Föst slökkvikerfi - Hlutir í gasslökkvikerfi - Hluti 13: Eiginleikar fyrir eftirlits- og einstreymisloka
Enskt heiti:
Fixed firefighting systems - Components for gas extinguishing systems - Part 13: Characteristics for check valves and non-return valves
Tækninefnd:
CEN/TC 191
ICS flokkur:
13.220
Auglýst:
2.11.2022
Umfang (scope):
This document specifies the characteristics and describes test methods for check and non-return valves for CO2, inert gas or halocarbon gas fire extinguishing systems.Non-return and 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 between container valve and manifold and non-return valves installed in pilot lines, except those valves which are tested in combination with non-electrical control devices.