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GB 5135.14-2011: Automatic sprinkler system -- Part 14: Pre-action devices
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Automatic sprinkler system -- Part 14: Pre-action devices
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Basic data | Standard ID | GB 5135.14-2011 (GB5135.14-2011) | | Description (Translated English) | Automatic sprinkler system -- Part 14: Pre-action devices | | Sector / Industry | National Standard | | Classification of Chinese Standard | C84 | | Classification of International Standard | 13.220.10 | | Word Count Estimation | 27,262 | | Date of Issue | 2011-09-29 | | Date of Implementation | 2012-05-01 | | Quoted Standard | GB/T 191; GB/T 3098.1; GB/T 3098.2; GB/T 3098.3; GB/T 3287; GB 5135.10; GB 5135.11; GB/T 9112; GB/T 9969; GB/T 17241.6; GB 50084; GA 30.1-2002; GA 61-2002 | | Regulation (derived from) | National Standards Bulletin 2011 No. 14 | | 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 relates to pre-action sprinkler system device model preparation, requirements, test methods, inspection rules, marking, packaging, transportation, storage and so on. This standard applies to the sprinkler system in the pre-action devices. | GB 5135.14-2011: Automatic sprinkler system -- Part 14: Pre-action devices---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.
Automal Part itic sprinkler systems.Part 14. Preaction devices
ICS 13.220.10
C84
National Standards of People's Republic of China
Automatic sprinkler systems
Part 14. Preaction means
Part 14. Preactiondevices
Issued on. 2011-09-29
2012-05-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Table of Contents
Preface Ⅰ
1 Scope 1
2 Normative references 1
3 Terms and definitions
4 model preparation 2
5 Requirement 2
6 Test methods 7
7 Inspection rules 11
8 manuals - Claim 12
9 packaging, transportation and storage 12
Appendix A (normative) Test Method 15 hydraulic friction
Appendix B (normative) Test procedures and sampling device number 16
Annex C (normative) Pre-action alarm valve test procedures and the number of samples 17
Annex D (normative) Test procedures and sampling control panel number 18
Appendix E (normative) solenoid valve test procedures and the number of samples 19
Annex F (normative) Test procedures and sampling valve number 20
Annex G (normative) check valve test procedures and the number of samples 21
Annex H (normative) control valve test procedure and number of samples 22
Foreword
This part of Chapter 4, Chapter 5, except 5.2.3.4 outside and Chapter 7 are mandatory, the rest are recommended.
GB 5135 "automatic sprinkler system" has been divided into 21 sections.
--- Part 1. Sprinklers;
--- Part 2. Wet alarm valves, retard, water alarm;
--- Part 3. spray nozzle;
--- Part 4. Dry alarm valve;
--- Part 5. deluge alarm valve;
--- Part 6. General Valve;
--- Part 7. flow indicator;
--- Part 8. Accelerator;
--- Part 9. Early Suppression Fast Response (ESFR) sprinklers;
--- Part 10. Pressure Switch;
--- Part 11. grooved pipe fittings;
--- Part 12. Extending coverage product sprinklers;
--- Part 13. Water curtain nozzle;
--- Part 14. Preaction means;
--- Part 15. head of household;
--- Part 16. Fire sprinkler hose;
--- Part 17. valve;
--- Part 18. Fire pipe hangers;
--- Part 19. Plastic pipes and pipe fittings;
--- Part 20. coated steel;
--- Part 21. terminal water-test equipment;
This is Part 14 GB 5135's.
This part reference ISO /DIS6182-8.2006 "pre-action dry alarm valve" (in English), UL260.2004 "is used to dry fire
Pipeline deluge valve "(in English) and FM1011-1012. 1973" deluge systems and pre-action system licensing standards "(in English).
This section of the Appendix A ~ Appendix H normative appendix.
This section presents the People's Republic of China Ministry of Public Security.
This part of the National Technical Committee of Standardization Technical Committee Fire II (SAC/TC113/SC2) centralized.
