procurement of bag filter and cages for bag filters for buffer hopper for ph-i and ph-ii at sstpp , mppgcl , khandwa , bag filters & cages for ph-i , bag filters for buffer hopper material of construction- nomex-550 gm/ mt sq . , aramid fibre , size- 160 x 2000 mm , fibre composition- polyaramide , weight-550 gm/ mt sq . , density-0 . 29 gm/ mt cube , air permeability-150l/d mtsq/ min , wrap strength , - 800 n/5x20 cm , weft strenfth- 1000 n/n 5x20 cm , wrap tensile elongation-35 % , weft tensile elongation-45 % , working temperature-204 deg centigrade , short working temperature- 250 deg centigrade , anti acid- good anti alkali- excellent , surface treatment- singeing , calandering and heat setting . , cages with venturi for bag filters material :ss304 size 145mm ( inner dia ) x1980mm ( long ) ring wire thickness:3 . 5mm no . of vertical wires :12 nos . no . of horizontal wires :13 nos . , cage with venturi filter bag for ph-ii , material-ss304size-inner dia-140mm , outer dia-153mm , length-1780mmring wire dia-3 . 5mm , no . of vertical wires-12 , no . of horizontal wire-10