GB/T 26148-2025Safety specification for the use of manually operated high pressure waterjet equipment (English PDF)
高压水射流清洗作业安全规范
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Issued by
State Administration for Market Regulation; Standardization Administration of China
Level / Type
National · Recommended
Issue date
May 30, 2025
Implementation date
December 1, 2025
Scope
GB/T 26148-2025 is the English-translated version of 高压水射流清洗作业安全规范.
GB/T 26148-2025 is the Chinese standard "Safety specification for the use of manually operated high pressure waterjet equipment".
Its scope clause reads: This document specifies the composition and requirements of the operation team for high-pressure water jet cleaning operations, pre-operation preparation, operating procedures and equipment maintenance.
This document is applicable to high-pressure water jet cleaning operations with a pressure of not less than 10 MPa, and water jet mobile cutting and crushing operations. implement. Its clauses include terms and definitions.
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Document preview — GB/T 26148-2025
National Standard of the People's Republic of China
- ICS
- 23.100
- Classification
- J70
Issued by: State Administration for Market Regulation; Standardization Administration of China
Contents
- 1 Scope1
- 2 Normative references1
- 4 Composition and requirements of the cleaning team4
- 5.5 Device piping12
- 5.7 Entering the work site13
- 6 Operating procedures14
- 7 Equipment Maintenance19
- 7.7 Nozzle20
- 7.10 Trailer21
1 Scope
This document specifies the composition and requirements of the operation team for high-pressure water jet cleaning operations, pre-operation preparation, operating procedures and equipment maintenance.
This document is applicable to high-pressure water jet cleaning operations with a pressure of not less than 10 MPa, and water jet mobile cutting and crushing operations.
implement.
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 14866 General technical specification for eye and face protection
GB/T 41513 Classification and terminology of spray equipment
AQ 3018 General safety rules for hazardous chemical storage tank area operations
AQ 3026 Safety Specifications for Equipment Maintenance Operations in Chemical Production Units
HG 30010 Safety regulations for hot work in production areas
HG 30011 Safety Specifications for Confined Space Operations in Production Areas
HG 30013 Safety Specifications for Working at Heights in Production Areas
3 Terms and definitions
The terms and definitions defined in GB/T 41513 and the following apply to this document.
3.1 High pressure pump
The working pressure is between 10 MPa and 100 MPa. It is a pressure source device used to increase the water pressure and deliver the high-pressure water to the nozzle.
Note. High pressure pumps are often of positive displacement piston type to ensure a constant flow rate at a given pump speed.
3.2 spray gun
A handheld cleaning tool that controls high-pressure water through a nozzle to form a water jet.
Note 1.It consists of a control valve, a spray bar and a nozzle assembly (including one or more nozzles), and the spray gun locking mechanism is shown in Figure 1.
Note 2.The spray gun is usually connected to the pressure regulating valve at the discharge end of the high-pressure pump through a high-pressure hose assembly.
Note 3.Spray guns can be classified according to the type of control valve. if the system drops to normal pressure when the valve is closed and the high-pressure water is discharged to the atmosphere, it is a unloading type spray gun; if the valve
When closed, high pressure water remains in the system, which is a shut-off type spray gun.
[Source. GB/T 41513-2022, 4.3.6, modified] […]
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 31 pages — is available in the English PDF.
Referenced standards
Normative references
Similar standards
Editions of GB/T 26148
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 26148-2025 | Safety specification for the use of manually operated high pressure waterjet equipment | current edition | Current |
| GB/T 26148-2010 | Safety specification for the use of manually operated high pressure waterjet equipment | previous edition | Superseded |
This page sells the current edition, GB/T 26148-2025. Earlier editions are listed for reference only.
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Related Standards
GB 14866-2023 — General technical specification for eye and face protector
GB/T 41513-2022 — Classification and terms for jet equipment
GB/T 7251.4-2026 — Low-voltage switchgear and controlgear assemblies - Part 4: Particular requirements for assemblies for construction sites (ACS)
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