{"product_id":"gbt20801-5-2025","title":"GB\/T 20801.5-2025 English PDF (GB\/T20801.5-2025)","description":"\u003ch1\u003eGB\/T 20801.5-2025: Pressure piping code - Part 5: Hydrogen piping and pipelines\u003c\/h1\u003e\u003cb style=\"font-size:16px;\"\u003eDelivery:\u003c\/b\u003e 9 seconds. Download (and Email) true-PDF + Invoice.\u003cbr\u003e\u003cb style=\"font-size:16px;\"\u003eGet Quotation:\u003c\/b\u003e Click \u003ca style=\"color: blue;\" href=\"https:\/\/www.chinesestandard.net\/Cart\/Cart.aspx?GB\/T%2020801.5-2025_English\" rel=\"nofollow\"\u003eGB\/T 20801.5-2025\u003c\/a\u003e (Self-service in 1-minute)\u003cbr\u003e\u003cb style=\"font-size:16px;\"\u003eNewer \/ historical versions: \u003c\/b\u003e \u003ca style=\"color: blue;\" href=\"https:\/\/www.chinesestandard.net\/PDF.aspx\/GBT20801.5-2025\"\u003eGB\/T 20801.5-2025\u003c\/a\u003e\u003ch2\u003ePreview True-PDF\u003c\/h2\u003e\u003ciframe src=\"https:\/\/www.chinesestandard.net\/Preview_PDF.aspx\/GBT20801.5-2025\" width=\"445\" height=\"600\" title=\"GB\/T 20801.5-2025 True-PDF\"\u003e\u003c\/iframe\u003e \u003cbr\u003e\u003ch2\u003eScope\u003c\/h2\u003e1.1 This document specifies the basic requirements, materials, design and calculation, \u003cbr\u003efabrication and installation, inspection and testing, and safety protection for hydrogen piping \u003cbr\u003eand pipelines. For gaseous hydrogen transmission pipelines, it also specifies the technical \u003cbr\u003erequirements for commissioning, trial operation, piping use and maintenance, and piping \u003cbr\u003eemergency repairs. For gaseous hydrogen utility pipelines, it also specifies the technical \u003cbr\u003erequirements for safe operation and maintenance. \u003cbr\u003eNOTE 1.Hydrogen piping and pipelines refer to all types of piping transporting hydrogen, \u003cbr\u003eincluding gaseous hydrogen industrial piping, gaseous hydrogen transmission pipelines, \u003cbr\u003eand gaseous hydrogen utility pipelines, as well as liquid hydrogen piping. \u003cbr\u003eNOTE 2.The portions extending into the boundaries of hydrogen production plants, hydrogen \u003cbr\u003estations, hydrogen supply stations, city gas gate stations, gas storage facilities, and gas- \u003cbr\u003efired power plants, as well as gaseous hydrogen piping and pipelines connecting between \u003cbr\u003eplants, shall be governed by the provisions for gaseous hydrogen transmission pipelines \u003cbr\u003eor gaseous hydrogen industrial piping. \u003cbr\u003e1.2 This document is applicable to gaseous hydrogen piping and pipelines with a maximum \u003cbr\u003eoperating pressure greater than or equal to 0.1 MPa (gauge pressure) and a nominal diameter \u003cbr\u003egreater than or equal to DN50.Other gaseous hydrogen piping and pipelines shall refer to this \u003cbr\u003edocument for application. \u003cbr\u003e1.3 The applicable conditions for gaseous hydrogen industrial piping, gaseous hydrogen \u003cbr\u003etransmission pipelines, and gaseous hydrogen utility pipelines in this document are as follows. \u003cbr\u003ea) Gaseous hydrogen industrial piping. Transport industrial gaseous hydrogen with a \u003cbr\u003edesign pressure less than or equal to 41 MPa. \u003cbr\u003eb) Gaseous hydrogen transmission pipelines. Land-based pipelines transporting gaseous \u003cbr\u003ehydrogen with a volumetric content greater than or equal to 3%, and a design pressure \u003cbr\u003eless than or equal to 12 MPa and a design temperature less than or equal to 150°C. \u003cbr\u003ec) Gaseous hydrogen utility pipelines. \u003cbr\u003e1) Gaseous hydrogen with a volumetric content greater than 60% and a maximum \u003cbr\u003eoperating pressure less than or equal to 1.6 MPa; \u003cbr\u003e2) Gaseous hydrogen with a volumetric content greater than 3% and less than or \u003cbr\u003eequal to 60% and a