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GA 602-2013: dry powder fire extinguishing equipment---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/GA602-2013
GA
PUBLIC SECURITY INDUSTRY STANDARD
ICS 13.220.10
C 84
Replacing GA 602-2006
Dry powder fire extinguishing equipment
Issued on. DECEMBER 17, 2013
Implemented on. MARCH 1, 2014
Issued by. Ministry of Public Security of the People's Republic of China
Table of Contents
Foreword... 4
1 Scope... 7
2 Normative References... 7
3 Terms and definitions... 8
4 Classification... 9
5 Designation... 10
6 Requirements... 11
7 Test method... 29
8 Inspection rules... 56
9 Instruction manual... 61
Annex A (Normative) Test procedure and sample quantity for dry powder fire
extinguishing equipment... 64
Annex B (Normative) Test procedure and sample quantity for container
valve... 66
Annex C (Normative) Test procedure and sample quantity for actuating
equipment... 67
Annex D (Normative) Test procedure and sample quantity of controlling and
activating assembly... 68
Annex E (Normative) Test procedure and sample quantity for pressure
indicator... 70
Annex F (Normative) Test procedure and sample quantity for electrical
trigger... 72
Annex G (Normative) Test procedure and sample quantity for heat trigger
... 73
Annex H (Normative) Test procedure and sample quantity for fusible alloy
assembly and temperature-actuated glass bulb assembly... 74
Annex I (Normative) Test procedure and sample quantity for temperature-
actuated magnetic generator assembly... 75
Annex J (Normative) Test procedure and sample quantity for nozzle... 77
Annex K (Normative) Test procedure and sample quantity for hanger
bracket (support)... 78
Annex L (Normative) Test procedure and sample quantity for signal
feedback equipment... 79
1 Scope
This Standard specifies the terms and definitions, classification, designation,
requirements, test methods, inspection rules, instruction manual and marking,
packaging, transportation and storage of the dry powder fire extinguishing equipment.
This Standard applies to stationary-mounted dry powder fire extinguishing equipment
of hanging type, wall mounting type and other types; it does not apply to dry powder
fire extinguishing equipment of cabinet type and mobile type.
2 Normative References
The following referenced documents are indispensable for the application of this
document. For dated references, only the edition dated applies to this document. For
undated references, the latest edition of the referenced documents (including all
amendments) applies to this Standard.
GB 150 (all parts), Steel pressure vessels
GB 190, Packing symbol of dangerous goods
GB/T 191, Packaging – Pictorial marking for handling of goods
GB 252, General diesel fuels
GB 4066.1, Fire extinguishing media – Part 1.BC powder
GB 4066.2, Fire extinguishing media – Part 2.ABC powder
GB 5100, Welded steel gas cylinders
GB 5135.1-2003, Automatic sprinkler system – Part 1.Sprinkler
GB/T 7094-2002, Vibration (sinusoidal) test method for electrical installations in
ships
3 Terms and definitions
For the purpose of this document, the following terms and definitions apply.
3.1
dry powder fire extinguishing equipment
the powder fire extinguishing equipment which is mounted in a protected area,
activated by automatic detection or manually by control device and actuated by
actuating medium (gas or fuel gas) or mechanical energy
3.2
ratio of residual extinguishing agent discharge
the ratio of the mass of residual fire extinguishing agent inside after the spraying of the
fire extinguishing equipment to the mass of fire extinguishing agent filled before the
spraying.
3.3
storage pressure
the balanced pressure of the storage container of the storage pressure fire
extinguishing equipment which is filled with fire extinguishing agent as specified and
placed in the environment at 20°C
3.4
maximum working pressure
the balanced pressure of the storage container of the storage pressure fire
extinguishing equipment which is filled with fire extinguishing agent and placed at the
upper limit of the working temperature range
4 Classification
4.1 It can be divided into the following in accordance with the methods for the storage
of dry powder agent.
4.2 It can be divided into the following in accordance with the methods for the
mounting of dry powder fire extinguishing equipment.
4.3 It can be divided into the following in accordance with the types of dry powder fire
extinguishing agents.
4.4 It can be divided into the following in accordance with the particle size of dry
powder fire extinguishing agent.
4.5 It can be divided into the following in accordance with the using places of dry
powder fire extinguishing equipment.
4.6 It can be divided into the following in accordance with the activating methods of
dry powder fire extinguishing equipment.
5 Designation
Designation is as follows.
EXAMPLE 1.
6 Requirements
6.1 Working environment
6.1.1 The range of working temperature of the dry powder fire extinguishing
equipment (hereinafter referred to as the fire extinguishing equipment) shall meet the
following requirements.
6.1.2 The relative humidity of the working environment of the fire extinguishing
equipment shall not be greater than 95%.
