GB/T 45027-2024液氫閥門通用規(guī)范

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中華人民共和國國家標準

GB/T45027—2024

液氫閥門通用規(guī)范

Valvesforliquidhydrogen—Generalspecification

2024-12-31發(fā)布2025-04-01實施

國家市場監(jiān)督管理總局發(fā)布

國家標準化管理委員會

GB/T45027—2024

目次

前言

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1

范圍

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規(guī)范性引用文件

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3

術語和定義

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4

技術要求

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4.1

基本要求

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4.2

材料

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4.3

結構設計

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4.4

常溫性能

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4.5

低溫性能

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5

試驗方法

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5.1

試驗條件

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5.2

材料

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5.3

結構設計

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5.4

脫脂檢查

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5.5

常溫性能

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5.6

低溫性能

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5.7

標志檢查

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6

檢驗規(guī)則

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6.1

出廠檢驗

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6.2

型式試驗

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標志

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7.1

一般要求

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7.2

閥體上的標記

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7.3

標牌上的標志

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7.4

其他標記

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8

包裝和儲運

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附錄A（規(guī)范性）焊接要求焊接要求

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附錄B（資料性）閥門主要零部件金屬材料推薦牌號

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附錄C（資料性）閥體加長頸推薦最小長度

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附錄D（資料性）氣動控制閥泄漏率系數(shù)

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附錄E（資料性）液氫溫度與壓力對應表

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參考文獻

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Ⅰ

GB/T45027—2024

前言

本文件按照GB/T1.1—2020《標準化工作導則第1部分：標準化文件的結構和起草規(guī)則》的規(guī)

定起草。

請注意本文件的某些內容可能涉及專利。本文件的發(fā)布機構不承擔識別專利的責任。

本文件由全國氫能標準化技術委員會（SAC/TC309）和全國宇航技術及其應用標準化技術委員會

（SAC/TC425）共同提出并歸口。

本文件起草單位：北京航天動力研究所、北京航天石化技術裝備工程有限公司、北京航化節(jié)能環(huán)保

技術有限公司、國家市場監(jiān)督管理總局、中國標準化研究院、空氣化工產品（中國）投資有限公司、上海市

氣體工業(yè)協(xié)會、蘇州紐威閥門股份有限公司、上海瑞控閥門有限公司、北京航天雷特機電工程有限公

司、重慶市特種設備檢測研究院、雷舸流體科技（上海）有限公司、薩姆森控制設備（中國）有限公

司、特瑞斯能源裝備股份有限公司、埃邁流體技術（上海）有限公司、廣西鑫晨特種設備檢測有限公

司、四川成都空分配套閥門有限公司。

本文件主要起草人：靳偉、吳玉珍、許健、秦先勇、楊燕梅、王春景、杜利鋒、周偉明、周桂林、

周魯立、戴賢波、滕磊軍、邱勇軍、曹廣濱、吳瑛、吳幫成、王悅萍、熊運華、陳銳。

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GB/T45027—2024

液氫閥門通用規(guī)范

警示：本文件不涉及與液氫閥門生產、應用有關的所有安全問題。在使用本文件前，使用者有責任

采取適當?shù)陌踩?、健康和保護措施，明確其適用范圍，并保證符合國家有關法律法規(guī)、強制性國家標準

的規(guī)定。

1范圍

本文件規(guī)定了液氫用閥門（以下簡稱“閥門”）的技術要求、試驗方法、檢驗規(guī)則、標志、包裝和

儲運要求。

本文件適用于公稱壓力不大于PN160，壓力等級不大于Class900，采用真空夾套絕熱措施和焊接連

接的液氫用截止閥、止回閥、球閥、氣動控制閥和易熔切斷型緊急切斷閥。

2規(guī)范性引用文件

下列文件中的內容通過文中的規(guī)范性引用而構成本文件必不可少的條款。其中，注日期的引用文

件，僅該日期對應的版本適用于本文件；不注日期的引用文件，其最新版本（包括所有的修改單）適用

于本文件。

GB/T150.4壓力容器第4部分：制造、檢驗和驗收

GB/T228.1金屬材料拉伸試驗第1部分：室溫試驗方法

GB/T229金屬材料夏比擺錘沖擊試驗方法

GB/T1954鉻鎳奧氏體不銹鋼焊縫鐵素體含量測量方法

GB/T2423.5環(huán)境試驗第2部分：試驗方法試驗Ea和導則：沖擊

GB/T2423.10環(huán)境試驗