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GB 20031-2024: Foam fire extinguishing equipment
Status: Valid GB 20031: Evolution and historical versions
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| GB 20031-2024 | English | 1479 |
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Foam fire extinguishing equipment
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GB 20031-2024
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| GB 20031-2005 | English | 1429 |
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General technical specifications for foam fire extinguishing systems and components
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GB 20031-2005
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PDF similar to GB 20031-2024
Standard similar to GB 20031-2024 GB 4066 GA 578 GB 19156 GB 25972 GB 36660 Basic data | Standard ID | GB 20031-2024 (GB20031-2024) | | Description (Translated English) | Foam fire extinguishing equipment | | Sector / Industry | National Standard | | Classification of Chinese Standard | C83 | | Classification of International Standard | 13.220.20 | | Word Count Estimation | 74,742 | | Date of Issue | 2024-11-28 | | Date of Implementation | 2025-06-01 | | Older Standard (superseded by this standard) | GB 20031-2005 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB 20031-2024: Foam fire extinguishing equipment---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.
ICS 13.220.20
CCSC83
National Standard of the People's Republic of China
Replaces GB.20031-2005
Foam fire extinguishing equipment
Released on 2024-11-28
2025-06-01 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
Table of Contents
Preface V
1 Scope 1
2 Normative references 1
3 Terms and Definitions 2
4 Model compilation 3
5 Requirements 6
5.1 Foam proportioning device 6
5.2 Foam generating device 12
5.3 Foam injection device 17
5.4 Unitary foam fire extinguishing device 17
5.5 Foam liquid storage tank 19
5.6 Foam liquid pump 20
5.7 Foam fire hydrant 21
5.8 Foam mixture delivery hose 21
6 Test methods 22
6.1 Test conditions 22
6.2 Appearance 22
6.3 Water pressure strength test 22
6.4 Water pressure sealing test 22
6.5 Mixing ratio test 23
6.6 Working cycle test 23
6.7 Operational reliability test 23
6.8 Discharge pressure measurement 23
6.9 Reverse seal test 23
6.10 Determination of opening pressure of one-way valve 23
6.11 Pressure loss test 23
6.12 Balancing valve working cycle test 24
6.13 Main and standby pump switching test 24
6.14 Drop test 24
6.15 Vacuum resistance test 24
6.16 Determination of flow coefficient 24
6.17 Water impact test 24
6.18 Determination of foaming multiple and liquid separation time 24
6.19 Sealing element performance test 28
6.20 Anti-tilt test 28
6.21 Impeller overspeed test 28
6.22 Determination of the coverage radius of the foam nozzle 28
6.23 High temperature test 28
6.24 Ammonia stress corrosion test 28
6.25 Sulfur dioxide/carbon dioxide corrosion test 28
6.26 Salt spray corrosion test 28
6.27 Fire extinguishing test 28
6.28 Spray time test 29
6.29 Sports performance test 29
6.30 Tensile test 29
6.31 Hot air accelerated aging test 29
6.32 Foam liquid immersion resistance test 29
6.33 Sealing strength test of atmospheric pressure foam liquid storage tank 29
6.34 Opening force test 29
6.35 Tensile test 30
6.36 Running track stability test 30
6.37 Oil immersion resistance test 31
7 Inspection Rules 31
7.1 Inspection category 31
7.2 Inspection items 32
7.3 Sampling method and sample size 32
7.4 Judgment criteria 32
8 Packaging, transportation and storage 38
8.1 Packaging 38
8.2 Transportation 38
8.3 Storage 38
Appendix A (Informative) Foam Fire Extinguishing Equipment Parameter Series 39
Appendix B (Normative) Test Procedure and Sample Quantity for Pressure Proportional Mixing Devices 41
B.1 Description of the test procedure 41
B.2 Test procedure 41
Appendix C (Normative) Balanced Proportional Mixing Device Test Procedure and Sample Quantity 43
C.1 Description of the test procedure 43
C.2 Test procedure 43
Appendix D (Normative) Test procedures and sample quantity for metering injection type proportional mixing device 45
D.1 Description of the test procedure 45
D.2 Test procedure 45
Appendix E (Normative) Test procedures and sample quantity for mechanical pump-in proportioning mixing devices 47
E.1 Description of the test procedure 47
E.2 Test procedure 47
Appendix F (Normative) In-line Proportional Mixer Test Procedure and Sample Quantity 49
F.1 Description of the test procedure 49
F.2 Test procedure 49
Appendix G (Normative) Test procedures and sample quantity for ring pump type proportioning mixer 50
G.1 Description of test procedure 50
G.2 Test procedure 50
Appendix H (Normative) Test Procedure and Sample Quantity for Low-Expansion Foam Generators 51
H.1 Description of the test procedure 51
H.2 Test procedure 51
Appendix I (Normative) High back pressure foam generator test procedure and sample quantity 52
I.1 Description of the test procedure 52
I.2 Test procedure 52
Appendix J (Normative) Foam Hook Tube Test Procedure and Sample Quantity 53
J.1 Description of the test procedure 53
J.2 Test procedure 53
Appendix K (Normative) Test procedure and sample quantity for medium-multiple foam generators 54
K.1 Description of the test procedure 54
K.2 Test procedure 54
Appendix L (Normative) Test Procedure and Sample Quantity for High-Multiplicity Foam Generators 55
L.1 Description of the test procedure 55
L.2 Test procedure 55
Appendix M (Normative) Foam nozzle test procedure and sample quantity 56
M.1 Description of the test procedure 56
M.2 Test procedure 56
Appendix N (Normative) Foam Monitor Test Procedure and Sample Quantity 58
Appendix O (Normative) Foam Gun Test Procedure and Sample Quantity 59
Appendix P (Normative) Test procedures and sample quantity for semi-fixed foam fire extinguishing devices 60
P.1 Test procedure description 60
P.2 Test Procedure 60
Appendix Q (Normative) Foam fire hydrant box test procedures and sample quantity 61
Q.1 Description of test procedure 61
Q.2 Test procedure 61
Appendix R (Normative) Foam Liquid Storage Tank Test Procedure and Sample Quantity 62
R.1 Description of the test procedure 62
R.2 Test procedure 62
Appendix S (Normative) Foam Pump Test Procedure and Sample Quantity 64
Appendix T (Normative) Foam Fire Hydrant Test Procedure and Sample Quantity 65
T.1 Description of the test procedure 65
T.2 Test procedure 65
Appendix U (Normative) Test procedures and sample quantity for foam mixture delivery hose 66
U.1 Description of test procedure 66
U.2 Test Procedure 66
Foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents"
Drafting.
