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GB/T 33633-2017 English PDF

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US$479.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 33633-2017: Vacuum technology -- Positive-displacement vacuum pump -- Measurement of water vapour tolerance
Status: Obsolete

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 33633-2017	479	Add to Cart	3 days	Vacuum technology -- Positive-displacement vacuum pump -- Measurement of water vapour tolerance	Obsolete

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Basic data

Standard ID: GB/T 33633-2017 (GB/T33633-2017)
Description (Translated English): Vacuum technology -- Positive-displacement vacuum pump -- Measurement of water vapour tolerance
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J78
Classification of International Standard: 23.160
Word Count Estimation: 12,170
Date of Issue: 2017-05-12
Date of Implementation: 2017-12-01
Quoted Standard: GB/T 3163
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies a gas conversion measurement method for the volumetric vacuum pump water vapor tolerance. This standard applies to pumps in straight air and with a base pressure of less than 100 Pa.

GB/T 33633-2017: Vacuum technology -- Positive-displacement vacuum pump -- Measurement of water vapour tolerance

---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 - Positive-displacement vacuum pump - Measurement of water vapour tolerance ICS 23.160 J78 National Standards of People's Republic of China Vacuum technology volume vacuum pump Measurement of water vapor tolerance 2017-05-12 released 2017-12-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China China National Standardization Management Committee released Directory Preface III 1 Scope 1 2 normative reference document 1 3 Terms and definitions 1 4 device 2

5 Measurement of water vapor tolerance

Appendix A (informative) Water saturated vapor pressure 7 Appendix B (informative) Water vaporization of water 8 Appendix C (informative) Calculation of water vapor extraction

Foreword

This standard is drafted in accordance with the rules given in GB/T 1.1-2009. This standard is proposed by the China Machinery Industry Federation. This standard is under the jurisdiction of the National Vacuum Technology Standardization Technical Committee (SAC/TC18). The drafting unit. Zhejiang Vacuum Equipment Group Co., Ltd., Zhejiang Feiyue Electrical and Mechanical Co., Ltd., Hefei Zhixian Optoelectronic Technology Co., Ltd. Division, Zibo Vacuum Equipment Co., Ltd., Dongguan Jin Sheng Precision Components Co., Ltd., Shandong Bozhong Vacuum Equipment Co., Ltd., Taizhou Global Vacuum Equipment Manufacturing Co., Ltd., Zibo City electromechanical pump Product Quality Inspection Research Institute, Shenyang Institute of Vacuum Technology. The main drafters of this standard. Wang Xilong, Luo Gensong, Xu Tao, Zhong Yunhui, Jiang Yourong, Liu Lei, Zhang Chengguang, Hu Mei, Xu Fajian, Wang Changming, Zhang Wei, Guo Jinguang, Zhao Weisheng, Zhao Jichun, Jiang Yunfeng, Ma Kunyan, Wang Lingling. Vacuum technology volume vacuum pump Measurement of water vapor tolerance

1 Scope

This standard specifies a gas conversion measurement method for the volumetric vacuum pump water vapor tolerance. This standard applies to straight air, and the base pressure of less than 100Pa pump.

2 normative reference documents

The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article Pieces. For undated references, the latest edition (including all modifications) applies to this document. Vacuum Technology Terminology GB/T

3 terms and definitions

The following definitions and definitions as defined in GB/T 3163 apply to this document. 3.1 Gas town gasbalast An appropriate amount of non-condensable gas (town gas) is introduced into the compression chamber of the pump to avoid or reduce the generation of cold in the compressed process A method of condensate. 3.2 Gas volume volumeflow rate ofbalastgas The volume of the town gas in the pump compression chamber is introduced per unit time. Note. The unit is L/s. 3.3 Water vapor tolerance watervapourtolerance pw Standard environmental conditions (temperature 293K, atmospheric pressure 101325Pa, relative humidity 65%), the continuous operation of the pump does not occur when the condensation Can extract the maximum inlet pressure of water vapor. Note. The unit is Pa. 3.4 Saturated vapor pressure saturationvapourpressure ps At some temperature, the liquid and gas phase in the equilibrium state of the pressure. Note. The unit is Pa. 3.5 Water vapor saturation temperature watervapoursaturationtemperature Corresponds to the temperature at which the water vapor is saturated. Note. The unit is K. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 33633-2017_English be delivered?

Answer: Upon your order, we will start to translate GB/T 33633-2017_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 33633-2017_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 33633-2017_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.