GB 25204-2010 PDF English
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| GB 25204-2010 | English | 105 |
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GB 25204-2010: Auto Tracking and Targeting Jet Suppression System---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GB25204-2010
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 13.220.10
C 84
Auto Tracking and Targeting Jet Suppression System
Issued on. SEPTEMBER 26, 2010
Implemented on. MARCH 1, 2011
Issued by. General Administration of Quality Supervision, Inspection and
Quarantine;
Standardization Administration of the People’s Republic of
China.
Table of Contents
Foreword... 3
1 Scope... 4
2 Normative References... 4
3 Terms and Definitions... 4
4 Classification and Model... 5
5 Performance Requirements... 6
6 Test Methods... 9
7 Inspection Rules... 13
8 Marking, Packaging, Storage, Transportation and Instruction Manual... 14
Appendix A (normative) Test Procedure of Automatic Tracking and Targeting Jet
Suppression System... 16
Foreword
In this Standard, Chapter 5 is mandatory; the remaining is recommended.
Appendix A of this Standard is normative.
This Standard was proposed by The Ministry of Public Security of the People’s
Republic of China.
This Standard shall be under the jurisdiction of Fire Truck Pump Sub-Technical
Committee of National Technical Committee 113 on Fire Protection of Standardization
Administration of China (SAC/TC 113 / SC 4).
The drafting organization of this Standard. Shanghai Fire Research Institute of Ministry
of Public Security.
The main drafters of this Standard. Rongjun, Wanming, Jinwei, Min Yonglin, Xuelin,
Wangyi, Zhangyan, Li Jianzhong, Xuyan, Wang Lijing, Yu Yingfei, Yan Riming, Gu
Shengkang.
Auto Tracking and Targeting Jet Suppression System
1 Scope
This Standard stipulates the definition, classification, model, performance
requirements, test methods, inspection rules, marking, packaging, storage,
transportation and instruction manual of auto tracking and targeting jet suppression
system (hereinafter referred to as system).
This Standard is applicable to various auto tracking and targeting jet suppression
systems, which take water or foam mixture as the jet medium; utilize infrared rays,
digital images or other fire detection components for automatic targeting of early fires;
adopt automatic control technology to implement fire suppression.
2 Normative References
Through the reference in this Standard, clauses of the following documents become
clauses of this Standard. In terms of references with a specific date, all the subsequent
modification sheets (excluding the corrected content) or the revised editions are not
applicable to this Standard. However, all parties that reach an agreement in
accordance with this Standard are encouraged to explore the possibility of adopting
the latest version of these documents. In terms of references without a specific date,
the latest version is applicable to this Standard.
GB/T 2423.1-2008 Environmental Testing for Electric and Electronic Products - Part 2.
Test Methods - Tests A. Cold (IEC 60068-2-1.2007, IDT)
GB/T 2423.2-2008 Environmental Testing for Electric and Electronic Products - Part 2.
Test Methods - Tests B. Dry Heat (IEC 60068-2-2.2007, IDT)
GB/T 2423.3-2006 Environmental Testing for Electric and Electronic Products - Part 2.
Testing Method - Test Cab. Damp Heat, Steady State (IEC 60068-2-78.2001, IDT)
3 Terms and Definitions
The following terms and definitions are applicable to this Standard.
3.1 Auto Tracking and Targeting Jet Suppression System
Auto tracking and targeting jet suppression system refers to various indoor and outdoor
fixed jet suppression systems which utilize infrared rays, digital images or other fire
detection components to detect fire and temperature for automatic tracking and
targeting of early fires;
3.2 Targeting Time
Targeting time refers to the time from the start of test fire to the start of system jet.
3.3 Jet Radius
Jet radius refers to the length of the horizontal projection of the fire suppression device
to the farthest jet landing point, or, the radius of the circular projection of the ground
plane of the maximum jet protection range.
3.4 Maximum Protection Radius
Maximum protection radius refers to 90% of the length of the horizontal projection of
the fire suppression device to the farthest jet landing point, or, the radius of the circular
projection of the ground plane of effective spray projection range.
3.6 Working Pressure
Working pressure refers to fire suppression device’s rated outlet pressure.
4 Classification and Model
4.1 Classification
4.1.1 In accordance with flow, it may be classified into.
4.2 Model
The model composition of fire suppression device is as follows.
Example 1.automatic jet suppression device whose rated jet pressure is 0.25 MPa; rated flow
is 5 L/s; mode of jetting is spraying; jet medium is water. The model is ;
5 Performance Requirements
5.1 Appearance, Structure, Horizontal Slewing Angle and Pitch Slewing
Angle
5.2 Performance Parameters
Performance parameters of fire suppression device shall comply with the stipulations
in Table 1.
5.3 High and Low Temperature Performance
In accordance with 6.3 and 6.4, fire suppression device shall receive high and low
temperature test. During the test, the fire suppression device shall not trigger
malfunctions, such as starting and jetting. After the test, the fire suppression device
shall not manifest phenomenon of damaged coating or corrosion.
5.5 Insulation Resistance
In accordance with 6.6, fire suppression device shall receive insulation resistance test.
The insulation resistance between the external live terminals of the fire suppression
device and the casing shall be larger than 20 M.
5.6 Dielectric Strength
In accordance with 6.7, fire suppression device shall receive dielectric strength test. It
shall be able to withstand voltage test for 1 min under the frequency of 50 Hz and the
voltage of 1,500 V.
