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GB/T 26480-2011: Valve inspection and testing
Status: Valid
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| GB/T 26480-2011 | English | 299 |
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Valve inspection and testing
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GB/T 26480-2011
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Basic data | Standard ID | GB/T 26480-2011 (GB/T26480-2011) | | Description (Translated English) | Valve inspection and testing | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J16 | | Classification of International Standard | 23.060.01 | | Word Count Estimation | 13,147 | | Date of Issue | 2011-05-12 | | Date of Implementation | 2011-10-01 | | Quoted Standard | GB/T 12224; JB/T 7927 | | Adopted Standard | API 598-2009, MOD | | Regulation (derived from) | Announcement of Newly Approved National Standards No. 6 of 2011 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the petroleum, petrochemical and allied industries valve inspection and testing of the terms and definitions, inspection, testing and supplement testing, pressure testing, test results, the pressure test method, a certificate of the valve and re- test. This standard applies to metals and metal consisting of metal sealing, metal and non-metallic elastic material elastic sealing, non-metallic and non-metallic materials consisting of non-metallic sealing gate valve, globe valves, plug valves, ball valves, non-return valves and butterfly valves inspection and pressure testing. The consent of both parties, is also applicable to other types of valves. This standard test items include: visual inspection of castings, shell test, seal test, low pressure seal test, pressure seal test, dual truncated and emissions seal test, pressure gas shell test. | GB/T 26480-2011: Valve inspection and testing---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Valve inspection and testing
ICS 23.060.01
J16
National Standards of People's Republic of China
Valve inspection and testing
Issued on. 2011-05-12
2011-10-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Table of Contents
Introduction Ⅲ
1 Scope 1
2 Normative references 1
3 Terms 1
4 inspection, testing and supplementary test 2
4.1 Check the valve factory 2
4.2 Check valve manufacturer outside 2
4.3 check notification 2
Check the range 2 4.4
4.5 Test 2
4.6 Supplementary examination 2
5 Pressure Test 2
5.1 Test Location 2
5.2 Test equipment 2
5.3 Test Requirements 3
5.4 Test pressure 4
5.5 Test duration 5
6 Test Results 5
6.1 Shell test, valve stem seals and seal test 5
Seal test 6.2 5
7 Pressure Test Method 6
7.1 General requirements 6
7.2 Shell test 6
7.3 6 seal test
7.4 low pressure seal test 6
7.5 high-pressure sealing test 7
7.6 pairs of high voltage test and discharge cut-off valve 7
8 certificate and re-test the valve 7
8.1 clearances 7
8.2 Re-test 7
Appendix A (informative) This standard API598.2009 reg number table 8
Annex B (informative) This standard API598.2009 technical differences and their causes 9
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
This revised standard adopts API598.2009 "valve inspection and testing" standard. Were less in the order and arrangement in accordance with our customary
The amount of change. Listed in Appendix A of this standard and API598.2009 reg number control list. Appendix B lists with this standard
API598.2009 list differences.
The standard proposed by China Machinery Industry Federation.
The standard valve by the National Standardization Technical Committee (SAC/TC188) centralized.
This standard was drafted. Hefei General Machinery Products Inspection Institute, Hefei General Machinery Research Institute, Paul Group Co., Ltd..
The main drafters of this standard. Wang Xiaojun, Liu Xiaochun, Songzhong Rong, Zhang Xiaozhong.
Valve inspection and testing
1 Scope
This standard specifies the petroleum, petrochemical and related industries with terms and definitions valve inspection, test, inspection, testing and supplementary test pressure
Test, test result, the pressure test methods, certificates valves and re-test.
This standard applies elastic sealing and metal to metal sealing metal, metal and non-metallic elastic material consisting of non-metallic and
Non-metallic sealing material composed of non-metallic valve, globe valve, plug valves, ball valves, check valves and butterfly valves inspection and pressure test.
Consent by both sides, it is also applicable to other types of valves.
The standard test items include.
--- Castings visual inspection;
--- Shell test;
--- Seal test;
--- Low pressure seal test;
--- High-pressure sealing test;
--- Double cut-off and sealing emission test;
--- High-pressure gas shell test.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 12224 steel valves - General requirements (GB/T 12224-2005, ASTMB16.34a.1998, NEQ)
JB/T 7927 valve castings appearance quality requirements
3 Terms
The following terms and definitions apply to this document.
3.1
Elastic sealing resilientseal
Soft sealing, solid and semi-solid grease class consisting of sealing (eg Seal plug), soft seal and metal seal sealing composition
Vice-like.
3.2
Way seal unidirectionalseal
After the valve is closed, and the pressure medium enters from one end of the valve, the valve seal pair can remain sealed structure.
3.3
Way seal bidirectionalseal
No matter what medium enters from the opposite ends of the valve, the valve closed, the valve seal pair can remain sealed.
3.4
Double cut-off and discharge valve doubleblockandbleedvalve
In the closed position of the valve has two sealing fluid medium from entering the two ports, two sealing valve can remain sealed, and
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