bids are invited for purification tower model 1 - inert gas purification tower, model-1. each tower shall consist of 1 no. of ss304lassembled tower with ball valves + 6 nos. k-type thermocouples (different lengths) + 1no. of cartridge heaters + 6 nos. of quartz insulated/glass cloth tape heaters + high-temperature ceramic blanket insulation + aluminium jacketing + end-terminals for tapeheaters + blind/closing flanges + ss 316l fasteners (for blind/closing flanges, 4 nos. ofss316l m6 bolts with nuts and washers, corrosion resistant + 24 nos. of ss316l m8bolts with nuts and washers, corrosion resistant + 2 nos. of ½-inch ball valve (ss316lweldable end connections) + 2 nos. of ¼-inch ball valve (ss316l, ferrule fittings type)(as per technical specifications) , purification tower model 2 - inert gas purification tower, model-2. each tower shall consist of 1 no. of ss304lassembled tower with ball valves + 8 nos. k-type thermocouples (different lengths) + 6nos. of quartz insulated/glass cloth tape heaters + high-temperature ceramic blanketinsulation + aluminium jacketing + end-terminals for tape heaters + blind/closingflanges + ss316l fasteners (for blind/closing flanges, 4 nos. of ss316l m6 bolts withnuts and washers, corrosion resistant + 24 nos. of ss316l m8 bolts with nuts andwashers, corrosion resistant + 2 nos. of ½-inch ball valve (ss316l weldable endconnections) + 2 nos. of ¼-inch ball valve (ss316l, ferrule fittings type) (as pertechnical specifications) , molecular sieves-pellet - molecular sieves, zeolite 4a, 3.0 mm diameter cylindrical pellet (as per technicalspecifications) , molecular sieves- beads - molecular sieves, zeolite 4a, 3.0 mm diameter spherical beads (as per technicalspecifications) , copper catalyst -pellet - copper catalyst tablets 6 mm diameter, 3 mm pellet thickness (as per technicalspecifications) , spare cartridge heater - spare cartridge heaters, 1.5 kw, 230 v, 50 hz, single phase (as per technicalspecifications) , tape heaters - spare quar