Fixed firefighting systems - Components for gas extinguishing systems - Part 13: Characteristics for check valves and non-return valves; German and English version prEN 12094-13:2022

Plastics piping systems - Polyethylene (PE), crosslinked polyethylene (PE-X) and unplasticized polyamide (PA-U) pipes - Test method for the resistance to internal pressure after application of squeeze-off; German and English version prEN 12106:2024

Tunnel boring machines - Air locks - Part 1: Requirements for air locks utilising compressed air as the pressurising or breathing medium along with requirements for oxygen breathing systems for decompression purposes; German and English version prEN 12110-1:2023

Tunnel boring machines - Air locks - Part 2: Safety requirements for the use of non-air breathing mixtures and saturation techniques in personnel locks and for pressurised transfer shuttles; German and English version prEN 12110-2:2023

Building hardware - Mechanically operated locks and locking plates - Characteristics and test methods; German version FprEN 12209:2023

Wastewater treatment plants - Part 2: Storm water management systems; German and English version prEN 12255-2:2024

Surface dressing - Test methods - Part 1: Rate of spread and accuracy of spread of binder and chippings; German and English version prEN 12272-1:2024

Surface dressing - Test methods - Part 3: Determination of binder aggregate adhesivity by the Vialit plate shock test method; German and English version prEN 12272-3:2024

Gas-fired sorption appliances for heating and/or cooling with a net heat input not exceeding 70 kW - Part 2: Safety; German and English version prEN 12309-2:2023

Flexible sheets for waterproofing - Part 1: Bitumen sheets for roof waterproofing - Determination of resistance to tearing (nail shank); German and English version prEN 12310-1:2023