procurement of hp and lp air blocks for screw compressors , spares forne135-9 compressor for ntpc tanda and auraiya , a / e assly 1st stage-lp , a / e assly 2nd stage-hp , a / e assly 2nd stage-hp , a / e assly 1st stage-lp , pressure trans -1 to 6 bar , pressure transmitter 0-6 bar , pr transmitter 0-16 bar , temp transmitter , range:0-300deg c , 4-20ma , temp . transmtr tev7090-150dgc thermocoupl , pressure switch assy for elgi air comp . , pressure switch , blow off , temp switch discharge , dp sw 0 to 1 . 4 kg / cm2;lube oil filters , solenoid valve assly 4way , e30 / 37 / 45:minimum pressure valve1 1 / 4 , filter air intake , gasket , inter cooler & after cooler , safety valve assembly , solenoid valve assly 4way , check valve , oil cooler:415301639 , blow off silencer , disc coupling , kit disc coupling sm 220 , mpv assyembly , ccv assy:a410363 , air lube pd oil ( 26 ltr pack )