EN 12259的这一部分规定了洪水的要求，试验方法，一致性和标记的评估 报警阀的标称尺寸范围DN40至DN250，用于防火喷水 系统。 本欧洲标准不包括弹性套管式阀门，不包括设计规则， 防火喷水系统的安装和维护。 EN 12259的这一部分不包括辅助部件和雨淋报警阀的附件 自动排水阀除外

This part of EN 12259 specifies requirements, test methods, evaluation of conformity and marking of deluge alarm valves with a nominal size range DN40 to DN250 intended to be used in fire protection water spray systems. This European Standard does not cover elastomeric sleeve type valves and does not include rules for design, installation and maintenance of fire protection water spray systems. Auxiliary components and attachments to deluge alarm valves are not covered by this part of EN 12259 with the exception of automatic drain valves.