Latest back up ring Tenders | Government back up ring Tenders

CTN :45532259

21 Jun, 2026 NA

Kanchipuram - Tamil Nadu

Tender For supply of mechanical and electrical equipments - supply - mechanical lab equipments, single phase ac circuit kit for voltage, current and power measurement- 5a,300v, 300w/5a measurement of power by using various loads analog voltmeter 0-300v ac panel mountedanalog ammeter 0-5a ac panel mountedanalog wattmeter 1.5kw ac panel mountedsingle phase digital power monitor to measure powersingle phase ac lamp load 230v/5a 1kwpanel enclosure with hylam front panel with input/outputterminal outlets , mcb elcb trainer kit- 1 phase/3 phase, 2/3/4 pole, 3a-16a single pole mcb 2-5ampstwo pole elcb 30malamp load single phase 5amps panel enclosure and terminal outlets, four stroke petrol engine cut section model - single cylinder four stroke petrol engine cut sectional model with carburetor, spark plug, cut cylinder, piston, connecting rod, crank shaft, valve mechanism, cam shaft, timing gears and flywheel. all parts cut opened to study the components and its working provision to take values for valve timing. surface finish: painted and color coded for easy identification of components mounting: heavy-duty ms fabricated stand/base display type: static / dynamic demonstrationmodel, 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 armaturefeatures: 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: steelsupply: mounted on training base suitable for dismantling and inspection, 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 coversmounting: 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 bearingtype: self-aligning ball bearing (1200 series) or spherical roller bearing (22200 series).bore diameter: standard 25mm or 30 mm. shafting and coupling shaft material: groundcarbon 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)., (a).sliding mesh gear box for dismantling and assembling - (a) max transmitted power 1to1.5hp, torque capacity- 40 to 200nm, number .of speed 3 to 6, gear module 1.5 to 2, sliding mesh gearbox gearbox type- sliding mesh forward gears- 3reverse -yes gear material -alloy steel lubrication- splash / oil gear teeth- spur typical gear ratios- 3.2:1 / 2.0:1 /1.3:1 input speed- 0 1800 rpm housing material- cast iron(b) constant mesh gear box cut section - constant mesh gearbox (cut section) gearbox type :constant mesh forward gears :4 gear teeth -helical / spur dog clutch type- sliding lubrication -oil sae 80w90 housing- cut section material -hardened alloy steeleducational features-labeled parts., measurement scale: a vertical steel meter scale, usually with (1mm) graduations, for precise deflection measurement., accessories: includes a set of slotted weights (e.g., (6times 50g) or similar sets) for incremental loading.

CTN :45512348

17 Jul, 2026 NA

Ernakulam - Kerala

Tender For supply of o ring v p s , o ring plunger retainer , o ring drain plug , back up ring , gasket plunger retainer , o ring , o ring valve plug , o ring , o ring , o ring valve seat , washer split lock , o ring , o ring spacer , pump shaft with pos 15 16 , o ring gasket oil gauge , oil seal crankshaft , oil seal crank case , low pressure seal , valve plug 70kg , impeller , o ring drain plug , o ring valve seat , gasket , spacer ring , spacer ring , o ring , gasket , valve , valve seat stepped , backup ring valve seat , retainer valve spring , hex head bolts , socket head cap screw , hex nut , circlip , nut , bolt nut , o ring hydraulic disc , o ring , o ring

CTN :45513739

02 Jul, 2026 NA

Ernakulam - Kerala

Tender For supply of wearing ring , spacer sleeve , gasket , gasket , allen screw , mechanical seal , gasket , gasket , pipe nipple , hose complete , double nipple , air inlet valve , hose complete , impeller key , allen screw , air wheel key , shaft sleeve , shaft sleeve , gasket , gasket , bearing housing , grease nipple , oil seal , pump shaft , splash ring , adjusting bush , angular con bearing , inner circlip , nilos ring , nilos ring , adjusting ring , external circlip , allen bolt , impeller , wearing ging , spacer sleeve , coupling half motor side , gasket , gasket , allen screw , allen screw , dowel , hex nut , allen bolt , mechanical seal , gasket , gasket , air wheel , impeller key , allen screw , air wheel key , shaft sleeve , shaft sleeve , gasket , gasket , bearing bracket , oil seal , shaft , splash ring , adjusting bush , roller bearing , ang con bearing , inner circlip , nilos ring , nilos ring , adjusting ring , outer circlip , allen screw , allen bolt , o ring , float niddle , float , o ring , valve seat long , valve seat short , impeller

