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GB 5135.6-2018 English PDF

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GB 5135.6-2018: Automatic sprinkler system -- Part 6: Conventional valves
Status: Valid

GB 5135.6: Historical versions

Standard IDUSDBUY PDFLead-DaysStandard Title (Description)Status
GB 5135.6-2018679 Add to Cart 6 days Automatic sprinkler system -- Part 6: Conventional valves Valid
GB 5135.6-2003679 Add to Cart 4 days Automatic sprinkler system -- Part 6: Convention valve Obsolete

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Basic data

Standard ID: GB 5135.6-2018 (GB5135.6-2018)
Description (Translated English): Automatic sprinkler system -- Part 6: Conventional valves
Sector / Industry: National Standard
Classification of Chinese Standard: C84
Classification of International Standard: 13.220.10
Word Count Estimation: 34,346
Date of Issue: 2018-02-06
Date of Implementation: 2018-09-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB 5135.6-2018: Automatic sprinkler system -- Part 6: Conventional valves

---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.
Automatic sprinkler system-Part 6. Conventional valves ICS 13.220.10 C84 National Standards of People's Republic of China Replace GB 5135.6-2003 Automatic sprinkler system Part 6. General purpose valves Published on.2018-02-06 2018-09-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China China National Standardization Administration issued

Content

Foreword III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Category 2 5 Model 2 5.1 Model Preparation Method 2 5.2 System Code 3 5.3 Product Name Code 3 5.4 Drive Mode Code 3 5.5 Connection form code 4 5.6 Body material code 4 5.7 Specification Code 4 5.8 rated working pressure code 4 6 Requirements 4 6.1 General requirements 4 6.2 Fire Gate Valve 5 6.3 Fire Ball Valve 7 6.4 Fire protection solenoid valve 8 6.5 Fire Butterfly Valve 9 6.6 Fire stop valve 9 6.7 Fire signal valve 10 6.8 Fire check valve 10 6.9 Fire grounding gate valve 12 7 Test method 13 7.1 Visual inspection 13 7.2 Working cycle test 13 7.3 Fire solenoid valve function test 13 7.4 Fire-fighting solenoid valve reliability test 13 7.5 Hot air aging test for rigid non-metallic parts 13 7.6 Warm water aging test for rigid non-metallic parts 13 7.7 Rubber seal test 13 7.8 Valve body strength test 13 7.9 Sealing performance test 13 7.10 Signal Transformation Function Test 14 7.11 Reverse Seal Test 14 7.12 Mechanical strength test 14 7.13 Maximum Operating Torque Test 14 7.14 Opening and closing force test 15 7.15 Hydraulic friction test 15 7.16 Fire check valve for water resistance test 16 7.17 Overload capability test 16 7.18 Withstand voltage test 16 7.19 Insulation resistance test 16 7.20 Fire-fighting solenoid valve working power test 16 7.21 Contact resistance test 16 8 Inspection rules 16 8.1 Inspection classification and project 16 8.2 Sampling methods and test procedures 17 8.3 Determination of test results 17 9 logo, instruction manual 19 9.1 Mark 19 9.2 User Manual 19 10 Packaging, transportation and storage 19 10.1 Packing 19 10.2 Transportation 20 10.3 Storage 20 Appendix A (Normative) Fire Gate Valve Test Procedures and Sampling Number 21 Appendix B (Normative Appendix) Fire Ball Valve Test Procedures and Number of Samples 22 Appendix C (Normative) Fire Test Valve Test Procedures and Number of Samples 23 Appendix D (Normative Appendix) Fire Butterfly Valve Test Procedures and Number of Samples 24 Appendix E (Normative Appendix) Fire Stop Valve Test Procedures and Number of Samples 25 Appendix F (Normative Appendix) Fire check valve test procedure and number of samples 26 Appendix G (Normative Appendix) Fire-buried gate valve test procedures and sampling quantities 27 Appendix H (Normative Appendix) Fire Signal Valve Test Procedures and Number of Samples 28

