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GB/T 4556-2025: Reciprocating internal combustion engines - Fire protection
Status: Valid GB/T 4556: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 4556-2025 | English | 264 |
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Reciprocating internal combustion engines - Fire protection
| Valid |
GB/T 4556-2025
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| GB 4556-2001 | English | 299 |
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[GB/T 4556-2001] Reciprocating internal combustion engines -- Fire protection
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GB 4556-2001
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| GB/T 4556-1984 | English | 199 |
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Reciprocating internal combustion engines--Fire protection
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GB/T 4556-1984
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PDF similar to GB/T 4556-2025
Basic data | Standard ID | GB/T 4556-2025 (GB/T4556-2025) | | Description (Translated English) | Reciprocating internal combustion engines - Fire protection | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J90 | | Classification of International Standard | 27.020 | | Word Count Estimation | 13,124 | | Date of Issue | 2025-06-30 | | Date of Implementation | 2026-01-01 | | Older Standard (superseded by this standard) | GB/T 4556-2001 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 4556-2025: Reciprocating internal combustion engines - Fire protection---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/GBT4556-2025
ICS 27.020
CCSJ90
National Standard of the People's Republic of China
Replaces GB/T 4556-2001
Reciprocating internal combustion engine fire protection
(ISO 6826.2022, IDT)
Released on June 30, 2025
Implementation on January 1, 2026
State Administration for Market Regulation
The National Standardization Administration issued
Table of Contents
Preface III
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Other regulations and requirements 2
5 General Principles 2
6 Basic fire protection level of internal combustion engines 2
6.1 General Principles 2
6.2 Instructions for Use 2
6.3 Internal Combustion Engine Fueling Regulations 2
6.4 Stop valve, drain valve and vent valve 3
6.5 Flammable liquid or gas pipelines 3
7 Special requirements for internal combustion engines 3
7.1 Fire resistance 3
7.2 Protection of electrical components (characteristic code. D) 4
7.3 Electrostatic protection (characteristic code. E) 4
7.4 Protection of high pressure fuel system (characteristic code. F) 4
7.5 Protection of high-pressure hydraulic system (characteristic code. G) 4
7.6 Drain valve (characteristic code. H) 4
7.7 Filters for flammable liquids or gases 4
7.8 High temperature surface (characteristic code. L) 4
7.9 Exhaust protection of internal combustion engines (characteristic code. M) 5
7.10 Exhaust after-treatment system protection (characteristic code. N) 5
7.11 Intake System Flame Control 5
7.12 Crankcase flame control 5
7.13 Flame control of power indicator valve (characteristic code. V) 6
7.14 Flexible connector for starting an internal combustion engine by direct air flow into the cylinder (characteristic code. W) 6
Appendix A (Informative) Special Requirements Communication Form 7
References 9
Preface
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/T 4556-2001 "Fire protection of reciprocating internal combustion engines". Compared with GB/T 4556-2001, except for the structural adjustment and
In addition to editorial changes, the main technical changes are as follows.
a) Added relevant requirements for flammable gases (see 6.2, 6.3, 6.5.1, 7.1.1, 7.1.2, 7.4, 7.6 and 7.7);
b) Change the requirements for flammable liquid pipelines from special requirements to basic fire protection level requirements (see 6.5, 7.3 of the.2001 edition);
c) Added relevant requirements for marine internal combustion engines (see 7.1.1, 7.11.3 and 7.12.3);
d) Added additional requirements for flame retardant properties of plastic parts (see 7.1.3);
e) Added requirements for electrostatic protection (see 7.3);
f) Added exhaust after-treatment system protection requirements (see 7.10);
g) Changed the requirements for crankcase explosion proof valve flame control and flexible connectors for starting internal combustion engines using direct air into the cylinder (see
7.12.2 and 7.14 of the.2001 edition, 7.11.2 and 7.13 of the.2001 edition).
This document is equivalent to ISO 6826.2022 "Fire protection of reciprocating internal combustion engines".
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 was proposed by the China Machinery Industry Federation.
This document is under the jurisdiction of the National Technical Committee for Standardization of Internal Combustion Engines (SAC/TC177).
This document was drafted by. Guangxi Yuchai Machinery Co., Ltd., Shanghai Motor Vehicle Inspection and Certification Technology Research Center Co., Ltd., Kunming
Yunnei Power Co., Ltd., Changchai Co., Ltd., CRRC Ziyang Locomotive Co., Ltd., China North Engine Research Institute, Shanghai Xindong
Li Auto Technology Co., Ltd.
The main drafters of this document are. Duan Zhentao, Qin Xingnian, Guo Hua, Luo Zhijian, Ji Weibin, Li Jun, Sun Jianzhong, Chen Jianchun, Liu Changzhen, Huang Shengdong,
Qu Feng, Su Xiaobin, and Liu Jun.
This document was first issued in 1984, revised for the first time in.2001, and this is the second revision.
Reciprocating internal combustion engine fire protection
1 Scope
This document specifies the requirements necessary to minimize the fire hazards posed by reciprocating internal combustion engines, their installed components and ancillary equipment.
If necessary, special requirements may also be put forward for reciprocating internal combustion engines for special purposes.
This document applies to reciprocating internal combustion engines (hereinafter referred to as "internal combustion engines") for land and marine use, but does not include reciprocating internal combustion engines used in explosive environments, road vehicles
and aviation internal combustion engines.
This document also applies to internal combustion engines used to propel small craft and other applications for which no fire safety standards exist.
This document can also be used as a basis for application standards for internal combustion engines other than those listed above.
2 Normative references
The contents of the following documents constitute the 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.
ISO 7840 Small craft fire-resistant fuel hoses (Smalcraft-Fire-resistant fuelhoses)
Note. GB/T 14652.1-2009 Small boat fire-resistant fuel hose (ISO 7840.2004, IDT)
ISO 8846 Small craft electrical devices - Protection against ignition of surrounding flammable gases
Note. GB/T 17726-1999 Protection of small boats' electrical installations against ignition of surrounding flammable gases (ISO 8846.1990, IDT)
Note. GB/T 19310-2025 Permanently installed fuel systems for small boats (ISO 10088.2022, IDT)
ISO 15540 Ships and offshore technology - Test methods for fire resistance of non-metallic hose assemblies and non-metallic expansion joints
tors-Testmethods)
Note. GB/T 21477-2024 Ships and offshore technology - Test method for fire resistance of non-metallic hose assemblies and non-metallic compensators (ISO 15540.
2016, IDT)
ISO 15541 Ships and offshore technology - Fire resistance test bench requirements for non-metallic hose assemblies and non-metallic compensators
Note. GB/T 21476-2024 Ship and offshore technology - Fire resistance test bench requirements for non-metallic hose assemblies and non-metallic compensators (ISO
15541.2016,IDT)
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
Fire resistance
The ability of a sample to resist or prevent fire within a certain period of time.
NOTE. Under standard fire test conditions, typical criteria for evaluating fire resistance are fire integrity, fire stability and fire insulation.
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