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CJ/T 394-2018 English PDF

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CJ/T 394-2018: Electro-magnetic emergency shut-off valve for gas
Status: Valid

CJ/T 394: Historical versions

Standard IDUSDBUY PDFLead-DaysStandard Title (Description)Status
CJ/T 394-2018629 Add to Cart 5 days Electro-magnetic emergency shut-off valve for gas Valid
CJ/T 394-2012RFQ ASK 5 days Electro-magnetic emergency shut-off valve for gas Obsolete

Similar standards

GB 27790   GB 25035   CJ/T 112   CJ/T 524   CJ/T 514   CJ/T 385   

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Older Standard (superseded by this standard): CJ/T 394-2012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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