NF EN 14454-2005 标准详情
- 标准号:NF EN 14454-2005
- 中文标题:建筑物水管阀门."HA" 端部断路器. 一般技术规范
- 英文标题:Devices to prevent pollution by backlow of potable water - Hose union backflow preventer DN 15 to DN 32 - Family H, type A.
- 标准类别:法国国家标准
- 发布日期:2005-10-01
Defines the characteristics of hose union backflow preventers DN 15 to DN 32 that are suitable for use in drinking water systems at pressures up to 1 MPa (10 bar) and temperatures up to 65 Degree C and for 1 h at 90 Degree C.
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