This standard specifies the product classification, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of milk storage males. This standard is applicable to insulated milk storage tanks that contain and store fresh milk or liquid materials that do not contain ions in the food industry and medicine, as well as dairy plants and milk centralized stations that use water as the cooling medium to adjust the milk temperature at any time to achieve low-temperature storage. 12h fresh milk, indirect water-cooled milk storage tank. This standard does not apply to direct cooling milk storage male.