supply and delivery of hp compressor spares at boosting station-ii, rana paschim ramnagar water treatment plant under south 24 parganas mechanical division, phe,dte.-- 1 n.b:-all quoted rates are inclusive of gst @ 18% 2 model: 40p10 high pressure compressors 3 piston ring replacement kit 2nd & 3rd stage 4 rider ring 85 1st stage 5 rider ring 2nd stage 6 rider ring 3rd stage 7 oil wiper ring 8 air filter 9 oil filter 10 compressor oil 11 tension nut 12 1st stage suction valve service kit 13 1st stage discharge valve service kit 14 2nd stage suction valve service kit 15 2nd stage discharge valve service kit 16 valve cover o ring 2nd stage 17 valve cover o gasket 2nd stage 18 valve cover o gasket3rd stage 19 valve cover o ring 3rd stage 20 3rd stage diaphragm 21 2nd stage diaphragm 22 presure gauge 2nd stage discharge (0-25 bar)