Latest nitrous oxide gas Tenders | Government nitrous oxide gas Tenders

Central Government/Public Sector

CTN :45726591

18 Jul, 2026 NA

Delhi - Delhi

Tender For repair/ maint of air conditioning systems alongwith its connected accessories at kashmir house under ge new delhi - servicing of window type ac 1.5/2 ton capacity of any make / model by taking out the ac, cleaning of evaporating coil, condensing coil with water & brush to remove dust including cleaning of filter, greasing oiling of fan motor and checking of electric circuit for smooth functioning of ac complete all as specified and directed. note: the quoated rate includes the rates of minor parts i.e. starting relay, overload protector, thermostat, air filter synthetic/nylon as per existing size and shape, all as per item no 1.00 above but split type ac of any type and 1.5/2 ton capacity complete all as specified and directed, servicing of cassette type ac 3.5 to 4.0 ton capacity of any make / model with indoor and outdoor unit by taking out the ac, cleaning of evaporating coil, condensing coil with water & brush to remove dust including cleaning of filter, greasing, oiling of fan motor and checking of electric circuit for smooth functioning of ac complete all as specified and directednote: the quoated rate includes the rates of minor parts i.e. starting relay, overload protector, thermostat, air filter synthetic/nylon as per existing size and shape, all as per item no 3.00 above but tower type ac of 2.0 to 4.0 ton capacity of any make / model any type and 1.5/2 ton capacity complete all as specified and directed, s&f in repairs running capacitor combination (50 mfd + 6 ) / (50+4) mfd 230 volt for ac upto 4.00 ton complete all as specified and directed, m&l for checking the leakage by feeding dry nitrogen to maintain adequate pressure in the system, plugging the leak and charging by charge refrigerant gas r-12/22/134a for water cooler, split type/window type ac/ deep freezer /refrigerator any size any capacity as on site complete all as specified and directed by engr-in-charge., m&l for replacement of reverse valve system suitable to 1.5/2 ton split/window ac for heating option (gas charging shall be paid and measured under respective item) complete all as specified and directed, supply & charging gas refrigerant r-22 /410 a/ or as existing to window type/split type/cassette/package type ac up to 4 ton capacity including removing of leakage if any and testing complete all as specified & directed by engineer-in-charge, m&l for repair of unserviceable pcb suitable for non inverter split type ac 1.5/2 tr and fixing the same complete all as specified and directed by engineer-in-charge., m&l for opening and taking down existing unserviceable pcb along with display unit and repairing & refixing of pcb along with display unit suitable for indoor unit of inverter ac of capacity1.5/2 ton split type ac complete all as specified and directed by engr-in-charge., m&l for opening and taking down existing unsv pcb and reparing & refixing of pcb suitable for outdoor unit of 1.5/2 ton split type ac inverter ac complete all as specified and directed by engr-in-charge., m&l for repair of unserviceable pcb of cassette/ tower ac of capacity 3.5 to 4.0 tr for both indoor/ outdoor units and refixing the same in respective units including opening & taking down existing unsv pcb complete all as specified and directed by engineer-in-charge., s&f pcb of non inverter type split type ac of capacity 1.5 to 2.0 ton and fixing the same in respective units including opening & taking down existing unsv pcb complete all as specified & directed by engineer-in-charge., s&f pcb of inverter type split type ac of capacity 1.5 to 2.0 ton and fixing the same in respective units including opening & taking down existing unsv pcb complete all as specified & directed by engineer-in-charge., s&f pcb of cassette/tower ac of capacity 3.0 to 4.0 ton and fixing the same in respective units including opening & taking down existing unsv pcb complete all as specified & directed by enginee

