This standard specifies the terms and definitions, classification, materials, supporting devices, requirements, test methods, inspection rules, marking, packaging, transportation and storage of faucets. This standard is applicable to hot and cold water supply pipelines with nominal dimensions of DN10, DN15, DN20, and DN25, working pressure (static pressure) not greater than 1.0MPa, water supply temperature of 4℃~90℃, and installed in buildings without Comes with faucets of various structures.