Plastics piping systems - Valves for polyethylene (PE) piping systems - Test method for leaktightness under and after bending applied to the operating mechanisms; German and English version prEN 1680:2023
Edition 2023-11

Plastics piping systems - Thermoplastics valves - Test method for the integrity of a valve after an external blow; German and English version prEN 1705:2024
Edition 2024-03

Protection against pollution of water intended for human consumption in potable water installations and general requirements for devices to prevent pollution by backflow; German and English version prEN 1717:2023
Edition 2023-07

Glass in building - Special basic products - Borosilicate float glass - Part 1-1: Definitions and general physical and mechanical properties; German and English version prEN 1748-1-1:2017
Edition 2017-07

Glass in building - Special basic products - Borosilicate float glass - Part 1-2: Product standard; German and English version prEN 1748-1-2:2017
Edition 2017-07

Glass in building - Special basic products - Glass ceramics - Part 2-1: Definitions and general physical and mechanical properties; German and English version prEN 1748-2-1:2017
Edition 2017-09

Glass in building - Special basic products - Glass ceramics - Part 2-2: Product standard; German and English version prEN 1748-2-2:2017
Edition 2017-09

Ventilation for buildings - Air terminal devices - Aerodynamic testing of damper and valves; German and English version prEN 1751:2023
Edition 2023-02

Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, Class designated - Part 3: Copper alloy flanges; German and English version prEN 1759-3:2021
Edition 2022-02

Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, Class designated - Part 4: Aluminium alloy flanges; German and English version prEN 1759-4:2021
Edition 2022-01