Central Government/Public Sector

CTN :45543673

29 Jun, 2026 NA

Bhopal - Madhya Pradesh

Tender For supply of roots blower model 3mtl-150 s of s r furnace 80 ton , heavy duty industrial use high precision gear pair of roots blower of s r furnace 80 ton , suction silencer of roots blower , silencer discharge of roots blower , safety valve , nrv wafer type , recommended oil , sealing bush , oil seal , pressing ring , distance bush , splash guard de side , lock washer , lock nut , locking washer , splash guard nde side , gasket for outer cover a and b , o ring for outer cover a 54 x 4

CTN :45456072

19 Jun, 2026 9.50 Lacs

Jaipur - Rajasthan

Tender For corrigendum : rate contract for supply of consumables items for e.t.p. section at jaipur dairy - safety industrial gloves, safety eye goggles, safety shoes (all sizes), star coupling l-100, star coupling l-95, star coupling l-75, star rubber l-110, star rubber l-100, star rubber l-95, gland dori 10 mm, gland dori 08 mm, gasket rubber (all size), gasket silicon 2 mm, ms nut bolt (all size), gi nut bolt (all size), oil seal 174707, oil seal 256510, oil seal 306510, oil seal 408010, oil seal 486510, oil seal 558010, oil seal 60858, oil seal 507813, oil seal 253707, oil seal 256210, oil seal 436210, oil seal 60858, oil seal 507813, pressure gauge 0–1.0 kg/cm², pressure gauge 0–2.1 kg/cm², pressure gauge 0–4.2 kg/cm², pressure gauge 0–7 kg/cm², pressure gauge 0–10 kg/cm², pressure gauge 0–15 kg/cm², pressure gauge 0–21 kg/cm², pressure gauge 0–28 kg/cm², pressure gauge 0–30 kg/cm², pressure gauge 0–35 kg/cm², pressure gauge 0–600 mmwc, pressure gauge 0–100 mmwc, pressure gauge siphon q type (1/2"), pressure gauge siphon u type (3/4"), pressure transmitter 0–1 bar, pressure transmitter 0–10 bar, pressure transmitter 0–40 bar, poly propylene tubing 3/8" × ¼" uc-12, anti siphon valve assembly 3/8" × ¼", foot valve assembly 3/8" × ¼" uc-12, ss ring 3/8" uc-12, diaphragm uc-12, anti syphon valve assembly ½" pv, ball guide assembly pvc, y-strainer ½" pv gb-404, straight intermediate connector 8mm–6mm, straight intermediate connector 10mm–8mm, straight intermediate connector 12mm–10mm, straight intermediate connector 6mm–6mm, straight intermediate connector 8mm–8mm, straight intermediate connector 10mm–10mm, straight intermediate connector 12mm–12mm, equal tee connector 6×6×6 mm, equal tee connector 8×8×8 mm, equal tee connector 8×8×8 mm, equal tee connector 8×10×10 mm, equal tee connector 10×10×10 mm, straight male connector dia. 10 × ¼ mm, straight male connector dia. 10 × ½ mm, straight male connector dia. 6 × 2 mm, straight male connector dia. 6 × ½ mm, straight male connector dia. 8 × 4 mm, straight male connector dia. 8 × 3/8 mm, straight male connector dia. 8 × 5/16 mm, solenoid valve evpcs/nc dn 40, solenoid valve evpc/nc dn 50, 3mtl 080 machine model, rotor pair, gear pair, bearing bush, lock nut a/b side, lock washer a/b side, splash guard a/b side, gasket, pressing ring, oil level glass, taper bush with nut, nrv

