50.20 Proof sent to secretariat or FDIS ballot initiated: 8 weeks Dec 5, 2024
CEN
CEN/TC 191 Fixed firefighting systems
European Norm
13.220.20 Fire protection
This document specifies the requirements and describes the test methods for check valves for water mist firefighting systems.
Check valves allow the passage in the direction of flow and they prevent flow in the reverse direction.
This document is applicable to check valves installed in the pipework of water mist firefighting systems.
IN_DEVELOPMENT
FprEN 17450-3
50.20
Proof sent to secretariat or FDIS ballot initiated: 8 weeks
Dec 5, 2024