hoerbiger make net gas compressor valves kit and other spares hoerbiger make net gas compressor valves kit and other spares , list of item(s) / work(s) as per tender documents , 1st stg non met sv repair kit5125665-296 , 1st stg non met dv repair kit5125664-296 , 2nd stg non met sv repair kit5125666-256 , 2nd stg non met dv repair kit5125667-256 , piston ring p/n 2356.6401.730 , rider ring p/n 2355.6401.730 , piston ring 1st stage p/n:2356.0003.000 , rider ring p/n 2355.4001.730 , oil scraperp/n 2270.0035.180 , seal rings p/n 270.0025.200 , packing ring stage i part 2269.2014.010 , packing ring stage ii part 2269.2014.010 , repair kit for check valve p/n 1937463 , repair kit for check valve p/n 1937464 , check valve with housing 124f3d , check valve with housing 197g3d