6.2 Appearance and marking
6.2.1 The surface of the fire extinguishing equipment shall be smooth and free from
visible mechanical damages or sags and crests. The surface coating and plating shall
be uniform and free from the defects including flow marks and scratches.
6.2.2 Legible and indelible marking shall be provided at a conspicuous position for
the fire extinguishing equipment; its content is specified in 10.1.1.
6.3 Strength performance
6.3.1 Storage pressure fire extinguishing equipment
The hydraulic strength test shall be conducted for storage pressure fire extinguishing
equipment in accordance with the method specified in 7.3; the test pressure is 1.5
times of the maximum working pressure of the fire extinguishing equipment and the
pressure maintenance time is 5 min; and all parts shall be free from the defects such
as leakage, macroscopical deformation or damages.
6.4 Sealing performance
6.5 Spray performance
6.5.1 Spray time
The spray time of the fire extinguishing equipment is specified in Table 1.
7 Test method
7.1 Requirements for measuring instruments
The accuracy of the measuring instruments for the test shall meet the following
requirements.
7.2 General provisions
7.2.1 Appearance and marking
Conduct visual inspection for the appearance of the fire extinguishing equipment and
the content and fixing method of marking.
7.2.2 Working temperature range
Inspect the working temperature range given in the instruction manual and nameplate
of the fire extinguishing equipment.
7.3 Hydraulic strength test
7.3.1 The hydraulic source for the hydraulic strength test apparatus shall have the
pressure stabilization function to eliminate pressure pulse; the accuracy of the
pressure measuring instrument shall not be lower than grade 1.6; and the pressure
rise rate of the test apparatus can be adjustable within the applied pressure range.
The hydraulic strength test for the pressure indicator can also be conducted on a piston
pressure tester.
7.4 Sealing performance test
7.4.1 Test requirements
Nitrogen or compressed air is used for air pressure sealing test apparatus; the
accuracy of the pressure measuring instrument shall not be lower than grade 1.6; the
air pressure source of the test apparatus shall ensure that the pressure rise rate can
be adjustable within the working pressure range.
The water temperature for the leakage test shall not be lower than 5˚C.
7.5 Overpressure test
7.5.1 The test apparatus is the same as that specified in 7.3.1.
7.5.2 Connect the inlets of the samples to be tested and the test apparatus; place
the container valve in an open position; provide protective measures to prevent internal
parts from being washed off for the pressure indicator; and seal all outlets of the
samples after eliminating the air in the connecting tube and sample. Increase the
pressure slowly at a rate of not greater than 0.5 MPa/s to the test pressure; release
the pressure after maintaining it for 5 min; examine the samples and record the test
results.
7.6 Spray performance test
7.8 High-low temperature alternating cycle test
7.8.1 High-low temperature alternating cycle test for storage pressure fire
extinguishing equipment
7.8.1.1 Test apparatus
The test apparatus shall be as specified in 6.2 of GB/T 25208-2010; the internal
pressure of the fire extinguishing equipment is measured with a precision pressure
gauge of grade 0.4.
7.8.1.2 Test condition
The test condition shall be the cycling method specified in Table 2, 6.3.3 of GB/T
25208-2010.
7.8.1.3 Test procedure
7.8.1.3.5 The spray performance test shall be conducted for the fire extinguishing
equipment in accordance with 7.6; and record the test results.
7.8.2 High-low temperature alternating cycle test for non-storage-pressure fire
extinguishing equipment
Conduct the test in accordance with the test procedure in Table 3.After taking out the
fire extinguishing equipment from the high-low temperature environment after the test,
immediately install and activate; and record the test results.
8 Inspection rules
8.1 Inspection classification and items
8.1.1 Inspection classification
The inspection is divided into type inspection and exit-factory inspection.
8.1.2 Type inspection items
See Table 9 for the type inspection items.
Under one of the following circumstances, a type inspection shall be conducted.
8.1.3 Exit-factory inspection items
The exit-factory inspection items include at least the items specified in Table 9.
8.1.4 Test procedure
The test procedure shall be as specified in Annex A to Annex L.
8.2 Sampling method
8.3 Determination of inspection results
8.3.1 Type inspection
If the type inspection items of the fire extinguishing equipment are all qualified in
accordance with Table 9, then the fire extinguishing equipment is qualified.
If any items of category A is unqualified, then the fire extinguishing equipment is
unqualified. If the unqualified items of category B is more than or equal to 2, the fire
extinguishing equipment is unqualified. If the unqualified items of category C are more
than or equal to 4, the fire extinguishing equipment is unqualified.
9 Instruction manual
The instruction manual shall be compiled in accordance with GB/T 9969, which shall
include the following information.
