NSF/ANSI 44 : 2018现行
Residential Cation Exchange Water Softeners
出版：National Sanitation Foundation
专家解读视频
基本信息
标准编号： NSF/ANSI 44 : 2018
标准类别：Revision
出版单位：National Sanitation Foundation
标准页数：0
标准简介
The manual, auto-initiated, and demand-initiated regeneration (DIR) residential cation exchange water softeners addressed by this Standard are designed for the reduction of specific substances that may be present in drinking water (public or private) considered to be microbiologically safe and of known quality.
本标准替代的旧标准
