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JB/T 11878-2014Reciprocating High Power Internal Combustion Engines - Intake and Exhaust Valves - Specification (English PDF)

往复式大功率内燃机进、排气门技术条件

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Issued by

MIIT

Level / Type

Industry · Recommended

Issue date

May 6, 2014

Implementation date

October 1, 2014

Scope

JB/T 11878-2014 is the English-translated version of 往复式大功率内燃机进、排气门技术条件.

JB/T 11878-2014 is a recommended Chinese machinery industry standard for the intake and exhaust valves of high power reciprocating internal combustion engines.

It sets out terms and definitions, the structure of the valves, the technical requirements they have to meet, the test methods, the inspection rules and the rules for marking, packaging, transport and storage.

The document sits under the Chinese classification J93 and the international classification 27.020, and was issued by the Ministry of Industry and Information Technology.

Among the standards it quotes are GB/T 228.1, GB/T 230.1, GB/T 1184-1996, GB/T 2828.1, GB/T 3077, GB/T 12773, JB/T 3168.3-1999, JB/T 6012.2, JB/T 6012.3 and JB/T 6012.4.

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Document preview — JB/T 11878-2014

National Standard of the People's Republic of China

ICS: 27.020

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

Foreword
Scope
Normative references
About this standard
Classification and status

1 Foreword

JB/T 11878-2014 was issued by MIIT on 6 May 2014 and has been in force since 1 October 2014.

2 Scope

This standard is a recommended Chinese machinery industry standard for the intake and exhaust valves of high power reciprocating internal combustion engines. It sets out terms and definitions, the structure of the valves, the technical requirements they have to meet, the test methods, the inspection rules and the rules for marking, packaging, transport and storage. The document sits under the Chinese classification J93 and the international classification 27.020, and was issued by the Ministry of Industry and Information Technology. Among the standards it quotes are GB/T 228.1, GB/T 230.1, GB/T 1184-1996, GB/T 2828.1, GB/T 3077, GB/T 12773, JB/T 3168.3-1999, JB/T 6012.2, JB/T 6012.3 and JB/T 6012.4.

3 Normative references

JB/T 11878-2014 cites the following standards, which apply in full or in part through the references made to them in its clauses.

GB/T 228.1

GB/T 230.1

GB/T 231.1

GB/T 1184-1996 — Geometrical tolerancing. Geometrical tolerance for features without individual tolerance indications

GB/T 1804-2000 — General tolerances - Tolerances for linear and angular dimensions without individual tolerance indications

GB/T 1958-2004

GB/T 2828.1

GB/T 3077

GB/T 4340.1

GB/T 4955

GB/T 4956

GB/T 6462

GB/T 11354

GB/T 12773

GB/T 23337

JB/T 3168.3-1999 — Spray welding alloy powders - Methods for chemical analysis

JB/T 6012.2

JB/T 6012.3

JB/T 6012.4

4 About this standard

Issued by: MIIT

English translation: about 15 pages

5 Classification and status

International classification (ICS): 27.020

Prefix JB/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.

Referenced standards

Normative references

Similar standards

JB/T 6012.5-2014|GB/T 23337-2023|GB/T 33928-2017|GB/T 30138-2013|JB/T 11784-2014|GB/T 8190.4-2023

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