GA
PUBLIC SECURITY INDUSTRY STANDARD
ICS 13.220.10
C 84
Replacing GA 602-2006
Dry powder fire extinguishing equipment
Issued on. DECEMBER 17, 2013
Implemented on. MARCH 1, 2014
Issued by. Ministry of Public Security of the People's Republic of China
Table of Contents
Foreword... 4
1 Scope... 7
2 Normative References... 7
3 Terms and definitions... 8
4 Classification... 9
5 Designation... 10
6 Requirements... 11
7 Test method... 29
8 Inspection rules... 56
9 Instruction manual... 61
Annex A (Normative) Test procedure and sample quantity for dry powder fire
extinguishing equipment... 64
Annex B (Normative) Test procedure and sample quantity for container
valve... 66
Annex C (Normative) Test procedure and sample quantity for actuating
equipment... 67
Annex D (Normative) Test procedure and sample quantity of controlling and
activating assembly... 68
Annex E (Normative) Test procedure and sample quantity for pressure
indicator... 70
Annex F (Normative) Test procedure and sample quantity for electrical
trigger... 72
Annex G (Normative) Test procedure and sample quantity for heat trigger
... 73
Annex H (Normative) Test procedure and sample quantity for fusible alloy
assembly and temperature-actuated glass bulb assembly... 74
Annex I (Normative) Test procedure and sample quantity for temperature-
actuated magnetic generator assembly... 75
Annex J (Normative) Test procedure and sample quantity for nozzle... 77
Annex K (Normative) Test procedure and sample quantity for hanger
bracket (support)... 78
Annex L (Normative) Test procedure and sample quantity for signal
feedback equipment... 79
1 Scope
This Standard specifies the terms and definitions, classification, designation,
requirements, test methods, inspection rules, instruction manual and marking,
packaging, transportation and storage of the dry powder fire extinguishing equipment.
This Standard applies to stationary-mounted dry powder fire extinguishing equipment
of hanging type, wall mounting type and other types; it does not apply to dry powder
fire extinguishing equipment of cabinet type and mobile type.
2 Normative References
The following referenced documents are indispensable for the application of this
document. For dated references, only the edition dated applies to this document. For
undated references, the latest edition of the referenced documents (including all
amendments) applies to this Standard.
GB 150 (all parts), Steel pressure vessels
GB 190, Packing symbol of dangerous goods
GB/T 191, Packaging – Pictorial marking for handling of goods
GB 252, General diesel fuels
GB 4066.1, Fire extinguishing media – Part 1.BC powder
GB 4066.2, Fire extinguishing media – Part 2.ABC powder
GB 5100, Welded steel gas cylinders
GB 5135.1-2003, Automatic sprinkler system – Part 1.Sprinkler
GB/T 7094-2002, Vibration (sinusoidal) test method for electrical installations in
ships
3 Terms and definitions
For the purpose of this document, the following terms and definitions apply.
3.1
dry powder fire extinguishing equipment
the powder fire extinguishing equipment which is mounted in a protected area,
activated by automatic detection or manually by control device and actuated by
actuating medium (gas or fuel gas) or mechanical energy
3.2
ratio of residual extinguishing agent discharge
the ratio of the mass of residual fire extinguishing agent inside after the spraying of the
fire extinguishing equipment to the mass of fire extinguishing agent filled before the
spraying.
3.3
storage pressure
the balanced pressure of the storage container of the storage pressure fire
extinguishing equipment which is filled with fire extinguishing agent as specified and
placed in the environment at 20°C
3.4
maximum working pressure
the balanced pressure of the storage container of the storage pressure fire
extinguishing equipment which is filled with fire extinguishing agent and placed at the
upper limit of the working temperature range
4 Classification
4.1 It can be divided into the following in accordance with the methods for the storage
of dry powder agent.
4.2 It can be divided into the following in accordance with the methods for the
mounting of dry powder fire extinguishing equipment.
4.3 It can be divided into the following in accordance with the types of dry powder fire
extinguishing agents.
4.4 It can be divided into the following in accordance with the particle size of dry
powder fire extinguishing agent.
4.5 It can be divided into the following in accordance with the using places of dry
powder fire extinguishing equipment.
4.6 It can be divided into the following in accordance with the activating methods of
dry powder fire extinguishing equipment.
5 Designation
Designation is as follows.
EXAMPLE 1.
6 Requirements
6.1 Working environment
6.1.1 The range of working temperature of the dry powder fire extinguishing
equipment (hereinafter referred to as the fire extinguishing equipment) shall meet the
following requirements.
6.1.2 The relative humidity of the working environment of the fire extinguishing
equipment shall not be greater than 95%.
