Water mist systems significantly increase the effect of the water used by […]
Water mist systems significantly increase the effect of the water used by generating very small droplets – VdS now offers manufacturers and users the usual level of safety with product Guidelines. Photo source: „Marioff“.
The number of water mist extinguishing systems is increasing – however, test standards so far only existed for individual components. VdS is now closing this gap with Guidelines available for free download.
Cologne/Germany, September 1, 2022. Water mist systems use finely dispersed water to fight fires, thus displacing oxygen and absorbing heat – combining the effects of gas extinguishing and traditional sprinkler systems. The small droplet sizes (≤1 mm diameter) significantly enhance the effect of the water used, also minimizing water damage. VdS now backs up manufacturers as well as users with a basic product standard systematically testing effectiveness and reliability.
Until now, product regulations existed only for selected components (e.g. EN 17450-1, filters and strainers, or ISO 6182-9, nozzles from 12 bar); VdS testing was based on time-consuming case-by-case analysis for every component. The newly published Guidelines provide immediate relief. “We have been testing water-based firefighting systems since they were first used in Europe – the new regulations incorporate several decades of experience”, emphasizes Frank Bzdega, head of the VdS laboratories for water extinguishing systems. “Hundreds of possible failures in this complex technology – one way to ensure that the systems always work when they are needed: the VdS Approval.“
The Guidelines VdS 3100, “High-pressure water mist systems, Requirements and test methods”, are available for free download in the vds-shop.de; for water mist sprinklers and nozzles of all pressure levels, VdS 3100-46 has also been newly published.
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Services include risk assessments, testing and certification, inspections, information systems for natural hazards and an extensive training program. In addition, the independent institute sets international safety and security standards with the publication of a comprehensive set of Guidelines.
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