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JG/T 491-2016: Metal wire mesh cable tray for building
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| JG/T 491-2016 | English | 509 |
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Metal wire mesh cable tray for building
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JG/T 491-2016
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Basic data | Standard ID | JG/T 491-2016 (JG/T491-2016) | | Description (Translated English) | Metal wire mesh cable tray for building | | Sector / Industry | Building & Construction Industry Standard (Recommended) | | Classification of Chinese Standard | K31 | | Classification of International Standard | 33.120.99 | | Word Count Estimation | 22,210 | | Date of Issue | 2016-06-01 | | Date of Implementation | 2016-12-01 | | Quoted Standard | GB/T 228.1; GB/T 699; GB/T 2518; GB/T 9799; GB/T 10125; GB/T 13384; GB/T 13912; GB/T 18684; GB/T 20878; GB/T 21762 | | Regulation (derived from) | Ministry of Housing and Urban - Rural Development Notice No. 1118 of 2016 | | Issuing agency(ies) | Ministry of Housing and Urban-Rural Development of the People's Republic of China | | Summary | This standard specifies the terms and definitions, classifications and codes, materials, requirements, test methods, inspection rules, marking, packaging, transportation and storage requirements for metal mesh cable trusses for buildings. This standard applies to civil and industrial buildings indoor and outdoor metal mesh cable tray. | JG/T 491-2016: Metal wire mesh cable tray for 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.
Metal wire mesh cable tray for building
ICS 33.120.99
K31
People's Republic of China building industry standards
Building grid with metal cable tray
2016-06-01 released
2016-12-01 implementation
Ministry of Housing and Urban-Rural Development, People's Republic of China released
Directory
Preface Ⅰ
1 Scope 1
2 Normative references 1
3 Terms and definitions 1
4 classification and code 2
5 material 3
6 Requirements 3
7 Test Method 6
8 Inspection rules 10
9 logo, packaging, transportation and storage 11
Appendix A (Normative) Mesh metal cable tray straight line manufacturing accuracy requirements and measurement methods 12
Appendix B (Informative) Division of corrosive environment and the use of different environments choose 14
Appendix C (Normative) Welding Tensile Strength Test
Appendix D (Normative) Method for applying a uniform load during a safe working load test
Appendix E (Normative) Examples of permissible deformation 18
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard proposed by the Ministry of Housing and Urban Standard and Design Institute.
This standard by the Ministry of Housing and Urban Construction Electric Standardization Technical Committee.
This standard is drafted by. Legrand Low Voltage Electrical (Wuxi) Co., Ltd.
Participated in the drafting of this standard. China Architectural Design Institute Co., Ltd., China Academy of Building Research.
The main drafters of this standard. Gao Jie, Ma Chaoqun, Yang Tao Feng, Pan Lixin, strong Ying Jie, Zhang Qing, Huang Chao, Song Hongxin.
Building grid with metal cable tray
1 Scope
This standard specifies the terms and definitions, classification and code, materials, requirements, test methods, inspection rules
Then, signs, packaging, shipping and storage requirements.
This standard applies to civil and industrial buildings indoor and outdoor network of metal cable tray.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version applies to this article
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 228.1 Tensile testing of metallic materials - Part 1. Room temperature test method
GB/T 699 high-quality carbon structural steel
GB/T 2518 continuous hot dip galvanized steel sheet and strip
GB/T 9799 metal and other inorganic coating steel zinc treated zinc plating
GB/T 10125 artificial atmosphere corrosion test salt spray test
GB/T 13384 mechanical and electrical product packaging General technical conditions
GB/T 13912 metal - coated steel parts hot - dip galvanized coating technical requirements and test methods
GB/T 18684 zinc-chromium coating technical conditions
GB/T 20878 stainless steel and heat-resistant steel grades and chemical composition
GB/T 21762 cable management cable tray system and cable ladder system
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Mesh metal cable tray (WM) metalwiremeshcabletray
By the network of metal cable tray straight line and connector components connected components.
3.2
Mesh metal cable tray straight section metalwiremeshcabletraylength
The metal mesh is integrally formed by bending one bottom surface and two side surfaces of the groove for carrying the cable.
3.3
Metal mesh metalwiremeshgrating
By the horizontal and vertical wire at a certain distance in the form of orthogonal combination of flat components formed by welding.
3.4
Connecting device connectingdevice
It is used to connect the ends of straight sections of a mesh metal cable tray to form the necessary fittings for a continuous rigid structural system.
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