The water mist extinguishing system, designed and built by DI.MARCA Srl, operates at a pressure between 100 and 120 bar and is fitted with special nozzles which atomize water into tiny droplets that have an extinguishing effect on the fire resulting from the combination of three main effects:
The water mist extinguishing system has been tested and certified, the DI.MARCA engineers have conducted several types of tests, placing the system in problematic and specific situations, all of which it has passed. The water mist system, offered by DI.MARCA, complies with fire prevention standards NFPA 750, IMO 913, A800 and IMO / CIR. 1165. It has been tested in accordance with FM standards (Appendix G and H) and certified by BV (Bureau Veritas). The nozzles are tested according to UL standards and tests were carried out for archives and electrical cables by RINA Industry. The water mist system in addition to belonging to class 1 (minimum diameter of the drops of water spray less than 100 microns) is considered appropriate, by the above standard, for extinguishing fires of Class A (solid fuels such as paper, wood, etc.) and Class B (liquid fuels such as gasoline, oil, etc.