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CJ/T 394-2018: Electro-magnetic emergency shut-off valve for gas
Status: Valid CJ/T 394: Evolution and historical versions
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| CJ/T 394-2018 | English | 629 |
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Electro-magnetic emergency shut-off valve for gas
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CJ/T 394-2018
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| CJ/T 394-2012 | English | RFQ |
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Electro-magnetic emergency shut-off valve for gas
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PDF similar to CJ/T 394-2018
Basic data | Standard ID | CJ/T 394-2018 (CJ/T394-2018) | | Description (Translated English) | Electro-magnetic emergency shut-off valve for gas | | Sector / Industry | Urban Construction Industry Standard (Recommended) | | Classification of Chinese Standard | P47 | | Classification of International Standard | 91.140 | | Word Count Estimation | 27,228 | | Date of Issue | 2018-03-08 | | Date of Implementation | 2018-10-01 | | Older Standard (superseded by this standard) | CJ/T 394-2012 | | Quoted Standard | GB/T 699; GB/T 700; GB/T 1173; GB/T 1220; GB/T 1239.2; GB/T 1348; GB/T 1591; GB/T 1690; GB/T 3191; GB/T 3452.1; GB/T 3452.2; GB/T 4208; GB/T 4423; GB/T 5013.1; GB/T 5023.1; GB/T 7306.1; GB/T 7306.2; GB/T 9113; GB/T 9440; GB 10009; GB/T 12220; GB/T 12221 | | Regulation (derived from) | The Ministry of Housing and Urban-Rural Development Announcement No. 1864 of 2018 | | Issuing agency(ies) | Ministry of Housing and Urban-Rural Development of the People's Republic of China | CJ/T 394-2018: Electro-magnetic emergency shut-off valve for gas---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.
Electro-magnetic emergency shut-off valve for gas
ICS 91.140
P47
People's Republic of China urban construction industry standards
Replacing CJ/T 394-2012
Electromagnetic gas emergency shut-off valve
Published on.2018-03-08
2018-10-01 implementation
Ministry of Housing and Urban-Rural Development
Content
Foreword III
1 Scope 1
2 Normative references 1
3 Terms and Definitions 2
4 Classification and Model 2
4.1 Classification 2
4.2 Model 3
5 Materials and Structures 3
5.1 Material 3
5.2 Structure 4
6 Requirements 6
6.1 General requirements 6
6.2 Appearance 6
6.3 Pressure bearing strength 7
6.4 Outer seal 7
6.5 inner seal 7
6.6 rated flow 7
6.7 Emergency cut-off performance 7
6.8 Torque resistance performance 8
6.9 Bending resistance 8
6.10 Impact resistance 8
6.11 Durability 8
6.12 Durability 9
6.13 Valve position indicator switch 9
6.14 Electrical Safety 9
6.15 Explosion-proof performance (Ex) 9
6.16 Protection Performance (IP) 9
6.17 Non-metallic materials with gas resistance 9
7 Test method 9
7.1 Test conditions 9
7.2 Visual inspection 10
7.3 Pressure bearing strength test 10
7.4 Outer seal test 11
7.5 Inner seal test 11
7.6 Rated flow test 11
7.7 Emergency cut-off performance test 11
7.8 Torque resistance performance test 11
7.9 Bending resistance test 12
7.10 Impact resistance test 13
7.11 Durability test 13
7.12 Durability test 13
7.13 Valve position indication switch test 14
7.14 Electrical Safety Test 14
7.15 Explosion-proof performance test 14
7.16 Protective performance test 14
7.17 Non-metallic materials gas resistance test 14
8 Inspection rules 14
8.1 Inspection item 14
8.2 Factory inspection 15
8.3 Type test 15
9 logo and instruction manual 16
9.1 Mark 16
9.2 User Manual 16
10 Packaging, transport and storage 17
10.1 Packing 17
10.2 Transportation 17
10.3 Storage 17
Appendix A (Normative) Non-metallic materials for gas resistance 18
Appendix B (Normative) Technical requirements for non-explosion-proof electromagnetic coils 19
Appendix C (informative) Rubber parts storage requirements 23
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard replaces CJ/T 394-2012 "Electromagnetic gas emergency shut-off valve". Major technical changes compared to CJ/T 394-2012
as follows.
