90xmagnification of eyepiece with barlow: 180x finderscope: starpointer pro star diagonal: 2 mount type: single fork arm altazimuth tripod: stainless steel power requirements: internal battery included highest useful magnification: 555x lowest useful magnification: 34x limiting stellar magnitude: 14.4resolution (rayleigh): 0.59 arc seconds resolution (dawes): 0.49 arc secons light gathering power (compared to human eye): 1127xoptical coatings: starbright xlt secondary mirror obstruction: 3.35 in (85 mm) secondary mirror obstruction by diameter: 36%secondary mirror obstruction by area: 13%optical tube length: 22 intotal telescope kit weight: 21.14 kgmax slew speed: 4 degrees per secondtracking rates: sidereal, solar and lunaralignment procedures: skyalign, 3-star align, solar system aligncommunication ports: 1 hand control and 3 aux ports for optional accessoriesapp database: over 120,000 including 220 of the best deep sky and solar system objectsusb charge port: yes, spin coating unitprograms10 programs with up to50 steps each15 programs with up to50 steps eachspeed stability 2% 0.25%speed 120 rpm to 6,000 rpm 500 rpm to 10,000 rpmspin time 1 s- 1,000 s 1 s to 3,600 spower supply 24 vdc / 2ainterlock software/hardware interlockcase dimensionswidth: 170 mmheight: 140 mmdepth: 225 mmmaterialscentral pp unit andchuck, steel case, petdisplay and keypad, andtempered glass lidcentral ptfe unit andchuck, steel case, petdisplay and keypad, andtempered glass lidfuses 1 a slow blowweight 3 kg 3.7 kg, 3d printerpanel size 15 build size 33 x 18.5 x 40cm (lwh)build plate perforatedpanel resolution 8k resolutionaverage printing speed 70mm/hrxy resolution 43micronz-resolution from 10 micronoperation 5 touch panelconnectivity usb/ethernetslicer software chitubox v1.8.1printer size l40 x w47 x h68cmprinting volume l33 x w18.5 x h40cmprinter weight 35kghousing full metal, ellipso meter (holmarc)measurement range, 1 nm ~ 300 nm ; incident angle, 30 ~ 90 , error 0.1 ; dpss laser, 532 nm, 5 mw ; si photodiode, 5.8 x 5.8 mm active area ; polarizer, 0 ~ 360 ., michelson interferrometerbase dimension: 290x212x168mm (lxwxh)distance (m2 & bs): 100mmbeam splitter: 50 x 38 x7mm (lxwxt)compensating plate: 50 x 38 x 7mm (lxwxt)mirrors m1 and m2: 30 mm dia, thickness 10mmr:t: 50 : 50flatness of beam splitter: /8least count: 0.01mm (coarse adjustment knob)least count: 0.0001mm (fine adjustment knob), magnetic

Central Government/Public Sector

CTN :41640415

22 Sep, 2025 NA

Bhopal - Madhya Pradesh

Tender For supply of 1)compensating ring for axle box guide to [compensating ring for axle box guide to icf drg no t-0-0-602 item no. 19 alt. i /nil ] .2)compensating ring 12mm thick to icf drg. [compensating ring 12mm thick to icf drg.no. t-0-0-602 alt l(small l), item 9, material specn is 2062/2011 (amdt 1/2012) reviewed in 2021 ,grade e250 cu-c] .

