本欧洲标准的这一部分规定了EN 12952-1定义的水管锅炉设备和保护装置的基本要求，以确保锅炉在允许的极限（压力，温度等）内安全运行。 注1:无需手动干预的锅炉特别需要的附加要求在第7章中规定。 注2:化学品回收锅炉设备的要求见附件A.

This part of this European Standard specifies the essential requirements for equipment and protective devices for water-tube boiler plant as defined in EN 12952-1, to ensure the boiler operates safely within the allowable limits (pressure, temperature, etc.). NOTE 1 Additional requirements specially needed for boilers without manual intervention are specified in Clause 7. NOTE 2 Requirements for equipment for chemical recovery boilers are given in Annex A.