GB7956.4-2019

Fire fighting vehicles—Part 4: Dry powder fire fighting vehicle

消防车第4部分：干粉消防车

GB 7956.4-2019 es una norma nacional china obligatoria vigente: Fire fighting vehicles—Part 4: Dry powder fire fighting vehicle. Sector: Automoción. Enfoque: Seguridad de productos. Entrada en vigor: 1 jul 2020.

La aplicabilidad depende del alcance del producto, la vía de certificación, los avisos de la autoridad competente y las reglas de transición. Solicite una traducción o verifique la fuente antes de usar esta ficha en una decisión de cumplimiento.

Resumen de cumplimiento

Este resumen está disponible por ahora solo en inglés.

Alcance y aplicabilidad

GB 7956.4-2019 applies specifically to dry powder fire fighting vehicles, as well as the dry powder systems utilized in combined dry powder-foam and dry powder-water fire fighting vehicles. Manufacturers of these specialized emergency vehicles must comply with this standard to access the Chinese market. It should be noted that general fire vehicle requirements are covered in GB 7956.1-2014, while this part focuses exclusively on the dry powder system integration.

Requisitos técnicos

This standard specifies comprehensive technical requirements for the dry powder system and its integration into the chassis. Key areas include the structural integrity of the dry powder tank, which must comply with pressure vessel standards (GB/T 150), and the configuration of steel cylinders and pressure-reducing valves. The system must include safety valves, manual pressure relief devices, and clear Chinese operational instructions. The standard dictates specific performance metrics for the discharge system, including inflation time, effective discharge rate, and remnant dry powder ratio, categorized by the rated dry powder load capacity. Manufacturers must ensure that piping systems possess anti-corrosion properties and include blow-out devices. Additionally, the standard outlines requirements for the fire water system (if applicable as a combined vehicle), instruments, additional gas cylinders, and the mandatory equipment list carried onboard. All vehicles must be delivered with comprehensive Chinese documentation, including operation and maintenance manuals.

Métodos de ensayo

Testing procedures evaluate both the structural integrity and operational performance of the dry powder system. This includes hydrostatic strength tests and seal performance tests for high-pressure and discharge piping. Operational tests measure the actual inflation time, effective discharge rate, and remnant powder ratio to verify compliance with rated capacity parameters. Furthermore, visual inspections and functional checks are conducted on safety valves, pressure gauges, and Chinese labeling to ensure full regulatory compliance.

Preguntas frecuentes

What products are regulated under GB 7956.4-2019?

This standard regulates dry powder fire fighting vehicles and the dry powder systems of combined dry powder-foam and dry powder-water fire fighting vehicles. It is mandatory for all manufacturers producing these specific vehicle types for the Chinese market.

How does GB 7956.4-2019 differ from GB 7956.1-2014?

It specifies dedicated requirements for the dry powder system, including dry powder tanks, steel cylinders, pressure-reducing valves, and specific discharge performance metrics like effective discharge rate and remnant dry powder ratio. General vehicle requirements are referenced from GB 7956.1-2014.

Are there specific language requirements for markings and manuals?

Yes, the standard mandates that all operation instructions, warning labels, and working principle diagrams must use Chinese annotations. Foreign manufacturers must ensure all markings and manuals are accurately translated into Chinese to comply.

The summary above provides a high-level overview of GB 7956.4-2019. To ensure complete compliance for your products entering the Chinese market, a precise and professional translation of the full technical specifications is essential. Purchase our high-quality English translation of GB 7956.4-2019 today to access all detailed parameters, tables, and testing procedures.

Indicaciones de aplicabilidad

Tipo: Producto
CCS: C84
ICS: 13.220.10
Organismo competente: National Fire and Rescue Administration
Comité técnico: National Technical Committee on Fire Protection of Standardization Administration of China