Latest back up ring Tenders | Government back up ring Tenders

Central Government / Public Sector

CTN :44933357

12 May, 2026 NA

Jagatsinghapur - Odisha

Tender For corrigendum : supply of casing wear ring p n 164 3700 lx 3x4 16 , oil ring p n a00017a13 1618 , brg end cover p n 119a 3700 lx 3x4 16 , brg end cvr thrust p n c05130a 1212 , casing gskt p n 351 3700 lx 3x4 16 , brg end cvr gskt p n 360 3700 lx 3x4 16 , impeller nut p n b00002k03 2445 , locknut n 13 steel p n 8601 0013 , bearing housing p n e02354a 1212 , bearing lock washer w 13 p n 8910 0013 , shim thrst end cvr p n 390c 3700 3x4 16 , shaft f lx a434 gr.4140p n d00009k 2238r , impeller key p n 178 3700lx3x4 16 , wearing ring f 6.52 p n c00353a03 1232k , wearing ring f 5.99 p n c00288a76 1299k , impeller f 3x4 16s a p n d11884a03 1183m , o ring thrust end p n c02495a252 5302

Central Government / Public Sector

CTN :44933422

12 May, 2026 NA

Jagatsinghapur - Odisha

Tender For corrigendum : supply of shaft p n 210 , impeller rph40 180 b02s p n 230 , cas wear ring a80 90diax12 p n 502.01 , imp wear ring 70 80.2diax12 p n 503 , shaft p n 210 , impeller p n 230 , casing wearing ring p n 502.01 , impeller wearing ring front p n 503.01 , shaft with all keys p n 210 , impeller p n 230 , casing w ring p n 502.01 , imp wear ring cf8m c coated p n 503.01 , labyrinth ring p n in058994 , labyrinth ring p n in058993 , throttle bush p n 542.02 , impeller nut p n 922.01 , set of o ring & gasket p n in112097 , shaft p n 210 , impeller p n 230.01 , casing wearing ring front pn 502.01 , impeller wearing ring front pn 503.01 , shaft pn 210 , impeller full dia pn 230 , casing wearing ring front pn 502.01 , impeller wearing ring front pn 503.01 , bearing guard nde pn 423.01 , bearing guard de pn 423.02 , neck bush p n 542.02 , impeller nut pn 922.01 , gasket for brg. cover pn 400.01 , pump shaft 1.4462 p no 211 , intermediate shaft 898mm 1.4462 p no 212 , drive shaft 1.4462 p no 213 , impeller stage a743 gr. cf3m p no 230 , suction impeller stage p no 231 , bearing isolator p no 423 , segmental ring 30 42diax7 p.n 501 , wearing ring suction p no 502.01 , wearing ring stage p no 502.02 , impeller ring suction p no 503.01 , impeller ring stage p no 503.02 , lock nut p n 920 , lockwasher is 513 p n in005518 , o ring 180x4 p n in009988 , impeller bolt a193 gr b8m p no 901.01

corporations/Associations/Others

CTN :44997638

11 May, 2026 NA

Puruliya - West Bengal

Tender For corrigendum : supply of seal lip for air dryer system md300, make: - atlas copco, part no. - 1627 3826 03 , set wearing parts, part no. : 2901063300 for compressor, oes/oem: atlas copco , sealing ring for air dryer system md300, make: - atlas copco, part no. - 1614 7606 00 , demister for air dryer system md300, make: - atlas copco, part no. - 1614 7605 10

