Latest back up ring Tenders | Government back up ring Tenders

Central Government And Public Sector

CTN :45528386

03 Jul, 2026 NA

Surat - Gujarat

Tender For supply of spiral wound gasket (moc: ss3l6l+ nuclear grade graphite, with outer ring (ss 316) , spiral wound gasket (moc: ss3l6l+ nuclear grade graphite) with inner guiding ring(ss 316) as outer

Central Government And Public Sector

CTN :45516820

02 Jul, 2026 NA

Angul - Odisha

Tender For tender for supply of graohite seal and foil ring - pure graphite seal ring , pure graphite foil , pure graphite seal ring , pure graph foil ring oblq cut , pure grap foil ring oblq , pure graphite foil r , pure graphite foil ring , pure graphite foil ring , pure graphite , pure graphite foil , pure graphite foil , pure graphite foil ring , pure graphite seal ring , pure graphite foil ring , pure graphite foil ring , graphite foil self sealing , graphite self sealing , graphite self sealing , graph.foil self sealing , graph.foil self sealing ring , graph.foil self sealing ring , gland packing ring , grap.foil self sealing ring , gland packing ring , non-met grafseal pkg , pure graphited sealing , graph.foil self sealing ring , pure graphite sealing , pure graphite sealing ring , pure graphite sealing ring , grp.foil self sealing ring , pure graphite sealing ring

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

Central Government / Public Sector

CTN :45388425

18 Jun, 2026 NA

Jagatsinghapur - Odisha

Tender For corrigendum : supply of flowserve make control valve spares c c - assy, sliding seal, actuator, size 100/200, rotary, 4 stroke, backup ring, 15.50 od, dash #459, bearing, 1.25 stem, vldsk2, 2.50 l, metal, bearing, thrust, maxflo 4/3, 1"/1.50"/2", cl 150/600, bearing, thrust, maxflo 4/3, 3"/4", cl 150/600, bearing, shaft, maxflo 4/3, 1.50/2", cl 150/600, bearing, post, abd, 1.02 stem, maxflo 4/3, 3"/4", bearing, post, abd, maxflo 4/3, 1.50/2", cl 150/600, bearing, shaft, 1.18 stem, maxflo 4/3a, 3/4", dwgrev: 00; bearing, 0.75 stem, vldsk2, 1.63 l,, disk, vldsk2, 4", cl 150/300, disk, vldsk2, 10", cl 150/300, dwgrev: 00;kit, spare part, actuator, size 50, dwgrev: 00; kit, spare part, actuator, size 50, dwgrev: 00;kit, spare part, actuator, size 25, rotary, end post, maxflo 4/3a, 1.50/2", cl 150/600, 2 piece, press fit, 2 bolt, eco 16239, eco 16523, 18883, post assy, p, end post, maxflo 4/3a, 3/4", cl 150/600, 2 piece, press fit,, gasket, elastomer, 2.12 x 1.50, 0.06 thick, gasket, ptfe, 1.55 x 1.14, 0.12 thick, gasket, spiral, 11.12 x 10.38, 0.18 thick, gasket, spiral, 12.00 x 11.25, 0.18 thick, gasket, maxflo 4/3, 37mm x 27mm, 3.50mm thick, gasket, maxflo 4/3, 57mm x 45mm, 3.50mm thick, gasket, maxflo 4/3, 24mm x 18mm, 3.50mm