supply of filter bags and cages for ash handling system to rgtpp khedar hisar , supply of filter bags & cages for ash handling system to rgtpp khedar hisar. , filter bag for intermediate surge hopper (tech. data: size-id-155mm x 2740mm (l), material nomex non woven needle felt – 550 gm/m2, type: coller type, finish: singed and cylindered finish, gas temp.- 160 degree c) , cages for bag filer of intermediate surge hopper size: id-150mm x 2725mm (l), material for cage: cages made from g.i., 4mm wire of is 7887, no. of vertical wire 12 & 150 mm ring spacing with 18 no. of horizontal rings, top cup 185 x 25 x 1.2mm thickness, bottom cup 150 x 15 x 1.2mm thickness , filter bag for silo vent filter size: id 155 mm x 3700 mm (l), material – polyester, non woven needle, type- coller type, finish: singed and cylindered finish, gas temp.- 80 degree c normal & 130 degree c max.) , filter bag for immediate surge hopper, vent filter size: id-155mm x 1850mm (l), material-polyester, non woven needle felt, type: coller type, finish: singed and cylindered finish, gas temp.- 80 degree c , ventury for bag filter of immediate surge hopper, moc: aluminium, thickness: 2 to 3 minimum.