Air braking systems; shuttle valve with backflow
Edition 1987-04

Irrigation equipment - Safety devices for chemigation - Part 1: Small plastics valves for chemigation (ISO 13693-1:2013); German version EN ISO 13693-1:2017
Edition 2017-07

Devices to prevent pollution by backflow of potable water - Mechanical disconnector, direct actuated - Family G, type A; German version EN 13433:2021
Edition 2022-04

Devices to prevent pollution by backflow of potable water - Mechanical disconnector, flow actuated - Family G, Type B; German version EN 13434:2021
Edition 2022-04

Devices to prevent pollution by backflow of potable water - Air gap with submerged feed incorporating air inlet plus overflow - Family A, type C; German version EN 13078:2003
Edition 2004-02

Devices to prevent pollution by backflow of potable water - Unrestricted air gap - Family A - Type A; German version EN 13076:2003
Edition 2004-05

Devices to prevent pollution by backflow of potable water - Automatic diverter - Family H, type C; German version EN 14506:2005
Edition 2005-08

Devices to prevent pollution by backflow of potable water - Air gaps with minimum circular overflow (verified by test or measurement) - Family A, type G; German version EN 14623:2005
Edition 2005-08

Devices to prevent pollution by backflow of potable water - Air gap with circular overflow (restricted) - Family A, type F; German version EN 14622:2005
Edition 2005-08

Devices to prevent pollution by backflow of potable water - Air gap with non-circular overflow (unrestricted) - Family A - Type B; German version EN 13077:2023
Edition 2023-07