CTN :45399907

19 Jun, 2026 27.98 Lacs

Ganganagar - Rajasthan

Tender For corrigendum : supply of hydraulic spares of side arm chargers and wagon tipplers at chp, sstps, suratgarh - d.c.valve:4we6d6x/eg24n9k4 with solenoid &connecter or equivalent, d.c.valve:4we6y6x/eg24n9z4 with solenoid &connecter or, equivalent, hose pipe dko12s l=1200mm one side 90 bend, fittingstraight, connector : 12sr x ½" port connection size : g 3/8", hose pipe dko 38 sx 1000 mm, r13 with end fittings, hose pipe dko 12s x500mm,, one side 90 deg. with end, fittings, hose pipe dko 12sx 900mm,, one side 90 deg. with end, fittings, hose pipe dko 12s l=900mm, one side 90 deg. bend with,, fitting- straight connector : 25, sr x 1" port connection size, :19 dia, hose for sac :, hose pipe dko 12s l=500mm, one side 90 deg. bend with end, fittings, hyd. hose din 20022/en 853-2sn dn 40 i.d. 1.1/2'' w.p. 90, bar/1300 psi exceeds sae 100, r2 at l-6 mtr., hyd. hose sae 100 r1 at-10- i.d. - 5/8" l-6 mtr. working, pressure 350 bar/5100 psi, hyd. hose din 20022/en 853-2sn dn 20 i.d. 3/4'' w.p. 215, bar/3100 psi exceeds sae 100 r2 at l-1.6 mtr., hyd. hose din 20022/en 853-2sn dn 8 i.d. 5/16'' w.p. 350, bar/5100 psi exceeds sae 100 r2 at l-1.6 mtr., sae 100 r13-20 or eq. id 1-1/4'' with std end assy. on one, end m52x2 fs'o' ring type straight and other end with, m52x2 fs'o' ring type 90 degree swept elbow suitable, for 345 bar working pressue l-1.5 mtr., sae 100 r1a-10 or eq. id 16 mm with std end assy. on, both ends having stand pipe of 18mm od x 30 mm long, suitable for working pressure 130 bar l-1.5 mtr., sae 100 r13-12 or eq. id 19 mm with std end assy. on, one end m36x2 fs'o' ring type straight and other end, with m36x2 fs'o' ring type 90 degree swept elbow, suitable for 345 bar w.p. l-1.5 mtr, sae 100 r1a-06 or eq. id 10 mm with std end assy. on, both ends having stand pipe of 12 mm od x 30 mm long, suitable for w.p. 180 bar l-1.5 mtr, hose: din 20022/en-853-2sn dn 19 id-3/4'' (19.0 mm) w.p., 3100 psi/215 bar (21.5 mpa) sae 100 r2 at length = 1 mtr, hose: din 20022/en-853-2sn dn 19 id-3/4'' (19.0 mm) w.p., 420 bar (42 mpa) sae 100 r2 at length = 1 mtr, hose: din 20022/en-853-2sn id-5/16'' (7.9 mm) w.p. 5100, psi/350 bar (35 mpa) sae 100 r2 at length = 1 mtr, d.c. valve :4we6j 6x/e g24 n9z4 with solenoid & connector, or equivalent, check valve :z2s6-1-6x or equivalent, dbl. throttle/check vlv:z2fs 6-2-4x/2qv or equivalent, d.c. valve :4we6d 6x/e g24 n9z4 with solenoid & connector, or equivalent, filter element: 0030d010bn4hc, filter element: 0160d010bn4hc, filter element: 0330r010p, cylinder for charger uncouple 40x20x220 mm, cylinder for arm delatching 40x20x60 mm, complete seal kit consisting of piston seal, rod seal, wiper seal,, o-ring, back-up ring 140 mm dia bore x 80 mm dia piston rod x, 1400 mm stroke hydraulic cylinder(type 0627658), return line filter element type- cfr-250-12-10, manifold block: c-sk-2639-a1 or equivalent, return line filter element type- cfr-630-20-25-g, throttle cum check valve drv7-16-532-00 or equivalent, relief valve : r4v06-001-10a1 or equivalent, pilot operated check valve: c4v06-0g3-4b1 or equivalent, throttle valve dv7-16-532-00 or equivalent, dc valve part no. 4we6d or equivalent, shut off valve part no. khbg-1/4''-1-1-1-2 or equivalent, d.c. valve 4we6j with solenoid coil (double)and connector or, equivalent, pressure control pilot: mcv116g4201 or equivalent, pressure switch ips-14-100 or equivalent, shuttle valve sl06-s10 or equivalent, double throttle cum check valve zrd-05-ab-0 or equivalent, relief valve part no.r4v06-561-10a1 or equivalent, relief valve part no. r4v03-591-10a1 or equivalent, check valve part no.c4v06-560-4b1 or equivalent, shuttle valve part no. sl-06-t02-10 or equivalent, inline throttle check valve part no.drv-6 or equivalent, throttle/check valve part no.-z-2f-s6-30 or equivalent, dc valve :3d02-34-207-03-02-00a1-07-07327 or equivalent, dc valve: 3d06-35-b01-03-03-24b1-07538 or equivalent, relief valve : ng6-50 bar or equivalent, suction strainer: sc2-100 or eq

