Minimum allowable values of water efficiency and water efficiency grades for squatting pans
国家标准化管理委员会
本标准规定了蹲便器的水效限定值、节水评价值、水效等级、冲洗功能要求和试验方法。
本标准适用于安装在建筑物内的冷水供水管路上，供水静压力不大于0.6 MPa条件下使用的蹲便器(不含幼儿型)的水效评价。
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