Valid

HG/T 2057-2025Mechanical seals for glass-lined agitated vessels (English PDF)

搪玻璃搅拌容器用机械密封

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Issued by

Ministry of Industry and Information Technology of the People's Republic of China

Level / Type

Industry · Recommended

Issue date

April 10, 2025

Implementation date

November 1, 2025

Scope

HG/T 2057-2025 is the English-translated version of 搪玻璃搅拌容器用机械密封.

HG/T 2057-2025 is the Chinese industry standard "Mechanical seals for glass-lined agitated vessels". It was issued on April 10, 2025 by the Ministry of Industry and Information Technology of the People's Republic of China, and took effect on November 1, 2025. It is in force and replaces HG/T 2057-2017.

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Document preview — HG/T 2057-2025

National Standard of the People's Republic of China

Issued by: Ministry of Industry and Information Technology of the People's Republic of China

Document data

1 Document data

Sector: Chemical Industry (industry standard).

Issuing body: Ministry of Industry and Information Technology of the People's Republic of China.

Date of issue: 2025-04-10.

Date of implementation: 2025-11-01.

Status: valid, replaces HG/T 2057-2017.

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

Referenced standards

Cited by

Editions of HG/T 2057

Edition	Title	Revision	Status
HG/T 2057-2025	Mechanical seals for glass-lined agitated vessels	—	Valid
HG/T 2057-2017	Mechanical seals for glass-lined vessel	—	Obsolete
HG/T 2057-2011	Mechanical seals for glass lined vessel	—	Obsolete
HG/T 2057-2003	Stirred glass lined vessel mechanical seals	—	Obsolete
HG/T 2057-1991	Glass-lined agitator vessels mechanical seal	—	Obsolete

This page sells the current edition, HG/T 2057-2025. Earlier editions are listed for reference only.

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