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Database: 189760 (18 Oct 2025)
JB/T 6012-2005 English PDF
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JB/T 6012-2005
: Internal combustion engines. Intake and exhaust valves. Specification
Status: Obsolete
JB/T 6012: Evolution and historical versions
Standard ID
Contents [version]
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Standard Title (Description)
Status
PDF
JB/T 6012-2005
English
599
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3 days [Need to translate]
Internal combustion engines. Intake and exhaust valves. Specification
Obsolete
JB/T 6012-2005
JB/T 6012-1992
English
359
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3 days [Need to translate]
(Internal combustion engine intake and exhaust valves technical conditions)
Obsolete
JB/T 6012-1992
PDF similar to JB/T 6012-2005
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JB/T 6012.5
JB/T 6008
JB/T 6012.2
Basic data
Standard ID
JB/T 6012-2005 (JB/T6012-2005)
Description (Translated English)
Internal combustion engines. Intake and exhaust valves. Specification
Sector / Industry
Mechanical & Machinery Industry Standard (Recommended)
Classification of Chinese Standard
J93
Classification of International Standard
27.020
Word Count Estimation
15,193
Date of Issue
2005-02-14
Date of Implementation
2005-08-01
Older Standard (superseded by this standard)
JB/T 6012-1992
Adopted Standard
ISO 683-15-1992, NEQ; JASO E101-1985, NEQ
Regulation (derived from)
Development and Reform Bulletin (05/07)
Summary
This standard specifies the engine intake and exhaust valve (hereinafter referred to as the valve) technical requirements, test methods, inspection rules, marking, packaging, transportation and storage. This standard applies to cylinder diameter 200mm or less reciprocating piston engine valve.