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Database: 189760 (1 Nov 2025)
SY/T 6746-2008 English PDF
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SY/T 6746-2008
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Specification for fire test for valves with automatic backseats
Obsolete
SY/T 6746-2008
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Basic data
Standard ID
SY/T 6746-2008 (SY/T6746-2008)
Description (Translated English)
Specification for fire test for valves with automatic backseats
Sector / Industry
Oil & Gas Industry Standard (Recommended)
Classification of Chinese Standard
E92
Classification of International Standard
75.180.01
Word Count Estimation
12,165
Date of Issue
2008-06-16
Date of Implementation
2008-12-01
Adopted Standard
API SPEC 6FC-1999, IDT
Regulation (derived from)
NDRC Notice No. 44 of 2008
Issuing agency(ies)
National Development and Reform Commission
Summary
This standard specifies the conditions in the combustion SY/T 5127-2002 and GB/T 20173-2006 pour forth sealing valve pressure performance requirements. This standard does not include end connections. This standard valve for manual or automatic valves. This standard specifies the dimensions of each inverted sealing valve or pressure level acceptance criteria. This standard specifies the combustion in the combustion test after 30min, inverted sealing valve (hereinafter referred to as valve) replacement stuffing box leakage after internal or external leakage acceptance criteria. Most of the combustion flame is extinguished futures until the maximum time required. Typically, the actual burning fire test duration longer time than expected.
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