This section is responsible for drafting unit. Ministry of Public Security in Tianjin Fire Research Institute.
Participated in the drafting of this section. Zhejiang Provincial Public Security Fire Department, the Liaoning Provincial Public Security Department, Fire Department, Foshan City, Yongxing Valve Manufacturing Co.
The company, Dalian Victaulic piping equipment co.
The main drafters of this section. Bai Diantao, Yangzhen Ming, Zhang Junnuo, Luozong Jun, Wang Yi Qing, Song Hwan pupil, Zhaoqing Ping, Wang Wei, Chen Jian Ming
Chen Qi palm.
This section is the first release.
Automatic sprinkler systems
Part 14. Preaction means
1 Scope
GB 5135 of the provisions of this part of the preparation of model pre-action sprinkler systems means, requirements, test methods, inspection rules, marking
Chi, packaging, transportation, storage and so on.
This section applies to automatic sprinkler system preaction device.
2 Normative references
The following documents contain provisions which, through reference in this Part of GB 5135 constitute provisions of this section. For dated references,
All subsequent amendments (not including errata content) or revisions do not apply to this section, however, encourage the agreement on this section
Whether the parties can study the latest versions of these documents. For undated reference documents, the latest versions apply to this section.
GB/T 191 Packaging - Pictorial signs (GB/T 191-2008, ISO 780.1997, MOD)
GB/T 3098.1 Mechanical properties of fasteners Bolts, screws and studs (GB/T 3098.1-2000, idtISO 898-1.1999)
GB/T 3098.2 Mechanical properties of fasteners - Nuts - Coarse thread (GB/T 3098.2-2000, idtISO 898-2.1992)
GB/T 3098.3 Mechanical properties of fasteners set screws (GB/T 3098.3-2000, idtISO 898-5.1998)
GB/T 3287 malleable cast iron pipe fittings
Part 10 GB 5135.10 sprinkler systems. pressure switch
Part 11 GB 5135.11 sprinkler system. grooved pipe fittings
GB/T 9112 steel pipe flanges with type parameters
GB/T 9969 General Instructions industrial products
GB/T 17241.6 whole cast iron pipe flanges
GB 50084 sprinkler system design specifications
Performance requirements and test methods GA30.1-2002 fixed fire water supply equipment - Part 1. Fire pressure water supply equipment
GA61-2002 fixed fire extinguishing system drive, control devices General
3 Terms and Definitions
The following terms and definitions apply to this part of GB 5135.
3.1
Preaction means preactiondevices
By the pre-action alarm valve, control panel, air pressure and air supply means to maintain the device composed by an electric, pneumatic, mechanical or other means
Be open, so that water can flow into the sprinkler system in one direction at the same time means a one-way valve block alarm.
3.2
Pre-action alarm valve preactionalarmvalve
Composed by a pre-action alarm valve (single valve or combination valve) and piping accessories alarm valve.
3.3
Valves should wait state readyconditionofvalve
Pre-action alarm valve clapper assembly is mounted in the piping system in the closed position, the valve supply side filled with steady pressure water system
Side by a predetermined pressure is filled with air, without water flow through the pre-action alarm valve state.
3.4
Rated working pressure ratedworkingpressure
In the pre-action alarm valve should wait state or operating state maximum allowable working pressure.
3.5
Means working conditions workconditionofdevices
Pre-action means the operating members of the working position, the control panel of the control, monitoring, should be in normal working condition.
4 model preparation
Products marked by the code structure, nominal diameter and nominal working pressure components.
ZSFY
Pre-action sprinkler systems means
Nominal Diameter (mm)
Rated working pressure (MPa)
Example. ZSFY100-1.2 represents nominal 100mm, rated working pressure of the pre-action means 1.2MPa diameter.
5 Requirements
5.1 device
5.1.1 device component
5.1.1.1 Pre-action device is a pre-action alarm valve, control panel, pressure support system, air supply system and piping accessories and other components
composition.
