tender for purchase of spares for air preheater ( model 27.5 vitm 2000 720 pa ) of 2x250mw, unit no. 10 and 11, stps, sarni-- 1 spares for air preheater ( model 27.5vitm 2000 720pa ) of 2x250mw, unit no. 10 & 11, stps, sarni 2 inboard & outboard static seals for hot end sector plates; (one set = requirement for 1 aph), 3 inboard & outboard static seals for cold endsector plates; (one set = requirement for 1 aph), 4 cold end grating (one set = requirement for 1 aph), 5 static seal for axial seal plate plates,; (one set = requirement for 1 aph), 6 t-bar including t - bar pin, t- bar tab andt- bar clip for hot end 7 taper lock bush of o/p shaftof main drive gear box 8 complete u clamp for air preheater 9 kao wool packing 10 packingrope for air sealing coverassembly (guide bearing) 11 packing rope for air sealing coverassembly (support bearing) 12 by pass seal angle he (one set = requirement for 1 aph), 13 cold end spool assembly for aph 14 50 mm gun metal valve thread connection for los working pressure 5 kg/cm2 15 25 mm gun metal valve thread connection for los working pressure 5 kg/cm2 16 rotor angle he (one set = requirement for 1 aph), 17 soot blower pipe along with nozzle assembly 18 filter for air motor 1 bsp 19 support trunion bolts (one set = requirement for 1 aph), 20 relief valve(die casting)22 mm for lube oil system, working pressure 5 ksc, one end is 56mm & other end is 46 mm, make-corona or equivalent. 21 hydraulic pump for testing of leakage of lube oil cooler, pressure 35 ksc 22 lubricator for air motor 1 bsp 23 wash pipe assembly for hot end & cold end with ss nozzle(one set consist of 02 nos. ) 24 steel wire rope preform, ungalvanized steel wire rope core iwrc/steel core as per is 2266/2002, tensile strenght-1770 n/mm2, length:70 meterdia. of rope- 6 mm construction 6x19 make-usha martin or equivalent.