6.2 Appearance and marking
6.2.1 The surface of the fire extinguishing equipment shall be smooth and free from
visible mechanical damages or sags and crests. The surface coating and plating shall
be uniform and free from the defects including flow marks and scratches.
6.2.2 Legible and indelible marking shall be provided at a conspicuous position for
the fire extinguishing equipment; its content is specified in 10.1.1.
6.3 Strength performance
6.3.1 Storage pressure fire extinguishing equipment
The hydraulic strength test shall be conducted for storage pressure fire extinguishing
equipment in accordance with the method specified in 7.3; the test pressure is 1.5
times of the maximum working pressure of the fire extinguishing equipment and the
pressure maintenance time is 5 min; and all parts shall be free from the defects such
as leakage, macroscopical deformation or damages.
6.4 Sealing performance
6.5 Spray performance
6.5.1 Spray time
The spray time of the fire extinguishing equipment is specified in Table 1.
7 Test method
7.1 Requirements for measuring instruments
The accuracy of the measuring instruments for the test shall meet the following
requirements.
7.2 General provisions
7.2.1 Appearance and marking
Conduct visual inspection for the appearance of the fire extinguishing equipment and
the content and fixing method of marking.
7.2.2 Working temperature range
Inspect the working temperature range given in the instruction manual and nameplate
of the fire extinguishing equipment.
7.3 Hydraulic strength test
7.3.1 The hydraulic source for the hydraulic strength test apparatus shall have the
pressure stabilization function to eliminate pressure pulse; the accuracy of the
pressure measuring instrument shall not be lower than grade 1.6; and the pressure
rise rate of the test apparatus can be adjustable within the applied pressure range.
The hydraulic strength test for the pressure indicator can also be conducted on a piston
pressure tester.
7.4 Sealing performance test
7.4.1 Test requirements
Nitrogen or compressed air is used for air pressure sealing test apparatus; the
accuracy of the pressure measuring instrument shall not be lower than grade 1.6; the
air pressure source of the test apparatus shall ensure that the pressure rise rate can
be adjustable within the working pressure range.
The water temperature for the leakage test shall not be lower than 5˚C.
7.5 Overpressure test
7.5.1 The test apparatus is the same as that specified in 7.3.1.
7.5.2 Connect the inlets of the samples to be tested and the test apparatus; place
the container valve in an open position; provide protective measures to prevent internal
parts from being washed off for the pressure indicator; and seal all outlets of the
samples after eliminating the air in the connecting tube and sample. Increase the
pressure slowly at a rate of not greater than 0.5 MPa/s to the test pressure; release
the pressure after maintaining it for 5 min; examine the samples and record the test
results.
7.6 Spray performance test
7.8 High-low temperature alternating cycle test
7.8.1 High-low temperature alternating cycle test for storage pressure fire
extinguishing equipment
7.8.1.1 Test apparatus
The test apparatus shall be as specified in 6.2 of GB/T 25208-2010; the internal
pressure of the fire extinguishing equipment is measured with a precision pressure
gauge of grade 0.4.
7.8.1.2 Test condition
The test condition shall be the cycling method specified in Table 2, 6.3.3 of GB/T
25208-2010.
7.8.1.3 Test procedure
7.8.1.3.5 The spray performance test shall be conducted for the fire extinguishing
equipment in accordance with 7.6; and record the test results.
7.8.2 High-low temperature alternating cycle test for non-storage-pressure fire
extinguishing equipment
Conduct the test in accordance with the test procedure in Table 3.After taking out the
fire extinguishing equipment from the high-low temperature environment after the test,
immediately install and activate; and record the test results.
8 Inspection rules
8.1 Inspection classification and items
8.1.1 Inspection classification
The inspection is divided into type inspection and exit-factory inspection.
8.1.2 Type inspection items
See Table 9 for the type inspection items.
Under one of the following circumstances, a type inspection shall be conducted.
8.1.3 Exit-factory inspection items
The exit-factory inspection items include at least the items specified in Table 9.
8.1.4 Test procedure
The test procedure shall be as specified in Annex A to Annex L.
8.2 Sampling method
8.3 Determination of inspection results
8.3.1 Type inspection
If the type inspection items of the fire extinguishing equipment are all qualified in
accordance with Table 9, then the fire extinguishing equipment is qualified.
If any items of category A is unqualified, then the fire extinguishing equipment is
unqualified. If the unqualified items of category B is more than or equal to 2, the fire
extinguishing equipment is unqualified. If the unqualified items of category C are more
than or equal to 4, the fire extinguishing equipment is unqualified.
9 Instruction manual
The instruction manual shall be compiled in accordance with GB/T 9969, which shall
include the following information.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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