bids are invited for twin lobe roots blower air cooled - supplying, installation, testing and commissioning of 7.5 hp twin lobe roots blower air cooled having following specification: - blower :- beta make model no br 20.02 (ac) or its equivalent capacity (fad) - 143 cubic meter / hour (tolerance +/- 6%), blower speed - 2038 rpm, power consumption 3.66 bkw, differential pressure - kg / cubic cm (5000 mmwc) vertical flow direction, power transmission through v belt, inlet and outlet size - 80 nb, noise level - 86-87 db from 01 meter distance, machanical efficiency - 54.71, ambient inlet tempreturemotor :- motor rating - 5.5 kw/ 7.5 hp / ie2, rpm - 1440, 3 phase, foot mounted continuous operation (make - cg / kirloskar or its equivalent ) including all accessories with complete set etc as required. total quantity : 1