supply of spares for mellcon make air dryer (model no. csl- 55 and 56) installed at dense phase dry fly ash handling system of unit 5 and 6 csctpp, chhabra , water solenoid valve with coil , suction filter core - sra9617t , temp.indicator controller , solenoid valve freon , freon dryer core , hot gas by pass valve with coil , high pressure gauge 0-500 psi , low pressure gauge 0-350 psi , auto drain valve type-imvd-10 with coil , hp/lp switch type-mp , expansion valve te5, r-22,r-407c , compressor sz 18554rc or equivallent , compressor sm 18554rc or equivallent , oil seperator , freon dryer filter (df) , ball valve refrigerant linesize-25 mm , temp.indicator controller-1 relay ( tic3) , temp.indicator controller-2 relay ( tic2)