Central Government/Public Sector

CTN :45064384

12 May, 2026 NA

Mumbai - Maharashtra

Tender For supply of spares for lean solution pump - o' ring for shaft sleeve, part no. 430.00 . moc : viton; for lean soln pump pc-4-4r , model : mc 100/4 ,sr. no. 60019; manufacturer : m/s sulzer pumps, o' ring , part no.430.02 , moc : viton; for lean soln pump pc-4-4r , model : mc 100/4 ,sr. no. 60019; manufacturer : m/s sulzer pumps., 'o' ring part no. 430.03. material : viton. suitable for lean soln pump pc-4-4r , model : mc 100/4 ,sr. no. 60019, manufacturer : m/s sulzer,, 'o' ring , part no.430.05 , moc : viton; for lean soln pump pc-4-4r , model : mc 100/4 ,sr. no. 60019;, grooved nut , part no. 462.00 , moc : steel for lean soln pump pc-4-4r , model : mc 100/4 ,sr. nos. 60019 / 60321 / 60026, make : m/s sulzer pumps india ltd., ring (ci), p.no.320.03 , for lean soln pump pc4-4r , model : mc 100/4 ,sr. nos. 60019 / 60321 / 60026, make : m/s sulzer pumps india ltd., cylindrical roller bearing no. nu 312 ecj,for pc-4 pump of ammonia-1 plant make: skf cage: steel, single row taper roller bearing, no. 31312 j2/q df, (1 pair = 2 nos of bearings arrange back to back) for pc-4 pump of ammonia-1 plant bearing, shaft part no.091.00 , moc : ss410 with locknut part no. 462.00, moc: steel (qty: 2 nos); lock washer part no. 510.00, moc: steel (qty: 2 nos); coupling key part no. 444.00, moc: en-8 (qty: 1 no.); key impeller last stage part, balance drum part no. 068.00 material : 431, deflector part no.140.00 material : ss 316 , for lean soln pump pc-4-4r ,, shaft for ammonia reflux pump p-552 part no.: 210.01 moc: ss316 pump, wearing ring stationary, pt.no: 502.01 , moc: 316 / cf-8mhf suitable for ammonia reflux pump p-552 a/b ,, fan for process condensate pump of mp stripper (p-101 a/b) of ammonia-1 plant as per the, helicoil insert for process condensate pump of mp stripper (p-101 a/b) of ammonia-1 plant as, 'o' ring , part no. 430.01 , moc : viton; for lean soln pump pc-4-4r, deflector, part no.140.01, moc: ci, for lean soln pump pc-4-4r,, deflector part no. 140.02 material : ss 316 ,for lean soln pump pc-4-4r, bearing isolator for ammonia water circulation pump (p-551) of ammonia-1 plant as per the, bearing isolator for ammonia water circulation pump (p-551) of ammonia-1 plant as per the, neck bush for process condensate pump of sgc turbine (p-403 a/b) of ammonia-1 plant as per, impeller nut for process condensate pump of sgc turbine (p-403 a/b) of ammonia-1 plant as per, thread insert for process condensate pump of sgc turbine(p-403 a/b) of ammonia-1 plant as, mpeller wear ring , pt.no:503 .01 , moc: 316/cf-8m suitable for ammonia reflux pump p, shaft coupling , pn-18.00 , moc : bs 970/080 m41 suitable for effluent pump ( storage ) , make : sulzer pumps india, impeller nut for process condensate pump of mp stripper (p-101 a/b) of ammonia-1 plant as per, o-ring for process condensate pump of mp stripper (p-101 a/b) of ammonia-1 plant as per

CTN :45063551

12 May, 2026 NA

Tiruvallur - Tamil Nadu

Tender For supply of spares required for mug compressors - locking spring , p/n 2348.1040.070 , ring , metallic gasket , 2428.1249.000 , locking plate , p no 2231.1271.000 , ring , metallic gasket , 2428.1561.000 , gasket , p/no. 2426.1499.000 , metallic gasket ring , 2428.1229.000 , ring , back-up , 2427.1791.000 , o-ring , 2430.1111.020 , rod , piston , p/n 2654.8228.050 , ring , metallic gasket , 2428.1500.000 , gasket , p/no. 2426.2040.000 , o-ring , 2430.1416.010 , back-up ring , p/no. 2427.1623.000 , locking spring , p/n 2348.1040.520 , gasket , p/no. 2426.1750.000 , metallic gasket ring , 2428.1347.000 , pump element , p/no. 2570.5000.000 , bearing metal , 2582.8200.000 (2p 1set) , locking plate , p/n-2231.1243.000 , split pinp/n-1410.1612.500pos no11 , split pin p/n 1410.0803.500 , locking plate , p/n-2231.1248.000 , pos no18 , circlip , p/n-1061.5016.000 , lock nut , p/n 2162.1033.000 , bushing , crosshead pin , 2272.1032.000 , gasket , p/no. 2426.1570.000 , locking plate , p no 2231.1242.000 , washer , lock ext.t 1478.2600.400 , socket head cap screw , 1525.0401.950 , stud , unc , p/no. 1501.0603.500 , special stud , p/no. 2178.1399.000 , set screw p no 1535.0806.300 , special bolt , p/n-2183.1751.000 , stud , p/no. 1503.1015.040 , gasket , 2426.1565.000 , gasket , p/n-2426.1829.000 , pos no-21 , locking plate , p/no. 2231.1193.000 , retainer ring , p/no. 2227.0005.000 , locking spring , p/no. 2270.0030.060 , shim , p/no. 2232.2412.000 , dowel pin , p/no. 1416.4002.800 , cup washer , p/no. 2227.1502.040 , centre ring , p/no. 2662.1014.020 , modi stuf box , stg-3 , p no 2269.1986.000 , modi stuf box inter , stg3 , p 2269.1986.010

