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GB/T 45161-2024   Technical specification of safety valves for liquid hydrogen vessels (English Version)
Standard No.: GB/T 45161-2024 Status:to be valid remind me the status change

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Language:English File Format:PDF
Word Count: 12500 words Price(USD):375.0 remind me the price change

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Standard No.: GB/T 45161-2024
English Name: Technical specification of safety valves for liquid hydrogen vessels
Chinese Name: 液氢容器用安全阀技术规范
Professional Classification: GB    National Standard
Issued by: SAMR; SAC
Issued on: 2024-12-31
Implemented on: 2025-7-1
Status: to be valid
Language: English
File Format: PDF
Word Count: 12500 words
Price(USD): 375.0
Delivery: via email in 1 business day
GB/T 45161-2024 Technical specification of safety valves for liquid hydrogen vessels 1 Scope This document specifies technical requirements, test methods, inspection rules, marking, painting, packaging, transportation and storage of safety valves for liquid hydrogen vessels. This document is applicable to safety valves for liquid hydrogen vessels with nominal size not greater than DN200, setting pressure not less than 0.1MPa, temperature not less than -254℃, and single phase liquid hydrogen evaporating gas as the medium (including spring direct load safety valves and pilot operated safety valves). 2 Normative references The following documents contain requirements which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 229 Metallic materials - Charpy pendulum impact test method GB/T 12224 General requirements for industrial steel valves GB/T 12241 Safety valves - General requirements GB/T 12242 Pressure relief devices - Performance test code GB/T 12243 Spring loaded safety valves GB/T 13305 Method for determining content of the α-phase in stainless steels GB/T 22652 Overlaying-welding procedure qualification for valves sealing face GB/T 24499 Technology glossary for gaseous hydrogen, hydrogen energy and hydrogen energy system GB/T 24921.1 Sizing, selection and installation of pressure relieving valves for petrochemical industries - Part 1: Sizing and selection GB/T 26481 Industrial valves test for fugitive emissions GB/T 26640 Specification for minimal thickness of the shell of valves GB/T 28778 Pilot operated safety valves GB/T 29026 Spring loaded safety valve for cryogenic service GB/T 40011 Pilot safety valve for cryogenic fluid service GB/T 40060 Technical requirements for storage and transportation of liquid hydrogen GB/T 40079 Classification system and qualification procedures for fugitive emission type testing of valves HG 20202 Code for construction and acceptance of degreasing project JB/T 6440 Methods of radiographic examination for steel castings valves JB/T 6440-2008 Methods of radiographic examination for steel castings valves JB/T 6903 Methods for ultrasonic examination of steel gorgings for valves JB/T 6903-2008 Methods for ultrasonic examination of steel gorgings for valves JB/T 7248 Technical specification for low temperature service steel casting for valves JB/T 7927-2014 Valve cast steel visual quality requirements JB/T 7928 Industrial valves - Delivery specification NB/T 47013.2 Nondestructive testing of pressure equipments - Part 2: Radiographic testing NB/T 47013.2-2015 Non-destructive testing of pressure equipments - Part 2: Radiographic testing NB/T 47013.5 Nondestructive testing of pressure equipments - Part 5: Penetrant testing NB/T 47013.5-2015 Nondestructive testing of pressure equipments - Part 5: Penetrant testing NB/T 47014 Welding procedure qualification for pressure equipment 3 Terms and definitions For the purposes of this document, the terms and definitions given in GB/T 12241, GB/T 12242, GB/T 12243, GB/T 24499, GB/T 28778 and the following apply. 3.1 hydrostatic strength test test of rupture resistance of pressure shell at normal temperature, specified liquid pressure and specified time 3.2 design pressure allowable maximum pressure of the pressure-bearing parts of the safety valve for liquid hydrogen vessels at normal temperature specified in the design 3.3 cryogenic treatment treatment process of immerse the parts in a vessel that is not higher than the temperature of liquid nitrogen for cooling until their temperature is stable, then maintain such temperature for 2h to 6h, and then take them out to return to room temperature naturally 3.4 valve category A safety valve that may be discharged during the normal operation of the liquid hydrogen vessel without automatic control valve or discharge valve 3.5 valve category B safety valve that does not discharge during the normal operation of the liquid hydrogen vessel with automatic control valve or discharge valve 4 Technical requirements 4.1 General requirements 4.1.1 Safety valves for liquid hydrogen vessels (hereinafter referred to as safety valves) shall meet the requirements of GB/T 12241, GB/T12243, GB/T 28778, GB/T 29026 and GB/T40011, in addition to the requirements of this document. 