GB20904-2007

Horizontal directional drilling - Safety operation rules

水平定向钻机安全操作规程

GB 20904-2007 ist eine gültige verbindliche chinesische Nationalnorm: Horizontal directional drilling - Safety operation rules. Branchencluster: Elektronik. Schwerpunkt: Produktsicherheit. Inkrafttreten: 1. Okt. 2007.

Die Anwendbarkeit hängt vom Produktumfang, dem Zertifizierungsweg, Bekanntmachungen der Behörden und Übergangsregeln ab. Fordern Sie eine Übersetzung an oder prüfen Sie die Quelle, bevor Sie diesen Eintrag für Compliance-Entscheidungen nutzen.

Compliance-Überblick

Dieser Überblick ist derzeit nur auf Englisch verfügbar.

Geltungsbereich und Anwendbarkeit

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.

Technische Anforderungen

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.

Prüfverfahren

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.

Häufige Fragen

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.

Hinweise zur Anwendbarkeit

Normtyp: Sicherheit
CCS: P97
ICS: 53.100
Zuständige Behörde: Ministry of Industry and Information Technology
Technisches Komitee: Ministry of Industry and Information Technology