ANSI/ASSE 1063-2009 标准详情
- 标准号:ANSI/ASSE 1063-2009
- 中文标题:气阀和通气流入防护装置性能要求
- 英文标题:Performance Requirements for Air Valve and Vent Inflow Preventer
- 标准类别:美国国家标准
- 发布日期:2009
The purpose of Air Valve and Vent Inflow Preventer Assemblies is to allow the release and admission of high volumes of air through air valves and air vents in water distribution systems but prevent the entry of contaminated water when the air valve o
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