UNE EN 12729-2003 标准详情
- 标准号:UNE EN 12729-2003
- 中文标题:
- 英文标题:Devices To Prevent Pollution By Backflow Of Potable Water - Controllable Backflow Preventer With Reduced Pressure Zone - Family B - Type A
- 标准类别:西班牙国家标准UNE
- 发布日期:
Specifies the field of application, the dimensional, the physico-chemical, the design, the hydraulic, the mechanical, and the acoustic characteristics of controllable backflow preventer with reduced pressure zone Family B Type A.
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