This standard specifies the basic parameters, technical conditions and test methods of high-pressure water jet equipment (including high-pressure cleaners, crushers, special high-pressure cleaning devices, etc.). This standard applies to high-pressure water jet equipment with a rated discharge pressure of 10 to 250MPa, a rated output power of 15 to 500kW, a conveying medium of clean water at normal temperature, and driven by an electric motor or other prime mover.