NA 022
DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE
DIN EN 61770 ; VDE 0700-600:2023-06 [CURRENT] references following documents:
| Document number | Edition | Title |
|---|---|---|
| EN 14452 | 2005-05 | Devices to prevent pollution by backflow of potable water - Pipe interrupter with atmospheric vent and moving element DN 10 to DN 20 - Family D, type B More |
| EN 14453 | 2005-05 | Devices to prevent pollution by backflow of potable water - Pipe interrupter with permanent atmospheric vent DN 10 to DN 20 - Family D, type C More |
| EN 14454 | 2005-05 | Devices to prevent pollution by backflow of potable water - Hose union backflow preventer DN 15 to DN 32 - Family H, type A More |
| EN 14622 | 2005-05 | Devices to prevent pollution by backflow of potable water - Air gap with circular overflow (restricted) - Family A, type F More |
| EN 14623 | 2005-05 | Devices to prevent pollution by backflow of potable water - Air gaps with minimum circular overflow (verified by test or measurement) - Family A, type G More |
| EN 15096 | 2020-06 | Devices to prevent pollution by backflow of potable water - Hose Union anti-vacuum valves - DN 15 to DN 25 inclusive Family H, type B and type D - General technical specification More |
| IEC 61770 | 2008-07 | Electric appliances connected to the water mains - Avoidance of backsiphonage and failure of hose-sets More |