5.1.1.2 means the components installed in the correct position, reasonable overall layout, ease of operation, inspection and maintenance.
5.1.2 Appearance
Pre-action means the constituent parts should be no obvious processing defect or mechanical damage, the outer surface of the parts should be corrosion, rust treatment, the coating
Layer coating should be complete and uniform.
5.1.3 Flag
5.1.3.1 Pre-action alarm valve should be obvious position clear, permanent labeling the following.
a) Product name and model specifications;
b) production unit name or trademark;
c) rated working pressure;
d) the production date and product number;
e) the implementation of the standard code;
f) pre-action alarm direction of flow manifold installation.
5.1.3.2 control panel should be obvious position clear, permanent labeling the following.
a) Product name and model specifications;
b) the operating voltage and current;
c) standby power working time;
d) Operating ambient temperature;
e) production unit name or trademark.
5.1.4 means working status
Pre-action means working position each operating member, the control panel control and monitoring functions, should be in normal working condition, pre-action reported
Police manifolds, air pressure and air supply means to maintain the device should be in a normal state should wait.
Water pressure system side inflation pressure should be in normal working condition.
5.1.5 Start operating requirements
5.1.5.1 Start mode
Pre-action device shall have the following ways to start.
a) Auto Start. electric start, start wet, dry start, lock seal fusible start like, the above-described manner can start the series and parallel
use;
b) through the fire means the manual button on the control panel to start the manual mode;
c) by pre-action alarm valve control chamber manual control valve opening mechanical emergency start-up mode;
d) Any automatic start mode must be provided with a mechanical emergency start mode.
5.1.5.2 start running
Tested in accordance with the provisions of 6.20, pre-action device shall comply with the following requirements.
a) means a different way to start the action should be accurate, reliable, trouble-free;
b) mechanical emergency start should have effective measures to prevent malfunction;
Operating parameters c) device, such as a delay time, inflation pressure range should be consistent with published parameters specified on the production unit Instructions
range.
5.2 Pre-action alarm valve
Basic parameters 5.2.1
5.2.1.1 Rated Operating Pressure
Pre-action alarm valve rated working pressure of not less than 1.2MPa, should be consistent with 1.2MPa, 1.6MPa and other pressure levels.
Pre-action alarm valve and lower working pressure rating of the device when fitted to use, allows the import and export joint press valve to withstand low pressure
Stage process, but the valve should indicate the use of lower pressure rating.
5.2.1.2 nominal diameter
Importers and pre-action alarm valve nominal diameter of 50mm, 65mm, 80mm, 100mm, 125mm, 150mm, 200mm,
250mm, 300mm.
Pre-action alarm valve seat at a diameter smaller than the nominal diameter.
5.2.2 Materials
5.2.2.1 Pre-action alarm valve body and bonnet shall be not less than the corrosion resistance of cast iron materials. The seat should be corrosion-resistant
Performance is not less than the bronze material. The use of corrosion-resistant bronze material below the seat surface should be treated with preservatives, and shall
When tested in accordance with the provisions of 6.3, pre-action alarm valve after the test by the method specified in 6.5 and 6.8 a leak and function tests, should be
Subject to 5.2.6 and 5.2.8.
5.2.2.2 Pre-action alarm valve requires rotating or sliding parts shall be bronze, brass, austenitic stainless steel and other corrosion-resistant material.
If the corrosion-resistant material is less than the above requirements should be added to relative movement of the bushing member said corrosion-resistant material.
5.2.3 Structure and dimensions
5.2.3.1 Pre-action alarm valve body and bonnet joint size should be consistent with GB/T 3098.1 ~ 3098.3, GB/T 9112,
GB/T 17241.6, GB 5135.11 or GB/T 3287 provisions of.
5.2.3.2 Pre-action alarm valve should be provided on the valve body drain port, drain port nominal diameter of not less than 20mm.
