Minimum allowable values of water efficiency and water efficiency grades for flush valve for water closets
全国工业节水标准化技术委员会用水产品和器具用水效率分技术委员会(SAC/TC 442/SC 1)
本标准规定了机械式便器冲洗阀、压力式便器冲洗阀、非接触式便器冲洗阀的用水效率限定值、节水评价值、用水效率等级、技术要求和试验方法。
本标准适用于安装在建筑设施供水管路上，供水压力≤0.9 MPa、介质温度≤40 ℃条件下使用的便器冲洗阀。
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