... shaft coupling / mechanical couplings / coupling element / replacement part of atlas copco screw air compressor 2.Easy to mount,operate and maintain3.Long life ... the replacement spare parts for screw air compressors ,such as Atlas Copco,Sullair, Ingersollrand, Hitachi ,Compair, Fusheng and many more. ... Southeast Asia rubber coupling /shaft coupling replacement part of atlas copco screw air compressor