4.1.2 The determination of design pressure of safety valves shall meet the requirements of GB/T 12224. When the pressure-temperature rating of some materials with elastic sealing structure or internal parts is lower than the pressure-temperature rating of the body material, the design pressure shall be determined with the lower value. 4.1.3 The end connection of safety valves shall meet the requirements of GB/T 12241. If the purchaser has special requirements, the safety valves can be designed and manufactured according to the purchase technical agreement under the condition of ensuring the performance and safety of the safety valves. 4.1.4 Before assembly, all parts shall be cleaned, degreased and dried according to the methods specified in HG 20202, and the results shall meet the requirements of HG 20202. 4.2 Design requirements 4.2.1 Temperature adaptability Within the predetermined pressure range, the safety valve shall be able to work normally between the required minimum temperature and 65°C. 4.2.2 Setting pressure The setting pressure of safety valve shall be less than or equal to the difference between its design pressure and the excess pressure (setting pressure ≤ design pressure - excess pressure), and should not exceed the specified values of Annexes B and C of GB/T 24920-2010. 4.2.3 Safety valve shell 4.2.3.1 The safety valve shall be designed to discharge liquid to avoid the accumulation of liquid in the valve. Except as otherwise specified in the technical purchase agreement. 4.2.3.2 The safety valve shell shall have sufficient strength to ensure that no harmful deformation occurs under strength test and working conditions. It can withstand the stress caused by the change of medium pressure and temperature for a long time, the additional stress generated by the connecting pipe, and the total load of combined stress generated under the operating conditions. 4.2.3.3 When the safety valve is discharged, avoid the accumulation of solid matter in the valve body or at the outlet and cause failure due to the decrease of temperature. 4.2.3.4 Shell thickness shall meet the requirements of GB/T 26640.
Contents Foreword 1 Scope 2 Normative references 3 Terms and definitions 4 Technical requirements 4.1 General requirements 4.2 Design requirements 4.3 Performance requirements 4.4 Materials 4.5 Non-destructive inspection 5 Test methods 5.1 Safety instruction 5.2 Marking Inspection 5.3 Dimension inspection of shell 5.4 Chemical composition of material 5.5 Mechanical properties of material 5.6 Normal temperature performance test 5.7 Low temperature performance test of liquid hydrogen 5.8 Anti-static test 5.9 Cleanliness inspection 5.10 Vibration and impact tests 5.11 Non-destructive inspection 6 Inspection rules 6.1 Inspection items 6.2 Delivery inspection 6.3 Type testing 7 Marking 7.1 General 7.2 Body marking 7.3 Nameplate marking 8 Painting, packaging, transportation and storage Annex A (Informative) Working conditions for calculation of runner size and rated displacement Annex B (Informative) Designations of metal materials for main parts of valves Bibliography
Referred in GB/T 45161-2024:
*GB/T 229-2020 Metallic materials—Charpy pendulum impact test method
*GB/T 12224-2015 General requirements for industrial steel valves
*GB/T 12241-2021 Safety valves—General requirements
*GB/T 12242-2021 Pressure relief devices—Performance test code
*GB/T 12243-2021 Spring loaded safety valves
*GB/T 13305-2024 Method for determining content of the α-phase in stainless steels
*GB/T 22652-2019 Overlaying-welding procedure qualification for valves sealing face
*GB/T 24499-2009 Technology glossary for gaseous hydrogen,hydrogen energy and hydrogen energy system
*GB/T 24921.1-2010 Sizing,selection and installation of pressure relieving valves for petrochemical industries—Part 1:Sizing and selection
*GB/T 26481-2022 Industrial valves test for fugitive emissions
*GBT26640-
*GB/T 28778-2023 Pilot operated safety valves
*GB/T 29026-2012 Spring loaded safety valve for cryogenic service
*GB/T 40011-2021 Pilot safety valve for cryogenic fluid service
*GB/T 40060-2021 Technical requirements for storage and transportation of liquid hydrogen
*GB/T 40079-2021 Classification system and qualification procedures for fugitive emission type testing of valves
*HG 20202-2014 Code for construction and acceptance of degreasing project
