The Ardent AFFF Fire Suppression System has been developed for the protection of engine and transmission compartments, brakes and hydraulic areas of mining, quarrying, construction, waste disposal and forestry vehicles.
Ordinary combustibles or flammable liquids can be ignited by the engine, turbo charger, exhaust manifold, electrical components or brakes. In little time the entire machine can be involved in fire. A burst hydraulic hose or faulty fitting can provide a continuous spray of burning fluid. Aqueous Film Forming Foam (AFFF) at 6% concentration is the agent employed in this system and is purposely designed to suppress these types of fires.
The Ardent AFFF Fire Suppression System will keep fire damage to a minimum in any machine it protects. Developed in Australia, the system utilises state of the art technology including a compact, durable cylinder-mounted discharge control valve.
Features

• Suits all vehicles
• 6% AFFF agent
• Built-in overpressure safety device
• Corrosion resistant
• Automatic operation
• Low maintenance

Operation
Fire detection is achieved by either electrical or pneumatic means. When fire is detected, the system will be operated manually or automatically to shutdown the engine and discharge the fire suppressing agent. Actuation is available through loss of pressure or by the use of nitrogen charged cartridges. The foam agent is discharged through fixed discharge hoses and specifically positioned nozzles.
Air-aspirated foam quickly covers all surfaces suppressing the fire. The system utilises stainless steel foam storage cylinders, steel braided hydraulic hose, and brass nozzles with brass blow off caps.
The entire Ardent AFFF Fire Suppression System has been fully tested and accepted by authorities throughout the UK, Australia, S.E. Asia and Papua New Guinea. Safety features include a pressure relief burst disc which complies with AS1358-1989.
The system can be recharged on the spot without special tools or equipment – especially important in remote locations.
Maintenance
Maintenance should be conducted on a regular basis to provide maximum assurance that the system will operate effectively and safely. This routine maintenance, or servicing and refilling after a system discharge, can be arranged through our local office.
Applications

• Surface Mining
• Underground Mining
• Forestry
• Transport
• Construction
• Agriculture
• Quarrying
• Waste Disposal

How The System Operates – Pressure to Operate

Click here to view enlarged diagram.
The control valve (4) is a spring assisted pressure seat type valve, which requires a force to depress a piston to push the valve stem off the seat to open the valve. This is achieved by releasing an external pressure source such as a nitrogen cartridge (1) or (2) to open the control valve (4) and discharge the foam solution from the foam storage cylinder through the system discharge nozzles (6).
The external pressure is released from the nitrogen cartridge (1) or (2) by manually depressing an actuator knob or automatically by an electrically operated squib (pyrotechnical type) (1) connected to the fire detection system (3).

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