This standard specifies the technical requirements for the design and manufacturing of axial flow compressors for general public security applications, as well as certain requirements for compressor driving devices, transmission equipment, lubrication and sealing oil systems, control instruments and auxiliary equipment. This standard applies to axial flow compressors that transport air or other gases, and their energy head should be greater than 25000J/kg. For special purpose axial flow compressors, please refer to it. If there is any conflict between this standard and the contract or technical agreement, the provisions of the agreement shall prevail.