Tiêu chuẩn quốc tế

• Số hiệu / Standard Number: EN 12321:2003 /A1:2009
• Năm ban hành / Publication date: 2009
• Tình trạng / Status: A - Còn hiệu lực
• Tên tiếng Anh / Title in English: Underground mining machinery - Specification for the safety requirements of armoured face conveyors
• Phạm vi áp dụng / Scope of standard: This European Standard specifies the safety requirements for armoured face conveyors and covers, conveyor drive units, return units, line pans, chain assemblies, devices for tensioning and locking chains. This European Standard does not apply to stage loader ancillaries, armoured face conveyors which form part of mineral bunker systems or operate as spillage conveyors, to haulage systems and guides utilised by extraction machines, to the technical requirements for cable-less remote controls, to compressed air powered machines, or to the interfaces between the elements of the conveyor and other machine installations. Armoured face conveyors are designed for the transport of minerals and rock only.