Latest porcelain insulator Tenders | Government porcelain insulator Tenders

corporations/Associations/Others

CTN :45112206

28 May, 2026 26.99 Lacs

Limbdi - Gujarat

Tender For work of porcelain insulator water washing work for 400/220/66kv lines under am division limbdi, surendranagar circle getco.

Central Government And Public Sector

CTN :45104682

12 May, 2026 NA

Bangalore - Karnataka

Tender For magnetic drum separator (double stage type) conforming to model/part no. efe-rwf-md-00 of electro flux equipments pvt ltd or model/part no. pml-917134510 of permanent magnet ltd or model/part no. bmx-369/1 of wesman engineering company pvt ltd, with the following specifications: technical specifications: 1. type of magnet: high power high gradient rare earth magnet (nd-fe-b) 2. magnet grade: n50 3. magnetic strength: minimum 3000-3500 gauss or higher at drum surface 4. maximum operating temperature: 80 deg c 5. separation efficiency: minimum 90% (preferably up to 95% or above) 6. drum material: stainless steel (ss) 7. drum diameter: 300 mm 8. drum width: 600 mm 9. number of drums: double10. drum surface hardness: 500-700 vickers drive system: 11) geared motor: 1.0 hp x 2 nos, 1440 rpm, 415v +/- 10%, 50 hz, 3 phase, continuous duty (s1), insulation class f or better 12) make of geared motor: premium make such as sew / bonfiglioli / nord or equivalent make 13) drive type: v-belt and pulley note: the supply consists of 1.complete unit with base frame, guards, fasteners and all accessories required forinstallation 2.suitable for continuous heavy-duty industrial operation 3. proper sealing arrangement to prevent dust ingress 4. anti-corrosive painting (except ss parts) 5. nameplate indicating model, serial number, year of manufacture and technical details (a) the bearings should be procured from authorised dealers and should be of skf/fag/ntn / timken / ina make only. (b) the firm should furnish bearing inspection certificate from manufacturers or their authorised testing agents along with the supply. (c) magnet strength certificate (gauss report) from manufacturer or nabl accredited lab to be furnished along with the supply. (d) material test certificate (mtc) for drum from nabl accredited lab to be furnished along with the supply. (e) warranty: warranty shall be 18 months from date of supply or 12 months from commissioning, whichever is earlier. (f) makes : electro flux / wesman / permanent magnet ltd only. [ warranty period: 18 months after the date of delivery ]

CTN :45112925

18 May, 2026 NA

Shimla - Himachal Pradesh

Tender For tender for supply of disconnecting ht and lt supply taking down the defective transformer indoor outdoor type from four pole two pole structure or lifting from the outdoor type foundation or taking out from sub station bldg using a crane of suitable capacity and slings ropes etc as required and shifting the same to civil workshop for repairs complete all as directed for transformer capacity 400 kva , shifting back the repaired transformer indoor outdoor type from civil workshop to site reinstalling at original position and fixing properly on four pole two pole structure or outdoor type foundation or inside a sub station bldg using a crane of suitable capacity and slings ropes etc as required making ht lt side connections and testing for satisfactorily working complete all as directed for transformer of capacity 400 kva , draining out transformer oil from the transformer and storing the same in suitable containers to be arranged by contractor without any extra cost opening the top cover and lifting up the core assembly carefully to check the condition of transformer windings and core retanking the same after repairing checking of leakage from transformer body and repairing welding works required for making transformer body leak proof refilling the transformer oil dully dehydrated and filtered dehydration and filteration to be paid separately and making all connections with ht lt side bushings refixing the top cover and testing the transformer with a suitable capacity insulation tester complete all as directed for transformer of cap 400 kva , m and l for rewinding of burnt out defective ht copper coils with new super enamelled heavy duty copper winding wires of size matching to the existing one including varnishing drying in a suitable oven and all insulating material such as cotton sleeves tapes etc and connections with bushing terminals complete all as specified and directed , all as per item no 4 above but lt copper coils complete all as specified and directed , m and l for painting the transformer tank from inside with two coats of zinc chromite after preparing the tank walls bottom top cover inner side by properly cleaning the surfaces oil free complete all as directed for transformer capacity 400 kva , m and l for replacement of defective ht porcelain bushing of suitable size for transformer of cap 400 kva including washers of good quality complete all as specified and directed , m and l for replacement of defective lt porcelain bushing of suitable size for transformer of cap 400 kva including washers of good quality complete all as specified and directed , dehydration and filteration of transformer oil for indoor outdoor type transformers of any capacity at site using transformer oil filteration plant to improve di electric strength not less than 45 kv at 2 point 5 mm electrode gap complete all as directed note unit rate quoted shall be deemed to include the charges for hiring of oil filteration plant shifting to different locations at cantt area testing of samples of oil as per requirement and nothing extra will be paid on this account , s and f new transformer oil for replacement or topping up the level of oil having dielectric strength not less than 45 complete all as specified and directed

