ČSN EN 14972-4
Stabilní hasicí zařízení - Mlhová zařízení - Část 4: Zkušební postup systémů s uzavřenými hlavicemi pro nevýrobní objekty

ČSN EN 14972-4 (38 9260)

This document specifies the evaluation of the fire performance of water mist systems for lightly loaded non-storage and non-manufacturing occupancies with ordinary combustibles, such as offices, schools, hospitals and hotels.
This document is applicable to ceiling mounted automatic nozzles to be used in restricted and/or unlimited areas.
This document is applicable for horizontal, solid, flat ceilings with heights of 2 m and above, up to the maximum tested ceiling height.