Tiêu chuẩn quốc tế

• Số hiệu / Standard Number: EN 50303:2000
• Năm ban hành / Publication date: 2000
• Tình trạng / Status: A - Còn hiệu lực
• Tên tiếng Anh / Title in English: Group I, Category M1 equipment intended to remain functional in atmospheres endangered by firedamp and/or coal dust
• Phạm vi áp dụng / Scope of standard: This standard specifies the design, construction, testing and maring requirements for Group I, Category "M1" equipment indended to remain functional in underground parts of mines, as well as those parts of surface installations of such mines endangered by firedamp and/or combustible dust under normal atmospheric conditions (pressures ranging from 0.8 bar to 1.1 bar and temperatures ranging from -20 degree Celcius to +40 degree Celcius.