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GB/T 45819-2025Centrifugal liquid hydrogen pumps - Technical specification (English PDF)

离心式液氢泵技术规范

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

May 30, 2025

Implementation date

September 1, 2025

Scope

GB/T 45819-2025 is the English-translated version of 离心式液氢泵技术规范.

GB/T 45819-2025 is the Chinese standard "Centrifugal liquid hydrogen pumps - Technical specification". Its scope clause reads: 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.

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Document preview — GB/T 45819-2025

National Standard of the People's Republic of China

ICS: 23.080
Classification: J 71

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Preface
1 Scope
2 Normative references
3 Terms and Definitions
4 Technical Requirements
4.1 General Requirements
4.2 Design Requirements
4.3 Material requirements
4.4 Performance requirements
4.5 Safety requirements
5 Test methods
5.1 Test conditions
5.2 Materials
5.3 Normal temperature test
5.4 Low temperature test
6 Inspection rules
6.1 Factory Inspection
6.2 Type test
7 Sign
8 Packaging, transportation and storage
Appendix A (Informative) Typical Pump Structure
Appendix B (Informative) Pump Input Conditions
Appendix C (Informative) Recommended grades of metal materials for main pump parts
Appendix D (Normative) Conversion of pump performance test results for different media
Appendix E (Informative) Table 22 Correspondence between Liquid Hydrogen Temperature and Saturated Vapor Pressure
Appendix F (Informative) Pump Test Report Format
Appendix G (Informative) Pump Data Sheet
Appendix H (Informative) Vendor Information Requirements

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

GB/T 13929 | JB/T 13977 | GB/T 7782 | GB/T 26115 | GB/T 14794 | […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 31 pages — is available in the English PDF.

Referenced standards

Normative references

Editions of GB/T 45819

Edition	Title	Revision	Status
GB/T 45819-2025	Centrifugal liquid hydrogen pumps - Technical specification	current edition	Current

This page sells the current edition, GB/T 45819-2025. Earlier editions are listed for reference only.

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