NS EN 14454 Ed. 1 标准详情
- 标准号:NS EN 14454 Ed. 1
- 中文标题:设备,以防止污染回流饮用水 - 软管接头防回流装置DN 15至DN 32 - 家庭H, A型
- 英文标题:Devices To Prevent Pollution By Backflow Of Potable Water - Hose Union Backflow Preventer Dn 15 To Dn 32 - Family H, Type A
- 标准类别:挪威标准NS
- 发布日期:
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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