--- Added terminology and definitions (see Chapter 3, Chapter 4, Chapter 3, Chapter 4 of the.2012 edition);
--- Modified classification and model preparation (see 4,.2012 edition 4);
---Modified structure, materials and connections (see 5.1, 5.2, 5.3 of 5.1, 5.2,.2012);
--- Modified the leakage of external air tightness (see 6.4, 6.3 of.2012 edition);
--- Added provisions for the rated flow rate of different caliber emergency shut-off valves (see 6.6);
--- Revised the rated flow requirements and test methods (see 6.6, 7.5, 6.5, 7.5 of the.2012 version);
--- Modified emergency cutoff performance requirements and test methods (see 6.7, 6.8, 7.7, 7.8 of 6.7, 7.7,.2012 editions);
--- Modified torque and bending requirements and test methods (see 6.8, 6.9, 7.8, 7.9,.2012, 6.4, 7.4);
--- Revised the durability requirements and test methods (see 6.11, 7.11,.2012 version 6.11, 7.11);
--- Modified the position and switch requirements and test methods for the closed position indication (see 6.10, 7.13, 6.10, 7.10 of the.2012 version);
--- Revised the requirements and test methods for explosion-proof performance (see 6.15, 7.15, 6.14, 7.14 of.2012 edition);
--- Revised the requirements and test methods for durability (see 6.17, 7.17,.2012, 6.6, 7.6);
--- Increased anti-explosion test requirements and test methods for non-explosion-proof structures (see Appendix B);
--- Removed component requirements (see 6.2 of.2012 edition);
--- Removed the label durability requirements and test methods (see 6.6.2 of.2012 edition, 7.6.2 of.2012 edition);
--- Removed the scratch resistance requirements and test methods (see 6.6.3 of.2012 edition, 7.6.3 of.2012 edition);
--- Removed moisture resistance requirements and test methods (see 6.6.4 of.2012 edition, 7.6.4 of.2012 edition);
--- Removed the airtightness requirements and test methods (see 6.9, 7.9 of the.2012 edition);
--- Removed electromagnetic compatibility (EMC) requirements (see 6.16 of.2012 edition);
--- Removed the energy storage module and related description (see Appendix A of the.2012 edition).
This standard was proposed by the Institute of Standardization of the Ministry of Housing and Urban-Rural Development.
This standard is under the jurisdiction of the Gas Standardization Technical Committee of the Ministry of Housing and Urban-Rural Development.
This standard was drafted. China City Gas Association, Tianjin Puhai New Technology Co., Ltd., Beijing Yanshan Industrial Gas Equipment Limited
Company, Zhejiang Handem Valve Co., Ltd., Shenyang Gas Co., Ltd., Zhejiang Xinqi Pipe Industry Co., Ltd., Hebei Qinhan Electronic Technology Co., Ltd.
Division, Jinan Lanxin Electronic Equipment Co., Ltd., Hebei Haoyuan Electronic Equipment Co., Ltd., Shehong Xuntebo Electronic Technology Co., Ltd., Chongqing Nishi
Valve Co., Ltd., Ningbo Huacheng Valve Co., Ltd., Chengdu Xinhouse Electronic Detection Technology Co., Ltd., Guangzhou Rongxin Thermal Energy Equipment Co., Ltd.
Division, Ningbo Zhiqing Industrial Co., Ltd., Mianyang Huatong Magnetic Parts Technology Co., Ltd.
The main drafters of this standard. Chi Guojing, Niu Jun, Qiao Bin, Li Wanli, Zhang Lihong, Huang Chenbao, Liu Zhonghua, Xu Bo, Li Changli, Shen Qijie,
Yang Biping, Wang Chaoyang, Cai Haijun, Zheng Xuhui, Chen Zhiqing, Chen Wenbo, Kong Xiangna, Ding Shulan.
The previous versions of the standards replaced by this standard are.
---CJ/T 394-2012.
Electromagnetic gas emergency shut-off valve
1 Scope
This standard specifies the terms and definitions, classification and models, materials and structures of electromagnetic gas emergency shut-off valves (hereinafter referred to as shut-off valves).
Requirements, test methods, inspection rules, signs and instructions for use, packaging, transportation and storage.
This standard applies to the maximum working pressure is not more than 0.4MPa, the nominal size is not more than DN300, the working temperature range is -20 °C ~ 60 °C,
Electromagnetic gas emergency shut-off valve driven by electromagnetic force in conjunction with the town gas safety control system.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 699 high quality carbon structural steel
GB/T 700 carbon structural steel
GB/T 1173 cast aluminum alloy
GB/T 1220 stainless steel rod
GB/T 1239.2 Technical requirements for cold coiled cylindrical springs - Part 2
GB/T 1348 ductile iron castings
GB/T 1591 low alloy high strength structural steel
GB/T 1690 vulcanized rubber or thermoplastic rubber liquid test method
GB/T 3191 aluminum and aluminum alloy extruded bar
GB/T 3452.1 Hydraulic and pneumatic О-shaped rubber seals - Part 1. Dimension series and tolerances
GB/T 3452.2 Hydraulic and pneumatic О-type rubber seals - Part 2.
GB 3836 (all parts) Explosive environment
GB/T 4208 enclosure protection grade (IP code)
GB/T 4423 copper and copper alloy rods
GB/T 5013.1 Rubber insulated cables of rated voltages up to and including 450 750 s. Part 1. General requirements
GB/T 5023.1 PVC insulated cables of rated voltages up to and including s
GB/T 7306.1 55° sealed pipe threads - Part 1. Cylindrical internal and conical external threads
GB/T 7306.2 55° sealed pipe threads Part 2. Conical internal and conical external threads
GB/T 9113 integral steel pipe flange
GB/T 9440 malleable iron castings
GB 10009 Acrylonitrile-butadiene-styrene (ABS) plastic extruded sheet
GB/T 12220 industrial valve sign
GB/T 12221 metal valve structure length
GB/T 12225 general valve copper alloy casting technical conditions
GB/T 12227 general valve ductile iron casting technical conditions
GB/T 12229 general valve carbon steel casting technical conditions
GB/T 12230 general valve stainless steel casting technical conditions
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