5.8 Voltage Fluctuation Adaptability
In accordance with 6.9, fire suppression device shall receive voltage fluctuation
adaptability test. Within the rated voltage range of -10% ~ + 10%, it shall be able to
normally start and function.
5.9 Vibration Resistance
In accordance with 6.10, fire suppression device shall receive vibration resistance test.
After the test, the fire suppression device shall not manifest shedding, cracking or
obvious deformation; it shall be able to normally function.
5.11 Requirements for Automatic Control
5.11.1 Requirements for intelligent detection and targeting and linkage decision
management
Fire suppression device shall be equipped with the function of intelligent detection and
targeting and linkage decision management, which shall be normally functioning.
5.12 Requirements for Fire-fighting Liquid Supply of System
The system (except from storage tank-type liquid supply) shall at least be equipped
with fire pump set, pipelines and valves, foam proportion mixing device and foam liquid
tank (if necessary) and corresponding fire-fighting accessories. In addition, it shall be
able to automatically jet and suppress fire.
5.13 Requirements for Backup Power Supply of System
In accordance with 6.12, the system shall receive backup power supply test. The
system shall at least set up two power connection ports; the two-way power supply
shall be able to automatically (manually) switch power supply.
5.14 Requirements for On-site Archive Video Recording of System
The system shall be equipped with the function of on-site archive video recording of
not less than 24 h (may be jointly adopted with other video surveillance systems).
6 Test Methods
6.1 Appearance, Structure, Horizontal Slewing Angle and Pitch Slewing
Angle
Adopt the method of visual inspection and angle gauge to check the pitch slewing
angle and horizontal slewing angle of fire suppression device. The result shall comply
with the requirements in 5.1.
6.2 Performance Test
6.2.1 Measurement of rated pressure, flow, maximum protection radius, jet
radius and monitoring radius
6.2.2 Measurement of targeting time
Respectively fix the fire suppression device at the minimum installation height and the
maximum installation height. At the measured maximum protection radius, use test fire
to induce the system to initiate the action of targeting, aim at the target and jet.
6.3 High Temperature Test
In accordance with GB/T 2423.2-2008, conduct the test. Connect the system to the
power supply, so that it could enter the normal monitoring state. Put the fire
suppression device in it; at a heating rate of not more than 0.5 °C/min, raise the
temperature to +55 °C ± 2 °C. Under this condition, maintain for 2 h. Then, take out
the fire suppression device. Under room-temperature condition, place it for 1 h.
Afterwards, it shall comply with the requirements in 5.3.
6.5 Damp Heat, Steady State Test
In accordance with GB/T 2423.3-2006, conduct the test. The fire suppression device
shall receive the test, which lasts for 48 h, at the temperature of +40 °C ± 2 °C and the
relative humidity of 85%. Take out the fire suppression device. Under room-
temperature condition, place it for 1 h ~ 2 h. Afterwards, it shall comply with the
requirements in 5.4 and shall be able to normally function.
6.6 Insulation Resistance Test
Use a megohmmeter to apply 500 V ± 50 V DC voltage between the external live
terminals which have requirements for insulation and the casing, maintain for 60 s.
Measure its resistance value. The test result shall comply with the requirements in 5.5.
6.9 Voltage Fluctuation Adaptability Test
Use a voltage regulator and electrotechnical instrument to respectively adjust the
power supply voltage to ± 10% of the rated voltage. The test result shall comply with
the requirements in 5.8.
6.10 Vibration Resistance Test
6.10.1 The test method shall comply with the requirements in GB/T 2423.10-2008.
During the test, the fire suppression test shall be in non-working state. The test
conditions shall comply with the following stipulations.
6.11 Fire Suppression Test
6.11.1 Automatic fire cannon suppression device and injection-type automatic
jet suppression device
6.12 System’s Backup Power Supply and Distribution Test
Send two-way power supply to the system and check the power supply switching
function. Send an uninterruptible power supply to the system; record the continuous
running time of the system respectively in the monitoring state and the working state.
The test result shall comply with the requirements in 5.13.
6.13 System Operation Reliability Test
Fix fire suppression device at the minimum installation height. At the stipulated
maximum protection radius, use test fire induction system to initiate the action of
tracking and targeting; aim at the target and jet, so as to suppress fire. This shall be
counted as one successful test. Repeat the above test for 10 times, at a time interval
of 5 min. The test result shall comply with the requirements in 5.15.
7 Inspection Rules
7.1 Type Inspection
7.1.1 Under one of the following circumstances, type inspection shall be conducted.
7.1.2 The content of type inspection is all the items stipulated in this Standard. The
inspection result shall all satisfy the stipulations of this Standard.
7.1.3 The quantity of test samples for type inspection is 3 sets. The test procedure
shall comply with the stipulations of Appendix A.
7.2 Exit-factory Inspection
7.2.1 Before exiting factory, exit-factory inspection shall be conducted.
8 Marking, Packaging, Storage, Transportation and Instruction Manual
8.1 Marking
8.1.1 The nameplate of product shall include the following content. manufacturer name
and trademark, product name, model and specification, serial No. of implemented
standard, product No., working pressure, flow, jet flow radius, maximum protection
radius, monitoring radius, minimum and maximum installation height, etc.
8.2 Packaging
The packaging of product shall ensure that product is not damaged or loosened in
normal transportation, and that product complies with user’s demands and the
regulations of the transportation department.
8.3 Storage
The storage warehouse shall be well-ventilated, dry and clean. Products shall not be
heavily pressed.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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