Home Cart Quotation About-Us
www.ChineseStandard.net
SEARCH

GB/T 41822-2022 English PDF

Q: How long will the true-PDF of English version of GB/T 41822-2022 be delivered?

Upon your order, we will start to translate GB/T 41822-2022_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 41822-2022_English with my colleagues?

Yes. The purchased PDF of GB/T 41822-2022_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

Q: Do you accept my currency other than USD?

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.

US$189.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 41822-2022: Hot helium leak test methods for high temperature pressure-bearing components in nuclear fusion reactors
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 41822-2022	189	Add to Cart	3 days	Hot helium leak test methods for high temperature pressure-bearing components in nuclear fusion reactors	Valid

Similar standards

NB/T 20332 NB/T 20325.1 GB/T 44647 GB/T 41821

Basic data

Standard ID: GB/T 41822-2022 (GB/T41822-2022)
Description (Translated English): Hot helium leak test methods for high temperature pressure-bearing components in nuclear fusion reactors
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: F60
Classification of International Standard: 27.120
Word Count Estimation: 10,130
Date of Issue: 2022-10-14
Date of Implementation: 2023-05-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 41822-2022: Hot helium leak test methods for high temperature pressure-bearing components in nuclear fusion reactors

---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.
Hot helium leak test methods for high temperature pressure-bearing components in nuclear fusion reactors ICS 27.120 CCSF60 National Standards of People's Republic of China Thermal helium leak detection method for high temperature pressure-bearing components of nuclear fusion reactors Published on 2022-10-12 2023-05-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration directory Preface I 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Symbol 1 5 General Requirements 2 6 Thermal Helium Leak Detection Test Equipment 3 7 Vacuum thermal helium leak detection test process 5 8 Test report 7

foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents" drafted. Please note that some content of this document may be patented. The issuing agency of this document assumes no responsibility for identifying patents. This document is proposed and managed by the National Nuclear Energy Standardization Technical Committee (SAC/TC58). This document is drafted by. Southwest Institute of Physics of Nuclear Industry, Chengdu Guoguang Electric Co., Ltd., Institute of Nuclear Industry Standardization. The main drafters of this document. Chen Jiming, Leng Zhen, Wang Pinghuai, Zhou Yi, Shen Liru, Jin Fanya, Wang Kun, Li Ning, Li Yufang, Pan Jianjun, Yu Haoyang. Thermal helium leak detection method for high temperature pressure-bearing components of nuclear fusion reactors

1 Scope

This document describes the helium leak detection test method for high temperature pressure-bearing components of nuclear fusion reactors at high temperature and under high pressure helium pressure inside. This document is applicable to high temperature pressure-bearing parts of nuclear fusion reactors, vacuum chamber parts of fusion reactors, vacuum sealed structural parts and other parts operating in high temperature environment It can be used for the tightness test of components under ambient conditions, and the tightness test of high temperature or high temperature pressure-bearing components in other fields.

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document. GB/T 150.4-2011 Pressure Vessels Part 4.Manufacture, Inspection and Acceptance GB/T 9445 Qualification and Certification of Nondestructive Testing Personnel GB/T 12604.7-2021 Non-destructive testing term leak detection GB/T 40335-2021 Non-destructive testing leak detection tracer gas method NB/T 47013.8-2012 Non-destructive testing of pressure equipment - Part 8.Leak detection

3 Terms and Definitions

The terms and definitions defined in GB/T 12604.7-2021 and the following apply to this document. 3.1 A steady or fluctuating leak detector output signal due to residual tracer gas or other substances in the detector response. 3.2 background noise backgroundnoise The maximum change in the amplitude of the background leak rate within 5 minutes after the background leak rate is stabilized. Note. Occasional large pulse values are not taken into account. 3.3 hot helium leak test Helium leak detection test performed at high temperature (greater than 80°C) of the tested part. Note. The test temperature is determined according to the actual operating conditions of the component under test or user requirements.

4 symbols

The following symbols apply to this document. C. Purity of helium, %. D. System error, %. In. noise floor, Pa·m3/s. ......

Image

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 41822-2022_English be delivered?

Answer: Upon your order, we will start to translate GB/T 41822-2022_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 41822-2022_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 41822-2022_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.