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AQ 4228-2025Safety specification for dust explosion prevention in wood processing system (English PDF)

木材加工系统粉尘防爆安全规范

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Issued by

Ministry of Emergency Management

Level / Type

National · Mandatory

Issue date

October 15, 2025

Implementation date

November 1, 2026

Scope

AQ 4228-2025 is the English-translated version of 木材加工系统粉尘防爆安全规范.

AQ 4228-2025 — This standard specifies the general requirements for dust explosion prevention in wood processing systems, including equipment and facilities, inspection and maintenance of explosion-proof safety-related equipment and facilities, dust cleaning and management, and training requirements, and describes verification methods.

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Document preview — AQ 4228-2025

National Standard of the People's Republic of China

ICS: 13.100
Classification: C 50
Replacing: AQ 4228-2012

Issued by: Ministry of Emergency Management

What this standard covers1
Document data2

What this standard covers

This standard specifies the general requirements for dust explosion prevention in wood processing systems, including equipment and facilities, inspection and maintenance of explosion-proof safety-related equipment and facilities, dust cleaning and management, and training requirements, and describes verification methods. This standard applies to the safety management of wood processing plants, engineered wood product plants, wood product manufacturing plants, wood flour plants, and bamboo, rattan, palm, and grass product manufacturing plants, as well as other wood product processing sites in various industries.

Document data

International classification (ICS): 13.100.

Chinese classification (CCS): C50.

Estimated length of the Chinese original: 13,122 words.

Supersedes the earlier edition AQ 4228-2012.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 9 pages — is available in the English PDF.

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