Product Description

The VID Fire-Kill Model APS – Atrium is a system utilizing very small open watermist nozzles designed specifically for the protection of atriums and other such large rooms. The system is a horizontal zoned deluge system and is designed to blend into the building structure for esthetic appearance. Each nozzle can be supplied in any RAL colour and is no larger than 1cm³. The system can cover up to 13m from the installation point on the wall, making it possible to protect most atriums with wall installed nozzles only. The system operates with as low as 5 bar and can save up to 85% water consumption compared to sprinkler solutions.

Product Approval & Scope


The Model APS –  Atrium is successfully tested to DFL test method standard TM70111-04 and TM90810-01, both soon to be a part of CEN/EN 14972 (European watermist standard). These tests cover fuel loads typically found in atriums. Additionally, they cover ventilation rates in atriums up to 5m/s.


The Model APS – Atrium is designed to cover atriums where the main fire risk is positioned on the floor, and where low to medium fuel loads are found. Such atriums can be with unlimited height and unlimited length, and can be up to 26m wide. Such atriums are typically found in shopping centers, airports, hotels, offices buildings, etc.

Product Uniqueness

– First system to be tested to the CEN/TS14972 Atrium test protocol,
– Covers up to 26m wide atriums with horizontal installations only,
– Designed to blend into the surroundings,
– Large nozzle orifices to reduce clogging possibilities,
– Low water pressures,
– Low water flow.

Model APS - Atrium related documents