GB/T 45413-2025General technical requirements of water hammer monitoring system for water supply system (English PDF)
供水管网水锤监测系统通用技术要求
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
April 25, 2025
Implementation date
April 25, 2025
Scope
GB/T 45413-2025 is the English-translated version of 供水管网水锤监测系统通用技术要求.
GB/T 45413-2025 is the Chinese national standard for the systems that monitor water hammer in a water supply network. It sets the requirements for such a system and describes the test methods.
It defines the hydraulic unit, any component of the network - tank, pump, pipe, check valve, pressure relief valve, water hammer prevention valve, air valve, control valve or surge tower - along with water hammer and the monitoring terminal that reads the pressure sensors, identifies the peak and frequency of the surge and forwards the characteristic curve.
The system collects, records, analyses and judges that information, raises warnings and uploads it. It applies to pressurized systems: urban and building water supply and drainage, water diversion, industrial supply and drainage, mine drainage and agricultural irrigation. It was issued on 25 April 2025 and has applied since 25 April 2025.
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Document preview — GB/T 45413-2025
National Standard of the People's Republic of China
- ICS
- 17.040.30
- Classification
- N 10
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Preface
- 1 Scope
- 2 Normative references
- 3 Terms and Definitions
- 4 Requirement
- 5 Test methods
- References
Foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1: Structure and drafting rules for standardization documents" Drafting.
1 Scope
This document specifies the requirements for water hammer monitoring systems and describes the corresponding test methods.
This document is applicable to pressurized water supply projects such as urban water supply and drainage, building water supply, water diversion (adjustment), industrial water supply and drainage, mine drainage, and agricultural irrigation. Water hammer monitoring.
2 Normative references
The contents of the following documents constitute essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to this document.
GB/T 6587 General specification for electronic measuring instruments
GB/T 38674 Information security technology application software security programming guide
GB 50013 Outdoor water supply design standard
GB 50265 Pumping station design standard
SL317 Pumping Station Equipment Installation and Acceptance Specifications
3 Terms and definitions
The following terms and definitions apply to this document.
3.1 Hydraulic unit
A single hydraulic component that makes up the water supply network system.
Note: Includes water tank, pump, pipe, check valve, pressure relief valve, water hammer prevention valve, air valve, control valve, air tank, pressure regulating tower, etc.
3.2 Water hammer
The water flow rate in the water supply network changes suddenly, causing a sharp change in pressure.
Note: Also called water hammer.
3.3 Water hammer monitoring system
Record the evolution of water hammer, analyze and verify the water hammer calculation results and water hammer protection effect, evaluate the water hammer risk of water supply network, and have the ability to supply water hammer.
A system with functions of collecting, recording, analyzing, judging, warning and uploading water hammer risk information in water pipe networks.
3.4 Water hammer monitoring terminal
In the water hammer monitoring system, it is used to receive pressure sensor signals, perform data conversion, identify the peak value and frequency of water hammer in the water supply network, and provide records and terminal units that forward key data of water hammer characteristic curves.
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
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Related Standards
GB 50013-2018 — Standard for design of outdoor water supply engineering
GB 50265-2022 — Standard for pumping station design
GB/T 38674-2020 — Information security technology—Guideline on secure coding of application software
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GB/T 45413-2025
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