GB/T 35208-2017 English PDF

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GB/T 35208-2017: Self-closing valves for LPG cylinders
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 35208-2017	439	Add to Cart	4 days	Self-closing valves for LPG cylinders	Valid

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Basic data

Standard ID: GB/T 35208-2017 (GB/T35208-2017)
Description (Translated English): Self-closing valves for LPG cylinders
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J74
Classification of International Standard: 23.020.30
Word Count Estimation: 22,225
Date of Issue: 2017-12-29
Date of Implementation: 2018-07-01
Regulation (derived from): National Standards Bulletin 2017 No. 32
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

GB/T 35208-2017: Self-closing valves for LPG cylinders

---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.
Self-closing valves for LPG cylinders ICS 23.020.30 J74 National Standards of People's Republic of China Self-closing LPG cylinder valve (ISO 14245.2006, Gascylinders-Specifications and testing of LPG cylindervalves-Self-closing, NEQ) 2017-12-29 Posted 2018-07-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released Directory Foreword Ⅲ 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 Valve model means Method 2 5 structure type and basic size 2 6 technical requirements 4 6.1 Material Requirements 4 6.2 Process Requirements 5 6.3 Performance Requirements 5 6.4 Use Period 6 7 inspection and test methods 6 7.1 General Tests 6 7.2 Mechanical properties of valve metal materials, chemical composition analysis methods 7 7.3 Non-metallic seal material performance test 7 7.4 Dimensional Inspection 7 7.5 Visual inspection 8 7.6 Inlet thread check 8 7.7 Quality Inspection 8 7.8 Body pressure test 8 7.9 Tightness test 8 7.10 Closure test 8 7.11 Opening and closing test 8 7.12 spool torque test 8 7.13 vibration test 8 7.14 stress corrosion resistance test valve 9 7.15 anti-aging test 9 7.16 durability test 9 7.17 temperature resistance test 9 7.18 vacuum test 9 7.19 Disassembly Inspection 9 8 Inspection rules 9 8.1 Material Inspection 9 8.2 factory inspection 10 8.3 Type test 10 8.4 Test Items 10 9 logo, packaging, storage and transportation 11 9.1 mark 11 9.2 Packaging 11 9.3 Storage and Transportation 12 Appendix A (informative) quick connect connector connection type and size 13 References 15

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard uses redrafted law reference ISO 14245.2006 "cylinder liquefied petroleum gas cylinder valve technical requirements and test autism Style ", the degree of consistency with ISO 14245-2006 is not equivalent. Please note that some of this document may be patentable. The issuing agencies of this document do not bear the responsibility of identifying these patents. This standard by the National Gas Cylinder Standardization Technical Committee (SAC/TC31) and focal point. This standard was drafted unit. Shanghai Special Equipment Supervision and Inspection Institute of Technology, Shanghai Yong Chin Machinery Electric Co., Ltd., China City burning Gas Association liquefied petroleum gas cylinders Professional Committee, Ningbo Jia Jia Valve Co., Ltd., Zhejiang Ming Shixing new HVAC Technology Co., Ltd., Yangzhou Anyi Valve Co., Ltd. The main drafters of this standard.Li Qian, Li Bin, Sun Li, Guo Xiaochun, Xu Xinnong, Xu Diqing, Gao Deming, Wang Qian You. Self-closing LPG cylinder valve

1 Scope

This standard specifies the terms and definitions of self-closing liquefied petroleum gas cylinder valve (hereinafter referred to as "valve"), the valve model that the method, structure type And the basic size, technical requirements, inspection and test methods, inspection rules, signs, packaging, storage and transportation. This standard applies to the use of ambient temperature is -40 ℃ ~ 60 ℃, nominal working pressure is not greater than 2.5MPa, the applicable media GB 11174 liquefied petroleum gas cylinders on the self-closing bottle valve. This standard does not apply to car liquefied petroleum gas cylinder valve. Note. The pressure in this standard refers to the gauge pressure.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 228.1 tensile testing of metallic materials - Part 1. room temperature test method GB/T 1184 shape and location tolerances are not tolerance values GB/T 1239.2 Cold rolled cylindrical coil springs - Part 2. Compression springs GB/T 1804 General tolerances Tolerances for linear and angular dimensions without tolerances GB/T 4423 copper and copper alloy rod GB/T 5121.1 Methods for chemical analysis of copper and copper alloys - Part 1. Determination of copper content GB/T 5121.3 Methods for chemical analysis of copper and copper alloys - Part 3. Determination of lead content GB/T 5121.9 Methods for chemical analysis of copper and copper alloys - Part 9. Determination of iron content GB/T 5720 O-ring rubber test methods GB/T 8335 cylinder special thread GB/T 8336 cylinders for thread gauges GB/T 10567.2 copper and copper alloy processing materials residual stress test method ammonia smoked test method GB/T 13005 gas bottle terminology

3 Terms and definitions

GB/T 13005 and defined by the following terms and definitions apply to this document. 3.1 Protective cap/dust cap protectioncap/dustcap Installed in the valve outlet, to prevent foreign objects into the protective valve outlet device. 3.2 Opening and closing mechanism valveoperatingmechanism Is designed to be able to be opened by the thimble when the pressure reducer, filling gun, connector assembly, when the pressure reducer, inflatable gun, the connector is removed, the valve A mechanism that automatically closes and maintains a sealed condition. ......

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