*JB/T 6440-2008 Methods of radiographic examination for steel castings valves
*JB/T 6440-2008 Methods of radiographic examination for steel castings valves
*JB/T 6903-2008 Methods for ultrasonic examination of steel gorgings for valves
*JB/T 6903-2008 Methods for ultrasonic examination of steel gorgings for valves
*JB/T 7248-2024 Technical specification for low temperature service steel casting for valves
*JB/T 7927-2014 Valve Cast Steel Visual Quality Requirements
*JB/T 7928-2014 Industrial valves - Delivery specification
*NB/T 47013.2-2015/XG1-2018 Nondestructive testing of pressure equipments Part 2:Radiographic testing, includes Amendment 1
*NB/T 47013.2-2015/XG1-2018 Nondestructive testing of pressure equipments Part 2:Radiographic testing, includes Amendment 1
*NB/T 47013.5-2015 Nondestructive testing of pressure equipments Part 5: Penetrant testing
*NB/T 47013.5-2015 Nondestructive testing of pressure equipments Part 5: Penetrant testing
*NB/T 47014-2023 Welding procedure qualification for pressure equipment
Code of China
Standard
GB/T 45161-2024  Technical specification of safety valves for liquid hydrogen vessels (English Version)
Standard No.GB/T 45161-2024
Statusto be valid
LanguageEnglish
File FormatPDF
Word Count12500 words
Price(USD)375.0
Implemented on2025-7-1
Deliveryvia email in 1 business day
Detail of GB/T 45161-2024
Standard No.
GB/T 45161-2024
English Name
Technical specification of safety valves for liquid hydrogen vessels
Chinese Name
液氢容器用安全阀技术规范
Chinese Classification
Professional Classification
GB
ICS Classification
Issued by
SAMR; SAC
Issued on
2024-12-31
Implemented on
2025-7-1
Status
to be valid
Superseded by
Superseded on
Abolished on
Superseding
Language
English
File Format
PDF
Word Count
12500 words
Price(USD)
375.0
Keywords
GB/T 45161-2024, GB 45161-2024, GBT 45161-2024, GB/T45161-2024, GB/T 45161, GB/T45161, GB45161-2024, GB 45161, GB45161, GBT45161-2024, GBT 45161, GBT45161
Introduction of GB/T 45161-2024
GB/T 45161-2024 Technical specification of safety valves for liquid hydrogen vessels 1 Scope This document specifies technical requirements, test methods, inspection rules, marking, painting, packaging, transportation and storage of safety valves for liquid hydrogen vessels. This document is applicable to safety valves for liquid hydrogen vessels with nominal size not greater than DN200, setting pressure not less than 0.1MPa, temperature not less than -254℃, and single phase liquid hydrogen evaporating gas as the medium (including spring direct load safety valves and pilot operated safety valves). 2 Normative references The following documents contain requirements which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 229 Metallic materials - Charpy pendulum impact test method GB/T 12224 General requirements for industrial steel valves GB/T 12241 Safety valves - General requirements GB/T 12242 Pressure relief devices - Performance test code GB/T 12243 Spring loaded safety valves GB/T 13305 Method for determining content of the α-phase in stainless steels GB/T 22652 Overlaying-welding procedure qualification for valves sealing face GB/T 24499 Technology glossary for gaseous hydrogen, hydrogen energy and hydrogen energy system GB/T 24921.1 Sizing, selection and installation of pressure relieving valves for petrochemical industries - Part 1: Sizing and selection GB/T 26481 Industrial valves test for fugitive emissions GB/T 26640 Specification for minimal thickness of the shell of valves GB/T 28778 Pilot operated safety valves GB/T 29026 Spring loaded safety valve for cryogenic service GB/T 40011 Pilot safety valve for cryogenic fluid service GB/T 40060 Technical requirements for storage and transportation of liquid hydrogen GB/T 40079 Classification system and qualification procedures for fugitive emission type testing of valves HG 20202 Code for construction and acceptance of degreasing project JB/T 6440 Methods of radiographic examination for steel castings valves JB/T 6440-2008 Methods of radiographic examination for steel castings valves JB/T 6903 Methods for ultrasonic examination of steel gorgings for valves JB/T 6903-2008 Methods for ultrasonic examination of steel gorgings for valves JB/T 7248 Technical specification for low temperature service steel casting for valves JB/T 7927-2014 Valve cast steel visual quality requirements JB/T 7928 Industrial valves - Delivery specification NB/T 47013.2 Nondestructive testing of pressure equipments - Part 2: Radiographic testing NB/T 47013.2-2015 Non-destructive testing of pressure equipments - Part 2: Radiographic testing NB/T 47013.5 Nondestructive testing of pressure equipments - Part 5: Penetrant testing NB/T 47013.5-2015 Nondestructive testing of pressure equipments - Part 5: Penetrant testing NB/T 47014 Welding procedure qualification for pressure equipment 3 Terms and definitions For the purposes of this document, the terms and definitions given in GB/T 12241, GB/T 12242, GB/T 12243, GB/T 24499, GB/T 28778 and the following apply. 