thick, graphite, gasket, maxflo 4/3, 40mm x 30mm, 3.50mm thick, gasket, ptfe, 5.94 od, 5.38 id, .15 thick, gasket, ptfe, 5.345 od, 4.905 id, 0.094 thick, kit, shim, maxflo 3, 2", 150/300, kit, shim, maxflo 3, 3", 150/300, o-ring, dash #024, eco 15655, rubber, buna-n, o-ring, dash #459, eco 15655, rubber, buna-n, o-ring, dash #914, 1.28 dia, 0.12 wall, o-ring, dash #275, o-ring,, dash #159, packing set, twin, sureguard, packing set, twin, square, 1.25 stem, 1.75 od, vldsk2, packing set, single, sureguard xt, maxflo, 3"/4", packing set, twin, sureguard xt, maxflo, 1.50/2", plastic, pin, 3 deg taper, vldsk2, 4", cl 150/300, pin, taper, vldsk2, 10", cl 150/300, plug, maxflo 3, 2", cl 150/300, plug, maxflo 4/3, 3", cl 150/600, seal, grafoil, ribbon, 40" l, seat ret, maxflo 3, 2", cl 150/300, seat ret, maxflo 3, 3", cl 150/300, seat ret, vldsk2, 4", cl 150/300, seat ret, vldsk2, 10", cl 150/300, seat ring, maxflo 3, 2", cl 150/300, seat ring, maxflo 3, 3", cl 150/300, seat ring, maxflo 3, 3", cl 150/300, seat ring, vldsk2, 4", cl 150/300, seat ring, vldsk2, 10", cl 150/300, shaft, maxflo 4/3, 1.50/2", cl 150/600, shaft, maxflo 4/3, 3"/4", cl 150/600, shaft, vldsk2, extd, 4", cl 150/300, shaft, vldsk2, 10", cl 300, flowserve/logix 500 md+(520md+37-w1d300-000-0000), 3200md-28-d6-e-04-40-05-00, valtek lin.act., 25 sq.in with logix500 (actuator set), bare vlv sub asmbly 2",300w, maxflo 3, bare vlv sub asmbly 3",300w, maxflo 3, bare vlv sub asmbly 1.5" 300#, maxflo 3, bare vlv asmbly,p/n:817774.009,flowserve, bgl sphtm;dwgrev: 00;kit, spare part, actuator, size 50, rotary, hd spring, 3.25 stroke, mtl code n/a: se, dwgrev 000-ring, dash #237, rubber, viton a, 75/-5 durometer, indefinite shelf life purchase an, dwgrev 00bearing, thrust, 1.00 stem, shrstrm, 6/8, a or sa-479-521800, nitronic 60 bar 8-inch centerless gro, dwgrev 000-ring, dash #257, rubber, viton a, 75/-5 durometer, indefinite shelf life purchase an, dwgrev 01seat ring, shrstrm, 6, cl 150/600, inconel 625, work hardened to minimum tensile strength of 195 k, bgl me_fgdwgrev 04bearing, 1.12 stem, shrstrm, 2.00 l, metal, stellite #6 casting r30006 or wrought stellit, dwgrev 01pin, grooved, 0.19 dia, 0.50 l, a or sa-479-520910 xm-19 nitronic 50 strain hardened, up to 2.25 dia, dwgrev 000-ring, ...., dash #244, rubber, viton a, 75/- 5 durometer, indefinite shelf life purchase an, dwgrev 01seat ring, shrstrm, 3, cl 150/300, inconel 625, work hardened to minimum tensile strength of 195 k, ;dwgrev: 00; kit, spare part, actuator, size 200, rotary, 4 stroke, vr, mti code n/a: see drawing, p.o., or bo, dwgrev 00gasket, spiral, 1.44 x 1.06, 0.12 thick, gasket, spiral wound 316l windings, flexible graphite filler in, dwgrev 000-ring, .., dash #033, rubber, viton a, 75

