bids are invited for upgradation of ro plant multi stage vertical pump system in-corporated with thermal overload protector power 3 hp , acrylic rota meter , 230 v ac 50 hz with 1 inch connection solenoid valve , automatic micro controller based digital control panel with visible led to mimic the operation , thin film nano composed reverse osmosis membrane with intrinsic anti- fouling property , fiber glass reinforced plastics cylindrical housing pressure vessel 40 inch , pressure switch with rubber cable gland , conductivity and tds monitoring device enabled with microprocessor and 1 by 16 din fitting , stainless steel filter storage vessel for pleated filter 10 inch , micron pleated filter 10 inch , wall mounted cylindrical housing 20 inch , bag filter , polypropylene filter 20 inch , ultra violet sterilizer , fiber reinforced polymer pressure vessel with 2 point 5 inch socket , acidic cat ion exchanger in bead form and gel structure , activated sand bio media and carbon , highly supercharged resin , stainless steel feed pumping system 1 hp , stainless steel cylindrical vessel 1000 lph , with complete installation total quantity : 174