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GB 4452-2011: Outdoor fire hydrant
Status: Valid GB 4452: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB 4452-2011 | English | 419 |
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3 days [Need to translate]
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Outdoor fire hydrant
| Valid |
GB 4452-2011
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| GB 4452-1996 | English | 239 |
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2 days [Need to translate]
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General technical specification for hydrant
| Obsolete |
GB 4452-1996
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| GB 4452.1-1984 | English | 199 |
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2 days [Need to translate]
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Aboveground hydrant
| Obsolete |
GB 4452.1-1984
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PDF similar to GB 4452-2011
Basic data | Standard ID | GB 4452-2011 (GB4452-2011) | | Description (Translated English) | Outdoor fire hydrant | | Sector / Industry | National Standard | | Classification of Chinese Standard | C84 | | Classification of International Standard | 13.220.10 | | Word Count Estimation | 18,144 | | Date of Issue | 2011-12-30 | | Date of Implementation | 2012-06-01 | | Older Standard (superseded by this standard) | GB 4452-1996; GB 4453-1984 | | Quoted Standard | GB/T 197; GB/T 230.1; GB/T 699; GB/T 1173; GB/T 1176; GB/T 1348; GB/T 1804; GB/T 7307; GB/T 9439; GB 12514.1; GB 12514.2 | | Regulation (derived from) | Announcement of Newly Approved National Standards No. 23 of 2011 | | 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 Chinese standard specifies the terms and definitions outdoor fire hydrant, product classification, technical requirements, test methods, inspection rules, marking and packaging. This standard applies to fire water supply in a variety of outdoor fire hydrant pipes and accessories. | GB 4452-2011: Outdoor fire hydrant---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.
Outdoor fire hydrant
ICS 13.220.10
C84
National Standards of People's Republic of China
Replacing GB 4452-1996, GB 4453-1984
Outdoor fire hydrant
Issued on. 2011-12-30
2012-06-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
The standard Chapter 5, Chapter 7, Chapter 8 is mandatory, the rest are recommended.
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
This standard replaces GB 4452-1996 "outdoor fire hydrant General technical conditions" and GB 4453-1984 "fire hydrant connector." versus
GB 4452-1996 compared to, in addition to editorial changes outside the main technical changes are as follows.
--- Increasing the terminology hydrant (see Chapter 3 of this edition);
--- Increased fire hydrant structural requirements (see this edition 5.1);
--- Increased foam fire hydrant (see this edition 5.2.5);
--- The performance has been modified over the water discharge means (see this edition 5.9; 1996 version 4.8);
--- Increasing the collision-type ground hydrant (see Excerpts 5.11);
--- Increased surge-type fire hydrant (see Excerpts 5.12);
--- Type decompression regulator fire hydrant increased (see this edition 5.13);
--- Increased folding hydrant (see Excerpts 5.14);
--- The inspection rule has been modified (see Chapter 7 edition; 1996 version of Chapter 6);
--- Integration of GB 4453 fire hydrant connector requirements (see the edition of Appendix A);
--- Increased fire hydrant wrench requirements (see the edition of Appendix B).
The standard proposed by the People's Republic of China Ministry of Public Security.
This standard by the National Standardization Technical Committee appliances Fire Fire accessories Technical Committee (SAC/TC113/SC5) centralized.
This standard was drafted. Shanghai Fire Research Institute of Ministry of Public Security.
The main drafters of this standard. Xuyao Liang, Yang Xiaohua, Cao Jiasheng, Ling Xinliang, Chen Gang, An ice.
This standard replaces the standards previously issued as follows.
--- GB 4452.1-1984, GB 4452.2-1984, GB 4452.3-1984, GB 4452-1996;
--- GB 4453-1984.
Outdoor fire hydrant
1 Scope
This standard specifies the terms and definitions of the outdoor fire hydrant, product classifications, technical requirements, test methods, inspection rules, signs and packaging.
This standard applies to all kinds of fire water pipe outdoor fire hydrant (hereinafter referred to as fire hydrants) and its annex.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 197 common thread tolerance
GB/T 230.1 metallic materials - Rockwell hardness test - Part 1. Test methods (A, B, C, D, E, F, G, H, K, N, T
Ruler)
GB/T 699 high-quality carbon structural steel
GB/T 1173 aluminum alloy casting
GB/T 1176 Cast Copper Alloys conditions
GB/T 1348 Ductile Iron
GB/T 1804 General tolerances Tolerances for linear and angular dimensions without individual tolerance
GB/T 7307 55 ° non-sealing pipe thread
GB/T 9439 Gray Iron Castings
GB 12514.1 fire interface - Part 1. General technical conditions for fire interface
Fire Interface Part 2 GB 12514.2. Fire button within the interface and basic parameters
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
Ground fire hydrant postfirehydrant
And the supply line is connected by a valve, the outlet and plug body and other components, and the valve, the outlet portion of the housing above the ground and fire service (or
Foam mixture) devices.
3.2
Underground fire hydrant flushfirehydrant
Connected with the supply line from the valve, the outlet and plug body and other components, and installation of underground fire service (or foam mixture) devices.
3.3
Collision-type ground hydrant crashworthypostfirehydrant
After that crash, only a fracture of the shank member and the valve is not damaged, and to ensure that one kind of ground water leaking fire hydrant.
3.4
Decompression regulator fire hydrant type pressurereducing-stabilizedfirehydrant
Inlet pressure within a predetermined range can be reduced to a certain outlet pressure, outlet pressure and resorted to automatically maintain a stable fire hydrant.
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