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GB/T 36176-2018 English PDF

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US$319.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 36176-2018: Vacuum technology -- Vacuum leak testing method by helium mass spectrometer
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 36176-2018	319	Add to Cart	4 days	Vacuum technology -- Vacuum leak testing method by helium mass spectrometer	Valid

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Basic data

Standard ID: GB/T 36176-2018 (GB/T36176-2018)
Description (Translated English): Vacuum technology -- Vacuum leak testing method by helium mass spectrometer
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J78
Classification of International Standard: 23.160
Word Count Estimation: 16,179
Date of Issue: 2018-05-14
Date of Implementation: 2018-12-01
Regulation (derived from): National Standards Announcement No. 6 of 2018
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 36176-2018: Vacuum technology -- Vacuum leak testing method by helium mass spectrometer

---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.
(Vacuum Technology 氦 Mass Spectrometer Vacuum Leak Detection Method) ICS 23.160 J78 National Standards of People's Republic of China Vacuum technology 氦 mass spectrometry vacuum leak detection method Published on.2018-05-14 2018-12-01 implementation State market supervision and administration China National Standardization Administration issued

Content

Foreword III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 General requirements 2 4.1 Staff qualification 2 4.2 Equipment Requirements 2 4.3 Helium 2 4.4 Environmental Requirements 2 5 leak detection method 2 5.1 blowing method 2 5.2 Cover method 6 5.3 Pressure-vacuum leak detection method 9 6 leak detection file 11 6.1 Leak Detection Record 11 6.2 Leak Detection Report 11 Appendix A (Normative Appendix) Leak Detection Record 12 Appendix B (Normative Appendix) Leak Detection Report 13

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed by the China Machinery Industry Federation. This standard is under the jurisdiction of the National Vacuum Technology Standardization Technical Committee (SAC/TC18). This standard was drafted. Beijing Satellite Environmental Engineering Research Institute, Anhui Puyi Technology Co., Ltd., Ningbo Laibao Vacuum Automation Technology Technology Co., Ltd., Hunan Weige Magnetic Fluid Co., Ltd., Shenyang Vacuum Technology Research Institute. The main drafters of this standard. Wang Yong, Meng Donghui, Sun Lichen, Yan Rongxin, Shi Jijun, Huang Wenping, Wang Guodong, Hu Mei, Ren Guohua, Sun Wei, Shao Rongping, Lu Ming, Zhang Chunyuan, Dou Renchao, Yan Jichun, Wang Gongfa, Yan Wenjing, Peng Guangdong, Sun Gang, Sun Wei, Jing Jiarong, Li Bin, Wang Lingling. Vacuum technology 氦 mass spectrometry vacuum leak detection method

1 Scope

This standard specifies the general requirements for the implementation of helium mass spectrometry vacuum leak detection methods. Three commonly used helium mass spectrometry vacuum leak detection methods are applied to Requirements for system composition, leak detection procedures, etc. and requirements for leak detection documents. This standard applies to components, components, subsystem-level and system-level products that use the helium mass spectrometer vacuum leak detection method in various industries.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 3163 vacuum technical terminology GB/T 4844 pure tantalum, high purity tantalum and ultra pure tantalum GB/T 9445 Non-destructive testing personnel qualification and certification GB/T 12604.7 Non-destructive testing term leak detection GB/T 13979 mass spectrometer leak detector

3 Terms and definitions

The following terms and definitions as defined in GB/T 3163 and GB/T 12604.7 apply to this document. 3.1 Waiting time waitingtime The interval between two tests. 3.2 Leak test sensitivity leaktestingsensitivity Qemin The minimum leak leak rate that can be detected by the leak detection system under specific working conditions. 3.3 Spray method sprayprobemethod A helium mass spectrometer leak detection method in which a helium gas beam of a known concentration is sprayed on a surface of a test piece by a spray gun. 3.4 A cesium mass spectrometer leak detection method in which the test piece is partially or completely covered and the cover is filled with helium gas of a known concentration. 3.5 Pressure-vacuum leak detection method pressure-vacuumchambermethod The helium-filled test piece is placed in a vacuum chamber and pumped to a predetermined degree of vacuum. Under the pressure difference, helium gas enters the vacuum chamber through the leak point. The method of being tested by the leak detector. 3.6 Sniffer method sniffingprobemethod The test piece is filled with helium gas of a certain pressure, and a sniffer connected to the helium mass spectrometer leak detector is used to sniff the surface of the test piece to leak out of the helium gas. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 36176-2018_English be delivered?

Answer: Upon your order, we will start to translate GB/T 36176-2018_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 36176-2018_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 36176-2018_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.