T/NAHIEM 57-2022
Prefilter (English Version)
- Standard No.
- T/NAHIEM 57-2022
- Language
- Chinese, Available in English version
- Release Date
- 2022
- Published By
- Group Standards of the People's Republic of China
- Latest
- T/NAHIEM 57-2022
- Scope
- This standard specifies the terms and definitions, technical requirements and test methods of pre-filters. It is suitable for pre-filters used in households and similar places that use municipal tap water or other centralized water supplies as raw water and filter screens or laminations as the main filter elements. The main technical contents of this standard include requirements such as interception rate, pressure drop, acid salt spray test of stainless steel mesh, freezing resistance level, filter washing level, bending strength, blasting level, high temperature resistance level, etc.
T/NAHIEM 57-2022 history
- 2022 T/NAHIEM 57-2022 Prefilter