This document replaces GB.20031-2005 "General Specifications for Foam Fire Extinguishing Systems and Components".
In addition to structural adjustments and editorial changes, the main technical changes are as follows.
a) The scope has been changed (see Chapter 1, Chapter 1 of the.2005 edition);
b) The model compilation requirements have been changed (see Chapter 4, 4.2 of the.2005 edition);
c) Added requirements for metering injection type proportion mixing devices (see 5.1.4);
d) Added requirements for mechanical pump-type proportioning mixing devices (see 5.1.5);
e) The requirements for foam monitors have been changed (see 5.3.1, 5.2.6 of the.2005 edition);
f) The requirements for foam guns have been changed (see 5.3.2, 5.2.7 of the.2005 edition);
g) The static balance requirements for high-multiplicity foam generator impellers have been deleted (see 5.2.9.6 of the.2005 edition);
h) Added general requirements for unitary foam fire extinguishing equipment (see 5.4.1);
i) The main performance parameters of the foam fire hydrant box have been changed (see 5.4.3.1, 5.5.4 of the.2005 edition);
j) The performance requirements for diaphragms of foam liquid pressure storage tanks have been changed (see 5.5.1.7, 5.5.1.8, and 5.1.2.4 of the.2005 edition);
k) The requirements for foam liquid pumps have been changed (see 5.6, 5.1.5.2 of the.2005 edition);
l) The requirements for foam fire hydrants have been changed (see 5.7, 5.3.1 of the.2005 edition);
m) The requirements for foam mixture delivery hoses have been changed (see 5.8, 5.3.5 of the.2005 edition);
n) Deleted the filter requirements (see 5.3.4 of the.2005 edition);
o) The requirements for foam fire extinguishing systems have been deleted (see 5.6 of the.2005 edition);
p) The inspection rules have been changed (see Chapter 7, Chapter 6 of the.2005 edition).
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document is proposed and coordinated by the National Fire and Rescue Administration.
The previous versions of this document and the documents it replaces are as follows.
---First published in.2005 as GB.20031-2005;
---This is the first revision.
Foam fire extinguishing equipment
1 Scope
This document defines the terms and definitions of foam fire extinguishing equipment, and specifies the model compilation, parameter series, requirements, inspection rules, packaging, transportation
and storage, and the corresponding test methods are described.
This document applies to foam proportioning devices, foam generating devices, foam spraying devices, unitary foam fire extinguishing devices and related accessories.
Foam fire extinguishing equipment such as devices.
This document does not apply to foam spray fire extinguishing equipment.
2 Normative references
The contents of the following documents constitute essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document.
GB/T 150.1 Pressure vessels Part 1.General requirements
GB/T 528 Determination of tensile stress-strain properties of vulcanized rubber or thermoplastic rubber
GB/T 1690 Test method for liquid resistance of vulcanized rubber or thermoplastic rubber
GB/T 3098.1 Mechanical properties of fasteners Bolts, screws and studs
GB/T 3098.2 Mechanical properties of fasteners - Nuts
GB/T 3098.3 Mechanical properties of fasteners - Set screws
GB 3445 Indoor fire hydrants
GB/T 3512 Hot air accelerated aging and heat resistance tests for vulcanized rubber or thermoplastic rubber
GB/T 4208 Enclosure protection grade (IP code)
GB 5135.1-2019 Automatic sprinkler fire extinguishing system Part 1.Sprinkler heads
GB 5135.3 Automatic sprinkler fire extinguishing system Part 3.Water mist nozzle
GB 5135.6 Automatic sprinkler fire extinguishing system Part 6.General valve
GB 5135.11 Automatic sprinkler systems Part 11.Grooved pipe fittings
GB 6245 Fire Pump
GB 6246 Fire hose
GB 8109-2023 Trolley fire extinguisher
GB/T 9124.1 Steel pipe flanges Part 1.PN series
GB/T 9124.2 Steel pipe flanges Part 2.Class series
GB/T 9969 General principles for instructions for use of industrial products
GB 12514 (all parts) Fire protection interface
GB/T 14561-2019 Fire hydrant box
GB 15090 Fire hose reel
GB 15308 Foam fire extinguishing agent
GB 19156 Fire monitor
GB 19157 General technical requirements for remote-controlled fire monitor systems
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