Aerosol fire extinguishing

Aerosol fire-extinguishing systems are used in specific sectors: the very fine powder emitted, usually consisting of a suspension of potassium compounds in air, chemically inhibits combustion. Aerosol fire-extinguishing agents are environmentally friendly as they do not interfere with ozone distribution processes, are not harmful to humans, and do not damage materials. They can also be easily removed with a vacuum cleaner and washed with water.

The system can be either localised, to protect a specific site from a fire outbreak, or fully saturated to preserve the entire space. Powder production is ensured by aerosol generators: steel containers of various weights.

The easy availability of components, the absence of environmental impact, the lack of constraints on actual discharge tests of the systems, and the low maintenance and recharging costs make inert gas systems a good choice for protecting even sites where delicate and valuable objects are kept.

The aerosol fire-extinguishing agent is not suitable for extinguishing fires involving alkaline substances or substances that burn in the absence of air.

Once the conditions for use have been verified, aerosol fire-extinguishing systems prove to be "lean" systems that do not require piping or pressurised cylinders.

In order to ensure their effectiveness, it is essential that the checks required by the standards, which detail all the activities and maintenance schedules, be performed by specialised personnel.

Faro is the right pratner!

  • Expertise: we know the standards and propose the right solution
  • Reliability: we test all the products we offer
  • Care for the environment: we know how to handle waste and have developed a system of circular economy and reuse
The FARO Team

  • Our technicians receive continuous professional training
  • Our staff are direct employees, not subcontracted
  • We are very well acquainted with multi-site industrial, logistics, and retail operations
FARO is always there

  • Technical service on call 24 hours a day, 7 days a week
  • Direct phone support provided by our operators
  • Expert advice on all regulatory updates

Maintenance phases and frequency

Phase Frequency Situation
Initial inspection - Assumption
(responsible company)
Occasional Before delivery of a new or modified system or when assuming the maintenance of a system
Continuous According to the scheduled maintenance plan dal responsabile del sistema
Routine maintenance
(responsible company)
At least every 6 months According to the scheduled maintenance plan
Extraordinary maintenance
(responsible company)
Occasional According to need for major repairs
Dispenser Replacement Factory requirements According to Manufacturer's declarations

Documentation to be acquired prior to starting maintenance activities

  • User and maintenance manual;
  • As-built designs and documentation of the system;
  • Manufacturers' test procedure;
  • Test equipment;
  • Electronic instruments suitable for the tests to be performed.

Initial inspection

To be performed by the Maintenance Technician

Preliminary Inspection
  • Verification that the system corresponds to the executive plan; Installation in conformity with the standard;
  • Visual inspection of the system.
Functional Check
  • Verification that the system logics correspond to the project requirements and the operating documents as well as the user and maintenance manual;
  • In the presence of other interconnected systems (active or passive protection or technological systems), check that the system logics are consistent with the project requirements.


To be completed by the Assigned personnel

  • Visual inspection;
  • Checking the status messages on the control unit;
  • Check that the dispensers are correctly positioned and correctly connected to the control lines;
  • Check that any selector switches are positioned in the manner established by the system procedure.
  • Weekly, monthly depending on the type of check to be carried out and the size of the system.

Periodic inspection

To be performed by the Maintenance Technician

  • Check that the initial inspection documents are on hand;
  • Check that no actions have been taken or structural changes made in the protected environment.
  • Check that the dispensers are correctly positioned and correctly connected to the control lines;
  • Check that the dispensers' expiry dates correspond to the manufacturer's declarations and the label, and replace them if they have expired;
  • Check that any selector switches are positioned in the manner established by the system procedure;
  • Check that there are no alarm or fault lights;
  • Check that any power supply units are in good working order;
  • Check the charge status of any backup batteries (with replacement after every two years of service with batteries having equivalent characteristics);
  • Check that each dispenser’s actuators are in good working order;
  • Blank tests of the system to check that it is functioning properly, with operating conditions being restored afterwards.

General system check

To be performed by the Maintenance Technician

  • At least once every 5 years.
  • Verification of the availability of spare parts;
  • Verification that the system has not changed (if substantial modifications have been made, the technical documentation must be acquired in the new as-built configuration).
  • Actuator Replacement.
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