T/NAHIEM 163-2025 Household and similar small central water purifiers
T/NAHIEM 163-2025 Household and similar small central water purifiers
Basic Information
Scope
This document specifies the terms and definitions, classification and naming, requirements, test methods, inspection rules, marking, packaging, transportation, and storage of small central water purifiers for household and similar use (hereinafter referred to as "small central water purifiers"). This document applies to small central water treatment devices that use municipal tap water or other centralized water supply as raw water, equipped with one or more cylindrical filter cartridges. The filter cartridges used are injection-molded filter cartridges with a maximum diameter of 100-400mm. The main purification materials include filter nets, polypropylene meltblown, folded membranes, carbon fiber, activated carbon, and ultrafiltration membranes. These devices are installed at the household entrance to improve water quality for use in homes or similar places.