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Database: 189759 (26 Oct 2025)
SY/T 6635-2014 English PDF
SY/T 6635: Evolution and historical versions
Standard ID
Contents [version]
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Standard Title (Description)
Status
PDF
SY/T 6635-2014
English
RFQ
ASK
8 days [Need to translate]
Inspection practices for piping system components
Obsolete
SY/T 6635-2014
SY/T 6635-2005
English
RFQ
ASK
9 days [Need to translate]
Inspection practices for piping system components
Obsolete
SY/T 6635-2005
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Basic data
Standard ID
SY/T 6635-2014 (SY/T6635-2014)
Description (Translated English)
Inspection practices for piping system components
Sector / Industry
Oil & Gas Industry Standard (Recommended)
Classification of Chinese Standard
E09
Classification of International Standard
13.100
Word Count Estimation
52,512
Date of Issue
10/15/2014
Date of Implementation
3/1/2015
Older Standard (superseded by this standard)
SY/T 6635-2005
Quoted Standard
GB/T 21246; GB/T 21447; GB/T 21448; SY/T 6553; SY/T 6653; SY/T 6714; ASTM B31.3; ASTM B31G; ASTM B16.5; ASTM B16.47
Adopted Standard
API RP 574-2009, MOD
Regulation (derived from)
State Energy Bureau Notice 2014 No. 11
Issuing agency(ies)
National Development and Reform Commission
Summary
This Standard specifies the use of the pipeline oil refineries and chemical plants, pipes, valves (except the control valve) and test methods pipe fittings and other piping systems, this standard does not include certain accessories such as instrumentatio
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