Latest screw coupling Tenders | Government screw coupling Tenders

Central Government/Public Sector

CTN :45263257

23 Jun, 2026 NA

Delhi - Delhi

Tender For supply of uhv deposition chamber - uhv chamber specification (vacuum better than 2 10-9 mbar uhv) chamber overview spherical (diameter 14 ) or equivalent square shaped uhv chamber with support frame equipped with three (3) x 2-inch magnetron sputtering sources. all cf flanges and uhv viewports/ss blanks, three (3) x 2-inch magnetron sputtering sources. each sputtering source has an individual gas inlet line for process gases. all cf flanges., substrate holder : diameter: 2 inches; heating molybdenum heater capable of heating substrate (a) from room temperature (rt) to 800 c during rotation and (b) from room temperature to 1000 c without rotation. rotation: substrate holder can rotate continuously, driven by a stepper motor. variable speed from 0 to 10 rpmmovement: up / down vertical movement of total 25mm to adjust substrate position during deposition sputtering geometry: one sputtering source mounted parallel to the substrate surface, tilt adjustable. two sputtering sources mounted confocally at an angle relative to the substrate. base pressure: lower than 2 10 mbar (ultra-high vacuum)., vacuum pumping system: turbo molecular pump: pfeiffer hipace300 / edwards next 300 / leybold turbovac 350i with cf100 flange or equivalent with integrated controller, ion pump with controller: included to maintain uhv vacuum levels and provide clean pumping., backing pump: pfeiffer hiscroll 12 / edwards nxds 15i / leybold scroll vac 15 plus or equivalent dry scroll pump used to back tmp, gate valves : one cf100 and one cf150 manual gate valves for isolating the chamber from the pumping systems as well as throttling, vacuum gauges and measurement: one cold cathode gauge with readout capable of measuring vacuum pressures down to1 10-10 mbar for precise uhv monitoring., one capacitance manometer gauge with measurement range from 1 10-1 to 1 10 mbar for accurate pressure reading during deposition phase, gas delivery system: two independent mass flow controllers (mfcs):a. one mfc (0-100 sccm) for argon gas feeding to all three sputtering sources via high vacuum valves.b. one mfc (0-100 sccm) for nitrogen gas feeding directly into the chamber with its own high vacuum valve.gas lines for ar and n2 are physically separated to avoid cross-contamination., chamber access and viewports: 1. two view ports installed on the chamber, each equipped with manual shutters. 2. access ports for gauges, pump, gas inlet and few spares for future upgradation., baking capability: entire chamber designed to bake-out at 150 c to reduce contamination and out gassing during operation, cooling capability : water manifold with flow switch / flow meters, near uhv chamber specification: chamber overview: spherical (diameter 14 ) or equivalent square shaped uhv chamber with stand., three 2-inch magnetron sputtering sources, each with individual gas inlet. all cf flanges and uhv viewports/ss blanks., substrate holder: a. diameter: 2inches; heating : molybdenum heater capable of heating substrate (a) from room temperature (rt) to 800 c during rotation and (b) from room temperature (rt) to 1000 c without rotation b. rotation : substrate holder driven by stepper motor. variable speed from 0 to10 rpmmovement: up / down vertical movement of total 25mm to adjust substrate position during deposition sputtering geometry: one sputtering source mounted parallel to substrate surface (tilt able preferred). two sputtering sources mounted confocally at an angle. base pressure : lower than 5 10 mbar (near uhv)., vacuum pumping system: turbo molecular pump : pfeiffer hipace 700 / edwards next 730 / leybold turbo vac 900 ix or equivalent with cf100 flange and integrated controller, suitable for near uhv vacuum., backing pump: pfeiffer hi scroll 12/edwards nxds15i / leybold scroll vac 15 plus or equivalent dry scroll pump used to back tmp, gate valves: one cf150 manual gate valve to isolate / throttle chamber from pumping system, vacuum gauges and measurement: cold cathode readout capable of dis

