GB20904-2007

Horizontal directional drilling - Safety operation rules

水平定向钻机安全操作规程

GB 20904-2007 es una norma nacional china obligatoria vigente: Horizontal directional drilling - Safety operation rules. Sector: Electrónica. Enfoque: Seguridad de productos. Entrada en vigor: 1 oct 2007.

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

Applies to horizontal directional drilling machines defined in JB/T 10548. This standard is mandatory for all manufacturers and operators of HDD equipment in China. It covers general requirements, operating conditions, and safety procedures before, during, and after operation.

Requisitos técnicos

Specifies mandatory requirements for operator qualifications, requiring specialized training and familiarity with the equipment. Operators must wear insulating shoes, safety helmets, and insulating gloves. Details strict criteria for drill pipe maintenance and retirement. Drill pipes must be discarded if surface wear exceeds 15% of wall thickness, or if local bending exceeds 5mm per 500mm length. Friction-welded drill pipes require periodic flaw detection at the welds. Defines operating environment limits, specifically an ambient temperature range of -0°C to +40°C. It also mandates the installation of grounding protection devices as per the manual.

Métodos de ensayo

Involves pre-operation checks of hydraulic and electrical systems, calibration of the directional system, and testing of emergency stop switches. Post-operation requires visual inspection of reamer welds, splitter connecting pins, and drill tool threads for cracks or wear.

Preguntas frecuentes

What products are regulated under GB 20904-2007?

It regulates horizontal directional drilling machines as specified in JB/T 10548.

What are the mandatory clauses in GB 20904-2007?

Clauses 3.1, 3.4, 3.12, 3.13a)~3.13c), and 3.17 are mandatory, covering operator training, PPE, drill pipe inspection, and grounding.

What are the environmental operating limits?

The standard specifies that the working environment temperature must be between -0°C and +40°C.

The summary above provides a high-level overview of GB 20904-2007. 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 20904-2007 today to access all detailed parameters, tables, and testing procedures.

Indicaciones de aplicabilidad

Tipo: Seguridad
CCS: P97
ICS: 53.100
Organismo competente: Ministry of Industry and Information Technology
Comité técnico: Ministry of Industry and Information Technology