GB 7956.11-2025 Fire fighting vehicle—Part 11：Turbo-jet engine fire fighting vehicle English, Anglais, Englisch, Inglés, えいご
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ICS
CCS H
National Standard of the People's Republic of China
GB 7956.11-2025
Fire fighting vehicles - Part 11: Turbo-jet engine fire fighting vehicle
消防车 第11部分：涡喷消防车
Issue date: 2025-12-02 Implementation date: 2027-01-01
Issued by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
the Standardization Administration of the People's Republic of China
Contents
Foreword
1 Scope
2 Normative References
3 Terms and Definitions
4 Technical Requirements
4.1 Basic Requirements
4.2 Vehicle Requirements
4.3 Chassis Modification Requirements
4.4 Marking Requirements
4.5 Firefighting Hydraulic System Requirements
4.6 Hydraulic System Requirements
4.7 Control Cabinet Requirements
4.8 Turbo-jet Extinguishing Device Requirements
4.9 Requirements for Accompanying Documentation, Tools, and Wear Parts
5 Test Methods
5.1 Basic Requirements Tests
5.2 Vehicle Requirements Tests
5.3 Tests for Chassis Modification Requirements
5.4 Marking Inspection
5.5 Firefighting Hydraulic System Tests
5.6 Hydraulic System Tests
5.7 Control Cabinet Tests
5.8 Turbo-jet Extinguishing Device Tests
5.9 Inspection of Accompanying Documentation, Tools, and Wear Parts
6 Inspection Rules
6.1 Types of Inspection
6.2 Decision Rules
7 Packaging, Transportation, and Storage
7.1 Packaging
7.2 Transportation
7.3 Storage
Fire Fighting Vehicles - Part 11: Turbo-jet Engine Fire Fighting Vehicles
1 Scope
This document defines the terms for turbo-jet engine fire fighting vehicles, specifies technical requirements, inspection rules, and packaging, transportation, and storage requirements, and describes the corresponding test methods.
This document is applicable to the design, manufacture, and inspection of various types of turbo-jet engine fire fighting vehicles (hereinafter referred to as "turbo-jet vehicles").
2 Normative References
The contents of the following documents constitute indispensable clauses of this document through normative reference. For dated references, only the edition corresponding to the date applies. For undated references, the latest edition (including all amendments) applies.
GB 7956.1 Fire Fighting Vehicles - Part 1: General Technical Requirements
GB 7956.3-2014 Fire Fighting Vehicles - Part 3: Foam Fire Fighting Vehicles
GB 7956.12-2015 Fire Fighting Vehicles - Part 12: Aerial Fire Fighting Vehicles
GB 7956.14-2015 Fire Fighting Vehicles - Part 14: Emergency Rescue Fire Fighting Vehicles
GB 18296-2019 Power-driven vehicles - Safety performance requirements and test methods for fuel tanks and their installation
XF 39-2016 Fire Fighting Vehicles - Firefighting Requirements and Test Methods
3 Terms and Definitions
The terms and definitions defined in GB 7956.1 and the following apply to this document.
3.1
turbo-jet engine fire extinguishing device
A device installed on a turbo-jet fire fighting vehicle that uses the exhaust gas flow of a turbojet (turbofan) engine to discharge fire extinguishing agents.
3.2
thrust-weight ratio
The ratio of the rated thrust of the turbojet (turbofan) engine to the curb mass of the vehicle.
4 Technical Requirements
4.1 Basic Requirements
Turbo-jet vehicles shall comply with the provisions of GB 7956.1.
4.2 Vehicle Requirements
4.2.1 Turbo-jet vehicles shall be equipped with a vehicle electrostatic discharge strap with a cross-sectional area not less than 100 mm².
4.2.2 If auxiliary fuel tanks are installed on the turbo-jet vehicle, their safety performance and installation requirements shall comply with the requirements of GB 18296-2019.