Central Government/Public Sector

CTN :45726596

18 Jul, 2026 NA

Delhi - Delhi

Tender For repair/ maint of air conditioning systems alongwith its connected accessories at hq ids under ge new delhi - servicing of window type ac 1.5/2 ton capacity of any make / model by taking out the ac, cleaning of evaporating coil, condensing coil with water & brush to remove dust including cleaning of filter, greasing oiling of fan motor and checking of electric circuit for smooth functioning of ac complete all as specified and directed. note: the quoated rate includes the rates of minor parts i.e. starting relay, overload protector, thermostat, air filter synthetic/nylon as per existing size and shape, all as per item no 1.00 above but split type ac of any type and 1.5/2 ton capacity complete all as specified and directed, s&f in repairs running capacitor combination (50 mfd + 6 ) / (50+4) mfd 230 volt for ac upto 4.00 ton complete all as specified and directed, m&l for checking the leakage by feeding dry nitrogen to maintain adequate pressure in the system, plugging the leak and charging by charge refrigerant gas r-12/22/134a for water cooler, split type/window type ac/ deep freezer /refrigerator any size any capacity as on site complete all as specified and directed by engr-in-charge., m&l for replacement of reverse valve system suitable to 1.5/2 ton split/window ac for heating option (gas charging shall be paid and measured under respective item) complete all as specified and directed, supply & charging gas refrigerant r-22 /410 a/ or as existing to window type/split type/cassette/package type ac up to 4 ton capacity including removing of leakage if any and testing complete all as specified & directed by engineer-in-charge, m&l for repair of unserviceable pcb suitable for non inverter split type ac 1.5/2 tr and fixing the same complete all as specified and directed by engineer-in-charge., m&l for opening and taking down existing unserviceable pcb along with display unit and repairing & refixing of pcb along with display unit suitable for indoor unit of inverter ac of capacity1.5/2 ton split type ac complete all as specified and directed by engr-in-charge., m&l for opening and taking down existing unsv pcb and reparing & refixing of pcb suitable for outdoor unit of 1.5/2 ton split type ac inverter ac complete all as specified and directed by engr-in-charge., s&f pcb of non inverter type split type ac of capacity 1.5 to 2.0 ton and fixing the same in respective units including opening & taking down existing unsv pcb complete all as specified & directed by engineer-in-charge., s&f pcb of inverter type split type ac of capacity 1.5 to 2.0 ton and fixing the same in respective units including opening & taking down existing unsv pcb complete all as specified & directed by engineer-in-charge., s&f in replacement of of copper tubing and synthetic rubber tube insulation of thickness 9 mm & internal diameter - 6.0 mm (1/4") for refrigerant copper piping of split ac units complete all as specified and directed., s&f in replacement of of copper tubing and synthetic rubber tube insulation of thickness 9 mm & internal diameter - 13.0 mm (1/2") for refrigerant copper piping of split ac units complete all as specified and directed., s&f in replacement of of copper tubing and synthetic rubber tube insulation of thickness 9 mm & internal diameter - 9.0 mm (3/8") for refrigerant copper piping of split ac units complete all as specified and directed., s&f in replacement of of copper tubing and synthetic rubber tube insulation of thickness 9 mm & internal diameter - 16.0 mm (5/8") for refrigerant copper piping of split ac units complete all as specified and directed., s&f in repair drain pipe of any size suitable for split ac of capacity 1.5/2/3.5/4 tr as per sample complete all as specified and directed., supply only in replacement cordless remote for inverter type acs hot & cool suitable for 1.5 ton ac as per sample complete all as specif

CTN :45738046

10 Jul, 2026 NA

Delhi - Delhi

Tender For refilling of nitrous oxide gas , dissolved acetylene (gas) (v2) conforming to is 308

State Government

CTN :45695918

03 Jul, 2026 1.90 Lacs

Umaria - Madhya Pradesh

Tender For enquiry for procurement and refilling of dry nitrogen gas alongwith nitrogen gas cylinder parts, testing and painting for 8.5 e-9 abl coal mills installed at unit no. 1 to 4 at sgtps, mppgcl, birsinghpur

Central Government/Public Sector

CTN :45664294

15 Jul, 2026 NA

Ajmer - Rajasthan

Tender For supply of nitrogen gas in empty cyclinder having capacity 7 cubic meter, purity-99.9%, oxygen free dry nitrogen as per scope of work in annexure -a. [ warranty period: 30 months after the date of delivery ] ]

CTN :45148486

11 Jun, 2026 NA

Jaisalmer - Rajasthan

Tender For bid to ras supply of cylinder oxygen gas for refilling , cylinder carbon dioxide gas for refilling , cylinder nitrous oxide gas for refilling

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 :45291953

05 Jun, 2026 NA

Gorakhpur - Uttar Pradesh

Tender For providing of refilling of industrial gases in cylinders - hydrogen gas; as per scope of work,refilling of industrial gases in cylinders - nitrogen gas; as per scope of work,refilling of industrial gases in cylinders - helium gas purified to 99.995%; as per scope of work,refilling of industrial gases in cylinders - argon gas commercial grade; as per scope of work,refilling of industrial gases in cylinders - dissolved acetylene gas (as per is:308-1988); as per scope of work,refilling of industrial gases in cylinders - nitrous oxide gas purity 99 percent for aas; as per scope of work,refilling of industrial gases in cylinders - oxygen; as per scope of work,refilling of industrial gases in cylinders - co2 gas (ultra high pure) 99.99%; as per scope of work,refilling of industrial gases in cylinders - zero air; as per scope of work

Central Government/Public Sector

CTN :45165300

18 May, 2026 NA

Bokaro - Jharkhand

Tender For nitrous oxide gas(1items) comprising of following: 1 - nitrous oxide gas ,

corporations/Associations/Others

CTN :45011285

18 May, 2026 NA

Luckwada - Chhattisgarh

Tender For corrigendum : supply of 1700005089 industrial oxygen gas in 7 cum cylinder , 1700005090 dissolved acetylene in 7 cum cylinder , 1700005091 nitrogen gas in 7 cum cylinder , 1700006117 medical oxygen gas 1point5 cum per cylinder , 1700008788 nitrous oxide gas in cylinder 1780l , 1700005092 argon gas in 7 cum cylinder , 1700008789 medical carbon dioxide gas 1point5 cum per cylinder , 1700008790 medical oxygen gas in 7 cum cylinder , 1700043811 medical oxygen in cylinder 0point75 cum per cylinder

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