CTN :45103175

01 Jun, 2026 NA

Patiala - Punjab

Tender For supply of thermal cum sound insulation material for driver's cab to be used in 3-phase electric locomotive to spec no. clw/ms/3/160 alt.-nil, and str no. icf/md/spec-413rev.-0 and drg no 1209-08.130-616, alt.-nil [ warranty period: 30 months after the date of delivery ]

CTN :45121103

01 Jun, 2026 NA

Lucknow - Uttar Pradesh

Tender For supply of insulation monitoring relay, 415 v ac, 3 phase, neutral isolated, voltage range - 0-500 v ac. insulation measuring range - 10 k ohm to 150 k ohm, control voltage 24 v - 240 v ac / dc as per page no. 39, sl. no. 63, item code a2 and place of installation s1a7 of bill of material of rdso spec no.- rdso/pe/spec/ac/0184-2015 (rev.-1) or latest, accepted make -contrel,bender,woka,abb,schneider,siemens & dold only as per bom lr no. el/7.1.108/mssbc dtd:- 17.09.2021 or latest, suitable for lhb ac coaches switch board cabinet (s1a7). as per spec-b [ warranty period: 30 months after the date of delivery ]

CTN :45120242

28 May, 2026 NA

Adra - West Bengal

Tender For supply of propeller type ac ventilating fan (exhaust fan) of size 300mm, capacitor type, rated voltage-240v, frequency 50 +/- 2 hz, insulation material class class b, motor enclosure-totally enclosed type, along with guard and other accessories such as frame, legs set, rubber clamps & other hardware etc, conforming to is 2312- 1967 with all amendments (reaffirmed 2020) and isi mark. [ warranty period: 30 months after the date of delivery ]

CTN :45117428

03 Jun, 2026 NA

Bareli - Madhya Pradesh

Tender For supply and application of resin bonded fibre glasswool insulation laminated on one side with single side laminated heat resistant aluminiium foil for lhb ac coaches. safety clause as per cpm/rcf letter no. rcf/hsq/plg/ppmf/16122 dated 21/3/2025 as per drawing/specification:mplfgwlhbac version : 14, packing instruction of material as per pi042. (the application, as per the scope of work, is attached) [ warranty period: 84 months after the date ofdelivery ]

Central Government/Public Sector

CTN :44902515

18 May, 2026 NA

Sonbhadra - Uttar Pradesh

Tender For corrigendum : 200150558 job contract for turbine insulation work and material supply for 500mw unit at ntpc rihand stage 1 ntpc rihand

Central Government/Public Sector

CTN :44895628

09 May, 2026 NA

Izatnagar - Uttar Pradesh

Tender For corrigendum : supply of repair and rewinding e e - opening of transformer cover draining oil de-tanking core- coil assembly assessment and estimation for repair and replacement of parts providing locking arrangement of all valves and plugs , loading and unloading of transformer at side cph and firms work premises hiring , hv leg coil with insulation varnish and baking of coil assembling vacuum , lv leg coil with insulation varnish and baking of coil assembling vacuum impregnation new ec grade copper with insulation , set of gaskets rubberized cork neoprene material and size is needed for hv and lv , breather dehydrator silica gel type with fresh silica gel 01 kg , fresh transformer oil of standard quality as per the isi mark for main tank and oltc , double float buchholz relay including all accessories , air release valve including all accessories if required , magnetic oil gauge including all accessories if required , radiator valve including all accessories if required , reassembling of 3 15 mva transformer dyn 11 star delta connected with proper size of copper strip , replacement change of complete gaskets rubberized cork neoprene material , the oltc was completely repaired with the replacement , painting charges of transformer tank having hot oil resistant paint inside and synthetic enamel paint on transformer after cleaning of tank and complete painting outside etc as reqd. , less the cost of old and burned transformer oil plus old transformer oil of oltc , less the cost of old and dismantling insulated copper