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

CTN :45063761

13 Jun, 2026 5.91 Lacs

Sundergarh - Odisha

Tender For bid to ras corrigendum : supply of graphite bonnet and gland pkg c c - gskt ring graphite 240 x 220 x 20 , gskt ring graphite 210x195x15 , gskt ring graphite 90 x 80 x 12 , gskt ring graphite 380 x 350 x 30 , gskt ring graphite 140 x 130 x10 , gskt ring graphite 160 x 145 x 15 , gskt ring graphite 360 x 330 x 20mm , gskt ring graphite 260 x 240 x 20 , gskt ring graphite 215 x 195 x 12 , gskt ring graphite 210 5x195x15 , gskt ring graphite 85 x 60 x 12 , gskt ring graphite 65 x 44 x 10 , gskt ring graphite 55 x 35 x 10 , gskt ring graphite 44 x 28 x 8 , gskt ring graphite 32 x 20 x 6 , gskt ring graphite 75x52x12mm , gskt ring graphite 87x71x11 mm , gskt ring graphite 52x35x07 mm , f pkg non asbestos 32mmx20mmx6mm , gskt ring graphite 50x32x8 , f pkg graphite f pkg graphite 22x13x5 , f pkg graphite f pkg graphite 32x18x6 , rope expand graphite m sq 6mm , rope expand graphite m sq 8mm , rope expand graphite m sq 10mm , rope expand graphite m sq 12mm , f pkg graphite 32 4x14 45x6 4 , f pkg graphite 45x32x6 , f pkg graphite 60x38x11 , f pkg graphite 41 17x17 4x11 9 , f pkg graphite 55 4x27 15x13 5 , f pkg graphite 75x47x14 , f pkg graphite 102x70x16 , f pkg graphite 112x80x16 , f pkg graphite 61 1x41 3x9 , f pkg graphite 67x48x9 5 , f pkg graphite 67 5x47 6x10 , f pkg graphite 70x50x10 , f pkg graphite 73 8x50 8x12 , f pkg graphite 68x48x10mm , f pkg graphite 85x56x16mm , f pkg graphite 112x88x12mm , f pkg graphite 50x80x15 , f pkg graphite 38x22x8mm , f pkg graphite 50x32x9mm , ss wire ins pure grap 23 75x14 28x4 8mm , f pkg pure graphite 15 8x9 5x5 6mm , f pkg pure graphite 25 4x12 7 x6 4 , f pkg pure graphite 41 17x17 4x11 9mm , f pkg pure graphite 46x30x8mm , f pkg pure graphite 76 2x60 325 x8 , f pkg incon exp graphite 25 35x15 88x4 8 , f pkg incon exp graphite 35 7x22 2x6 , f pkg incon exp graphite 32 4x14 45x6 4 , f pkg incon exp graphite 45x32x6 , f pkg incon exp graphite 38 9x25 4x7 , f pkg incon exp graphite 45 2x28 6x7 , f pkg incon exp graphite 46x30x8 , f pkg incon exp graphite 60x38x11 , f pkg incon exp graphite 61 1x41 3x9 , f pkg incon exp graphite 48x30x9 , f pkg incon exp graphite 50x32x9 2 , f pkg incon exp graphite 64 3x44 5x10 , f pkg incon exp graphite 67 5x47 6x10 , f pkg incon exp graphite 77x54x11 , f pkg incon exp graphite 41 17x17 4x11 9 , f pkg incon exp graphite 57 9x38 1x12 , f pkg incon exp graphite 68x44x12 , f pkg incon exp graphite 81x55x13 , f pkg incon exp graphite 55 4x27 15x13 5 , f pkg incon exp graphite 112x80x16 , f pkg incon exp graphite 102x70x16 , f pkg incon exp graphite 15 83x9 53x5 6 , f pkg incon exp graphite 25x13x6 , f pkg incon exp graphite 44x28x8 16 , f pkg incon exp graphite 67x48x9 5 , f pkg incon exp graphite 96x70x13 , f pkg incon exp graphite 48x28x8 , f pkg incon exp graphite 85x55x15mm , f pkg incon exp graphite 85x56x16mm , f pkg graphite 68x48x10 , f pkg graphite 41 17x17 4x11 9 , f pkg graphite 55 4x27 15x13 5 , f pkg graphite 102x70x16 , f pkg incon exp graphite 27x13x5 , gskt ring graphite 117x102x14 3 , gskt ring graphite 130x110x18 1 , gskt ring graphite 140x120x18 3 , gskt ring graphite 235x209x23 9 , gskt ring graphite 275x249x24 2 , gskt ring graphite 400x360x35 3 , gskt ring graphite 710x665x36 6 , gskt ring graphite hrh strnr seal ring , gskt ring graphite ms strnr seal ring , rope ptfe grap yarn reinf syn sq 8mm , rope is 4687 gr 3 lub grphtd sq 6mm

Central Government/Public Sector

CTN :45494523

19 Jun, 2026 NA

Kota - Rajasthan

Tender For supply of gasket for btpgln tank wagons (eduction valve gasket) thickness 3.2 mm, o.d 101.0 mm, i.d 83.1 mm. material - spiral wound metallic gasket without inner ring & without outer ring, winding material-ss.304 & filler material flexible graphite fitted shall confirmed toasme b-16.20. [ warranty period: 30 months after the date of delivery ][quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]

Central Government/Public Sector

CTN :45494524

19 Jun, 2026 NA

Kota - Rajasthan

Tender For supply of gasket for btpgln tank wagons (safety valve gasket) thickness 3.2 mm, o.d 170.9mm, i.d 153.0 mm. material - spiral wound metallic gasket without inner ring & withoutouter ring, winding material-ss.304 & filler material flexible graphite fitted shall confirmed to asme b-16.20. [ warranty period: 30 months after the date of delivery ][quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]

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

CTN :45479535

02 Jul, 2026 NA

Saran - Bihar

Tender For supply of cope retaining ring for 43 inch. dia. graphite mould block as per rwp specification no. rwp/m/specn-1/107/2026, alt 'b' [ warranty period: 30 months after the date of delivery ] ]

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