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 sixth part of GB 5135. This part is drafted in accordance with the rules given in GB/T 1.1-2009. This part replaces GB 5135.6-2003 "Automatic sprinkler system Part 6. General purpose valves". With GB 5135.6-2003 In addition to the editorial changes, the main technical changes are as follows. --- Added some terms and definitions (see Chapter 3); ---Modified the specification (nominal diameter) of the general valve (see 6.1.2, Chapter 5 of the.2003 edition); --- Revised the classification and model of the product (see Chapter 4, Chapter 5, Chapters 4 and 6 of the.2003 edition); --- Revised the material requirements in the standard (see 6.1.4,.2003 version 7.3); --- Increased the connection method requirements (see 6.1.5); --- Modified parameters for the performance of the disc seal (see 6.1.7, 7.6 of the.2003 edition); --- Increased the drive requirements of the valve (see 6.1.8); --- Increased the minimum outer diameter of the DN300 fire gate valve hand wheel (see 6.2.1.3); --- Increased the maximum operating torque requirements for fire gate valves (see 6.2.2); ---Modified the mechanical strength requirements of the sluice gate valve (see 6.2.3, 7.3 of the.2003 edition); --- Increased the duty cycle of the fire gate valve (see 6.2.6); --- Increased the reliability requirements of fire-fighting solenoid valves (see 6.4.3), insulation resistance requirements (see 6.4.6), and operating power requirements (see 6.4.7); --- Removed the flow characteristics requirements of the fire solenoid valve (see 7.10.6 of the.2003 edition); --- Modified the fire signal valve signal conversion function requirements (see 6.7.2,.2003 version 7.12.2); --- Increased product performance requirements for fire check valves (see 6.8); --- Increased product performance requirements for fire-buried gate valves (see 6.9); --- Increased the test method corresponding to some requirements (see Chapter 7); --- Revised inspection rules (see Chapter 8, Chapter 9 of the.2003 edition); --- Added and modified some appendices (see Appendix A to Appendix H). This part is proposed and managed by the Ministry of Public Security 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., Shanghai Guanlong Valve Machinery Co., Ltd. Division, Wuhan Daxie Valve Co., Ltd. The main drafters of this section. Bai Diantao, Luo Zongjun, Tian Liwei, Li Ximin, Yang Zhenming, Li Yi, Jing Zikai, Song Zhikun, Chen Jianming, Li Zhenghong, Li Xihong. The previous versions of the standards replaced by this section are. ---GB 5135.6-2003. Automatic sprinkler system Part 6. General purpose valves

1 Scope

This part of GB 5135 specifies the classification, model preparation, requirements, test methods and inspection rules for general purpose valves for automatic sprinkler systems. Then, signs, instructions for use and packaging, transportation, storage. This section applies to general purpose valves used in sprinkler systems.

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. Definition and selection of GB/T 1047 pipe component DN (nominal size) Definition and selection of GB/T 1048 pipe component PN (nominal pressure) GB/T 3737 card sleeve straight pipe joint GB 5135.11 Automatic sprinkler systems - Part 11. Grooved fittings GB/T 7306 (all parts) 55° sealed pipe thread GB/T 9112 Steel Pipe Flange Types and Parameters GB/T 9969 General guidelines for the use of industrial products GB/T 12221 metal valve structure length GB/T 17241.6 integral cast iron flange GB/T 21873-2008 Specification for interface seals for rubber seals, drains and sewers GB/T 25208-2010 Environmental testing method for fixed fire extinguishing system products CJ/T 216 soft sealing gate valve for water supply and drainage

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Rated working pressure ratedworkingpressure The maximum working pressure allowed for a universal valve in either the servo state or the operating state. 3.2 Universal valve conventionalvalve Fire gate valve, fire butterfly valve, fire ball valve, fire stop valve, fire solenoid valve, fire signal used in automatic sprinkler system The general name for valves, fire check valves and fire-buried gate valves. 3.3 Manual valve manualvalve Manually operated handwheel, handle or sprocket driven valves. 3.4 Power driven valve power-drivenvalve Valves driven by various power sources. 3.5 Fire buried gate valve buriedgatevalveforfireprotection A gate valve that is installed on a fire-buried buried pipeline and that is opened and closed on the ground.

4 classification

4.1 General valves can be divided into product names by product name. a) dam gate valve; b) fire ball valve; c) fire butterfly valve; d) fire protection solenoid valve; e) fire stop valve; f) fire signal gate valve; g) fire signal butterfly valve; h) fire signal ball valve; i) fire signal cut-off valve; j) fire check valve; k) Fire burial gate valve. 4.2 Universal valves can be divided into. a) manual drive; b) Power drive (electric drive, pneumatic drive and hydraulic drive, etc.). 4.3 General valves can be divided into. a) threaded connection; b) flange connection; c) the clamp connection; d) clamp connection (groove connection); e) ferrule connection.