Central Government/Public Sector

CTN :45337703

30 Jun, 2026 NA

Lucknow - Uttar Pradesh

Tender For supply of revised arr. of trans screw coupling for centre buffercoupler (rdso spec mp-0.41.00.01 (rev 01) april 2003) drg. no. rdso sk.dl-2494 alt-17 & skdl 2495 alt-12 in two sheets ]

corporations/Associations/Others

CTN :45325515

01 Jun, 2026 NA

Surat - Gujarat

Tender For supply of various parts of engine pump set and other items on rate contract - cylinder head complete (87.50 mm dia) taf engine (with valve, valve guide , spring etc), cylinder head complete (80.00 mm dia) taf engine (with valve, valve guide , spring etc), cylinder head gasket (87.50 mm dia) taf engine, cylinder head gasket (80.00 mm dia) taf engine, valve kit consist of valve set ( inner & exhaust ) taf engine (2no) valve guide with cap taf engine (2no) valve spring inner taf engine (2no) valve spring outer taf engine (2no) valve collet pair taf engine (2no) valve cup taf engine (2no), rubber bush kit for push road kit consist of o ring (2qty), push rod guide & top rubber bush (2qty), bottom rubber bush (2qty) for taf engine, air cooled cylinder liner piston set (87.5 mm) taf engine liner 1 no piston 1 no ring 3 +1 (top ring chrome plated) pin 1 no circlip 1 no, air cooled cylinder liner piston set (80.0 mm) taf engine liner 1 no piston 1 no ring 3 +1 (top ring chrome plated) pin 1 no circlip 1 no, impeller shaft sp3l, impeller shaft sp4l, impeller shaft sp6l, impeller sp3l, impeller sp4l, impeller sp6l, wearing plate sp3l, wearing plate sp4l, wearing plate sp6l, connecting road small end bush (taf-1,taf-2 engine ), connecting rod big end plain/shell/insert bearing (10 no) (2 half = bearing), connecting rod big end plain/shell/insert bearing (20 no) (2 half = bearing), connecting rod big end plain/shell/insert bearing (30 no) (2 half = bearing), main bearing (10 no), main bearing (20 no), main bearing (30 no), intermediate bearing plain/shell/insert type (10 no) (2 half = bearing), intermediate bearing plain/shell/insert type (20 no) (2 half = bearing), intermediate bearing plain/shell/insert type (30 no) (2 half = bearing), diesel filter assembly includes enclosing outer body taf-1 (2 hole only), diesel filter assembly includes enclosing outer body taf-11 (2 hole only), connecting rod taf-1 & taf-11, socket for nozzle holder (injector insulator), triangular connector flange, rubber coupling flange (aprox. 20 mm thick), rubber coupling flange (aprox. 35 mm thick), flapvalve nrv sp3l, flapvalve nrv sp4l, flapvalve nrv sp6l, square suction flange sp3l, square suction flange sp4l, square suction flange sp6l, square delivery flange sp3l, square delivery flange sp4l, square delivery flange sp6l, gland pusher (nut-bolt) sp3l, gland pusher (stud-bolt) sp4l, gland 6 mm x 6 mm (in kg), gland 8 mm x 8 mm (in kg), gland 10 mm x 10 mm (in kg), impeller bush sp3l pump, impeller bush sp4l pump, impeller bush sp6l pump, nut for sp3l pump impeller shaft (nylon thread) impeller side, nut for sp4l pump impeller shaft (nylon thread) impeller side, nut for sp6l pump impeller shaft nut (nylon thread) impeller side, nut for sp3l pump impeller drive end side, nut for sp4l pump impeller drive end side, nut for sp6l pump impeller drive end side, tappet cover, rocker arm (bush fitted) and pin taf engine, taf engine oil filter, diesel tank cap push type, rubber sheet 06 mm thick, rubber sheet 05 mm thick, oil seal timing cover side (150 x 250 x12) for kirlosker make taf engine, oil seal flywheel side ( 187 x 300 x 16 ) for kirlosker make taf engine, lantern ring ( 2 half = 1 ring), handle for starting the engine manually, governor spring, air governor assembly (consist of gasket , bolt nut ,lever etc), wearing plate screw sp3l, wearing plate screw sp4l, wearing plate screw sp6l, silencer, engine exhaust manifold for kirloskar taf engine, engine exhaust manifold for kirloskar taf-ii engine, 80 mm ø foot valves (nrv), 100 mm ø foot valves (nrv), 150 mm ø foot valves (nrv), 80 mm ø connectors (couplers) (hdpe), 100 mm ø connectors (couplers) (hdpe), 150 mm ø connectors (couplers) (hdpe), 80 mm ø hose nipple (hose coller) hdpe, 100 mm ø hose nipple (hose coller) hdpe, 150 mm ø hose nipple (hose coller) hdpe, 80 mm ø hose nipple (hose coller) ci, 100 mm ø hose nipple (hose coller) ci, 150 mm ø hose nipple (hose coller) ci, 80 mm ø worn drive hose

