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GB 19572-2013: Low pressure carbon dioxide extinguishing system and components
Status: Valid GB 19572: Evolution and historical versions
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Basic data | Standard ID | GB 19572-2013 (GB19572-2013) | | Description (Translated English) | Low pressure carbon dioxide extinguishing system and components | | Sector / Industry | National Standard | | Classification of Chinese Standard | C84 | | Classification of International Standard | 13.200.10 | | Word Count Estimation | 55,576 | | Older Standard (superseded by this standard) | GB 19572-2004 | | Quoted Standard | GB 150.1; GB 150.2; GB 150.3; GB 150.4; GB 4396; GB/T 9969; GB 16669-2010; GB 25972-2010; GA 61-2010; TSG R0004 | | Regulation (derived from) | National Standards Bulletin No. 18 of 2013 | | 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 standard specifies: Low carbon dioxide fire extinguishing systems and components Terminology and definitions, classification, model preparation, requirements, test methods, inspection rules, marking, labeling and instructions for use. This standard a | GB 19572-2013: Low pressure carbon dioxide extinguishing system and components---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.
Low pressure carbon dioxide extinguishing system and components
ICS 13.220.10
C84
National Standards of People's Republic of China
Replacing GB 19572-2004
Low-pressure carbon dioxide fire extinguishing systems and components
Issued on. 2013-09-18
2014-08-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Table of Contents
Introduction Ⅲ
1 Scope 1
2 Normative references 1
3 Terms and definitions
4 Category 2
5 3 model designation
6 Requirement 3
6.1 System 3
6.2 storage device 4
6.3 drive apparatus 10
6.4 Total control valve 10
6.5 selector valve 11
6.6-way valve 12
6.7 nozzle 12
6.8 signal feedback means 13
6.9 Controller 13
6.10 shunt 14
7 Test Method 14
7.1 System checks 14
7.2 hydraulic strength test 15
7.3 tightness test 15
7.4 Total control valve, fill valve, balance valve, service valve 16 overpressure test
16 7.5 Operating pressure test
7.6 Performance test check valve 17
7.7 salt spray corrosion test 17
7.8 reliability test 17
7.9 Limit temperature operation reliability test 17
7.10 equivalent length measuring valve 18
7.11 Total control valve, selector valve operating performance test 19
7.12 Total control valve opening and closing time, valve position indicating switch direction check 19
7.13 one-way valve 19 performance test
7.14 nozzles 19 performance test
Withstand voltage test 19 7.15
7.16 Insulation resistance measurement 19
7.17 contact resistance was measured 20
7.18 gauge high and low temperature test 20
7.19 DPG gauge pointer deflection stability test 20
7.20 DPG overload test gauge 20
7.21 Cooling System Performance Test 20
7.22 high temperature operation and cooling capacity test 20
7.23 outer insulation protection checks 20
7.24 high and low pressure alarm device 20 checks
7.25 thermal insulation effect test 21
7.26 Controller Test 21
21 8 Inspection Rules
9 marking, labeling and instructions for use 22
Number of Appendix A (normative) system test procedures and sample 28
Appendix B (normative) fire extinguishing agent storage containers test procedures and the number of samples 29
Annex C (normative) filling valve, balance valve, service valve test procedures and the number of samples 30
Annex D (normative) safety valve test procedures and the number of samples 31
Appendix E (normative) Test procedures and safety relief diaphragm 32 Number of Samples
Annex F (normative) pressure switch test procedures and the number of samples 33
Annex G (normative) pressure gauge test procedures and the number of samples 34
Annex H (normative) pressure sensor test procedures and the number of samples 36
Annex I (normative) level gauge test procedures and the number of samples 37
Appendix J (normative) weighing device test program and the number of samples 38
Number of Annex K (normative) cooling system test procedures and sample 39
Storage Annex L (normative) means insulation test procedures and sample number 40
Setting test procedure Annex M (normative) alarm device 41 and the number of samples
Annex N (normative) total control valve test procedures and the number of samples 42
Appendix P (normative) selector valve test procedures and sample number 43
Appendix Q (normative) check valve test procedures and the number of samples 44
Appendix R (normative) nozzle test procedures and the number of samples 45
Number of Appendix S (normative) signal feedback device and sample test procedures 47
Appendix T (normative) Controller test procedures and the number of samples 48
Appendix U (normative) shunt tube test procedures and the number of samples 49
Foreword
Chapters 6 and 8 chapters of this standard is mandatory, the rest are recommended.
