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OENORM EN 13077
Devices to prevent pollution by backflow of potable water - Air gap with non-circular overflow (unrestricted) - Family A - Type B
Edition
2023-09-15
OENORM EN 13433
Devices to prevent pollution by backflow of potable water - Mechanical disconnector, direct actuated - Family G, type A
Edition
2022-06-01
OENORM EN 14451
Devices to prevent pollution by backflow of potable water - In-line anti-vacuum valves DN 10 to DN 50 inclusive - Family D, type A
Edition
2020-10-01
OENORM EN 13079
Devices to prevent pollution by backflow of potable water - Air gap with injector - Family A - Type D
Edition
2003-11-01
OENORM EN 14622
Devices to prevent pollution by backflow of potable water - Air gap with circular overflow (restricted) - Family A, type F
Edition
2005-09-01
OENORM EN 13078
Devices to prevent pollution by backflow of potable water - Air gap with submerged feed incorporating air inlet plus overflow - Family A, type C
Edition
2004-02-01
OENORM EN 13959
Anti-pollution check valves - DN 6 to DN 250 inclusive family E, type A, B, C and D
Edition
2005-02-01
SN EN 12729 ; SIA 385.085:2023-07
Devices to prevent pollution by backflow of potable water - Controllable backflow preventer with reduced pressure zone - Family B - Type A
Edition
2023-07
SN EN 13077 ; SIA 385.087:2023-07
Devices to prevent pollution by backflow of potable water - Air gap with non-circular overflow (unrestricted) - Family A - Type B
Edition
2023-07
SN EN 13433 ; SIA 385.120:2022-05
Devices to prevent pollution by backflow of potable water - Mechanical disconnector, direct actuated - Family G, type A
Edition
2022-05