4.3 Chassis Modification Requirements
Chassis modifications for turbo-jet vehicles shall comply with the relevant requirements in clause 4.3 of GB 7956.3-2014.
4.4 Marking Requirements
4.4.1 The operating instructions and markings for the hydraulic system of the turbo-jet vehicle shall comply with the requirements in clause 4.2.2.1 of GB 7956.3-2014.
4.4.2 Display instruments for the turbo-jet extinguishing device shall be complete, displaying at least parameters such as turbo-jet engine speed, turbo-jet engine temperature, and auxiliary fuel tank capacity.
4.4.3 Operation buttons for the turbo-jet extinguishing device shall have functional description plates. Safety protection devices and permanently fixed warning signs shall be provided at hazardous operation locations.
4.4.4 Operating procedures and precautions for the turbo-jet extinguishing device shall be provided at the operating location(s). The content shall be complete and clear. The operating procedures shall include the type and grade of fuel and lubricating oil used for the engine, and the corresponding operating temperature and warning temperature.
4.4.5 The operating instructions, operating markings, and warning signs for the turbo-jet vehicle shall comply with the relevant requirements in Appendix H of XF 39-2016.
4.4.6 A working strobe light shall be installed on the top of the turbo-jet vehicle.
4.5 Firefighting Hydraulic System Requirements
4.5.1 For turbo-jet vehicles whose firefighting hydraulic system is equipped with water outlets, if supplying water externally via fire hoses, their firefighting hydraulic system shall comply with the requirements in clauses 4.4.2.1, 4.4.2.2.2 to 4.4.2.2.6, 4.4.2.3, 4.4.2.4, 4.4.2.5, 4.4.3, 4.4.4.1.1 to 4.4.4.1.5, 4.4.4.3, and 4.4.5 to 4.4.8 of GB 7956.3-2014.
4.5.2 For turbo-jet vehicles that supply water only to the turbo-jet extinguishing device, their firefighting hydraulic system shall comply with the requirements in clauses 4.4.1, 4.4.3, and 4.4.4.3 of GB 7956.3-2014.
4.5.3 For turbo-jet vehicles equipped with a foam extinguishing device, the foam concentrate mixing ratio shall comply with the requirements in clause 4.4.4.1.6 of GB 7956.3-2014.
4.6 Hydraulic System Requirements
4.6.1 The hydraulic oil tank of the turbo-jet vehicle shall ensure that after 50 continuous lifting/lowering cycles of the hydraulic system, the hydraulic oil temperature in the tank does not exceed 90°C. The hydraulic system shall not exhibit phenomena such as shuddering, creeping, or sticking, and hydraulic components shall not show oil leakage, seepage, or mechanical damage.
4.6.2 The outrigger and superstructure hydraulic systems of the turbo-jet vehicle shall be equipped with separate pressure gauges with a range not less than the maximum working pressure.
4.6.3 The hydraulic system of the turbo-jet vehicle shall be equipped with an overflow valve (pressure relief valve).
4.6.4 Hydraulic systems using solenoid valve control shall be equipped with a manual emergency operation device.
4.6.5 The hydraulic system's oil tank shall comply with the requirements in clause 4.2.3.4 of GB 7956.12-2015.
4.6.6 The hydraulic system's oil filter shall comply with the requirements in clause 4.2.3.5 of GB 7956.12-2015.
4.7 Control Cabinet Requirements
For turbo-jet vehicles equipped with a control cabinet, its performance shall comply with the requirements in clauses 4.4.3.1.8 to 4.4.3.1.10 of GB 7956.14-2015.
4.8 Turbo-jet Extinguishing Device Requirements
4.8.1 General Requirements
4.8.1.1 The turbo-jet vehicle shall remain stable when the turbo-jet extinguishing device operates at its rated speed within its working range.
4.8.1.2 For turbo-jet vehicles with the operating system located inside the cab, the working status of the turbo-jet extinguishing device shall be directly observable from the cab