CTN :44971206

09 May, 2026 NA

Visakhapatnam - Andhra Pradesh

Tender For corrigendum : tender for supply of loctite 542(50cc) , valve spring(for inlet system) , pressure transmitter 0-4 bar type no mbs 5100-1611-1db04 , pressure switch type no mbc 5100-2231-1db04 , cpu di 32 do 16 , ai8 , a04 , temprature transmitter type no-mbt 5410-000-060-000-g110 , gas sealing ring(under cylinder head) , o-ring i.d.129.54 w.5.33 , inlet valve , nozzle(injector) , joint washer , ring , d series metalastick , loctite 243(50cc) , loctite 243(50cc) , circuit braker 2p 2a , circuit breaker 2p-4a , circuit breaker 2p-6a , actuator , back-up ring , controller , pressure control valve , filter cartridge , filter paper , filter cartridge line(for lubricating oil filter) , o-ring , pre heater 4.5 kw 3 415 v , air damper solenoid valves , door limit switch , nde ball bearing skf nu 328 , automanual start switch 3 pos , c02 discharge nozzle with horn , engine display unit , stop solenoid 1 , control module , hooter accept card , relay card for 6 relay , aux relay 2 pol 24vdc led+sp , gt -2511- h2s sensor (with transmitter) , mpcb3 pol 2.5-4a , mpcb 3 pol 6-10 a , fil ter bag , pressure transmitter 0-1bar , pressure transmitter 0-25 bar , pressure transmitter 0-40 bar , temprature sensor , power supply module , dg fw cooler tube stack , photo electronic smoke detector withbase & wiring box , exhaust gas temperature sensor , push button 1 no , auto/man mode key , emergency stop

CTN :45044684

11 May, 2026 NA

Visakhapatnam - Andhra Pradesh

Tender For tender for supply of filter cartridge line(for lubricating oil filter) , air damper solenoid valves , photo electronic smoke detector withbase & wiring box , gas sealing ring(under cylinder head) , fil ter bag , stop solenoid 1 , c02 discharge nozzle with horn , o-ring i.d.129.54 w.5.33 , filter cartridge , inlet valve , ring , nozzle(injector) , pressure control valve , back-up ring

Central Government And Public Sector

CTN :45045470

14 May, 2026 NA

Angul - Odisha

Tender For tender for supply of spares for bfp recirculation control valve - valve plug , seat ring , back up ring bonnet , back up ring plug , tec seal ring(bonnet , tec seal ring plug , seat ring gasket fw64 57 mdl 37 79006

Central Government/Public Sector

CTN :44846122

08 May, 2026 49.89 Lacs

Nowrozabad - Madhya Pradesh

Tender For corrigendum : supply of spares of flowmore make pumps d d ? g? g -pump shaft_pn_1 , bearing bracket housing d e _pn_2 , cover for brg hous d e _pn_4 , sleeve nut d e _pn_7 , collar inter stage_pn_8 , bush inter stage_pn_9 , impeller 1st stage_pn_10 , impeller 2nd stage_pn_13 , wearing ring casing_pn_16 , shaft sleeve_pn_17 , water seal tube_pn_18 , water seal ring_pn_20 , gland half_pn_21 , lock washer for bearing_pn_24 , lock nut for bearing_pn_25 , shaft collar_pn_26 , cover for brg hous n d e _pn_28 , sleeve nut n d e _pn_29 , bearing bracket housing n d e _pn_44 , pump shaft_pn_m590bd2 , oil ring_pn_m590bd3 , gland half_pn_m590bd7 , water seal ring half_pn_m590bd9 , shaft sleeve d e _pn_m590bd10 , suction end casing_pn_m590bd11 , wearing ring casing neck ring_pn_m590bd12 , impeller_pn_m590bd14 , imp key_pn_m590bd15 , combined diffuser and return vane_pn_m590bd18 , neck bush_pn_m590bd19 , delivery diffuser_pn_m590bd21 , stay bolt_pn_m590bd22 , large seating and bush_pn_m590bd26 , imp key_pn_m590bd27 , balance valve_pn_m590bd30 , balance valve cover_pn_m590bd31 , shaft sleeve n d e _pn_m590bd32 , sleeve nut n d e _pn_m590bd33 , gasket_pn_m590bd36 , hex hd cap screw_pn_m590bd37 , oil sight window assy _pn_m590bd39 , bearing bush_pn_m590bd40 , brg cap and brg body d e and n d e _pn_m590bd41 , sleeve nut d e _pn_m590bd43 , stud bolt with nut_pn_m590bd45 , stud bolt with nut_pn_m590bd47 , balancing water conn line assy _pn_m590bd48 , hex hd bolt with nut_pn_m590bd53 ) /bid number : gem/2026/b/7358619 * /dated: 10-04-2026 & & / bid document 1 / 60

