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GB/T 46543-2025Integrity management of non-metallic pipelines for oil and gas transmission (English PDF)

油气输送用非金属管道完整性管理

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

December 2, 2025

Implementation date

April 1, 2026

Scope

GB/T 46543-2025 is the English-translated version of 油气输送用非金属管道完整性管理.

GB/T 46543-2025 is the Chinese standard "Integrity management of non-metallic pipelines for oil and gas transmission".

Its scope clause reads: This document specifies the general requirements for the integrity management of non-metallic pipelines used for oil and gas transportation, and establishes the requirements for integrity management during the construction phase and the operational phase.

Integrity management, outage period integrity management, failure management, as well as record and document management, communication and change management, training and skills related to content.

This document applies to non-metallic pipelines used for oil and gas transportation (fiberglass pipelines, flexible composite high-pressure transmission pipes, thermoplastic plastic lined with fiberglass).

Integrity management of fiberglass composite pipes, steel-reinforced polyethylene composite pipes, and polyethylene pipes, etc., is also applicable to injection systems in oil and gas fields.

Integrity management of non-metallic pipelines used for producing water transportation. Its clauses include terms and definitions.

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Document preview — GB/T 46543-2025

National Standard of the People's Republic of China

ICS: 75.200
Classification: E 16

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

Preface
1.Scope
2 Normative References
3.Terms and Definitions
4.General Requirements
5.Construction Phase Integrity Management
5.1 General Requirements
5.2 Design Phase
5.3 Construction Phase
5.4 Acceptance Phase
6.Operational Integrity Management
6.1 General Rules
6.2 Data Acquisition and Integration
6.3 High-consequence area identification
6.4 Risk Assessment
6.5 Monitoring, Non-destructive Testing and Integrity Assessment
6.6 Maintenance, Repair, and Risk Mitigation
6.7 Performance Evaluation
7.Integrity Management During the Off-Term Period
7.1 General Requirements
7.2 Sealing Pipeline
7.3 Waste disposal
8 Failure Management
9.Record and document management, communication and change management
9.1 Record and Document Management
9.2 Communication
9.3 Change Management
10 Training and Skills
Appendix B (Informative) Risk Matrix Assessment Method
Appendix C (Informative) Risk Assessment Methods for Non-metallic Pipelines
Appendix D (Normative) Visual Inspection of Non-metallic Pipelines
Appendix E (Informative) Non-metallic Pipeline Monitoring Technology
Appendix F (Informative) Non-destructive Testing Techniques for Non-metallic Pipelines
Appendix G (Informative) Life Prediction of Non-metallic Pipes Based on Hydrostatic Residual Strength Method
Appendix H (Informative) Failure Analysis of Non-metallic Pipelines
References

1 Scope

This document specifies the general requirements for the integrity management of non-metallic pipelines used for oil and gas transportation, and establishes the requirements for integrity management during the construction phase and the operational phase.

Integrity management, outage period integrity management, failure management, as well as record and document management, communication and change management, training and skills related to content.

Integrity management of fiberglass composite pipes, steel-reinforced polyethylene composite pipes, and polyethylene pipes, etc., is also applicable to injection systems in oil and gas fields.

Integrity management of non-metallic pipelines used for producing water transportation.

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included.

For references to documents, only the version corresponding to that date applies; for undated references, the latest version (including all revisions) applies.

This document.

GB/T 13663.2 Polyethylene (PE) piping systems for water supply - Part 2.Pipes

GB/T 15558.2 Buried polyethylene (PE) piping systems for gas supply - Part 2.Pipe materials

GB 32167 Integrity Management Standard for Oil and Gas Pipelines

SY/T 6266 Low-pressure fiberglass conduits and fittings

SY/T 6267 High-pressure fiberglass conduit

SY/T 6662.1 Non-metallic composite pipes for the oil and gas industry - Part 1.Steel-reinforced polyethylene composite pipes

SY/T 6662.2 Non-metallic composite pipes for the oil and gas industry - Part 2.Flexible composite high-pressure transmission pipes

SY/T 6662.4 Non-metallic composite pipes for the oil and gas industry - Part 4.Steel-reinforced thermoplastic composite continuous pipes and connectors

SY/T 6662.7 Non-metallic composite pipes for the oil and gas industry - Part 7.Thermoplastic-lined fiberglass composite pipes

3 Terms and Definitions

The following terms and definitions apply to this document.

3.1

Non-metallic pipes are in a safe and reliable service condition.

Note. This mainly includes that the pipeline is structurally and functionally complete; the pipeline is in a risk-controlled state; and the pipeline's safety status meets current operational requirements.

3.2 reinforced material

The material that bears the main mechanical load in a non-metallic tube.

Note. Generally includes inorganic, organic, or metal-reinforced materials.

3.3 connector

Components used for connecting non-metallic pipes to each other and to other pipes or systems.

SY/T 7774 | GB/T 9711 | SY/T 10025 | GB/T 47444 | GB/T 46419 | […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 37 pages — is available in the English PDF.

Referenced standards

Normative references

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