prSSH EN 14972-1:2020+A1:2025

Fixed firefighting systems - Water mist systems - Part 1: Design, installation, inspection and maintenance

Scope

This document specifies requirements and gives recommendations for the design, installation, inspection and maintenance of all types of fixed land based water mist systems.
This document is intended to apply to water mist automatic nozzle systems and water mist deluge systems supplied by stand alone or pumped systems.
The document covers only applications and occupancies which are covered by the fire test protocols of the EN 14972 series.
Aspects of water mist associated with explosion protection and/or use within vehicles are not covered by this document.
This document does not cover all legislative requirements. In certain countries specific national regulations apply and take precedence over this document. Users of this document are advised to inform themselves of the applicability or non-applicability for this document by their national responsible authorities.