Floating leisure articles for use on and in the water - Part 4: Additional specific safety requirements and test methods for Class B devices (ISO/DIS 25649-4:2021); German and English version prEN ISO 25649-4:2021
Edition 2021-11

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; German version EN 15096:2020
Edition 2020-10

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 - Pipe interrupter with atmospheric vent and moving element DN 10 to DN 20 - Family D, type B; German version EN 14452:2005
Edition 2005-08

Devices to prevent pollution by backflow of potable water - Pressurised air inlet valves DN 15 to DN 50 - Family L, type A and type B; German version EN 14455:2005
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

Gas-fired central heating boilers - Type B boilers of nominal heat input exceeding 300 kW, but not exceeding 1000 kW; German version EN 13836:2006
Edition 2007-06

Maritime navigation and radiocommunication equipment and systems - Class B shipborne equipment of the automatic identification system (AIS) - Part 1: Carrier-sense time division multiple access (CSTDMA) techniques (IEC 62287-1:2017); English version EN 62287-1:2017
Edition 2018-01

BS EN ISO 25649-4. Floating leisure articles for use on and in the water. Part 4. Additional specific safety requirements and test methods for Class B devices
Edition 2021-10-11

Floating leisure articles for use on and in the water - Part 4: Additional specific safety requirements and test methods for Class B devices (ISO 25649-4:2017)
Edition 2018-01-10