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GB/T 31239-2023 English PDF

Q: How long will the true-PDF of English version of GB/T 31239-2023 be delivered?

Upon your order, we will start to translate GB/T 31239-2023_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Q: Can I share the purchased PDF of GB/T 31239-2023_English with my colleagues?

Yes. The purchased PDF of GB/T 31239-2023_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Q: Does the price include tax/VAT?

Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries). Avoidance of Double Taxation Agreements (DTAs) between Singapore and 100+ Countries: https://www.iras.gov.sg/taxes/international-tax

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Q: Should I purchase the latest version GB/T 31239-2023?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 31239-2023 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.

US$209.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 31239-2023: Technical specification for fittings of 1 000 kV substation
Status: Valid

GB/T 31239: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 31239-2023	209	Add to Cart	3 days	Technical specification for fittings of 1 000 kV substation	Valid
GB/T 31239-2014	479	Add to Cart	3 days	Technical specification for fittings of 1 000 kV substation	Obsolete

Similar standards

GB/T 37404 GB/T 2694 GB/T 31487.3 GB/T 31245 GB/T 31235

Basic data

Standard ID: GB/T 31239-2023 (GB/T31239-2023)
Description (Translated English): Technical specification for fittings of 1 000 kV substation
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: K47
Classification of International Standard: 29.240.20
Word Count Estimation: 10,196
Date of Issue: 2023-12-28
Date of Implementation: 2024-07-01
Older Standard (superseded by this standard): GB/T 31239-2014
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 31239-2023: Technical specification for fittings of 1 000 kV substation

---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 29:240:20 CCSK47 National Standards of People's Republic of China Replace GB/T 31239-2014 Technical Specifications for 1000kV Substation Fittings Published on 2023-12-28 2024-07-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration Committee

PrefaceⅠ 1 Scope 1 2 Normative references 1 3 Terms and Definitions 2 4 General requirements 2 5 Technical requirements 3 6 Test methods and judgment criteria 4 7 Logo, packaging and accompanying documents 6

Foreword

This document complies with the provisions of GB/T 1:1-2020 "Standardization Work Guidelines Part 1: Structure and Drafting Rules of Standardization Documents" Drafting: This document replaces GB/T 31239-2014 "Technical Specifications for 1000kV Substation Fittings": Compared with GB/T 31239-2014, except In addition to structural adjustments and editorial changes, the main technical changes are as follows: a) Added "Terms and Definitions" (see Chapter 3); b) Added requirements for spacer material (see 5:3); c) The yield strength ratio of steel parts with a nominal failure load of 160kN and above has been changed (see 4:2, 3:9 in the:2014 edition); d) Changed the requirements for materials of tension clamps, connecting pipes and drainage plates (see 5:2, 4:3 of the:2014 edition); e) The requirements for the diameter, thickness and bend deformation of the pressure equalizing ring and shielding ring have been changed (see 5:4, 4:4 of the:2014 edition); f) The test methods and judgment criteria for substation hardware have been changed (see Chapter 6, Chapter 7 of the:2014 edition); g) Delete the requirements for the construction of tension clamps (see 4:3 of the:2014 edition); h) The chapter on eight changes and four golden tools has been deleted (see 4:7 in the:2014 version); i) The requirements for the mechanical properties of spacer rod clamps are deleted (see Table 1 of the:2014 edition): Please note that some content in this document may be subject to patents: The publisher of this document assumes no responsibility for identifying patents: This document is proposed by the China Electricity Council: This document is under the jurisdiction of the National UHV AC Transmission Standardization Technical Committee (SAC/TC569): This document was drafted by: China Electric Power Research Institute Co:, Ltd:, State Grid Jiangsu Electric Power Co:, Ltd:, State Grid Co:, Ltd:, Hu Bei Province Electric Power Survey and Design Institute Co:, Ltd:, Liaoning Jinxing Electric Power Fitting Technology Co:, Ltd:, China Energy Construction Group Nanjing Line Equipment Co:, Ltd:, China Southern Power Grid Digital Grid Group Co:, Ltd:, China Power Construction Group Chengdu Electric Power Fittings Co:, Ltd:, China Power Construction Group Siping Line Equipment Co:, Ltd:, Jiangsu Shuanghui Electric Power Development Co:, Ltd:, Pinggao Group Co:, Ltd:, and Jiangdong Fitting Equipment Co:, Ltd: The main drafters of this document: Zhou Lixian, Qiu Ning, Si Jiajun, Liu Shengchun, Wang Shugang, Liu Peng, Fan Baozhen, Yu Haipeng, Luo Xianguo, Du Zhuo, Li Xinchun, Jiang Guangdong, Li Jinwei, Liu Zhiyi, Yu Dong, Wang Yinchun, Yang Guohua, Lu Wei, Sun Yuntao, Zhu Yupeng: The previous versions of this document and the documents it replaces are as follows: ---First published as GB/T 31239-2014 in:2014; ---This is the first revision: Technical Specifications for 1000kV Substation Fittings

1 Scope

This document stipulates the general requirements, technical requirements, markings, packaging and accompanying documents for 1000kV substation fittings, and describes the test Methods and Judgment Criteria: This document is applicable to the frame crossovers and equipment rooms in all circuits with a system nominal voltage of 1000kV in a 1000kV substation: Design, manufacturing, testing and acceptance of supporting fittings for connecting conductors and insulator strings:

2 Normative reference documents

The contents of the following documents constitute essential provisions of this document through normative references in the text: Among them, the dated quotations For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to this document: GB/T 93 standard spring washer GB/T 95 Flat Washer Grade C GB/T 2314 General technical conditions for power fittings GB/T 2315 Nominal failure load series and connection type dimensions of power fittings GB/T 2317:2 Test methods for power fittings Part 2: Corona and radio interference tests GB/T 3190 Chemical composition of deformed aluminum and aluminum alloys GB/T 3880 (all parts) Aluminum and aluminum alloy plates and strips for general industrial use GB/T 5075 Terminology for power fittings DL/T 284 Hot-dip galvanized bolts and nuts for transmission line towers and power fittings DL/T 346 equipment cable clamp DL/T 347 T-type cable clamp DL/T 683 Model naming method for power fittings products DL/T 696 Soft busbar fittings DL/T 697 Hard busbar fittings DL/T 756 Suspension Clamp DL/T 757 Tension Clamp DL/T 759 Connecting hardware DL/T 760:3 Voltage equalizing ring, shielding ring and voltage equalizing shielding ring DL/T 764 Hexagonal head bolts with pin holes in the stem for power fittings DL/T 768:2 Manufacturing quality of power fittings Part 2: Ferrous metal forgings DL/T 768:3 Manufacturing quality of power fittings Part 3: Stamping parts DL/T 768:5 Manufacturing quality of electric power fittings Part 5: Aluminum parts DL/T 768:6 Manufacturing quality of power fittings Part 6: Welded parts and thermal cutting parts DL/T 768:7 Hot-dip galvanizing layer of steel parts for manufacturing quality of power fittings DL/T 1098 Spacer rod technical conditions and test methods DL/T 1343 Closed pins for power fittings ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 31239-2023_English be delivered?

Answer: Upon your order, we will start to translate GB/T 31239-2023_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 31239-2023_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 31239-2023_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.

Question 5: Should I purchase the latest version GB/T 31239-2023?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 31239-2023 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.