5 Model preparation

5.1 Model preparation method The model number of the general valve is as follows. ZS □ □ □-□-□-□-□ Enterprise customization, can be omitted Rated working pressure code, see 5.8 Specification code, see 5.7 Body material code, see 5.6 Connection form code, see 5.5 Drive mode code, see 5.4 Product name code, see 5.3 Automatic sprinkler system code, see 5.2 Example 1. ZSCFD1T-25-16 means. rated working pressure 1.6MPa, nominal diameter 25mm, copper alloy material, internal thread connection, electric drive automatic water spray Fire system fire solenoid valve. Example 2. ZSXDF7Q-100-16 means. rated working pressure 1.6MPa, nominal diameter 100mm, ductile iron material, clip connection, manual drive automatic water spray Fire extinguishing system fire signal butterfly valve. Example 3. ZSNF4Q-150-16 means. rated working pressure 1.6MPa, nominal diameter 150mm, ductile iron material, flange connection, manual drive automatic water spray Fire system fire check valve. 5.2 System Code The system code uses two uppercase Chinese Pinyin "ZS" to indicate the general purpose valve for the sprinkler system. 5.3 Product Name Code The product name code of the general valve is shown in Table 1. Table 1 Product Name Code product name Fire gate Fire Ball valve Butterfly valve Fire The electromagnetic valve Fire Shut-off valve Fire Signal gate valve Fire Signal butterfly valve Fire Signal ball valve Fire signal Shut-off valve Fire Check valve Fire Ground gate valve Code name ZF QF DF CF JZF XZF XDF XQF XJZF NF MZF 5.4 Drive mode code The driving method code of the general valve is shown in Table 2. Table 2 drive mode code Drive mode Power drive Electropneumatic hydraulic Manual Codename DQY omitted 5.5 Connection form code The connection form code of the universal valve inlet and outlet connection is shown in Table 3. Table 3 connection form code Connection Type Thread Internal thread Flange clamp Clamp (groove connection) card cover Code 1 2 4 7 8 9 5.6 Body material code The valve body material code of the general valve is shown in Table 4. Table 4 valve body material code Body material a Carbon steel ductile iron chrome-nickel stainless steel chrome-nickel-molybdenum stainless steel copper and copper alloy Codename CQPRT a Other materials should meet the requirements of the corresponding national standard material grade. 5.7 Specification Code The specification code for a universal valve is expressed as a nominal diameter in millimeters (mm). 5.8 rated working pressure code The rated working pressure code of the universal valve is multiplied by 10 in megapascals (MPa) according to the provisions of GB/T 1048. The resulting value is expressed.