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
This standard replaces GB 19572-2004 "low-pressure carbon dioxide fire extinguishing systems and components."
This standard compared with GB 19572-2004 main changes are as follows.
--- Added "Normative References" of the contents (see Chapter 2);
--- Revised "terms and definitions" of the contents (see Chapter 3, Chapter 3 of the 2004 edition);
--- Added "category" (see Chapter 4);
--- Added "model establishment" (see Chapter 5);
--- Modify the "system" of the contents (see version 7.0, 4.12);
--- Modify the extinguishing agent storage container pressure on the contents (see version 6.2.2.2,2004 4.1.1.2);
--- Altered the contents of the overpressure relief device (see 6.2.4,2004 version 4.1.3);
--- Added "safety relief diaphragm" (see 6.2.4.3);
--- Modify the "pressure sensor" of the contents (see version 6.2.5.3,2004 4.1.4.3);
--- Modified "fire dose display apparatus" of the contents (see 6.2.6,2004 version 4.1.5);
--- Modify the "cooling system" of the contents (see 6.2.7,2004 version 4.1.6);
--- Added "Drive" (see 6.3);
--- Modify the master control valve, selector valve "operational performance" of the contents (see version 6.4.11,6.5.11,2004 4.3.10,4.4.10);
--- Modify the "check valve" of the contents (see 6.6,2004 version 4.5);
--- Modify the "nozzle" of the contents (see 6.7,2004 version 4.7);
--- Modify the "controller" of the contents (see 6.9,2004 version 4.10);
--- Delete the words "drive gas storage containers" (see the 2004 edition 4.2);
--- Remove the "Drive" (see the 2004 edition 4.6);
--- Remove the "line pressure relief valve" (see the 2004 edition 4.8);
--- Added "Pressure Relief Device Test operation" Test Method (see 7.5);
--- Added "nozzle performance test" test method (see 7.14);
--- Modify the "thermal insulating performance test" test method (see 7.23,2004 version 5.25);
--- Modify the "Inspection Rules" (see Chapter 8, Chapter 8 of the 2004 edition).
The standard proposed by the People's Republic of China Ministry of Public Security.
This standard by the National Standardization Technical Committee fixed fire extinguishing system Technical Committee (SAC/TC113/SC2) centralized.
This standard is mainly drafted by. Ministry of Public Security in Tianjin Fire Research Institute.
Participated in the drafting of this standard. Xi'an Nuclear Equipment Co., Ltd., Sichuan Witt Fire Equipment Co., Ltd.
The main drafters of this standard. ROADS, Liu Lianxi, Yangzhen Ming, high Hun Sen, Sheng Yanfeng, Lu Zheng Qiang, Jensen model parameter, Zhao Qingsong, party Ling,
Xuhong Xun.
This standard replaces the standards previously issued as follows.
--- GB 19572-2004.
Low-pressure carbon dioxide fire extinguishing systems and components
1 Scope
This standard specifies the terms and definitions of the low-pressure carbon dioxide fire extinguishing systems and components, classification, model designation, requirements, test methods, inspection
Rules, signs, labels and use manual.
This standard applies to the low-pressure carbon dioxide fire extinguishing agent is stored in the form of carbon dioxide fire extinguishing system.
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 150 (all parts) pressure vessel
GB 4396 carbon dioxide fire extinguishing agent
GB/T 9969 General Instructions industrial products
GB 16669-2010 carbon dioxide fire extinguishing systems and components General technical conditions
GB 25972-2010 gas fire extinguishing systems and components
GA61-2010 fixed fire extinguishing system drive, control devices General
Safety Technology Supervision TSGR0004 Stationary Pressure Vessels
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
Low-pressure carbon dioxide fire extinguishing system lowpressurecarbondioxideextinguishingsystem
Carbon dioxide fire extinguishing agent at -20 ℃ ~ -18 ℃ storage conditions of the fire extinguishing system.