Central Government/Public Sector

CTN :45492581

30 Jun, 2026 NA

Malanjahknd - Madhya Pradesh

Tender For supply of 324300020 rubber seal as per drg 1519 by 2022 , 324300022 ring v type v 85 s as per drg 92 by 82 drg no 92 by 82 , 324300023 ring v type 110 as per drg 63 by 82 , 324300024 rubber washer as per drg no 247 by 83 , 324300028 rubber packing pt 1487800 as per drg 637 by 88 , 327500015 line shaft rubber bearing as per drg 1523 2021 , 329800012 pedestal for galighar make vsp for 48inch shaft as per drg no 1013 by 97 a , 329800013 pedestal for galighar make vsp for 60inch shaft as per drg no 1013 by 97 a , 375200001 inlet flange adopter victaulic part no 262fr 10 inch as per drawing 809 by 91 , 375200009 cone section liner gum rubber part no 194 10r as per drg 469 by 85 , 375200012 lower cone section part no 94 6r as per drg 466 by 85 , 375200016 6 inch splash skirt as per drg 560 by 87 , 375200019 overflow flange adopter 12 inch as per drawing 810 91 , 375290006 vortex finder 10inch rubber cover seal 265rs as per drawing 865 by 92 * /bid number : gem/2026/b/7640504 + /dated: 09-06-2026 ' ' / bid document 1 / 17

Central Government/Public Sector

CTN :45485010

16 Jun, 2026 NA

Bokaro - Jharkhand

Tender For splash curtain(9items) comprising of following: 1 - splash curtain , 2 - v-packing(chevron packing , 3 - v-packing clamp , 4 - oil filter , 5 - oil cooler , 6 - flow regulator , 7 - dust seal ring , 8 - dowel pin -head hut , 9 - bottom shell arm hub liner ,

