tender for < supply of boiler chemical for boiler feed water as per boiler norms to maintain results in all respect form its manufaturer/authorized dealer/distributor (thermax/ion exchange/nelco/ chemcon india/ .) > , supply of boiler chemical for boiler feed water as per boiler norms to maintain results in all respect form its manufaturer/authorized dealer/distributor (thermax/ion exchange/nelco/ chemcon india) :- , supply of boiler chemical for boiler feed water as per boiler norms to maintain results in respect of ph, alkalinity, tds, sulphate, phosphate, hardness, chloride (nacl), silica (sio2), total iron (fe), copper (cu), conductivity, oxygen etc. should be maintained with in prescribed limit for 21 kg/cm2 pressure and 3400 c boilers. (02 nos. boiler having capacity 25 tons each) (brand n-1150 + 2564 + 160 of ion exchange or its equivalent/ themax/ nelco/ vanguard make). total no. of days for crushing season are 150 +- 10 days. approx, (i) ph, units- ppm, feed water- 8 to 9, drum water- 9 to 10.5 (ii) total hardness as caco3, units- ppm, feed water- 0 to 20 (iii)silica as sio2, units- ppm, feed water - 0.5, drum water-10.00 (iv) total iron as fe units- ppm, feed water- 0.05 maximum, drum water- nil (v) pp alkalinity as caco3 units- ppm, feed water- --, drum water- 100-150 (vi) md alkalinity as caco3, drum water- 200-260, (vii) copper as cu, units- ppm, feed water- 0.03 maximum, (viii) dissolved o2, units- ppm, feed water- 0.007, (ix) sodium sulphite, units- ppm, feed water- nil, drum water- 20 (x) tds, units- ppm, feed water- 75 maximum, drum water- 1000 maximum, (xi) conductivity, units- ppm, feed water- 140 maximum, drum water- nil (xii) chlorides nacl, units- ppm, feed water- 1.00 maximum, drum water- 100-150 (xiii) residual hydrazine, units- ppm, feed water- nil, drum water- nil (xiv) organic matter as kmno4, units- ppm, feed water- 10, (xv) oil, units- ppm (ino-exchange/themax/ nelco/ chemcon make) please enable macros to view boq information