T/HSSYJ 0008-2022 High-quality copper alloy ceramic seal faucet

Scope

Scope: This standard specifies the terms and definitions, classification and naming, materials, auxiliary devices, technical requirements, test methods, inspection rules, marking, packaging, transportation, and storage of high-quality copper alloy ceramic seal faucets (hereinafter referred to as faucets). This standard applies to faucets installed at the ends of cold and hot water supply pipes in buildings, with a working pressure (static pressure) not exceeding 1.0 MPa and a medium temperature ranging from 4℃ to 90℃. Main technical contents: 7. Requirements 7.1 Appearance 7.2 Threads 7.3 Assembly 7.4 Limitations on the precipitation of metal impurities 7.5 Limitations on the precipitation of organic compounds 7.6 Dimensions 7.7 Performance in use 7.7.1 Mechanical performance against water pressure 7.7.2 Sealing performance 7.7.3 Hydraulic performance (applicable to the first outlet) 7.7.3.1 Flow rate 7.7.3.2 Flow rate uniformity 7.7.3.3 Sensitivity (applicable to single-handle dual-control faucets) 7.7.4 Resistance to installation loads 7.7.5 Resistance to usage loads 7.7.6 Adhesion strength of coatings and plating layers 7.7.6.1 Adhesion strength of coatings 7.7.6.2 Friction resistance of coatings 7.7.6.3 Adhesion strength of metal substrates to plating layers 7.7.6.4 Water resistance of PVD coatings 7.7.7 Surface corrosion resistance 7.7.8 Anti-backflow performance 7.7.9 Lifespan 7.7.9.1 Lifespan of faucet switching 7.7.9.2 Lifespan of conversion switches 7.7.9.3 Lifespan of rotating water outlets 7.7.9.4 Lifespan of pull-out faucets 7.7.10 Spray head function switching

Development Information

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