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GB/T 39969-2021: Test method of ventilation and rain resistance performance for ventilation louvers of building
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 39969-2021 | English | 409 |
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Test method of ventilation and rain resistance performance for ventilation louvers of building
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GB/T 39969-2021
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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
Table of contents
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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