purchase of various types of heaters installed in btg and bop area and heaters for lub oil system of coal mill of 2x250mw, ph-iv, stps, sarni. , shaft insulator heater-rating 1 kw, 1 phase, 415 v, 50 hz , esp shaft insulator- ss steel tube having nicr heating element fused with magnesium, adapter complete with cast aluminum enclosed for two terminal and two terminal for looping, 2 hole for cable gland for bhel make esp model no. -faa-9 x 37.5m-2x116150-2 , support insulator heater- rating 1000w,415v , 50hz, support insulator heater - ss steel tube having nicr heating element fused with magnesium ,tubular circular type complete with aluminum cast terminal box, circle dia ~71cm,height from jb to circle~48cm for bhel make esp model no. -faa-9 x 37.5m-2x116150-2, , hopper heaters for esp (u type) - rating 500w,415 v ac, approx. of 8.0/8.2mm dia ss steel tube of length 1000/1100 mm in u shaped, having nicr heating element fused with magnesia, adapter complete with cast aluminum enclosure for two terminal and two extra terminal for looping ,2 hole for cable gland ,pocket size for heater 4x6 cm. for bhel make esp model no. -faa-9 x 37.5m-2x116150-2, , silo blower heater 17kw, 415v, 3 phase, star connected air heater bundle consisting of 9 nos. u shaped heating elements each of 1888w, 240v and made 8.2mm dia, ss-321 tube brazed on ms flange (of 10” nb blrf x 150 # anslb 16.5) with length of 1200mm below the flange with junction box have two nos. cable entry one no. suitable for 3.5cx70 sq.mm al cable & other one suitable for 3.5x35 sq.mm al cable. 17kw heating unit will be connected in double heating bank of 11.33kw and 5.67kw , esp blower heater - 30kw, 415v, 3 phase, star connected air heater bundle consisting of 18 nos. u shaped heating elements each of 1667w, 240v and made 8.2mm dia, ss-321 tube brazed on ms flange (of 10” nb blrf x 150 # anslb 16.5) with length of 1200mm below the flange, with junction box have two nos. cable entry one no. suitable for 3.5cx70 sq.mm al cable & other one suitable for 3.5x35 sq.mm al cable. 30kw heating unit will be connected in double heating bank of 20kw and 10kw , chlorine vaporizer heater – 6kw, 230/415 v , ac, 50hz , type- ihcu 60/38 , 1.5 kw (500wx3), 3 phase, 415/230 v 50hz, mgo insulated, ss304 elements star connection, lub oil heater with flange & top cover (complete assembly) as per drawing.