3.2
Extinguishing agent storage means extinguishingagentstoragedevice
Container service valve, fill valve, balance valve, pressure relief device consists of extinguishing agent stored pressure controls the display device, a display device extinguishing dose
Extinguishing agent storage device consisting of home refrigeration systems.
3.3
Total control valve mastercontrolvalve
Extinguishing agent storage container used for storage extinguishing agent, extinguishing agent release control, and can automatically open and close the valve.
3.4
Filling valve filingvalve
And fire extinguishing agent storage container connected to the valve for filling carbon dioxide fire extinguishing agent.
3.5
Service valve maintenancevalve
As can be access to components and fire extinguishing agent storage container communicating valve.
3.6
Valves balancevalve
Storage container is connected with fire extinguishing agents, carbon dioxide fire extinguishing agent used for filling gas and liquid balance valve.
3.7
Overpressure relief device overpressurereliefdevice
Installed in the fire extinguishing agent storage containers or closed pipeline overpressure container or piping due to unusual circumstances caused by used to exclude, to ensure that their
Safe operation of the device under the allowable pressure, including safety valves and safety relief diaphragms.
3.8
Setting pressure setpressure
Predetermined pressure relief valve begins to open under the operating conditions, the valve is in the inlet gauge pressure measurement. At this pressure, the prescribed
Force open the valve under operating conditions created by the medium pressure valve with the valve seat to maintain the force balance each other.
3.9
Back seat pressure re-seatingpressure
After the safety valve discharge valve and valve seat again, that the opening height becomes zero static pressure of the valve inlet.
3.10
CS switch CSpressureswitch
Pressure is used to control the refrigeration unit automatically start and stop switch.
3.11
AS switch ASpressureswitch
For fire extinguishing agent storage pressure vessel high and low pressure alarm switch.
3.12
CPG gauge CPGpressuregauge
Refrigeration units for controlling the automatic start and stop gauges.
3.13
APG gauge APGpressuregauge
Pressure gauge for fire extinguishing agent storage containers high and low pressure alarms.
3.14
DPG gauge DPGpressuregauge
Within the fire extinguishing agent storage container pressure gauge for display.
3.15
Working pressure operatingpressure
Under normal operating conditions, the container top may reach maximum pressure.
3.16
Design pressure designpressure
The maximum pressure in the vessel is set at the top, together with the corresponding design temperature as the design load condition, and its value is not less than the working pressure.
3.17
PACKING coefficient loadingfactor
Volume of fire extinguishing agent storage container with liquid carbon dioxide than the volume of the container.
Category 4
4.1 extinguishing agent storage container according to the structure type can be divided into.
a) vertical (L represents the code);
b) Horizontal (W represents the code).
Thermal insulation measures 4.2 by the extinguishing agent storage container can be divided into.
a) vacuum insulation type (K represents the code);
b) filled with foam insulating material type (P indicates the code);
c) Other adiabatic (Q represents the code).
5 model designation
The model designation is as follows.
QMED XX/XX
Low-pressure carbon dioxide fire extinguishing system
Extinguishing agent storage container units in cubic meters (m3)
Extinguishing agent storage container structure in the form of code (see 4.1)
Extinguishing agent storage container thermal insulation measures code (see 4.2)
customize
Example 1. QMED3.2-W/K represents extinguishing agent storage container volume 3.2m3, vacuum insulation type, storage containers for the horizontal structure of the low-pressure carbon dioxide fire extinguishing
system.
Example 2. QMED5.4-L/P represents extinguishing agent storage container volume 5.4m3, low-pressure polyurethane foam plastic insulation type, storage containers for the vertical structure of two
Carbon dioxide fire extinguishing system.
6 Requirements
6.1 System
6.1.1 System Components
The system shall consist of at least the storage device, the total control valves, drives, nozzles, pressure relief devices, signal feedback devices, controllers and other components
constitute.
6.1.2 Operating Temperature Range
The system should be able to work properly in a temperature range of -23 ℃ ~ 50 ℃.
6.1.3 Appearance
6.1.3.1 System components for corrosion protection, anti-corrosion coating should be uniform, beautiful, complete, there should be no holes, ash, scars, bumps, etc.
defect.