Central Government/Public Sector

CTN :45343075

05 Jun, 2026 NA

Mumbai - Maharashtra

Tender For auction sale of rolling stock - cond. icf coaches with iron, steel, wooden scrap and other non-ferrous. cr 93919 vpu 2. cr 93834 vpu 3. special repair 93832 vpu 4. cr 93915 vpu r/items: 1. wheel set with axel, axel box cover of all coaches=16 sets & complete 08 trolley with fittings. 2. dv of all coaches = 04 nos and bmbc of all coaches = 16 nos. 3. draw bar hook with screw coupling complete assembly = 08 nos. 4. buffer plunger = 16 nos, and buffer casing=16 nos of all coaches. 5. lot will be sold on number basis. remark: - 1. coaches are lying at roh sick line no.03 at cla cutting yard. 2. cutting allowed for easy loading. 3. purchasers are to see the coaches personally before bidding. no claim will be entertained after sale of lot. 4. r/items are to be handed over to sse/roh/c&w/ltt by the purchaser as per para 2.9 & 2.10 of jpo no. and letter no. m.688.s.43.c dt 18.08.2025. these shall be handed over at nominated place in roh depot. 5. railway track and premises to be cleared by the purchaser before compilation of delivery i.e. mud, muck, rexine, pvc sheet, wood, ply, plastic, foam, glass, rubber etc. 6. purchaser has to ensure the safety of railway assets, his labour and other staff at site. 7. purchaser will be fully responsible for any damage to railway property. 8. precaution should be taken while dismantling/cutting and loading of cut parts. 9. purchaser has to keep fire safety equipment/items i.e water, sand, fire extinguisher etc. at the cutting yard. location: roh sick line no.03 at cla cutting yard. stock holder:-sse/roh/c&w ltt.

Central Government/Public Sector

CTN :45343076

05 Jun, 2026 NA

Mumbai - Maharashtra

Tender For auction sale of rolling stock - cond. icf coaches with iron, steel, wooden scrap and other non-ferrous. cr 041122 wgaccw 2. cr 041263 wgaccn 3. cr 041317 wgaccn r/items: 1. wheel set with axel, axel box cover of all coaches = 12sets & complete 06 trolley with fittings. 2.dv of all coaches = 03 nos and bmbc of all coaches = 12 nos. 3. draw bar hook with screw coupling complete assembly = 06 nos. 4. buffer plunger = 12 nos, and buffer casing = 12 nos of all coaches. 5. alternator = 06 nos, motor pump = 05 nos and rru=03 nos. 6. lot will be sold on number basis. remark: - 1. coaches are lying at line no. ktc 04 at cla cutting yard. 2. cutting allowed for easy loading. 3. purchasers are to see the coaches personally before bidding. no claim will be entertained after sale of lot. 4. r/items are to be handed over to sse/roh/c&w/ltt by the purchaser as per para 2.9 & 2.10 of jpo no. and letter no. m.688.s.43.c dt 18.08.2025. these shall be handed over at nominated place in roh depot. 5. railway track and premises to be cleared by the purchaser before compilation of delivery i.e. mud, muck, rexine, pvc sheet, wood, ply, plastic, foam, glass, rubber etc. 6. purchaser has to ensure the safety of railway assets, his labour and other staff at site. 7. purchaser will be fully responsible for any damage to railway property. 8. precaution should be taken while dismantling/cutting and loading of cut parts. 9. purchaser has to keep fire safety equipment/items i.e water, sand, fire extinguisher etc. at the cutting yard.. location: line no. ktc 04 at cla cutting yard. stock holder:-sse/roh/c&w ltt.

Central Government/Public Sector

CTN :45335630

02 Jun, 2026 NA

Ahmedabad - Gujarat

Tender For supply of bulk water meter 100 mm for cold water woltman/vane wheel type, class b, caste iron casing , brass/plastic impeller, gauge dial : vitreous enamel , having flange type confirming to iso 4064 or is 2373 and with calibration certificate. [ warranty period: 30 months after the date of delivery ] ]

Central Government/Public Sector

CTN :45335631

02 Jun, 2026 NA

Ahmedabad - Gujarat

Tender For supply of 150 mm bulk water meter woltman type, calss b, caste iron casing, having flange type , brass/plastic impeller, gauge dial : vitreous enamel for cold water with calibration certificate and confirming to iso 4064 or is 2373. [ warranty period: 30 months after the date of delivery ] ]

