GB/T 7119-2018 (English Version)

Standard No.: GB/T 7119-2018
Language: Chinese, Available in English version
Release Date: 2018
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest: GB/T 7119-2018
Replace: GB/T 7119-2006

Scope: This standard specifies the relevant terms and definitions, evaluation principles, evaluation index system and requirements for water-saving enterprises. This standard is applicable to the water-saving evaluation of industrial enterprises, and other enterprises can refer to this standard for water-saving evaluation.

Introduction

In-depth interpretation of GB/T 7119—2018 Water-saving Enterprise Evaluation Guidelines

Standard Dimensions	Core Requirements	Implementation Points
Basic Requirements	Separate metering and payment for domestic and production water, recycling of steam condensate, etc.	Establish a sound metering system and data recording system to ensure that the data is authentic and reliable.
Management Indicators	Management system, management organization, pipe network equipment management, etc.	Formulate a water-saving plan, clarify job responsibilities, and regularly inspect and maintain facilities.
Technical indicators	Key indicators such as water intake, reuse, and leakage rate.	Optimize process flow, adopt water-saving equipment, and regularly evaluate the effect of technical transformation.

Explanation of professional terms and practical application

For example, water balance test refers to a comprehensive analysis of the enterprise's water system, including the entire process of water supply, water use and drainage. Through this test, enterprises can identify water use bottlenecks and formulate targeted water-saving measures.

Standard Development Background and Technology Evolution

GB/T 7119—2018 is a revision of the original standard GB/T 7119—2006. The main updates include:

Optimized the list of normative references.
Adjusted some terms and definitions.
Cleared more scientific evaluation principles.
Detailed the indicator system and specific requirements.

Implementation Suggestions

In actual application, enterprises should:

Establish a special water-saving management organization and clarify the division of responsibilities.
Carry out water balance tests regularly and submit reports.
Invest resources in water-saving technology transformation, such as adopting an efficient circulating water system.
Strengthen employee water-saving awareness training and create a culture of conservation.

GB/T 7119-2018 Referenced Document

GB 24789 General provisions on equipping and managing of the measuring instrument of water in organization of water using
GB/T 12452 General principles of water balance test*， 2022-07-11 Update
GB/T 21534 Water saving—Terminology*， 2021-12-31 Update

GB/T 7119-2018 history

2018 GB/T 7119-2018 Evaluating guide for water saving enterprises
2006 GB/T 7119-2006 Evaluating guide for water saving enterprises
1993 GB/T 7119-1993 General principles for evaluating the rational utilization of water in enterprises