GB 5135.5-2018 PDF English
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| GB 5135.5-2018 | English | 439 |
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Automatic sprinkler systems -- Part 5: Deluge alarm valves
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| GB 5135.5-2003 | English | 479 |
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GB 5135.5-2018: Automatic sprinkler systems -- Part 5: Deluge alarm valves---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GB5135.5-2018
Automatic sprinkler systems--Part 5. Deluge alarm valves
ICS 13.220.10C84
National Standards of People's Republic of China
GB 5135.5-2018 replaces GB 5135.5-2003
Automatic sprinkler system
Part 5. Rain alarm valve
Published on.2018-06-07
2019-01-01 implementation
State market supervision and administration
China National Standardization Administration issued
Content
Foreword III
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Classification and code 2
5 Model 2
6 Requirements 3
6.1 Appearance, logo 3
6.2 Specifications 3
6.3 rated working pressure 3
6.4 Material corrosion resistance 3
6.5 Body and bonnet 3
6.6 Parts 3
6.7 Clearance (applicable to pusher type rain alarm valve) 4
6.8 Connection method 4
6.9 Rigid non-metallic parts 4
6.10 Rubber seals 4
6.11 Solenoid valve 5
6.12 Body strength 5
6.13 Leakage and deformation 5
6.14 Hydraulic friction 5
6.15 Function 5
6.16 Anti-reset (except for temperature-sensitive deluge valves) 6
6.17 Fire resistance 6
7 Test method 6
7.1 Appearance inspection 6
7.2 Working cycle test 6
7.3 Air aging test for rigid non-metallic parts 7
7.4 Warm water aging test for rigid non-metallic parts 7
7.5 Rubber seal test 7
7.6 Solenoid valve test 7
7.7 Valve body strength test 7
7.8 Leakage and deformation test 8
7.9 Hydraulic friction test 8
7.10 Functional Test 8
7.11 Anti-reset test 9
7.12 Fire Test 10
8 Inspection rules 11
8.1 Inspection classification 11
8.2 Group Batch 11
8.3 Sampling 11
8.4 Inspection procedures 11
8.5 Test result determination 12
9 logo, instruction manual 13
9.1 Mark 13
9.2 User Manual 14
10 Packaging, transportation and storage 14
Appendix A (Normative Appendix) Hydraulic Friction Test Method 15
Foreword
Chapters 6 and 8 of this section are mandatory and the rest are recommended.
GB 5135 "Automatic Sprinkler System" is divided into the following sections.
--- Part 1. Sprinklers;
--- Part 2. Wet alarm valve, retarder, hydraulic alarm bell;
---Part 3. Water spray nozzles;
---Part 4. Dry alarm valve;
---Part 5. Rain alarm valve;
--- Part 6. General purpose valves;
--- Part 7. Water flow indicator;
--- Part 8. Accelerator;
---Part 9. Early suppression fast response (ESFR) nozzles;
---Part 10. Pressure switch;
--- Part 11. Grooved pipe joints;
--- Part 12. Expanding the coverage area sprinklers;
---Part 13. Water curtain nozzles;
---Part 14. Preaction devices;
---Part 15. Household sprinklers;
---Part 16. Fire sprinkler hose;
---Part 17. Pressure reducing valve;
---Part 18. Fire-fighting pipe hangers;
---Part 19. Plastic pipes and fittings;
---Part 20. Coating steel pipes;
--- Part 21. End water test device;
--- Part 22. Special application nozzles;
This part is the fifth part of GB 5135.
This part is drafted in accordance with the rules given in GB/T 1.1-2009.
This part replaces GB 5135.5-2003 "Automatic sprinkler system Part 5. Rain alarm valve". And GB 5135.5-2003
In contrast to the editorial changes, the main technical changes are as follows.
--- Add and modify some of the definitions (see Chapter 3, Chapter 3 of the.2003 edition);
--- Increased product classification and model preparation (see Chapter 4, Chapter 5);
--- Revised the "corrosion resistance of materials" requirements (see 6.4, 4.4 of the.2003 edition);
---Modified parts requirements (see 6.6, 4.6 of the.2003 edition);
--- Increased the connection method requirements (see 6.8);
--- Modified the valve seal requirements (see 6.10, 4.8 of the.2003 edition);
--- Modified the hydraulic friction parameters (see 6.14, 4.11 of the.2003 edition);
---Modified functional requirements (see 6.15, 4.12 of the.2003 edition);
--- Increased the requirements of solenoid valves (see 6.11);
--- Increased anti-reset requirements (see 6.16);
--- Increased the test method corresponding to some requirements (see Chapter 7, Chapter 5 of the.2003 edition);
--- Revised inspection rules (see Chapter 8, Chapter 6 of the.2003 edition).
This part is proposed and managed by the Emergency Management Department of the People's Republic of China.
This section drafted by. Ministry of Public Security Tianjin Fire Research Institute, Guangdong Yongquan Valve Technology Co., Ltd., Zhejiang Qida Fire Technology Co., Ltd.