6 requirements

6.1 General requirements 6.1.1 Appearance and logo 6.1.1.1 The surface of the universal valve should be smooth and smooth, free of processing defects and scratches, uniform coating and beautiful color. 6.1.1.2 The valve body should be painted red. 6.1.1.3 The contents of the general valve sign shall comply with the provisions of 9.1. 6.1.2 Nominal size The nominal size of the import and export of general-purpose valves should not exceed 300mm, and should meet the requirements of GB/T 1047. 6.1.3 Rated working pressure The rated working pressure of the universal valve shall not be lower than 1.2 MPa and shall comply with the provisions of GB/T 1048. 6.1.4 Materials 6.1.4.1 The valve body and bonnet of the universal valve shall be made of materials with corrosion resistance not lower than ductile iron, and the corrosion resistance of the seat material Can be no less than bronze. 6.1.4.2 Parts required to rotate or slide in general-purpose valves shall be made of corrosion-resistant materials such as bronze, brass, nickel-copper alloy, etc. When the material with poor corrosion performance is manufactured, the bushing member made of the above corrosion-resistant material should be added at the relative movement. 6.1.5 Connection method 6.1.5.1 When the thread connection method is adopted, the connection size shall comply with the provisions of GB/T 7306. 6.1.5.2 When using flange connection, the flange connection size, flange sealing surface type and size shall comply with GB/T 9112 or The provisions of GB/T 17241.6. 6.1.5.3 When the groove connection method is adopted, the connection size shall comply with the provisions of GB 5135.11. 6.1.5.4 When using the clamp connection method, the connection size shall comply with the provisions of GB/T 12221. 6.1.5.5 When the ferrule connection method is adopted, the connection size shall comply with the provisions of GB/T 3737. 6.1.6 aging resistance of rigid non-metallic parts Rigid non-metallic parts shall be subjected to hot air aging and warm water aging tests in accordance with 7.5 and 7.6, and rigid non-metallic parts after test There should be no distortion, creep, cracks or other deformation damage that would interfere with the normal operation of the device. 6.1.7 Disc seals The valve disc seal shall be tested in accordance with the method specified in 7.7. The test results shall comply with 4.2.3 and 4.2.4 of GB/T 21873-2008. Requirements of 4.2.5.2, 4.2.6, 4.2.8. 6.1.8 Driver Requirements 6.1.8.1 General-purpose valves driven by electric, pneumatic or hydraulic means, the driving device shall ensure that the maximum differential pressure of the valve at the inlet and outlet is not exceeded. It can operate normally under its rated working pressure. 6.1.8.2 Test according to the provisions of 7.2.1, general-purpose valves driven by electric, pneumatic or hydraulic means shall be opened and flexible, drive device And the valve should not show any faults and structural damage. After the test, the sealing performance test shall be carried out, and there shall be no leakage at each seal of the valve. 6.2 Fire Gate Valve 6.2.1 Handwheel 6.2.1.1 Handwheels for the operation of sluice gate valves shall be of the “spoke and rim” type with not more than 6 spokes, closed in a clockwise direction. In the round There should be an obvious arrow indicating the direction of closure and the word "off", or the two-way arrow on and off and the word "on" and "off". 6.2.1.2 The hand wheel should be fixed to the valve stem with a lock nut. 6.2.1.3 The outer diameter of the hand wheel shall not be less than the size shown in Table 5. 6.2.2 Maximum operating torque The test shall be carried out in accordance with the provisions of 7.13. The input torque for the opening or closing of the fire gate valve shall not exceed the requirements of Table 6. 6.2.3 Mechanical strength After the valve stem, gate and yoke frame are tested in accordance with 7.12, the maximum operating torque value applied to the handwheel shall be In accordance with the provisions of Table 7, there should be no damage after the test. Table 5 The smallest outer diameter of the hand wheel is in millimeters Nominal diameter of the sluice gate valve 15, 20 66 Table 6 Maximum operating torque value of fire gate valve Nominal diameter of the sluice gate valve Mm Maximum operating torque value N·m 15, 20 34 Table 7 Mechanical strength torque value Valve nominal diameter Mm Mechanical strength torque value N·m 6.2.4 Body strength The test shall be carried out in accordance with the provisions of 7.8. The fire gate valve shall be capable of withstanding the hydrostatic pressure of 4 times the rated working pressure for 5 min. Fully open, the valve body should be free of leakage, deformation and damage after the test. 6.2.5 Sealing performance 6.2.5.1 When the test is carried out in accordance with the provisions of 7.9, the water inlet port shall be able to withstand 2 times the rated working pressure when the fire gate valve gate is in the closed position. The hydrostatic pressure of the force is maintained for 5 minutes, and there should be no leakage at each seal of the valve. 6.2.5.2 Test according to the provisions of 7.9, when the fire gate valve gate is in the open position, it should be able to withstand 2 times the rated working pressure of still water Press and hold for 5 minutes, there should be no leakage, permanent deformation and damage in the seals of the valve body. 6.2.6 Work cycle After the test according to the provisions of 7.2.1, no part of the pressure bearing parts of the valve shall be permanently deformed, and there shall be no visible leakage at the sealing part. 6.3 Fire Ball Valve 6.3.1 Handwheel and handle 6.3.1.1 The handwheel or handle is turned clockwise to close, and there should be a sign indicating the direction of the switch. The handwheel or handle should have a ball passage. The location of the sign. 6.3.1.2 When the fire ball valve with handle is in the fully open position, the handle should be parallel to the ball passage. 6.3.1.3 The handle or handwheel should be securely installed for easy removal or replacement. 6.3.1.4 Fire ball valves shall have full open and fully closed position limit devices. 6.3.2 Opening and closing force The opening and closing force test is carried out according to the method specified in 7.14. Under the condition that the pressure difference between the inlet and the outlet of the fire ball valve is the rated working pressure, The closing position operating force should not exceed 350N. 6.3.3 Strength requirements According to the provisions of 7.8, the fire ball valve should be able to withstand 4 times the rated working pressure, keep 5min, the fire ball valve should be full during the test Open, the fire ball valve should be free from leakage, deformation and damage during the test. 6.3.4 Sealing performance According to the provisions of 7.9, the fire ball valve inlet should be able to withstand 2 times the rated working pressure, keep 5min, the fire ball valve should be tested Closed, there should be no leakage at each sealing part of the fire ball valve during ......
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