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GB/T 41315-2022: Safety shut-off valves for city gas transmission and distribution system
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 41315-2022 | English | 1739 |
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Safety shut-off valves for city gas transmission and distribution system
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GB/T 41315-2022
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PDF similar to GB/T 41315-2022
Standard similar to GB/T 41315-2022 GB 44016 GB/T 41319 GB 27790 GB/T 26002 Basic data | Standard ID | GB/T 41315-2022 (GB/T41315-2022) | | Description (Translated English) | Safety shut-off valves for city gas transmission and distribution system | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | P47 | | Word Count Estimation | 86,899 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 41315-2022: Safety shut-off valves for city gas transmission and distribution system---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.
Safety shut-off valves for city gas transmission and distribution system
ICS 91.140
CCSP47
National Standards of People's Republic of China
Safety shut-off valve for urban gas transmission and distribution system
Published on 2022-03-09
2022-10-01 Implementation
State Administration for Market Regulation
Released by the National Standardization Administration
directory
Preface III
1 Scope 1
2 Normative references 1
3 Terms, Definitions and Symbols 3
3.1 Terms and Definitions 3
3.2 Symbol 14
4 Classification, code and model 16
4.1 Classification 16
4.2 Code 16
4.3 Model 18
5 Structure and Materials 18
5.1 General requirements 18
5.2 Structure 20
5.3 Materials 27
6 Requirements 34
6.1 General requirements 34
6.2 SSD Shutoff Valve Requirements 35
6.3 ASD Shutoff Valve Requirements 39
7 Test methods 46
7.1 Test conditions and test equipment 46
7.2 SSD Shutoff Valve Test Method 47
7.3 ASD Shutoff Valve Test Method 56
8 Inspection rules 63
8.1 Inspection Classification 63
8.2 Inspection items 63
8.3 Factory inspection 65
8.4 Type inspection 65
8.5 Decision Rules 66
9 Quality certification documents, marking, packaging, transport and storage, installation and use instructions 66
9.1 Quality documentation 66
9.2 Flags 66
9.3 Packaging and transportation 68
9.4 Storage 68
9.5 Installation and Operating Instructions 68
Appendix A (Informative) Emission Limiters 70
Appendix B (normative) Physical and mechanical properties of rubber materials 73
Appendix C (normative) icing 74
Appendix D (Informative) Pressure Drop and Flow Coefficient 75
Appendix E (informative) Suitability of safety shut-off valves under wet operating conditions 77
Appendix F (Informative) Strength Calculation of Shells and Other Parts 78
Appendix G (Normative) Optional Test Methods for Confirming Strength of Shutoff Mechanisms, Valve Seats, and Closing Elements 80
Appendix H (Informative) Selection Equation 82
foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents"
drafted.
Please note that some content of this document may be patented. The issuing agency of this document assumes no responsibility for identifying patents.
This document is proposed and managed by the Ministry of Housing and Urban-Rural Development of the People's Republic of China.
This document is drafted by. China Municipal Engineering North China Design and Research Institute Co., Ltd., Fisher Jiuan Transmission and Distribution Equipment (Chengdu) Co., Ltd.
Company, Ouhao Photoelectric Control Technology (Shanghai) Co., Ltd., Shanghai Feiao Gas Equipment Co., Ltd., Jiangsu Chenggong Valve Technology Co., Ltd.,
Hefei Jiuhuan Water Supply and Drainage Gas Equipment Co., Ltd., Tris Energy Equipment Co., Ltd., Chengdu Lunci Instrument Co., Ltd., Hebei Rui
Star Gas Equipment Co., Ltd., Hebei Huixing Voltage Regulator Co., Ltd., Hebei Anxin Gas Equipment Co., Ltd., Wuxi Opuna Gas Turbine
Machinery Technology Co., Ltd., Tianjin Xinke Complete Instrument Co., Ltd., Jiangsu Kexin Gas Equipment Co., Ltd., Sichuan Changyi Oil and Gas Gathering and Transportation Equipment Co., Ltd.
