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GB/T 41332-2022Technical requirements for remote detection equipment of municipal underground pipelines (English PDF)

市政地下管线远程探测设备技术要求

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

March 9, 2022

Implementation date

October 1, 2022

Scope

GB/T 41332-2022 is the English-translated version of 市政地下管线远程探测设备技术要求.

GB/T 41332-2022 sets the technical requirements for the remote detection equipment of municipal underground pipelines, the equipment that watches a buried network from a distance.

It gives the composition of the equipment, the technical requirements it has to meet, the test methods, the inspection rules and the provisions on marking, packaging, storage and transport.

It applies to the design, manufacture and inspection of the equipment that detects gas concentration and vibration along municipal pipelines, the two signals that betray a leak or a third-party strike.

Equipment makers, gas and water utilities and inspectors use it. Issued on 9 March 2022, it has applied since 1 October 2022.

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Document preview — GB/T 41332-2022

National Standard of the People's Republic of China

ICS: 93.030
Classification: P 41

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Preface
1 Scope
2 Normative references
3 Terms and Definitions
4 Device configuration
5 Technical Requirements
6 Test method
7 Inspection rules
8 Marking, packaging, storage and transportation
Appendix A (normative) Indication error comparison method
Appendix B (normative) Alarm Error Comparison Method
Appendix C (Normative) Response Time Comparison Method

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 of Standardization Documents" drafted.

1 Scope

This document specifies the equipment composition, technical requirements, test methods, inspection rules, marking, packaging and storage of the remote detection of municipal underground pipelines and transportation.

This document is applicable to the gas concentration and Design, manufacture and inspection of vibration detection equipment.

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document.

GB/T 2423.1-2008 Environmental Testing of Electrical and Electronic Products Part 2: Test Methods Test A. Low Temperature

GB/T 2423.2-2008 Environmental testing of electrical and electronic products - Part 2: Test method Test B. High temperature

GB/T 2423.5-2019 Environmental Testing Part 2: Test Methods Test Ea and Guidelines. Shock

GB/T 2423.10-2019 Environmental Testing Part 2: Test Methods Test Fc. Vibration (Sinusoidal)

GB/T 3836.1-2021 Explosive Atmospheres Part 1: General Requirements for Equipment

GB/T 3836.2-2021 Explosive Atmospheres Part 2: Equipment Protected by Flameproof Enclosure "d"

GB/T 3836.4-2021 Explosive Atmospheres Part 4: Equipment Protected by Intrinsically Safe "i"

GB/T 4208-2017 Protection class of enclosure (IP code)

GB/T 9813.1-2016 General Specification for Computers Part 1: Desktop Microcomputers

GB/T 10111-2008 Generation of random numbers and its application in product quality sampling inspection

GB/T 11463-1989 Reliability test of electronic measuring instruments

GB 15322.1-2019 Combustible Gas Detectors Part 1: Point Type Combustible Gas Detectors for Industrial and Commercial Use

GB 16796-2009 Safety requirements and test methods for safety precaution and alarm equipment

GB/T 17626.2-2018 Electromagnetic Compatibility Test and Measurement Technology Electrostatic Discharge Immunity Test

GB/T 17626.3-2016 Electromagnetic compatibility test and measurement technology Radio frequency electromagnetic field radiation immunity test

GB/T 17626.4-2018 Electromagnetic Compatibility Test and Measurement Technology Electrical Fast Transient Burst Immunity Test

GB/T 17626.5-2019 Electromagnetic Compatibility Test and Measurement Technology Surge (Shock) Immunity Test JJG551-2021 Sulfur dioxide gas detector JJG678-2007 Catalytic combustion methane detector JJG693-2011 Combustible gas detection alarm JJG695-2019 Hydrogen Sulfide Gas Detector JJG915-2008 Carbon monoxide detection alarm

3 Terms and Definitions

The following terms and definitions apply to this document.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 22 pages — is available in the English PDF.

Referenced standards

Normative references

Similar standards

GB/T 25031-2026|GB/T 28888-2026|GB 4284-2018|GB 45669.10-2026|GB 45669.11-2026|GB 45669.12-2026

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