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GB/T 46167-2025Flexible hose and hose assemblies for fracturing — Specification (English PDF)

压裂用柔性软管和软管组合件　规范

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

August 29, 2025

Implementation date

March 1, 2026

Scope

GB/T 46167-2025 is the English-translated version of 压裂用柔性软管和软管组合件　规范.

GB/T 46167-2025 is the Chinese national specification for the flexible hoses and hose assemblies used between the fracturing truck or skid and the wellhead in acid fracturing.

It covers their classification, structure, requirements, inspection rules, marking, storage and transport, and the test methods. The hose is built from an inner lining layer, a reinforcement layer and an outer cover, with optional wear warning layers, a fire retardant layer and a sheath.

It applies to hoses of 38 mm to 180 mm with maximum working pressures of 103.5 MPa and 138.0 MPa, working at ambient temperatures of -35 °C to 45 °C and carrying media at -35 °C to 100 °C: acid fracturing fluid, proppant, hydrochloric acid up to 30% by mass, liquid carbon dioxide and nitrogen. It was issued on 29 August 2025 and has applied since 1 March 2026.

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Document preview — GB/T 46167-2025

National Standard of the People's Republic of China

ICS: 83.140.40
Classification: G 42

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

Foreword
1 Scope
2 Normative references
3 Terms and Definitions
4 Structure and classification

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 classification, structure, requirements, inspection rules, marking, storage and transportation of flexible hoses and hose assemblies for fracturing. And the test methods for its relevant properties are described.

This document applies to flexible hoses and hose assemblies used between the fracturing truck (skid) and the fracturing wellhead during acid fracturing operations.

The conveying medium is acid fracturing fluid, proppant, hydrochloric acid with a maximum concentration (mass fraction) of 30%, liquid carbon dioxide, nitrogen, etc.

The diameter is between 38mm and 180mm, the maximum working pressure is 103.5MPa and 138.0MPa, and the working environment temperature is -35°C~45°C. The working medium temperature is -35°C~100°C.

The recommended maximum flow rate and maximum flow rate of the hose are shown in Appendix A.

2 Normative references

The contents of the following documents constitute the 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 5478 Test method for rolling wear of plastics

GB/T 5563 Rubber and plastic hoses and hose assemblies - Test methods for hydrostatic pressure

GB/T 7528 Terminology of rubber and plastic hoses and hose assemblies

GB/T 9573 Rubber and plastic hoses and hose assemblies - Methods for measuring hose dimensions and hose assembly lengths

GB/T 9576 Rubber and plastic hoses and hose assemblies - Guide for selection, storage, use and maintenance

GB/T 9577 Rules for marking, packaging and transportation of rubber and plastic hoses and hose assemblies

GB/T 9867-2008 Vulcanized rubber or thermoplastic rubber - Determination of wear resistance (rotating roller abrader method)

GB/T 22513-2023 Wellhead equipment and Christmas trees for oil and gas drilling and production

3 Terms and Definitions

The terms and definitions defined in GB/T 7528 apply to this document.

4 Structure and classification

4.1 Hose

The hose is composed of an inner lining layer, a reinforcement layer, and an outer covering layer. It can be equipped with an inner lining wear warning layer, a fire retardant layer, and an outer covering wear warning layer as needed.

The structure of the layer, sheath and hose is shown in Figure 1.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 17 pages — is available in the English PDF.

Referenced standards

Normative references

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