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GB/T 39969-2021 English PDF

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US$409.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 39969-2021: Test method of ventilation and rain resistance performance for ventilation louvers of building
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 39969-2021	409	Add to Cart	4 days	Test method of ventilation and rain resistance performance for ventilation louvers of building	Valid

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Basic data

Standard ID: GB/T 39969-2021 (GB/T39969-2021)
Description (Translated English): Test method of ventilation and rain resistance performance for ventilation louvers of building
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: P32
Word Count Estimation: 22,260
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 39969-2021: Test method of ventilation and rain resistance performance for ventilation louvers of building

---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.
Test method of ventilation and rain resistance performance for ventilation louvers of building ICS 91.060.50 P32 National Standards of People's Republic of China Ventilation and rainproof performance of building ventilation shutters Detection method Released on 2021-04-30 2021-11-01 implementation State Administration of Market Supervision and Administration Issued by the National Standardization Management Committee

Foreword Ⅰ 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 Symbol 2 5 Detection principle 3 6 Testing equipment 4 7 Test piece 9 8 Ventilation performance test 9 9 Static rainproof performance test 11 10 Dynamic rainproof performance test 11 11 Test report 14 Appendix A (Normative Appendix) Verification Method of Baffle 15 Appendix B (informative appendix) Test data example 16

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed by the Ministry of Housing and Urban-Rural Development of the People's Republic of China. This standard is under the jurisdiction of the National Standardization Technical Committee for Building Curtain Walls, Doors and Windows (SAC/TC448). Drafting organizations of this standard. China Academy of Building Research Co., Ltd., Jangho Group Co., Ltd., Guangdong Dachao Construction Technology Co., Ltd., Kete Environmental Protection Equipment (Shanghai) Co., Ltd., South China University of Technology, Shandong Zhiying Door and Window System Co., Ltd., Jiangsu Construction Engineering Quality Inspection Center, Shanghai Jianke Inspection Co., Ltd., Guangdong Academy of Building Research Group Co., Ltd., Guangdong Chuanggao Curtain Wall Doors and Windows Engineering Co., Ltd., Gartner Curtain Wall (Shanghai) Co., Ltd. The main drafters of this standard. Shi Qing, Wang Hongtao, Qiu Ming, Yan Qiang, Han Weichi, Sun Meifeng, Hou Yuanyuan, Huang Youjiang, Chen Yongqin, Zhang Xichen, Liu Huitao, Meng Qinglin, Wang Lingjun, Sun Jin, Yue Peng, Mo Zhuokai, Zhang Heshan, Qiu Jiangyu, Shen Jun. Ventilation and rainproof performance of building ventilation shutters Detection method

1 Scope

This standard specifies the terms and definitions, symbols, testing principles, and testing equipment for the testing methods for ventilation and rainproof performance of ventilation shutters for buildings. Equipment, test pieces, ventilation performance testing, static rainproof performance testing, dynamic rainproof performance testing and testing reports. This standard applies to laboratory testing methods for ventilation and rainproof performance of ventilation shutters for buildings. The detection object is limited to building ventilation The blind test piece itself does not involve the connection between the building ventilation blind and the enclosure structure.

2 Normative references

The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article Pieces. For undated reference documents, the latest version (including all amendments) is applicable to this document. GB/T 5823 Terminology for building doors and windows

3 Terms and definitions

The following terms and definitions defined in GB/T 5823 apply to this document. 3.1 Ventilation shutters ventilationlouvers Blinds whose main function is ventilation. [GB/T 39968-2021, definition 3.1] 3.2 Louverfreearea The smallest area where air passes through the blinds. [GB/T 39968-2021, definition 3.9] 3.3 Ventilation zone flow rate freeareavelocity The speed of airflow through the louvered ventilation area. [GB/T 39968-2021, definition 3.12] 3.4 Louvercorearea The area enclosed by the inner edge of the louver window frame. [GB/T 39968-2021, definition 3.8] 3.5 Core area flow velocity coreareavelocity The speed of airflow through the core area of the blinds. Note. The velocity in the core area is the air flow through the louver divided by the area of the louver core. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 39969-2021_English be delivered?

Answer: Upon your order, we will start to translate GB/T 39969-2021_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 39969-2021_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 39969-2021_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.