maximum operating pressure greater than 0.4 MPa and less \u003cbr\u003eb) The scope of non-applicability for gaseous hydrogen utility pipelines is as follows. \u003cbr\u003e1) Piping within hydrogen plants and stations; \u003cbr\u003e2) Gaseous hydrogen piping and pipelines within industrial users (defined by plant \u003cbr\u003eboundaries); \u003cbr\u003e3) Gaseous hydrogen piping and pipelines within commercial and residential users \u003cbr\u003e(bounded by the service pipe valve). \u003cbr\u003e\u003cbr\u003e\u003ch2\u003eBasic Data\u003c\/h2\u003e\u003ctable id=\"TableTabAbout0\" rules=\"all\" border=\"1\" style=\"font-family:Arial;font-size:Small;\"\u003e  \u003ctr id=\"TableTabRow10\"\u003e     \u003ctd id=\"TableTabCell110\" align=\"center\" font=\"bold\"\u003e \u003cb\u003eStandard ID\u003c\/b\u003e \u003c\/td\u003e    \u003ctd id=\"TableTabCell120\" align=\"center\"\u003e GB\/T 20801.5-2025 (GB\/T20801.5-2025)\u003c\/td\u003e  \u003c\/tr\u003e\n\u003ctr id=\"TableTabRow20\"\u003e     \u003ctd id=\"TableTabCell210\" align=\"center\" font=\"bold\"\u003e \u003cb\u003eDescription (Translated English)\u003c\/b\u003e \u003c\/td\u003e    \u003ctd id=\"TableTabCell220\" align=\"center\"\u003e Pressure piping code - Part 5: Hydrogen piping and pipelines\u003c\/td\u003e  \u003c\/tr\u003e\n\u003ctr id=\"TableTabRow30\"\u003e     \u003ctd id=\"TableTabCell310\" align=\"center\" font=\"bold\"\u003e \u003cb\u003eSector \/ Industry\u003c\/b\u003e \u003c\/td\u003e    \u003ctd id=\"TableTabCell320\" align=\"center\"\u003e National Standard (Recommended)\u003c\/td\u003e  \u003c\/tr\u003e\n\u003ctr id=\"TableTabRow40\"\u003e     \u003ctd id=\"TableTabCell410\" align=\"center\" font=\"bold\"\u003e \u003cb\u003eClassification of Chinese Standard\u003c\/b\u003e \u003c\/td\u003e    \u003ctd id=\"TableTabCell420\" align=\"center\"\u003e J74\u003c\/td\u003e  \u003c\/tr\u003e\n\u003ctr id=\"TableTabRow50\"\u003e     \u003ctd id=\"TableTabCell510\" align=\"center\" font=\"bold\"\u003e \u003cb\u003eClassification of International Standard\u003c\/b\u003e \u003c\/td\u003e    \u003ctd id=\"TableTabCell520\" align=\"center\"\u003e 23.040\u003c\/td\u003e  \u003c\/tr\u003e\n\u003ctr id=\"TableTabRow60\"\u003e     \u003ctd id=\"TableTabCell610\" align=\"center\" font=\"bold\"\u003e \u003cb\u003eWord Count Estimation\u003c\/b\u003e \u003c\/td\u003e    \u003ctd id=\"TableTabCell620\" align=\"center\"\u003e 94,977\u003c\/td\u003e  \u003c\/tr\u003e\n\u003ctr id=\"TableTabRow70\"\u003e     \u003ctd id=\"TableTabCell710\" align=\"center\" font=\"bold\"\u003e \u003cb\u003eDate of Issue\u003c\/b\u003e \u003c\/td\u003e    \u003ctd id=\"TableTabCell720\" align=\"center\"\u003e 2025-10-31\u003c\/td\u003e  \u003c\/tr\u003e\n\u003ctr id=\"TableTabRow80\"\u003e     \u003ctd id=\"TableTabCell810\" align=\"center\" font=\"bold\"\u003e \u003cb\u003eDate of Implementation\u003c\/b\u003e \u003c\/td\u003e    \u003ctd id=\"TableTabCell820\" align=\"center\"\u003e 2026-05-01\u003c\/td\u003e  \u003c\/tr\u003e\n\u003ctr id=\"TableTabRow90\"\u003e     \u003ctd id=\"TableTabCell910\" align=\"center\" font=\"bold\"\u003e \u003cb\u003eIssuing agency(ies)\u003c\/b\u003e \u003c\/td\u003e    \u003ctd id=\"TableTabCell920\" align=\"center\"\u003e State Administration for Market Regulation, Standardization Administration of China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cbr\u003e\u003cbr\u003e","brand":"www.ChineseStandard.us -- Field Test Asia Pte. Ltd.","offers":[{"title":"Default Title","offer_id":53541686280506,"sku":null,"price":1280.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0821\/5737\/1706\/files\/GBT20801.5-2025EN.1.jpg?v=1780113347","url":"https:\/\/www.chinesestandard.us\/products\/gbt20801-5-2025","provider":"www.ChineseStandard.us (www.ChineseStandard.net)","version":"1.0","type":"link"}