6.1.3.2 should set the nameplate in the apparent site systems, content nameplate sign shall comply with the requirements of 9.1.1.
6.1.3.3 outer surface of the extinguishing agent storage container prominent place should be marked with the fire extinguishing agent name, writing should be clear, clearly visible.
6.1.3.4 should be a permanent mark on each of the selector valve, marking content to meet the requirements of 9.1.2.
6.1.3.5 member mounting arrangement should be reasonable, should not affect the maintenance, inspection and use operations.
6.1.4 Sealing Performance
After all system components installed, the method specified in 7.3.4 shall be tightness tested at 2.2MPa pressure, there should be no
Leaks, standing 24h, there should be no pressure drop.
6.1.5 extinguishing agent storage container volume requirements
Carbon dioxide fire extinguishing agent storage container volume should not exceed 20m3.
6.1.6 extinguishing agent requirements
Carbon dioxide extinguishing agent shall comply with the requirements of GB 4396.
6.1.7 extinguishing agent loading capacity factor requirements
Carbon dioxide fire extinguishing agent storage containers PACKING coefficient should not exceed 0.95.
6.1.8 Leak alarm requirements
The system should have a fire-extinguishing agent leak detection function, when the loss of carbon dioxide fire extinguishing agent storage container filled reaches its initial filling volume
When 10% shall be audible and visual alarm signal.
6.1.9 Pressure display requirements
The system should be equipped with fire extinguishing agent storage device capable of displaying the internal pressure gauge.
6.1.10 overpressure relief requirements
6.1.10.1 storage device should be installed at least two safety valves, valve selection and settings should meet the requirements of GB 150.
6.1.10.2 safety valve should be mounted vertically, and with the vapor space within the storage device connected.
6.1.10.3 reservoir connecting pipe and fittings through-hole devices and safety valve, the cross-sectional area of not less than the cross-sectional area of the inlet valve.
Overpressure relief device shall be provided between 6.1.10.4 closed pipe system.
6.1.11 run operation requirements
6.1.11.1 The system should have automatic start, manual start and mechanical emergency start function. Mechanical emergency start should prevent malfunctions are
Efficiency measures, and the methods and procedures used text and graphic symbols indicated operation.
6.1.11.2 The system should have a delayed start function, the delay time can be adjusted within the range of 0s ~ 30s.
6.1.11.3 When the system starts, the selector valve should be in total control before or at the same time open the valve operation.
6.1.11.4 system automatically starts linkage release test manual start and mechanical emergency start three forms, the various components and systems
Should run normally, start-up operation should be accurate, reliable, no problems, and each member should be loose, deformed, broken and damaged.
6.2 storage device
6.2.1 Operating Temperature Range
Connecting the master control valve on the storage means the service valve should be able to work normally in the range of -56.6 ℃ ~ 50 ℃.
Other components on the storage device should be able to work normally in the range of -23 ℃ ~ 50 ℃.
6.2.2 extinguishing agent storage containers
6.2.2.1 Basic requirements
Extinguishing agent storage container design, manufacture and acceptance shall comply with the provisions of GB 150 and TSGR0004.
6.2.2.2 design pressure
Extinguishing agent storage vessel design pressure of not less than 2.5MPa.
6.2.2.3 Flag
Extinguishing agent storage container markings shall comply with the provisions of 9.1.1.
6.2.3 filling valve, balance valve, repair valve
Filling valve, balance valve, service valve performance in accordance with the relevant requirements of the implementation of the master control valve, and should comply with 6.4.3 ~ 6.4.6,6.4.10,
6.4.11.2 and 9.1.2 of the regulations. Service valves loss of local resistance should meet the requirements of 6.4.9, and should have turned signage
And latching mechanism.
6.2.4 Pressure Relief Device
6.2.4.1 General requirements
It should be used on the fire extinguishing agent storage container as a safety valve pressure relief devices.
6.2.4.2 safety valve
6.2.4.2.1 nominal working pressure
Safety valve nominal working pressure of not less than 2.5MPa.
6.2.4.2.2 Setting pressure
According to the method specified in 7.5.1 tested safety valve setting pressure 2.38MPa, deviation ± 0.12MPa.
