bids are invited for custom bid for services - overhauling work (supply of consumables/ spares and repair services) of cee dee vacuum make 10 kl transformer oil filtration machine (tofm) at ballia hvdc station - o-ring set of machine , course filter, 5 microns , fine filter, 1 micron , heater 3kw , teflon coated heater wire 2.5 sq. mm , vacuum pump oil , roots pump oil , root pump spider coupling rubber root pump details: (tuthill usa), model no. mkv3370, capacity 2800 cum/hr , vacuum pump filter , vacuum pump belt , vacuum pump solenoid valve , vacuum gauge , pressure gauge , compound gauge , thermostat switch , trap switch , float switch , solenoid valve for oil inlet line, 50nb , airing solenoid valve