한국어 요약 · 번역 의뢰 가능
GB20904-2007
Horizontal directional drilling - Safety operation rules
水平定向钻机 安全操作规程
GB 20904-2007은(는) 현행 중국 강제 국가 표준입니다: Horizontal directional drilling - Safety operation rules. 산업: 전자. 주제: 제품 안전. 시행일: 2007년 10월 1일.
적용 여부는 제품 범위, 인증 경로, 주관 당국 공고, 전환 규정에 따라 달라집니다. 컴플라이언스 판단에 사용하기 전에 번역을 의뢰하거나 공식 출처를 확인하세요.
컴플라이언스 개요
이 개요는 현재 영어로만 제공됩니다.
적용 범위
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.
기술 요구 사항
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.
시험 방법
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.
자주 묻는 질문
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.
적용 참고 사항
- 유형
- 안전
- CCS
- P97
- ICS
- 53.100
- 주관 부처
- Ministry of Industry and Information Technology
- 기술 위원회
- Ministry of Industry and Information Technology