CTN :41587047

16 Sep, 2025 NA

Pune - Maharashtra

Tender For supply of fuse electrical 5 amps , 10316626 lv7 itr beml 651 65 lashing ring , 10317849 lv7 itr beml 4030 000476 dee shackle with bolt and nut , 10321822 lv7 itr beml 5310 006454 nut lock hex lh threads precision steel , 10322569 lv7 itr beml 5315 002722 pin cotter split 6 3 x 90 mm long , 10322299 lv7 itr beml cfpo 104060 split cotter dia 4 x 60 lot 3 4 , 10322815 lv7 itr beml 5315 002727 pin straight headed ms 38 long x 9 5 dia , 10325521 lv7 itr beml 3120 000377 bushing sleeve steel ht od 58 x id 50 , 10531428 lv7 itr beml 5305 002055 screw machine hex head course pitch , 10311601 lv7 itr beml 50 190 39 washer flate steel od 56x id 33x 3 15 , 10311686 lv7 itr beml 50 223 63 flexible metallic hose 16 id 6 mtr long , 10316406 lv7 itr beml 50 96 torsional spring for pressure guage , 10322071 lv7 itr beml 8305 000424 50 24 23 felt oil seal felt strip 10 x 10 x 510 , 10322584 lv7 itr beml 5315 003175 pin toggle eye collar lot 2 to 4 , 10326461 lv7 itr beml 50 64 17 spring washer m 20 b lot 1 , 10341322 lv7 itr beml 2530 001701 hose assy brake intra vehicular , 10312170 lv7 itr beml 50 223 82 plug 2 pin heavy duty metallic , 10312571 lv7 itr beml 5340 003292 clip retaining 35 a 50 62 140 , 10314459 lv7 itr beml 50 359 2 rod dia 20 x 500 long lot 3 4 , 10317521 lv7 itr beml 50 215 17 hex bolt m 16 x 50 lot 1 2 , 10317914 lv7 itr beml 50 38 11 conical head grease nipple lot 1 , 10318832 lv7 itr beml 50 319 128 hex nut m 10 lot 2 to 4 , 10320743 lv7 itr beml 50 414 washer flat steel ms od 70 x id 39 x 6 , 10321526 lv7 itr beml 3020 000435 pulley groove , 10322305 lv7 itr beml 50 629 103 pipe l 900x5 8 od x16 g seamless ms tube , 10323044 lv7 itr beml 50 641 cap assy lot 2 to 4 , 10311515 lv7 itr beml 6220 000158 light convoy cross 10 8o n , 10312853 lv7 itr beml 4820 000711 shut of cock , 10313491 lv7 itr beml rtto 404400 extension bar 20 len 400mm to is 7991 , 10314227 lv7 itr beml 50 389 2 cover lot 3 and 4 , 10314329 lv7 itr beml 5365 008416 50 214 1 shim 2 mm thk shim for thrust pad 2mm , 10317621 lv7 itr beml 50 424 bituminous felt washer lot 2 to 4 , 10317767 lv7 itr beml 50 52 7 tie rod assy lot 1 and 2 , 10317854 lv7 itr beml 50 481 nut assy , 10317895 lv7 itr beml 50 179 1 link assy lot 2 to 4 , 10317931 lv7 itr beml 50 38 7 washer od 130 id 50 thk 10 lot 1 , 10317961 lv7 itr beml 50 15 1 bracket hinge lh lot 1 2 up to trl , 10318974 lv7 itr beml 5306 057300 bolt machine , 10322538 lv7 itr beml 5315 003208 pin straight headed lot 2 , 10558600 w17 8705458 hd socket 41mm 19mm sq drive , 10333087 lv7 av 15 324 914 030 558 small sphere 38 100 400 dvc 500016 222 , 10344972 lv7 av 15 485 sd 91087 hose 722 16 1515 650 , 10339074 lv7 av 15 616 811 000 000 paint brush , 10329027 lv7 av 15 578 003 003 252 64 compensating washer , 10334660 lv7 av 15 578 003 009 152 16 packing , 10312782 lv7 t 815 993 300 089 0 o ring , 10333514 lv7 t 815 5307 004463 stud c m8x65 is 1862 1975 8 8 , 10346822 lv7 t 815 101 111 014 124 deck covering sealing coating , 10337230 lv7 t 815 5315 009535 split pin 4x36 is 549 74 , 10334126 lv7 t 815 107 214 115 120 washer spring tension 107 214 115 120 , 10334539 lv7 t 815 106 231 140 411 screw self drilling 106 231 140 411 , 10315746 lv7 t 815 4x4 442 054 430 044 knob , 10531998 lv7 t 815 hmv 442 076 827 844 line , 10530973 lv7 t 815 hmv 442 052 780 244 //bid details 3 / 147 nut , 10515785 lv7 t 815 hmv 319 110 543 000 coupling 13 csn 137881 22 , 10532040 lv7 t 815 hmv 442 076 835 804 line , 10531846 lv7 t 815 hmv 442 076 856 524 line to inflation boosting , 10518288 lv7 t 815 hmv 442 976 960 084 angular lever rh , 10326969 lv7 t 816 205 501 132 4 fuel tank belt , 10326263 lv7 krz pk2 3714250 lamp cover black out for cab celling , 10344761 lv7 krz a31 32 6105000 door lock lh and rh , 10317053 lv7 krz 255b 4224175 21 hose assy adaptor , 10347474 lv7 krz 214b 1602069 bracket bushing , 10328605 lv7 krz 236 1701042a gasket , 10317682 lv7 krz 214 6103268 channel run side door window drop , 10333974 lv7 krz 256b 3509

Central Government/Public Sector

CTN :41567990

15 Sep, 2025 NA

Subansiri - Arunachal Pradesh

Tender For supply of geotechnical engineering lab with accessories : - analogue consolidation apparatus single gang , digital consolidation apparatus , vibrating wire piezometers , laboratory electric oven , core cutter , sample tray , vibrating wire , rain gauge system , measuring cylinder , digital unconfined compression testing machine , desiccator vacuum , spilt spoon sampler , electronic weighing machine , sampling tube unrelieved , digitizing direct shear set up , hydrometer , test sieves in brass frame , shrinkage limit set , spatula , permeability of soils , sand replacement , porcelain evaporating dish 100 ml capacity , integral type compression proving ring , integral type compression proving ring2 , analogue triaxial test apparatus , digital triaxial test apparatus with daq and analysis software , consolidation cell assembly , universal penetrometer , electronic balance capacity , rubber membrane

CTN :41554777

15 Sep, 2025 NA

Liluah - West Bengal

Tender For supply of compensating ring

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