6.2.4.2.3 back seat pressure
7.5.1 according to the method specified in the test, the back seat pressure relief valve shall not be less than 2.15MPa.
6.2.4.2.4 strength requirements
7.2 according to the method specified in the test, the test pressure of 1.5 times the nominal working pressure, holding pressure 5min, the valve should not be deformation and leakage
phenomenon.
6.2.4.2.5 sealing requirements
7.3.2 according to the method specified in the test, the test pressure of 0.9 times the setting pressure, holding pressure 5min, the valve outlet should be no bubble
leakage.
6.2.4.2.6 reliability requirements
Safety valve at 20 ℃ ± 5 ℃ temperature of 100 action test, the test pressure for the safety valve opening pressure when moving the valve test
As should be flexible, accurate and reliable, there should not be any failure and structural damage after the test was completed, the air tightness test pressure testing and tuning,
The results shall meet the requirements of 6.2.4.2.5 and 6.2.4.2.2.
6.2.4.2.7 salt spray corrosion resistance
7.7 according to the method specified in the test, all parts of the safety valve should not have a significant corrosion damage. After the test, then the air-tightness test
Set pressure test and inspection results should meet the requirements of 6.2.4.2.5 and 6.2.4.2.2.
6.2.4.2.8 flag
Safety valve markings shall comply with the requirements of 9.1.2.
6.2.4.3 Safety relief diaphragm
6.2.4.3.1 Pressure relief action
Diaphragm safety relief relief action should be designed to determine the pressure setting, venting operating pressure range of the set value × (1 ± 5%).
6.2.4.3.2 salt spray corrosion resistance
7.7 according to the method prescribed test, pressure test carried out relief operation after completion of the test results shall meet the requirements of 6.2.4.3.1.
6.2.5 Pressure control display unit
6.2.5.1 Pressure Switch
6.2.5.1.1 nominal working pressure
Pressure switch nominal working pressure of not less than 2.5MPa.
6.2.5.1.2 pressure for action
CS pressure switch action shall respectively 2.10MPa ± 0.05MPa and 1.95MPa ± 0.05MPa.
AS switch operating pressure should respectively 2.20MPa ± 0.05MPa and 1.80MPa ± 0.05MPa.
6.2.5.1.3 strength requirements
7.2 according to the method prescribed hydraulic strength test, the test pressure of 1.5 times the nominal working pressure, holding pressure 5min, the pressure switch should not be
Leakage, deformation and rupture damage.
6.2.5.1.4 sealing requirements
7.3.3 according to the method prescribed air tightness test, the test pressure of 1.1 times the nominal working pressure, holding pressure 5min, connecting seal portion
There should be no air bubbles leak position.
6.2.5.1.5 reliability requirements
At a temperature of 20 ℃ ± 5 ℃, CS 5000 switch operation should be carried out tests, AS switch shall be 100 actuations test, the test pressure
Force pressure switch operating pressure during the test pressure switch normally open (normally closed) contacts should be reliably closed (off), and there should be no
Failures and structural damage. After the test, and then air tightness test and operating pressure test, and the results should be consistent with 6.2.5.1.4
6.2.5.1.2 requirements.
6.2.5.1.6 operating reliability at extreme temperatures
Pressure switch at a temperature of -23 ℃ and 50 ℃ for 10 times each action test, the test pressure for the pressure switch operating pressure, test
During the pressure switch normally open (normally closed) contacts should be reliably closed (off), there should be no pressure switch failures and structural damage, pressure switch
Off the operating pressure should meet the requirements of 6.2.5.1.2.
6.2.5.1.7 salt spray corrosion resistance
7.7 according to the method prescribed salt spray corrosion test, all parts of the pressure switch should not have a significant corrosion damage. After the test, and then into
Line tightness test and reliability test at room temperature, and the results should be consistent with the requirements of 6.2.5.1.4 and 6.2.5.1.5.
6.2.5.1.8 withstand voltage performance
Under normal atmospheric conditions, all contacts of the pressure switch (except ground) and between the shell should be able to withstand lasted 60s, frequency of 50Hz
AC voltage test during the test, there should not be surface flashover, sweep discharge, corona or breakdown. The test voltage specified in Table 1
get on.
Ta...
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