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GB 48145-2026Requirements for the integrity of mechanical and electrical equipment in underground coal mine (English PDF)

井工煤矿机电设备完好性要求

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Issued by

SAMR; SAC

Level / Type

National · Mandatory

Issue date

August 27, 2026

Implementation date

March 1, 2027

Scope

GB 48145-2026 is the English-translated version of 井工煤矿机电设备完好性要求.

This mandatory national standard sets out requirements for the integrity of mechanical and electrical equipment in use in underground coal mines.

It deals with basic requirements, explosion-proof requirements and performance requirements for electrical equipment, and requirements for mechanical equipment, and it serves as the basis for integrity inspection of such equipment.

Metal and non-metal underground mines that are associated with and coexist with coal are directed to refer to it when inspecting their own equipment.

Colliery operators, mine maintenance and electrical engineering teams, safety inspectors and suppliers of mining machinery will use it to plan inspection routines and to judge whether installed equipment is fit to remain in service.

It was issued on 27 August 2026 under the responsibility of the National Mine Safety Administration, takes effect on 1 March 2027, and is mandatory in China, so compliance is a condition for operating covered equipment underground.

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Document preview — GB 48145-2026

National Standard of the People's Republic of China

ICS: 73.100.01
Classification: D09

Issued by: State Administration for Market Regulation; Standardization Administration of China

Foreword
1 Scope
2 Normative references
3 Terms and definitions

Foreword

GB 48145-2026 is a mandatory national standard (GB) of the People's Republic of China, issued on 27 August 2026 by the State Administration for Market Regulation and the Standardization Administration of China, with effect from 1 March 2027.

It is under the responsibility of the National Mine Safety Administration.

Classification: ICS 73.100.01; CCS D09.

1 Scope

This mandatory national standard sets out requirements for the integrity of mechanical and electrical equipment in use in underground coal mines. It deals with basic requirements, explosion-proof requirements and performance requirements for electrical equipment, and requirements for mechanical equipment, and it serves as the basis for integrity inspection of such equipment. Metal and non-metal underground mines that are associated with and coexist with coal are directed to refer to it when inspecting their own equipment. Colliery operators, mine maintenance and electrical engineering teams, safety inspectors and suppliers of mining machinery will use it to plan inspection routines and to judge whether installed equipment is fit to remain in service. It was issued on 27 August 2026 under the responsibility of the National Mine Safety Administration, takes effect on 1 March 2027, and is mandatory in China, so compliance is a condition for operating covered equipment underground.

Remaining clauses in the full document

2 Normative references
3 Terms and definitions

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 33 pages — is available in the English PDF.

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