The AerPro Marine fire extinguishing system is effective, easy,
We have visited the La Spezia-based Sanlorenzo headquarters and climbed on board the “Ocean’s Four” explorer to discover, accompanied by engineer Alberto Palazzo, the AerPro Marine fire extinguishing system developed by the Italian company Polytechno Engineering.
AerPro Marine is an aerosol fire extinguishing system that uses condensed potassium salts and can be installed in place of a traditional fire protection system.
These aerosol systems, unlike those using extinguishing agents such as CO₂, Novec or FM200, use mixtures of substances with formulas proprietary to each company, thus differing in performance, characteristics and certifications.
AerPro is the only US EPA-certified, non-toxic and sprinkler equivalent system, thus usable in all human habitable spaces. AerPro also holds around 40 other certificates worlwide that guarantee installation anywhere, with live systems, delicate mechanics or paper. The system has no nozzles, pipes or cylinders, is very compact and can be installed without mayor intervention as it only requires an electrical connection.
This dense vapour is breathable and non-toxic, but it has the only disadvantage of removing visibility from the environment, so the following procedure has been studied.
In the vase of boats of over 24 meter, the permitted activation is only in manual mode, as the fire develops a siren sounds in the event room to induce evacuation and, in the meantime, the control unit immediately checks all the points in the system. To activate the AerPro, it is necessary to confirm the pre-alarm on the control panel, and then press the activation button for the emergency zone. The thermal activator in the compound heats up to over 250 degrees and the heat produces triggers an immediate chemical reaction.
The electronic control panels in the various compartments are equipped with an emergency system that makes it possible to activate all AerPro units on the boat simultaneously.
The AerPro system is sized according to the volume to be protected, the largest model being a cube with a side of 30 cm: from half a cubic meter upwards, everything is possible and modular.
Potassium aerosol is non-damaging and non-staining; it is also suitable for archives such as the Veneranda Fabrica del Duomo di Milano, which has chosen AerPro to protect its precious works. Once cooled, some small residues of aerosol can be deposited on the surfaces, in an easily removable way that does not affect any support.
In conclusion, the system is extremely safe and highly reliable to protect the life of people on board and limit damage to the boat.
Polytechno Engineering – Aerosol AerPro (polytechno-eng.com)
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