5.2.3.3 Water-side valve body assembly, shall be provided without opening the valve test facility alarm device.
5.2.3.4 Pre-action alarm valve should be set on the bottom water was added and the water level to check the bottom of the structure.
5.2.4 Rigid non-metallic materials
Rigid non-metallic parts 5.2.4.1 Pre-action alarm valve employed, according to the method after the aging test specified in 6.2, 6.3, should not have
Crack impede the normal operation of the apparatus, distortion, creep, or other damage.
5.2.4.2 aging test by a rigid non-metallic parts of the pre-action alarm valve assembly carried out by the method of infiltration provisions 6.5 and 6.8
When the leak and function tests, should comply with 5.2.6 and 5.2.8.
5.2.5 Strength
The valve assembly in the open position of the pre-action alarm valve, according to the method specified in 6.4 hydrostatic strength test, the test pressure of 4 times the amount
Given operating pressure (but not less than 4.8MPa), to maintain 5min, the valve should be no macroscopic deformation, leakage and other damage to the phenomenon.
5.2.6 leakage, deformation and air tightness
5.2.6.1 Pre-action alarm valve in the valve assembly to open the case, according to the method specified in 6.5.1 carry out valve leak test should be able to withstand
By 2 times the rated working pressure of the hydrostatic pressure, to maintain 5min, the valve should be no leakage, no permanent deformation or damage.
5.2.6.2 Pre-action alarm valve in the valve assembly to close the case, according to the method specified in 6.5.2 carry out a valve leak test, the water supply facilities
Plus 2 times the rated working pressure of the hydrostatic pressure, to maintain 2h, should be no leakage, no permanent deformation or damage.
5.2.6.3 Pre-action alarm valve in the case of the valve assembly is closed, according to the method specified in 6.6 air tightness test, plus system side
0.1MPa air pressure, to maintain 5min, bubble leakage can not be more than 3 per minute.
5.2.7 hydraulic friction
When the pre-action alarm valve according to the provisions of 6.7 for hydraulic friction test, through-flow velocity of 4.5m/s, the hydraulic friction should not exceed
0.08MPa.
5.2.8 Pre-action alarm valve function
5.2.8.1 When the pre-action alarm valve should be in a wait state, the external force should not start valve disorders.
5.2.8.2 6.8 according to the method prescribed functional tests, pre-action alarm valve should be able to 0.14MPa to the rated working pressure range
Water pressure operation.
5.2.8.3 Pre-action alarm valve is in the state should wait, should prevent water leakage from the supply side to the system side, so that leakage of water or with automatic discharge
Out of the facility.
5.2.8.4 6.8 according to the method prescribed functional tests, pre-action alarm valve should be through manual and automatic method of operation.
5.2.8.5 Pre-action alarm valve activation means after the operation, pre-action alarm valve should be opened in the 15s of the valve (Preaction newspaper
Police manifolds nominal diameter of more than 200mm, the valve can be opened in the 60s).
5.2.8.6 When the pre-action alarm valve alarm port according to the provisions of 6.8 functional test, when the water pressure is 0.14MPa, the system side
To 60L/min flow rate of drainage, alarm mouth pressure of at least 0.05MPa to start the alarm device.
5.2.8.7 Pre-action alarm valve should be fortified resetting means, when the valve starts normally, at different pressures, close the solenoid valve electrically controlled chamber
Source (or other control) and water control valve, pre-action alarm valve should be reset. Pre-action alarm valve should be reset manually re
Bit completed.
5.2.8.8 Pre-action alarm valve control solenoid valve should be set to open the front end of the filter.
5.2.8.9 For pre-action alarm valve sealing seat bottom water, should be set up and added to the water bottom examination of bottom water level facilities.
5.2.8.10 use pressurized gas as boot media pre-action alarm valve, with its air pressure inside the water pipe, alarm should be based on pre-action
Technical performance manifolds determination, and shall meet the requirements of GB 50084.