Central Government/Public Sector

CTN :45324480

16 Jun, 2026 NA

Raipur - Chhattisgarh

Tender For corrigendum : centralized biennial rate contract with bhel for supply of spares fromranipet unit to ntpc stations - thrust ring,0-55-328-01467&21,bhel, connecting cover,0-55-328-01467&27,bhel, o-ring,bhel, thrust rod bushing,0-55-328-01467&38, internal circlip,0-55-328-01467&39,bhel, blade fixing screw,0-55-328-01467&41, blade shaft nut,1-55-328-01871&5,bhel, flat nut,1-55-328-01871&11,bhel, blade shaft,1-55-328-01871&1,bhel, spring washer,1-55-328-01871&4,bhel, securing plate,4-55-227-02655,bhel, sliding block,1-55-328-01871&8,bhel, adjusting lever,r100,bhel,saf 44/20-2, sealing ring,1-55-328-01871&16,bhel, bearing cover,7211,bhel,saf 44/20-2, support ring,7211,bhel,saf 44/20-2, sealing ring,1-55-328-01871&23,bhel, sealing ring,1-55-328-01871&25,bhel, sealing ring,0-55-328-01465&3,bhel, distance ring,w240,bhel,boiler,2x800mw, spring bolt,w240k2/w280k2,bhel, compression spring,0-55-328-01465&12, retaining ring,0-55-328-01465&13,bhel, oil splash ring,w240,bhel,boiler,2x800mw, oil deflector ring,w240,bhel, preload ring-ii,w240 k2,bhel, shaft seal ring,0-55-328-01465/24,bhel, spacer bushing,w240,bhel,boiler,2x800mw, shaft nut,hm 48t,bhel,boiler,saf 44/20-2, shaft nut,hmz 3056,bhel,boiler, flange,fh 3007,bhel,boiler,saf 44/20-2, sealing ring,0-55-328-01465&33,bhel, sealing ring,0-55-328-01465&35,bhel, thrust disc,0-55-215-01469&9,bhel, screw plug,0-55-215-01469&27,bhel, lifting device,0-55-215-01469&28,bhel, bushing,0-55-215-01469&29,bhel, circlip,0-55-215-01469&30,bhel, cap screw,0-55-215-01469&24,bhel, oil drain,w150/180,bhel,boiler,2x800mw, finish cutting,w150,bhel,boiler,2x800mw, oil splash ring,w150,bhel,boiler,2x800mw, oil deflector ring,w150,bhel, outside cover,w150,bhel,boiler,2x800mw, bearing cover,w150,bhel,boiler,2x800mw, shaft seal ring,baumx7,bhel, spacer bushing,w150,bhel,boiler,2x800mw, shaft nut,0-55-216-01471&22,bhel, shaft nut,hmz 36,bhel,boiler,2x800mw, sealing ring,0-55-216-01471&28,bhel, sealing ring,0-55-216-01471&30,bhel, blade shaft,1-55-215-01848&1,bhel, spring washer,1-55-215-01848&4,bhel, blade shaft nut,1-55-215-01848&5,bhel, locking key,1-55-215-01848&7,bhel, sliding block,1-55-215-01848&8,bhel, flat nut,1-55-215-01848&11,bhel, adjusting lever r56,1-55-215-01848&12, sealing ring,1-55-215-01848&16,bhel, bearing cover,7208,bhel, support ring,7208,bhel, sealing ring,1-55-215-01848&23,bhel, sealing ring,ld 385v,bhel,boiler,2x800mw, cap screw,0-55-516-01477&17,bhel,boiler, cap screw,0-55-216-01471&15,bhel,boiler, cap screw,0-55-516-01469&16,bhel,boiler, cap screw,0-55-216-01471&18,bhel,boiler, cap screw,0-55-216-01471&26,bhel, screw plug,0-55-216-01471&27,bhel, screw,0-55-216-01471&29,bhel, parallel key,0-55-335-01425&14,bhel, counter nut,0-55-335-01425&15,bhel, positioning ring,0-55-335-01425&17,bhel, thrust disc-i,0-55-335-01425&19,bhel, thrust ring-i&ii,0-55-335-01425&20,bhel, cap screw,0-55-335-01425&21,bhel, connecting ring,0-55-335-01425&23,bhel, cap screw,0-55-335-01425&24,bhel, screw plug,0-55-335-01425&27,bhel, o-ring,0-55-335-01425&28,bhel, hydraulic support,0-55-335-01425&29,bhel, cap screw,0-55-335-01425&30,bhel, o-ring,0-55-335-01425&31,bhel, cap screw,0-55-335-01425&32,bhel, hex screw,0-55-335-01425&32,bhel, screw plug,0-55-335-01425&35,bhel, thrust rod bushing,0-55-335-01425&37, internal circlip,0-55-335-01425&38,bhel, bearing assy,0-55-335-01425&3,bhel, oil drain,w130,bhel,boiler,2x800mw, cover of oil drain,w130,bhel, distance ring,w130,bhel,boiler,2x800mw, preload ring,1 w130 k2,bhel, oil splash ring,w130,bhel,boiler,2x800mw, oil deflector ring,w130,bhel, preload ring,2 w130 k2,bhel, outside cover,w130,bhel,boiler,2x800mw, bearing cover,w130,bhel,boiler,2x800mw, cap screw,0-55-335-01268&16,bhel, spring dowel pin,0-55-335-01268&17,bhel,

State Government

CTN :44491922

16 Jun, 2026 95.87 Lacs

Anuppur - Madhya Pradesh

Tender For corrigendum : work contract for overhauling and repair/refurbishment of boiler feed pump cartridge (model fk6d30 weir make) along with supply of spares for bfp of 210 mw unit atps chachai. - impeller wear ring (eye) (1 set = 1+5 nos.) , ring section wear ring (1 set = 1+5 nos.) , impeller wear ring (neck) (1 set = 5 nos.) , diffuser wear ring (eye) (1 set = 5 nos) , thrust pads (1 set = 16 nos.) , balance drum , balance drum nut , balance drum lock washer , journal bearing glacier type de (1 set = 2 halves) , journal bearing glacier type nde (1 set = 2 halves) , o rings & back up ring , balance drum restriction bush size - 194mm , locking screws , thrust collar nut & washer , oil guard (1 set = 3 nos.) of & you , oil thrower (1 set = 3 nos.) the & then , mechanical seal complete for de & nde (make-flowserve) , copper coated gasket , set of fasteners , air breather (1set= 2 nos) , coupling nut , spring disc , thrust bearing split oil seal , thrust collar , stellite bush , dowell pin , impeller abutment ring (1 set = 5 nos.) , impeller (1 set=6 impellers) , thrust pad carrier ring for de & nde , diffuser (1 set 6 diffusers) , ring section (1set=5nos) , pump shaft keys & nuts , inboard bearing housing , outboard bearing housing , water jacket for the & you (1set=2 pcs) , suction guide seal housing with plugs de & nde (1set=2

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