RO
SR EN 13077:2004
Devices to prevent pollution by backflow of potable water - Air gap with non-circular overflow (unrestricted) - Family A, type B
This European Standard specifies the characteristics and the requirements of air gap with non-circular overflow (unrestricted) Family A Type B for nominal flow velocity not exceeding 3 m/s. Air gaps are devices for protection of potable water in water installations from pollution. This standard applies to air gaps in factory assembled products and to constructed air gaps in situ, and defines the physico-chemical characteristics of materials of construction used for the purpose and application to ensure compliance with this standard during normal working use. The annex A gives a relationship for rectangular overflow and the annex B is a note for alternative constructions.
Status :
Withdrawn
Approval date : 6/30/2004
Publish date : 7/1/2004
Withdrawal date : 11/30/2008
Number of pages : 18
ICS : 13.060.20 Drinking water,23.060.99 Other valves
Technical Committee : 52 - Water quality
- Normative reference SR EN 1717:2004
- Replaced by SR EN 13077:2008