Co., Ltd., Zhejiang Cangnan Instrument Group Dongxing Energy Technology Co., Ltd., Hebei Norinuo Gas Equipment Co., Ltd., Leshan Chuantian Gas
Transmission and Distribution Equipment Co., Ltd., Beijing Xinguangjin Gas Equipment Research Institute, Sichuan Zhongyou Leyi Energy Equipment Manufacturing Co., Ltd., Kunlun Energy
Co., Ltd., Shenzhen Gas Group Co., Ltd., Wuxi China Resources Gas Co., Ltd., Chongqing Jieshi Instrument Co., Ltd., Chongqing Naishi Valve
Door Co., Ltd., Chengdu Jason Transmission and Distribution Equipment Industry Co., Ltd., National Gas Appliance Quality Supervision and Inspection Center.
The main drafters of this document. Wang Honglin, Wang Qi, Huo Ping, Liao Yuan, Zhou Shijun, Feng Tao, Chang Baoping, Zheng Anli, Xiang Yong, Pei Wencai, Meng Xiangjun,
Meng Zhaoqing, Xu Yi, Sun Jianxun, Liu Hongliang, Wei Liankang, Ye Decai, Yang Changliang, Lan Jianqiang, Li Song, Peng Guojun, Liu Jinlan, Wang Wenxiang, Zhang Hongqin,
Mu Ning, Yang Biping, Wang Quan, Yue Ming.
Safety shut-off valve for urban gas transmission and distribution system
1 Scope
This document specifies the classification, code, model, and structure of gas safety shut-off valves (hereinafter referred to as "shut-off valves") used in urban gas transmission and distribution systems.
Structure and materials, requirements, test methods, inspection rules, quality certification documents, signs, packaging, transportation and storage, installation and use instructions.
This document is applicable to the maximum working pressure not greater than 10.0MPa, the nominal size not greater than 400mm, and the working temperature range of -20℃~
Safety shut-off valve for urban gas transmission and distribution system at 60°C.
2 Normative references
The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations
documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to
this document.
GB/T 150 (all parts) Pressure Vessels
GB/T 191 Graphical signs of packaging, storage and transportation
GB/T 223 (all parts) steel and alloy
GB/T 228.1 Tensile Test of Metallic Materials Part 1.Test Method at Room Temperature
GB/T 229 Charpy Pendulum Impact Test Method for Metallic Materials
GB/T 528 Determination of Tensile Stress-Strain Properties of Vulcanized Rubber or Thermoplastic Rubber
GB/T 531.1 Test method for indentation hardness of vulcanized or thermoplastic rubber - Part 1.Shore durometer method (Shore hardness)
GB/T 699 High Quality Carbon Structural Steel
GB/T 1047 Definition and Selection of Nominal Dimensions of Piping Components
GB/T 1048 Definition and Selection of Nominal Pressure of Pipeline Components
GB/T 1173 Cast aluminum alloy
GB/T 1220 stainless steel rod
GB/T 1239.2 Technical Conditions for Cold Rolled Cylindrical Coil Springs Part 2.Compression Springs
GB/T 1348 Ductile iron castings
GB/T 1591 Low Alloy High Strength Structural Steel
GB/T 1681 Determination of resilience of vulcanized rubber
GB/T 1682 Determination of low temperature brittleness of vulcanized rubber by single sample method
GB/T 1690 Vulcanized rubber or thermoplastic rubber liquid resistance test method
GB/T 2423.10 Environmental Testing Part 2.Test Methods Test Fc. Vibration (Sinusoidal)
GB/T 3077 Alloy Structural Steel
GB/T 3191 Aluminum and aluminum alloy extruded bars
GB/T 3280 Stainless Steel Cold Rolled Steel Plate and Strip
GB/T 3452.1 O-ring rubber seals for hydraulics and pneumatics - Part 1.Dimension series and tolerances
GB/T 3452.2 O-ring rubber seals for hydraulics and pneumatics - Part 2.Specification for appearance quality inspection
GB/T 3512 Vulcanized rubber or thermoplastic rubber hot air accelerated aging and heat resistance test
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