Central Government/Public Sector

CTN :45024190

13 May, 2026 1.51 Crore

Korba - Chhattisgarh

Tender For supply of spares of flowmore make pump of model fm590bd d d ? g? g - key for pump half coup., part no. - fm590bd2302104491001 , pump shaft, part no. - fm590bd2302104491002 , oil ring d.e. and n.d.e., part no. - fm590bd2302104491003 , oil cap, part no. - fm590220456191004 , dust cover, part no. - 590bd2010480410r105 , split gland, part no. - fm590bd2302104491007 , water seal ring split type, part no. - fm590bd2 302104491009 , shaft sleeve d.e., part no. - fm590bd2302104491010 , suction end casing, part no. - fm590bd2302104491011 , wearing ring casing, part no. - fm590bd2302104491012 , pipe plug, part no. - 590bd2010480410r114 , o-ring, part no. - fm590bd2302104491015 , middle body - stage, part no. - fm590bd2302104491016 , combined diffuser and return vane, part no. - fm590bd2 302104491017 , imp. key, part no. - fm590bd2302104491018 , filling plug for middle body, part no. - fm590bd2302104491019 , neck bush, part no. - fm590bd2302104491021 , dowel pin, part no. - fm590bd2302104491022 , impeller, part no. - fm590bd2302104491023 , delivery diffuser, part no. - fm590bd2302104491024 , discharge end casing, part no. - fm590bd2302104491026 , o ring, part no. - fm590bd2302104491029 , large seating and bush delivery cover, part no. - fm590bd2302104491031 , counter sunk screw, part no. - fm590bd2302104491032 , balance valve, part no. - fm590bd2302104491033 , dowel pin brg. body to suction cover , part no. - fm590bd2 302104491034 , key, part no. - fm590bd2302104491035 , balance valve cover, part no. - fm590220456191036 , shaft sleeve n.d.e., part no. - fm590bd2302104491037 , sleeve nut n.d.e., part no. - fm590bd2302104491038 , pipe plug, part no. - 590bd2010480410r139 , dust cover n.d.e.,, 3-stg, 120lps, part no. - 590bd201048036042 , oil sight window assy.,, 3-stg, 120lps, part no. - 590bd201048036043 , bearing bush d.e. and n.d.e., part no. - fm590bd2302104491044 , brg. cap and brg. body d.e. and n.d.e., part no. - fm590bd2302104491045 , pipe plug, , 3- stg, 120lps, part no. - 590bd201048036046 , pipe nipple,, 3- stg, 120lps, part no. - 590bd201048036047 , dowel pin, brg. cap brg. body,3-s,120lps, part no. - 590bd201048036050 , dowel pin, part no. - fm590bd2302104491053 , pipe plug,, 3- stg, 120lps, part no. - 590bd201048036056 , drain plug, middle body, 3- stg,120lps, part no. - 590bd201048036057 , sleeve nut d.e., part no. - fm590bd2302104491059 , water slinger, part no. - fm590220456191060 , balancing water conn. line assy, part no. - fm590bd2302104491061 , cinch fitting, part no. - fm590bd2302104491063 , rotating assembly, part no. - rafm590bd32421064 , water seal tube, 3 stg, part no. - fm590bd211053353062 //bid details 2 / 52

Back Up Ring Tenders

By Cities

By States

By Agencies

By Ownerships

By Sectors

Central Government / Public Sector

Central Government / Public Sector

corporations/Associations/Others

Central Government/Public Sector

Central Government And Public Sector

Central Government/Public Sector

Central Government/Public Sector