GB/T 20801.5-2025 Active National standards

GB/T 20801.5-2025 Pressure piping code—Part 5:Hydrogen piping and pipelines

GB/T 20801.5-2025 Pressure piping code—Part 5:Hydrogen piping and pipelines

Publish Date: 2025-10-31 Implement Date: 2026-05-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 20801.5-2025
Standard Type: National standards
Standard Status: Active
is_force_gb: no
CCS Name: Pressure vessel
ICS Name: Pipe components and pipelines
Publish Date: 2025-10-31
Implement Date: 2026-05-01
Publisher: 国家市场监督管理总局、国家标准化管理委员会
Technical Committee: 全国锅炉压力容器标准化技术委员会(SAC/TC 262)
Pages: 96 pages

Scope

1.1 本文件规定了氢用管道的基本要求、材料、设计与计算、制作与安装、检验与试验及安全防护。氢气长输管道还规定了投产试运、管道使用与维护及管道抢维修的技术要求,氢气公用管道还规定了安全运行与维护的技术要求。
注1: 氢用管道是指输送氢介质的各类管道,包括氢气工业管道、氢气长输管道和氢气公用管道,也包括液氢管道。
注2:  延伸进入制氢工厂、氢气站、供氢站、城市燃气门站、储气库、燃气电厂等工厂界区范围的部分,以及工厂之间连接的氢气管道,依据氢气长输管道或氢气工业管道执行。
1.2 本文件适用于最高工作压力大于或等于0.1 MPa(表压)且公称直径大于或等于DN50的氢气管道,其他氢气管道参照执行。
1.3 本文件中氢气工业管道、氢气长输管道和氢气公用管道的适用条件如下。
a) 氢气工业管道:输送工业氢气介质,且设计压力小于或等于41 MPa。
b) 氢气长输管道:陆上管输氢气体积含量大于或等于3%,且设计压力小于或等于12 MPa、设计温度小于或等于150 ℃。

Development Information

Drafting Units:

中石化上海工程有限公司、国家石油天然气管网集团有限公司、中国市政工程华北设计研究总院有限公司、中国特种设备检测研究院、国家市场监督管理总局、中国石化股份有限公司、国家管网集团工程技术创新有限公司、合肥通用机械研究院有限公司、中石化广州工程有限公司、中石化第四建设有限公司、上海迅羽化工工程高技术中心、华东理工大学、国家管网集团北京管道有限公司、中国石油天然气管道工程有限公司、中国寰球工程有限公司北京分公司、广东省特种设备检测研究院、上海市特种设备监督检验技术研究院有限公司、空气化工产品(中国)投资有限公司、正星氢电科技郑州有限公司、中国石化集团新星石油有限责任公司、中石化安全工程研究院有限公司、大连元晨工程建设有限公司、国家管网集团(徐州)管道检验检测有限公司、中国市政工程东北设计研究总院有限公司

Drafting Persons:

方立、沙裕、吕世军、李军、杜顺学、秦先勇、黄正林、胡颖、李颜强、何仁洋、聂爱杰、孙立刚、马俊峰、贾微、尤子涵、章小浒、李雪梅、李军民、张汉蒸、王洪林、杨绪运、孙行之、惠虎、张琰、肖芬、姚登樽、张国信、姜万军、汪凤、翟建明、王胜辉、黄佐、李明昕、舒小芹、张小强、张文伟、周勤、王浪云、王东营、刘权、钟桂香、杨树斌、高胜寒、西敬军、李浩宇、钱国梁、杜建梅、赵伟、李澜、卜明哲、司荣、王海涛、马红莲、师振贵、张永波、张波、杨哲、吴倩、胡昆、王春景、朱琦、张翼、钱雪萍、李永河、张晓军、张志荣

Word Count: 165 Thousand words Pages: 96 pages

Same series standard

Referenced Standards

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83-2015 Flat welding ring plate type loose steel pipe flange JB/T 83-1994 Flush weld ring plate type loose steel pipe flange JB/T 84-2015 Welding Ring Plate Type Slip-fit Steel Pipe Flange JB/T 84-1994 Thin-walled flange steel pipe with welding flange and bushing in concave and convex surfaces JB/T 85-2015 Flange plate type loose steel tube flange JB/T 85-1994 Threaded flange steel pipe flange with loose steel plate JB/T 6439-2008 Valve pressure parts are inspected by magnetic particle testing JB/T 6439-1992 The valve is subjected to magnetic particle inspection of the pressure die-cast steel parts JB/T 6440-2008 The valve is subjected to radiographic inspection of the pressure die-cast steel component JB/T 6440-1992 The valve is subjected to radiographic inspection of the pressure die-cast steel parts JB/T 6899-1993 Fire-resistant Test for Valves JB/T 6899-1993 JB/T 6902-2008 Check method for liquid penetration in valves JB/T 6903-2008 JB/T 7746-2020 Compact forged steel valve JB/T 7746-2006 Compact steel valve JB/T 7746-1995 Shrink-diameter forged steel valve JB/T 7747-2010 needle-shaped stop valve JB/T 7747-1995 Needle-shaped stop valve JB/T 7927-2014 The appearance quality requirements for valve cast steel components JB/T 8937-2010 Check valve with snap-action design JB/T 8937-1999 Check valve with clamp mount

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