Central Government/Public Sector

CTN :45326057

09 Jun, 2026 NA

Shoranur - Kerala

Tender For auction sale of rolling stock - pl no.98111061, condemned and over aged bg-8 wheeler icf coach 2 nos. with all available ferrous non-ferrous wooden fittings thereon but excluding the following rc items. 1}coach no. special repair cn 046245 (year built 2004), ds-8 no. 334714 dt 31.03.26, mechanical rc items as per sse/c&w/srr letter no.s-98/coach condemnation/rc items dt.04-11-2025 , coach no.srcn 046245 1] complete bogie arrangements including wheel sets 2 nos, 2] buffer plunger and casing 4 nos 3] cbc/screw coupling set [draw bar with hook, draft gear assembly] 2 set, 4] center pivot 2 nos. 5] bogie mounted brake cylinder 4 nos, 6] distributer valve complete full set 1 set, 7] wearing piece( bronze) and plate 4 nos each, 8] auxiliary reservoir 200 l. 1 no 9] main doors -4 nos 10] water tank-4 nos 11] cut off angle cock -4 nos 12] dirt collector- 2 nos 13] non return valve(fp)- 1 no, electrical rc items as per sse/electrical/srr letter no.elg/srr/6a dt.09.09.25. 1] bldc fan 400 mm-27 nos. 2]9w led lamp-26 nos. 3]2w lamp -8 nos 4]eml- 4 nos 5]mobile charger socket-18 nos. 6] regulator 4.5 kw- 1 no 7]vrla battery with tray-19 nos. 8] battery tray- 4 nos.9] rotary switch with panel board- 1 no 10] alternator to regulator wire ( copper ) -1 kg 11] one alternator(4.5 kw) & one set of axle pulley ( with bogie), 2} coach no. special repair cn 046213, (year built 2004) ds-8 no. 334715 dt 31.03.26, mechanical rc items as per sse/c&w/srr letter no.s-98/coach condemnation/rc items dt.04-11-2025 , coach no.srcn 046213 1] complete bogie arrangements including wheel sets 2 nos, 2] buffer plunger and casing 4 nos 3] cbc/screw coupling complete set [draw bar with hook, draft gear assembly] 2 set, 4] bogie mounted brake cylinders- 4 nos 5] distributer valve complete full set 1 set, 6] wearing piece( bronze) and plate 4 nos each, 7] auxiliary reservoir 200 l. 1 no 8] main doors -4 nos 9] water tank-4 nos 10] cut off angle cock -4 nos 11] dirt collector- 2 nos 12] non return valve(fp)- 1 no, electrical rc items as per sse/electrical/srr letter no.elg/srr/6a dt.25.07.25. 1] bldc fan 400 mm-27 nos. 2]9w led lamp-26 nos. 3]2w lamp -8 nos 4]5w westibal 2 nos 5]eml- 4 nos 6]mobile charger socket-18 nos. 7] regulator 4.5 kw- 1 no 8]vrla battery with tray-19 nos. 9] battery tray- 4 nos.10] rotary switch with panel board- 1 no 11] alternator to regulator wire ( copper ) -1 kg, custodian sse/ c&w/ shoranur.

Central Government/Public Sector

CTN :45343194

08 Jun, 2026 NA

Multi City - Tamil Nadu

Tender For auction sale of rolling stock - condemned bg 8 wheeler- ac coach with all available ferrous-non ferrous-wooden fittings thereon excluding rc items . mechanical rc items: 1) complete bogie and bolster assembly with all available fittings including brake gear items, 2) wheel set complete with axle,axle box and roller bearing assembly with pulley, 3) buffer plunger with buffer pads and buffer casings, 4)brass wearing piece and plate, 5)bio toilet complete set, 6)aluminium water tanks-if any, 7)distributor valve, 8) brake cylinders. electrical items: 1) alternator, 2) bldc fan, 3) vrla batteries .coach numbers- 1) special repair wgaccn 01914 = 1 coach,pl.no. 98111061 ds8 no: 232833 dt 21.06.2023 , location: tnpm marshalling yard, custodian: sse/c&w/tnpm, note: 1) at the time of delivery all items including zero value items such as rexene, rubber, frp etc., should be removed and cleared by the purchaser from railway premises and should be disposed as per the existing norms of central/state government.d and cleared by the purchaser from railway premises and should be disposed as per the existing norms of central/state government, 2)rate per number should be quoted,3)coach is in grounded condition . 4) screw coupling to be defaced before final delivery. 5)coach is in grounded condition (bogies and wheel sets are in removed condition).6) ac components, batteries, bio toilets are in removed condition. 7) remaining coach in ds8 already sold. 8) purchaser should take safety precaution while cutting/delivery of coache. 9) cutting permitted to loadable sizes only. 10) crane loading may be permitted.

Central Government/Public Sector

CTN :45326482

05 Jun, 2026 NA

Palakkad - Kerala

Tender For supply of actuator components - items, packing flange va4, mounting bracket ula 201, bkt.va1 asco sol.v

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