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GB/T 6809.12-2026Reciprocating internal combustion engines - Vocabulary of components and systems - Part 12: Exhaust emission control systems (English PDF)

往复式内燃机零部件和系统术语第12部分：排放控制系统

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

September 28, 2026

Implementation date

April 1, 2027

Scope

GB/T 6809.12-2026 is the English-translated version of 往复式内燃机零部件和系统术语第12部分：排放控制系统.

GB/T 6809.12-2026 is the Chinese standard "Reciprocating internal combustion engines - Vocabulary of components and systems - Part 12: Exhaust emission control systems". Issued on 2026-09-28, in force from 2027-04-01.

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Document preview — GB/T 6809.12-2026

Foreword
About this standard
Related standards
Classification and status

1 Foreword

GB/T 6809.12-2026 was issued by SAMR; SAC on 28 September 2026 and has been in force since 1 April 2027.

It replaces the earlier edition GB/T 6809.12-2021.

It is one of 15 parts of the GB/T 6809 series.

2 About this standard

Sector: National Recommended

Standard type: recommended

Issued by: SAMR; SAC

English translation: about 15 pages (approximate)

3 Related standards

Other parts of this standard:

GB/T 6809.1-2009 — Vocabulary of components and systems -- Part 1: Structure and external covers

GB/T 6809.2-2013 — Vocabulary of components and systems -- Part 2: Valves, camshaft drives and actuating mechanisms

GB/T 6809.3-2013 — Vocabulary of components and systems -- Part 3: Main running gear

GB/T 6809.4-2007 — Vocabulary of components and systems -- Part 4: Pressure charging and air/exhaust gas ducting systems

GB/T 6809.5-2016 — Vocabulary of components and systems -- Part 5: Cooling systems

GB/T 6809.6-2009 — Vocabulary of components and systems -- Part 6: Lubricating systems

GB/T 6809.6-2026 — Part 6: Lubricating systems

GB/T 6809.7-2009 — Vocabulary of components and systems -- Part 7: Governing systems

GB/T 6809.8-2010 — Vocabulary of components and systems -- Part 8: Starting systems

GB/T 6809.9-2013 — Vocabulary of components and systems -- Part 9: Control and monitoring systems

GB/T 6809.10-2018 — Vocabulary of components and systems -- Part 10: Ignition systems

GB/T 6809.10-2026 — Part 10:Ignition systems

GB/T 6809.11-2018 — Vocabulary of components and systems -- Part 11: Fuel systems

GB/T 6809.11-2026 — Part 11: Liquid fuel systems

Other editions:

GB/T 6809.12-2021 (earlier edition)

4 Classification and status

Prefix GB/T: recommended standard.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

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