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GB 5135.6-2018: Automatic sprinkler system -- Part 6: Conventional valves
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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 the test.
6.3.5 Work cycle
Test according to the provisions of 7.2.1. When the pressure difference between the inlet and outlet of the fire ball valve is the rated working pressure, it should be opened and flexible.
6.4 Fire protection solenoid valve
6.4.1 Logo
In addition to the markings specified in 9.1, fire-fighting solenoid valves shall also be marked with working voltage, current, and working environment temperature. On the valve body
There are signs of obvious water flow direction.
6.4.2 Features
According to the provisions of 7.3, the fire solenoid valve should be operated accurately and quickly.
6.4.3 Reliability
Tested in accordance with the provisions of 7.4, fire-fighting solenoid valves should be accurate and flexible, and should not cause any malfunction or structural damage. After the test
Meet the requirements of 6.4.5. Each cycle includes the process of opening and closing the solenoid valve.
Test conditions and number of actions required.
a) 20 °C ± 5 ° C, the maximum working pressure, rated working voltage, 20,000 times;
b) After the maximum working temperature of 70 ° C, after 1 h, the rated working pressure, rated working voltage × (100 ± 15)% each 10 times;
c) After the minimum operating temperature of 4 ° C, for 1 h, the rated working pressure, rated working voltage × (100 ± 15)% each 10 times.
6.4.4 Strength requirements
Tested in accordance with the provisions of 7.8, the anti-static anti-magnetic valve should be able to withstand 4 times the rated working pressure, keep 5min, the solenoid valve should be in the test
In the open position, the valve body should be free of leakage, permanent deformation and damage during the test.
6.4.5 Sealing performance
According to the provisions of 7.9, the fire electromagnetic valve inlet should be able to withstand 2 times the rated working pressure, keep 5min, fire electromagnetic in the test
The valve is in the closed position and there should be no leakage at the solenoid valve outlet.
6.4.6 Insulation resistance
According to the test of 7.19, the insulation resistance between the terminal of the fire-fighting solenoid valve and the outer casing should be greater than 2MΩ.
6.4.7 Working power supply
According to the test of 7.20, the fire-fighting solenoid valve should be able to work normally at the rated working voltage × (100 ± 15)%.
6.5 Fire Butterfly Valve
6.5.1 Handwheel and handle
6.5.1.1 When connecting with the hand wheel or handle, the connection with the valve shaft should be firm and reliable.
6.5.1.2 Rotating the disc in a clockwise direction should be able to close.
6.5.1.3 The handwheel shall have a permanent indication of the direction of the closing arrow and the word "off", or the arrow in the direction of the switch and the word "on" or "off", or in hand
The nut of the wheel is indicated by a sign below.
6.5.1.4 When the handle of the fire butterfly valve is fully open, the handle should be parallel to the channel axis and marked "on" on the handle or another label.
"Off" direction.
6.5.2 Disc opening indication requirements
6.5.2.1 All fire butterfly valves shall have indicating means for indicating the position of the disc and retaining means for ensuring the disc in the fully open and fully closed positions.
6.5.2.2 The fire butterfly valve operated by the handle shall have locking devices with different opening degrees to ensure that the butterfly plate has more than three intermediate positions and can be adjusted.
And locked.
6.5.3 Mechanical strength
Test according to the provisions of 7.12, apply 890N force on the fire butterfly valve handwheel and handle, no damage after the test.
6.5.4 Hydraulic friction
According to the provisions of 7.15, the pressure loss of the fire butterfly valve due to the hydraulic friction is not under the condition of a flow rate of 4.5 m/s.
Should exceed 0.02MPa.
6.5.5 Work cycle
Test according to the provisions of 7.2.1. When the pressure difference between the inlet and outlet of the fire butterfly valve is the rated working pressure, the normal working cycle shall be 5,000 times.
Open and flexible without damage. Each cycle includes the process of closing the fire butterfly valve from closed to fully open.
6.5.6 Strength requirements
According to the provisions of 7.8, the fire butterfly valve should be able to withstand 4 times the rated working pressure, keep 5min, the fire butterfly valve should be full during the test
Open, the fire butterfly valve should be free from leakage, deformation and damage during the test.
6.5.7 Sealing performance
According to the provisions of 7.9, the fire butterfly valve should be able to withstand 2 times the rated working pressure, keep 5min, the fire butterfly valve should be closed during the test
Closed, there shall be no leakage at the seal of the fire butterfly valve during the test.
6.6 Fire stop valve
6.6.1 Handwheel
6.6.1.1 Handwheels for the operation of fire-extinguishing valves shall be of the “spoke and rim” type with not more than 6 spokes, clockwise being closed. In the round
The edge should be clearly marked with the arrow indicating "off" and the word "off", or the two-way arrow on and off and the word "on" and "off".
6.6.1.2 Handwheel application lock nut is fixed on the valve stem.
6.6.2 Str...
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