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reclamation repairing of cold end heating element basket of primary and secondary air preheater of unit no 4 2x500mw btps anpara

work of removing, cleaning, repairing, reversing and inserting of air preheater baskets in boiler unit no.3 & 4 during aoh /coh /rsd /fsd.

se/o/ttps/spec . no . 100/20 21 ttps operation circle mpm i unit iii removal of all the damaged insulation in the hot primary air ducts from air preheaters to mills providing scaffolding at various elevations and insulating the duct with lrb wool mattresses and cladding with g . i sh

supply of lube oil filter assembly for air preheater type 27.5 vimt 2000 installed at 2 x 250 mw boiler unit no. 3 & 4 at stps.

services of engineer for the supervision of air preheater during services of engineer for the supervision of air preheater duringoverhauling of 110 mw units at ntpc tanda . , services of engineer for aph , deptt <> man . dep engr

procurement of aph spares aph spares , guide trunion with trunion sleeve , dully fitted , for air pre heaters ( model 24 . 5 vit ) of unit 1 to 10 , cpp , nalco . , drive pinion , 43 teeth , suitable for 5 apc drive speed reducers of air preheaters of unit 1 to 10 , cpp , nalco . air preheater type 24 . 5 vit , 72 degree pa opening . , complete drive pinion cover for 5apc gearbox of air preheaters of unit 1 to 10 , cpp , nalco . aph model 24 . 5 vit .

procurement of radial seal assy for aph radial seal assy for aph , complete set of conventional radial seal assembly ( hot end ) for air preheater model 24 . 5 , vit unit # 1 to # 10 ( 120mw ) , cpp , nalco . one set consists of following items: 1 ) radial seal leaf in board ( 2 . 5 mm thick ) 12 nos . 2 ) radial seal leaf intermediate ( 2 . 5 mm thick ) 12 nos . 3 ) radial seal leaf outboard ( 2 . 5 mm thick ) 12nos . 4 ) holding strip in board ( 2 . 5 mm thick )...

procurement of cold end baskets for 27.5vitm 1900 series air preheaters of unit 5&6 boilers

overhauling of air preheaters and associated equipments of unit 3 and overhauling of air preheaters and associated equipments of unit 3 and unit2 of ntpc bongaigaon in fy 2020 2021 . , overhauling of aph of unit#3 , overhauling of aph of unit#2

ttps operation circle mpm i unit iii removal of all the damaged insulation in the hot primary air ducts from air preheaters to mills providing scaffolding at various elevations and insulating the duct with lrb wool mattresses & cladding with g.i sheet of 0.63mm thickness during annual overhaul 20202021

supply of erw tubes supply of erw tubes for air preheater , purchase of erw tubes for air pre heater , size: o/d 63 . 5 mm x 3 . 25 mm thk x 4000 mm long . moc: bs 6323 part 5 with physical & chemical test certificates .