3.1 hydrostatic strength test test of rupture resistance of pressure shell at normal temperature, specified liquid pressure and specified time 3.2 design pressure allowable maximum pressure of the pressure-bearing parts of the safety valve for liquid hydrogen vessels at normal temperature specified in the design 3.3 cryogenic treatment treatment process of immerse the parts in a vessel that is not higher than the temperature of liquid nitrogen for cooling until their temperature is stable, then maintain such temperature for 2h to 6h, and then take them out to return to room temperature naturally 3.4 valve category A safety valve that may be discharged during the normal operation of the liquid hydrogen vessel without automatic control valve or discharge valve 3.5 valve category B safety valve that does not discharge during the normal operation of the liquid hydrogen vessel with automatic control valve or discharge valve 4 Technical requirements 4.1 General requirements 4.1.1 Safety valves for liquid hydrogen vessels (hereinafter referred to as safety valves) shall meet the requirements of GB/T 12241, GB/T12243, GB/T 28778, GB/T 29026 and GB/T40011, in addition to the requirements of this document. 4.1.2 The determination of design pressure of safety valves shall meet the requirements of GB/T 12224. When the pressure-temperature rating of some materials with elastic sealing structure or internal parts is lower than the pressure-temperature rating of the body material, the design pressure shall be determined with the lower value. 4.1.3 The end connection of safety valves shall meet the requirements of GB/T 12241. If the purchaser has special requirements, the safety valves can be designed and manufactured according to the purchase technical agreement under the condition of ensuring the performance and safety of the safety valves. 4.1.4 Before assembly, all parts shall be cleaned, degreased and dried according to the methods specified in HG 20202, and the results shall meet the requirements of HG 20202. 4.2 Design requirements 4.2.1 Temperature adaptability Within the predetermined pressure range, the safety valve shall be able to work normally between the required minimum temperature and 65°C. 4.2.2 Setting pressure The setting pressure of safety valve shall be less than or equal to the difference between its design pressure and the excess pressure (setting pressure ≤ design pressure - excess pressure), and should not exceed the specified values of Annexes B and C of GB/T 24920-2010. 4.2.3 Safety valve shell 4.2.3.1 The safety valve shall be designed to discharge liquid to avoid the accumulation of liquid in the valve. Except as otherwise specified in the technical purchase agreement. 4.2.3.2 The safety valve shell shall have sufficient strength to ensure that no harmful deformation occurs under strength test and working conditions. It can withstand the stress caused by the change of medium pressure and temperature for a long time, the additional stress generated by the connecting pipe, and the total load of combined stress generated under the operating conditions. 4.2.3.3 When the safety valve is discharged, avoid the accumulation of solid matter in the valve body or at the outlet and cause failure due to the decrease of temperature. 4.2.3.4 Shell thickness shall meet the requirements of GB/T 26640.
Contents of GB/T 45161-2024
Contents Foreword 1 Scope 2 Normative references 3 Terms and definitions 4 Technical requirements 4.1 General requirements 4.2 Design requirements 4.3 Performance requirements 4.4 Materials 4.5 Non-destructive inspection 5 Test methods 5.1 Safety instruction 5.2 Marking Inspection 5.3 Dimension inspection of shell 5.4 Chemical composition of material 5.5 Mechanical properties of material 5.6 Normal temperature performance test 5.7 Low temperature performance test of liquid hydrogen 5.8 Anti-static test 5.9 Cleanliness inspection 5.10 Vibration and impact tests 5.11 Non-destructive inspection 6 Inspection rules 6.1 Inspection items 6.2 Delivery inspection 6.3 Type testing 7 Marking 7.1 General 7.2 Body marking 7.3 Nameplate marking 8 Painting, packaging, transportation and storage Annex A (Informative) Working conditions for calculation of runner size and rated displacement Annex B (Informative) Designations of metal materials for main parts of valves Bibliography
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