5.2.9 fire resistance
Using a melting point below 800 ℃ metal material or non-metallic materials valve body and cover pre-action alarm valve, according to the provisions of 6.21
Fire resistance test carried out, filled with water valve should be able to withstand 800 ℃ fire resistance test 15min. After the test, the valve should be free to open, the valve body should be able to
Withstand 2 times the rated working pressure of the hydrostatic pressure, keeping 2min, it should be no permanent deformation or damage.
5.3 Pressure retaining means
5.3.1 Pressure retaining means consists of a pressure alarm means, check valves, valves, control valves, limiting parts and other components constituting the filter member.
5.3.2 Preaction inflatable device system side pressure range should be set to 0.03MPa ~ 0.05MPa, namely pressure to maintain the pressure control device
Range; the use of pressurized gas to start pre-action alarm valve media, the scope of its inflation pressure side of the system, determined by the manufacturer announced, and should be
In line with GB 50084 requirements.
5.3.3 should be set up in parallel with the bypass line pressure, the bypass control valve should be set in order to use the device in the early fast inflatable,
So that the pipe network to achieve rapid inflation pressure range.
5.3.4 Pressure monitor the facility, the lower limit alarm pressure value should be adjusted, and under pressure to give an alarm signal can be set. Pipe network inspection
Pressure measurement alarm limit pressure value not less than 0.02MPa, the upper limit of the pressure within the pipe network detection alarm pressure value and the value declared by enterprises to provide
Deviation should not exceed 10%.
5.3.5 After the fire when the system enters the state, should be provided to prevent gas continues into the fire pipe network facilities, and should have a corresponding pressure protection
Alarm, monitoring switching means measures.
5.4 Control Panel
5.4.1 Appearance
The control panel can not be significantly skew warping phenomenon. The control panel surface should be smooth, coat color should be uniform, there should be no glare
Reflective.
5.4.2 wires, lights and button color
A control panel used wire colors, lights and buttons should comply with the provisions of GA30.1-2002 in 5.6.2.1.
5.4.3 Control Panel
Disk control panel should be equipped with the power supply voltage (the power supply and backup power) display, pre-action alarm valve opening and closing status display, electromagnetic
Valve (or other startup mode) button to manually open, high, low pressure alarm display, inflatable system status display.
Buttons, switches and disk control instrument panel should be easy to operate and has a feature flag.
5.4.4 Power Requirements
The control panel of the main power supply voltage [220 × (1 ± 15%)] under V, 50Hz condition should be able to work reliably.
Equipment control panel should power or dual power connector. If the device control panel with the power supply capacity should meet the normal state of continuous monitoring
Working 24h, should ensure system reliability during startup.
Lord, standby power should have work instructions, should be automatic, manual switching function, main and backup power switching time should be less than 1s.
5.4.5 control and alarm functions
5.4.5.1 control panel should have automatic and manual start pre-action system function, automatic mode, manual mode should be clearly marked and can turn to each other
change. Whether the panel is in automatic or manual mode, manually start must always be valid.
5.4.5.2 control panel can be set delayed start function. If the delay function, the delay time 0s ~ 30s continuously adjustable, such as the use of sub-file-conditioned
Each stall interval should be less than 10s.
5.4.5.3 After the pre-action status means boot into the fire, the air compressor should stop using other air supply should be provided to prevent gases continue
Continued into the fire pipe network facilities.
5.4.5.4 control panel should be able to receive fire alarm equipment fire signal came. After entering the state of the fire, the fire control panel should be able to issue a sound,
Light alarm signal, and it shall be provided with a fire start signal is transmitted to the fire control center terminals.
5.4.5.5 should have its own control panel (including the detection, control circuit) fault alarm and high and low pressure alarm.
5.4.5.6 control panel shall be provided to control external devices terminals.
5.4.5.7 panel should be equipped with protective grounding terminal.
5.4.6 Environmental Requirements weather
Resistant climate requirements should be consistent with the requirements of 6.4 GA61-2002.
