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GB/T 45819-2025: Centrifugal liquid hydrogen pumps - Technical specification
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 45819-2025 | English | 699 |
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Centrifugal liquid hydrogen pumps - Technical specification
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GB/T 45819-2025
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Basic data | Standard ID | GB/T 45819-2025 (GB/T45819-2025) | | Description (Translated English) | Centrifugal liquid hydrogen pumps - Technical specification | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J71 | | Classification of International Standard | 23.080 | | Word Count Estimation | 34,396 | | Date of Issue | 2025-05-30 | | Date of Implementation | 2025-09-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 45819-2025: Centrifugal liquid hydrogen pumps - Technical specification---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.
ICS 23.080
CCSJ71
National Standard of the People's Republic of China
Technical Specifications of Centrifugal Liquid Hydrogen Pumps
Released on 2025-05-30
2025-09-01 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
Table of contents
Preface III
1 Scope 1
2 Normative references 1
3 Terms and Definitions 2
4 Technical Requirements 2
4.1 General Requirements 2
4.2 Design Requirements 3
4.3 Material requirements 5
4.4 Performance requirements 6
4.5 Safety requirements 8
5 Test methods 8
5.1 Test conditions 8
5.2 Materials 9
5.3 Normal temperature test 10
5.4 Low temperature test 11
6 Inspection rules 13
6.1 Factory Inspection 13
6.2 Type test 14
7 Sign 14
8 Packaging, transportation and storage 15
Appendix A (Informative) Typical Pump Structure 16
Appendix B (Informative) Pump Input Conditions 19
Appendix C (Informative) Recommended grades of metal materials for main pump parts 20
Appendix D (Normative) Conversion of pump performance test results for different media 21
Appendix E (Informative) Table 22 Correspondence between Liquid Hydrogen Temperature and Saturated Vapor Pressure
Appendix F (Informative) Pump Test Report Format 23
Appendix G (Informative) Pump Data Sheet 25
Appendix H (Informative) Vendor Information Requirements 27
Reference 28
Foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents"
Drafting.
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document was proposed by the China Machinery Industry Federation.
This document is under the jurisdiction of the National Pump Standardization Technical Committee (SAC/TC211).
This document was drafted by. Beijing Aerospace Power Research Institute, Hefei General Machinery Research Institute Co., Ltd., Hefei Xinhu Shielded Pump Co., Ltd.,
Hangzhou Hangyang Pump & Valve Co., Ltd., Beijing Aerospace Petrochemical Technology Equipment Engineering Co., Ltd., China Huanqiu Engineering Corporation Beijing Branch
Company, New Territory Pump Industry (Zhejiang) Co., Ltd., Zhejiang University, Sinopec Guangzhou Engineering Co., Ltd., Shanghai Kaiquan Pump Industry (Group) Co., Ltd.,
Shenyang Blower Group Nuclear Power Pump Co., Ltd., Shenyang Pump Research Institute Co., Ltd., Hangzhou Xinya Cryogenic Technology Co., Ltd., Jiali Teren
Yuan Pump Industry Co., Ltd., Shaanxi Wofeng Fluid Technology Co., Ltd., Xi'an Pump Valve General Factory Co., Ltd., Hangzhou Hangyang Pharmaceutical Engineering Co., Ltd.,
Jiangsu University, General Machinery Key Core Basic Parts Innovation Center (Anhui) Co., Ltd., Aerospace Hydrogen Energy Technology Co., Ltd., Zhejiang Mechanical and Electrical Vocational
University of Technology, Dalian Leo Huaneng Pump Industry Co., Ltd., Chongqing Pump Factory Co., Ltd., Ebara Machinery Zibo Co., Ltd., Shanghai Shangyuan Pump
Industry Manufacturing Co., Ltd., Yantai Longgang Pump Industry Co., Ltd., Liaoning Hengxing Pump Industry Co., Ltd., Qingdao Haixi Electric Co., Ltd., Hangzhou Tu
Bo Energy Technology Co., Ltd., Jiangsu University Fluid Machinery Wenling Research Institute, Yantai Hengbang Pump Industry Co., Ltd., Zhejiang Weige Intelligent Pump Industry Co., Ltd.
