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SN EN 14451 ; SIA 385.111:2020
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
SN EN 13959 ; SIA 385.364:2004-12
Anti-pollution check valves - DN 6 to DN 250 inclusive family E, type A, B, C and D
Edition
2004-12
SN EN 14622 ; SIA 385.117:2005-12
Devices to prevent pollution by backflow of potable water - Air gap with circular overflow (restricted) - Family A, type F
Edition
2005-12
SN EN 13079 ; SIA 385.089:2003-12
Devices to prevent pollution by backflow of potable water - Air gap with injector - Family A; Type D
Edition
2003-12
NF F01-014
Railway transport equipment. Type A and C machining centres for axles
Edition
1974-11-01
19/30385591 DC
BS 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
2019-01-30
24/30488707 DC
BS EN 13079 Devices to prevent pollution by backflow of potable water - Air gap with injector - Family A - Type D
Edition
2024-04-11
BS EN 12729
Devices to prevent pollution by backflow of potable water. Controllable backflow preventer with reduced pressure zone. Family B. Type A
Edition
2023-03-09
BS EN 13077
Devices to prevent pollution by backflow of potable water. Air gap with non-circular overflow (unrestricted). Family A. Type B
Edition
2023-03-09
BS EN 13433
Devices to prevent pollution by backflow of potable water. Mechanical disconnector, direct actuated. Family G, type A
Edition
2022-01-13