5.4.7 Mechanical resistance to environmental requirements
Resistance to mechanical environmental requirements should be consistent with the requirements in GA61-2002 6.5.
5.4.8 resistance to electrical interference requirements
Resistance to electrical interference requirements shall comply with the requirements in GA61-2002 6.6.
5.4.9 withstand voltage requirements
Withstand voltage requirements should be consistent GA61-2002 required 6.7.
5.4.10 Insulation resistance requirements
The insulation resistance should be consistent with the requirements in 6.8 GA61-2002 requirements.
5.5 Solenoid valve
5.5.1 Flag
On the surface of the solenoid valve should be at least marked with the model specifications, voltage, current, ambient temperature, name or trademark. On the body should be
The flow direction clearly marked.
5.5.2 Reliability
Solenoid valve according to the method specified in 6.16 reliability test should be accurate action, flexible, and must not show any structural damage or failure (n
Allowed except when the damage is often working parts). After the test shall comply with the provisions of 5.5.5.
5.5.3 Function
Assembled solenoid valve, inlet pressure from 0.14MPa, 0.2MPa to the rated working pressure differential is 0.1MPa, the use of electromagnetic element
And opened solenoid valves, quick action should be accurate.
5.5.4 Strength
Solenoid valve according to the method prescribed was 6.4 Body strength test should be able to withstand four times the rated working pressure of the hydrostatic pressure, to maintain 5min, test
Experiments should solenoid valve in the open position, the valve should be no leakage test, deformation and damage.
5.5.5 Seal
Solenoid valve according to the method specified in 6.5.1 sealing performance test, the solenoid valve inlet subjected to 2 times the rated working pressure of the hydrostatic pressure, keeping
5min, test the solenoid valve is in the closed position, the solenoid valve at the outlet should be no leakage.
5.5.6 insulation
Under normal atmospheric conditions, the insulation resistance of the solenoid valve between the terminals and the housing should be greater than 20MΩ.
5.5.7 Power supply
Solenoid valve should be able to work at 85% to 115% of rated voltage.
5.5.8 Damp heat test
Solenoid valve according to the method prescribed was 6.11 Damp heat test, after the test operation should be accurate, flexible, and must not show any structural failure or
damage.
5.6 control means
5.6.1 using a pressure switch is used as the control components shall meet the requirements of GB 5135.10.
5.6.2 the use of other devices as a control section shall comply with the relevant requirements of the production units to use manual.
5.7 to maintain the pressure device - regulator
5.7.1 shell strength
6.4 according to the method prescribed hydrostatic strength test, the test pressure of 1.5 times the maximum working pressure during the test, the housing may not be
There is leakage.
5.7.2 Sealing Performance
According to the method specified in 6.5.1 be sealed test, the test pressure for the maximum working pressure during the test valve should be no leakage.
5.7.3 Surge Performance
6.17 according to the method specified in the regulator performance test valve should be open and flexible, reliable, no jamming and abnormal vibration phenomenon.
5.8 to maintain the pressure device - the control valve
5.8.1 Materials
Control valves should be corrosion-resistant materials, such as copper alloy or stainless steel.
5.8.2 strength requirements
Control valve according to the method specified in 6.4 strength test, the test pressure of 1.5 times the maximum working pressure, to maintain 5min, any portion
Member should not have structural damage, permanent deformation and rupture.
5.8.3 sealing requirements
Control valve according to the provisions of 6.5.1 seal test, the test pressure for the maximum working pressure, to maintain 5min, should any member of the
Current leakage.
5.9 to maintain the pressure device - the one-way valve
5.9.1 Appearance
The check valve should be set permanently marked in obvious position, at least mark the specifications, working pressure, medium flow direction, production enterprises
Business name or trademark.
5.9.2 Materials
One-way valve and its internal mechanical parts should be made of stainless steel, copper alloy, the strength can also be used, corrosion resistance is not lower than the above...
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