Co., Ltd., Huzhou Mitsui Cryogenic Equipment Co., Ltd., and Cunrong Fluid Equipment (Wuxi) Co., Ltd.
The main drafters of this document are. Wu Yuzhen, Ma Jiamei, Chen Zhengwen, Wang Guoliang, Lian Junwei, Hu Yun, Shao Chen, Ge Jie, Qiu Limin, Zhang Xiaobin,
Yang Chengjiong, Wang Yanhe, Fu Wei, Dong Qinmin, Jin Zhilei, Ye Xiaoqiang, Yang Sisi, Wang Weibo, Zhang Jinling, Liu Yi, Cao Junwei, He Bo, Gao Bingwen,
Sun Xiaocheng, Cao Puyu, Ren Qile, Su Jianan, Zhang Wei, Du Zhenming, Li Xuebing, Bai Xiaobang, Si Qiaorui, Sun Yanquan, Chen Yongjun, Xu Wenchao, Zhang Yongliang,
Liu Haichuan, Wang Wenzhe, Rao Kun, Zhao Yiteng, Wang Hongguang, Chen Bin, Li Tao, Ouyang Su.
Technical Specifications of Centrifugal Liquid Hydrogen Pumps
Important. Before using this document, the user is responsible for taking appropriate safety, health and protection measures, clarifying its scope of application, and
Ensure compliance with relevant national laws and regulations and mandatory national standards.
1 Scope
This document specifies the technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of centrifugal liquid hydrogen pumps.
This document applies to centrifugal pumps that transport single-phase liquid hydrogen.
This document does not apply to submersible liquid hydrogen pumps.
2 Normative references
The contents of the following documents constitute the essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document.
GB/T 228.1 Tensile test of metallic materials Part 1.Room temperature test method
GB/T 229 Charpy pendulum impact test method for metallic materials
GB/T 3215-2019 Centrifugal pumps for petroleum, petrochemical and natural gas industries
GB/T 3216-2016 Acceptance test for hydraulic performance of rotary dynamic pumps Level 1, Level 2 and Level 3
GB/T 3634.2 Hydrogen Part 2.Pure hydrogen, high purity hydrogen and ultrapure hydrogen
GB/T 3836.1 Explosive atmospheres Part 1.General requirements for equipment
GB/T 4208 Enclosure protection grade (IP code)
GB/T 4844 Pure helium, high purity helium and ultrapure helium
GB/T 7021 Terminology of centrifugal pumps
GB/T 8979 Pure nitrogen, high purity nitrogen and ultra-pure nitrogen
GB/T 9239.1-2006 Mechanical vibration steady-state (rigid) rotor balancing quality requirements Part 1.Specifications and balance tolerances
test
GB/T 9239.14 Mechanical vibration rotor balancing Part 14.Procedure for evaluating balancing errors
GB/T 9239.32 Mechanical vibration rotor balancing Part 32.Key criteria for balancing shafts and mating parts
GB/T 13148 Technical requirements for welding of stainless steel composite plates
GB/T 13277.1 Compressed air Part 1.Pollutant purification levels
GB/T 13306 Labels
GB/T 13384 General technical requirements for packaging of electromechanical products
GB/T 13824 Requirements for vibration severity measuring instruments for mechanical vibration of rotating and reciprocating machines
GB/T 14211 Mechanical seal test method
GB/T 16823.2-1997 General rules for tightening threaded fasteners
GB/T 16907-2014 Technical requirements for centrifugal pumps (Class I)
GB/T 18149-2017 Specification for hydraulic performance test of centrifugal pumps, mixed flow pumps and axial flow pumps Precision grade
GB/T 19418-2003 Guide for quality classification of defects in arc welded joints of steel
GB/T 24499 Terminology of hydrogen, hydrogen energy and hydrogen energy systems
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