T/CAS ES211502003-2022 Active

Scope: This document specifies the evaluation procedures and requirements for quality grading of reverse osmosis water treatment devices, evaluation methods, and quality grading. This document applies to quality grading evaluation activities of reverse osmosis water treatment device products, including membrane housings, membrane elements, membrane frames, valves, pipelines, safety filters, pumps, sampling devices, and online monitoring instruments (pressure gauges, flow meters, conductivity meters, etc.). Quality grading evaluation activities of equipment that uses reverse osmosis technology for water desalination, purification, and separation (such as reverse osmosis desalination devices) can refer to these rules. Main technical content: 1. Scope: This document specifies the evaluation procedures and requirements for quality grading of reverse osmosis water treatment devices, evaluation methods, and quality grading. This document applies to quality grading evaluation activities of reverse osmosis water treatment device products, including membrane housings, membrane elements, membrane frames, valves, pipelines, safety filters, pumps, sampling devices, and online monitoring instruments (pressure gauges, flow meters, conductivity meters, etc.). Quality grading evaluation activities of equipment that uses reverse osmosis technology for water desalination, purification, and separation (such as reverse osmosis desalination devices) can refer to these rules. 2. Normative references: The content of the following documents is an essential part of this document through normative references. Among them, the referenced documents with a specified date only apply to the version corresponding to that date; the unspecified date referenced documents, the latest version (including all amendment sheets) applies to this document. GB 150 - Pressure Vessels GB/T 17219 - Hygienic Safety Evaluation Standards for Domestic Drinking Water Equipment and Protective Materials GB