procurement of different types of esp spares for unit 2 esp overhauling work in july and august 2022 , procurement of different types of esp spares for u#2 esp overhauling work in july & august 2022. , two roller bush bearings # for rapping mechanism of esp sgtpp1 , three roller bush bearings for rapping shaft of esp , four roller bush bearings # for rapping mechanism of esp sgtpp1 , shaft insulator imported , major pin wheel big , minor pin wheel small , hopper heater # , support insulator heater 1.5kw # , shaft insulation heater # , gd screen, first stage plate for esp # additional data:gd screen dimension:-length - 6630 mmwidth - 390 mm , hole dia - 85 mm hole to hole ( vertical ) - 45 mm hole to hole ( horiontal ) - 35 mm , spiral emitting wire for esp emitting electrode of 300 mw unit 2.7 mm dia.;turns no.-40; material- 1_4910 ( 0.5-x3c imobn17-13-3 ) ; for esp of 300 mw dec unit. additional data: type of electrode- spiral with both ends reinforced with metallic hook.. material composition: fe-66.5%, cr 17.09%, ni-12.93%, mo- 1.932%, mn-1.54% etc. , each roll should contain