Division, Victaulic Pipeline Equipment (Dalian) Co., Ltd., Tyco Fire Equipment Trading (Shanghai) Co., Ltd.
The main drafters of this section. Bai Diantao, Luo Zongjun, Tian Liwei, Yang Zhenming, Liu Lianxi, Li Yi, Wang Yiqing, Lu Zhengqiang, Malacca, Chen Jianming,
Chen Fangming, Li Zhenghong, Chen Qizhang, Zhao Lei.
The previous versions of the standards replaced by this section are.
---GB 5135.5-2003.
Automatic sprinkler system
Part 5. Rain alarm valve
1 Scope
This part of GB 5135 specifies the terms and definitions, classification and code, model, requirements, test methods, inspection rules,
Logo, instruction manual and packaging, transportation and storage.
This section applies to the rain alarm valve used in the sprinkler system.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 3287 malleable cast iron pipe joint
GB 5135.1 Automatic sprinkler systems - Part 1. Sprinklers
GB 5135.6 Automatic sprinkler systems - Part 6. General purpose valves
GB 5135.11 Automatic sprinkler systems - Part 11. Grooved fittings
GB/T 9112 Steel Pipe Flange Types and Parameters
GB/T 9969 General guidelines for the use of industrial products
GB/T 17241.6 integral cast iron flange
GB/T 21873-2008 Specification for interface seals for rubber seals, drains and sewers
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Opened by electric, mechanical, pneumatic or other means, so that water can automatically flow into the water spray system in one direction and simultaneously alarm
Kind of control valve.
3.2
The valve assembly of the rain alarm valve installed in the pipeline system is in the closed position, and the water supply side of the valve is filled with pressure-stabilized water, without water
The state that flows out from the side of the rain alarm valve system.
3.3
A locking mechanism that prevents the flap assembly from returning to its closed position after actuation.
3.4
The operating point of the rain alarm valve to allow water to enter the sprinkler system is indicated by the system side, the water supply side or the auxiliary pressure.
3.5
3.6
The alarm valve is automatically opened.
3.7
Dynamic, pneumatic or mechanical starting methods allow the piston chamber or diaphragm cavity to be depressurized.
3.8
The valve is opened by the electric, pneumatic or mechanical starting method to make the water supply side pressure water enter the piston cavity or the diaphragm cavity through the pressure bearing area difference.
carry out.
3.9
3.10
3.11
A portion of the valve separates the surface of the air and/or water seal assembly. When the valve is in the servo state, the chamber pressure is normal atmospheric pressure.
4 Classification and code
4.1 Rain alarm valve can be divided into.
a) Pusher type, codenamed "G";
b) diaphragm type, codenamed "M";
c) Piston type, codenamed "S";
d) butterfly valve type, codenamed "D";
e) Warm type, codenamed "W".
4.2 Rain alarm valve can be divided into. according to the starting mode.
a) Pressurized, codenamed “J”;
b) Decompression type, code omitted.
5 models
The model of the rain alarm valve is in turn the product code, structure form code, nominal diameter, rated working pressure, start mode code and type.
The feature code is composed of parts such as the following.
ZSF
Automatic sprinkler system rain shower alarm valve
Structural form code, see 4.1
Nominal diameter in millimeters (mm)
Rated working pressure in MPa (MPa)
Startup mode code, see 4.2
Type feature code (enterprise custom, can be omitted)
Example 1.
ZSFG100-1.2C1 means C1 type, decompression start, rated working pressure 1.2MPa, nominal diameter 100mm, push rod type rain shower alarm valve.
Example 2.
ZSFS150-1.6JXSW stands for XSW type, pressurized start, rated working pressure 1.6MPa, nominal diameter 150mm, piston type rain shower alarm valve.
6 requirements
6.1 Appearance, logo
6.1.1 The rain alarm valve should be smooth and smooth, free of processing defects and scratches, uniform coating and beautiful color.
6.1.2 The rain alarm valve shall be provided with a durability sign on the outer surface. The content of the mark shall be clear and in accordance with the provisions of 9.1.
6.2 Specifications
Raindrop alarm valve inlet and outlet nominal diameter is 25mm, 32mm, 40mm, 50mm, 65mm, 80mm, 100mm, 125mm,
150mm,.200mm, 250mm, 300mm.
The diameter of the seat ring can be smaller than the nominal diameter.
6.3 rated working pressure
The rated working pressure of the rain alarm valve should not be lower than 1.2MPa.
6.4 Material corrosion resistance
6.4.1 The valve body and bonnet shall be made of materials with corrosion resistance not lower than that of cast iron. The corrosion resistance of the seat material shall not be lower than that of bronze.
6.4.2 If the seat of the diaphragm type rain shower alarm valve is made of material with lower corrosion resistance than bronze, the surface of the seat should be treated with anti-corrosion treatment, and
The test shall be carried out in accordance with the provisions of 7.4 and shall comply with the provisions of 6.12 and 6.15 after the test.
6.4.3 Metal parts requiring rotation or sliding shall be made of corrosion-resistant materials such as bronze, nickel-copper alloy, brass, austenitic stainless steel. If
...
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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