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GB/T 40011-2021 English PDF

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GB/T 40011-2021: Pilot safety valve for cryogenic fluid service
Status: Valid

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
GB/T 40011-2021	English	209	Add to Cart	3 days [Need to translate]	Pilot safety valve for cryogenic fluid service	Valid	GB/T 40011-2021

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Basic data

Standard ID	GB/T 40011-2021 (GB/T40011-2021)
Description (Translated English)	Pilot safety valve for cryogenic fluid service
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	J16
Word Count Estimation	11,130
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration

GB/T 40011-2021: Pilot safety valve for cryogenic fluid service

---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.
Pilot safety valve for cryogenic fluid service ICS 13.240 J16 National Standards of People's Republic of China Cryogenic pilot operated safety valve Released on 2021-04-30 2021-11-01 implementation State Administration of Market Supervision and Administration Issued by the National Standardization Management Committee

Foreword Ⅲ 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 Technical requirements 1 4.1 Structure 1 4.2 Design requirements 2 4.3 Material 3 4.4 Non-destructive testing 3 4.5 Degreasing treatment 3 4.6 Performance 4 5 Test method 4 5.1 Room temperature test 4 5.2 Low temperature test 4 5.3 Sealing test after returning to normal temperature 6 6 Inspection requirements 6 6.1 Inspection items and technical requirements 6 6.2 Factory inspection and lead sealing 6 6.3 Type test 7 7 Sign 7 7.1 Marking on the main valve body 7 7.2 Marking on the valve body of the pilot valve 7 7.3 Marking on the nameplate 7 8 Packaging, transportation and storage 7 8.1 Packaging 7 8.2 Transportation 8 8.3 Storage 8

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed by the China Machinery Industry Federation. This standard is under the jurisdiction of the National Standardization Technical Committee for Safety Relief Devices (SAC/TC503). Drafting organizations of this standard. Hefei General Machinery Research Institute Co., Ltd., Beijing Aerospace Propulsion Research Institute, Beijing Aerospace Petrochemical Technology and Equipment Engineer Cheng Co., Ltd., Hangzhou Hangyang Tooling Pump Valve Co., Ltd., Yangzhong Valve Factory Co., Ltd., Jiangsu Suyan Valve Machinery Co., Ltd., Tianzheng Valve Door Co., Ltd., Xuzhou Bafang Safety Equipment Co., Ltd., Luofu Valve Group Co., Ltd., Keke Group Co., Ltd., Kairuite Valve Industry Co., Ltd. the company. The main drafters of this standard. Wang Xiaojun, Wu Yuzhen, Chen Dianjing, Tang Xuli, Hu Yun, Chen Jinlong, Han Zhenghai, Zhang Junce, Liu Lili, Ge Chenxin, Ge Jincun, Li Yunlong. Cryogenic pilot operated safety valve

1 Scope

This standard specifies the terms and definitions, technical requirements, test methods, and inspection requirements of low-temperature pilot-operated safety valves (hereinafter referred to as safety valves). Marking, packaging, transportation and storage. This standard applies to the nominal pressure less than or equal to PN100, the nominal size less than or equal to DN500, and the working temperature is not lower than Pilot-operated safety valve for low-temperature vaporized gas medium with a minimum set pressure of 0.1MPa at -196°C. The pilot-operated safety valve for the low-temperature vaporized gas medium with the set pressure of 0.06MPa~0.1MPa can be used as a reference.

2 Normative references

The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article Pieces. For undated reference documents, the latest version (including all amendments) is applicable to this document. GB/T 150.4 Pressure Vessel Part 4.Manufacturing, Inspection and Acceptance GB/T 12225 General Valve Copper Alloy Casting Technical Conditions GB/T 12241 General requirements for safety valves GB/T 12242 Specification for Performance Test of Pressure Relief Device GB/T 28778 Pilot operated safety valve JB/T 7248 Technical Conditions of Low Temperature Steel Castings for Valves HG20202 degreasing engineering construction and acceptance specification NB/T 47013.2-2015 Non-destructive testing of pressure equipment Part 2.Radiographic testing NB/T 47013.3-2015 Non-destructive testing of pressure equipment Part 3.Ultrasonic testing NB/T 47013.5-2015 Non-destructive testing of pressure equipment Part 5.Penetration testing

3 Terms and definitions

The terms and definitions defined in GB/T 12241, GB/T 12242 and GB/T 28778 apply to this document.

4 Technical requirements

4.1 Structure The composition diagram of the low-temperature pilot-operated safety valve is shown in Figure 1.

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