This standard specifies the product classification, technical requirements, test methods, inspection rules and markings, packaging, transportation and storage of high-pressure homogenizer pumps (also known as homogenizers, homogenizers, etc.). This standard applies to high-pressure homogenization pumps (hereinafter referred to as "homogenization pumps") used for homogenization or high-pressure spraying of liquid foods, beverages, dairy products, pharmaceuticals, chemical liquids, etc. with a dynamic viscosity not exceeding 0.2 Pa·s.