Foam fire fighting system pdf

The pressure available at the inlet to the compressed air foam system under required flow conditions shall be at least the minimum pressure for which the system has been designed. CAF provides a seal of foam that quickly extinguishes a fire and protects against reflash. The ability of a CAF generator to create and deliver expanded foam rapidly gives this system the speed that is need-ed in this application.

Foam is a blanketing and cooling agent that is produced by mixing air into a foam solution that contains water and foam concentrate. Conventional fire systems provide personal and structural protection. But when it comes to high value assets and irreplaceable items, water can be just as damaging as any fire !

However, in many cases, the ABS Rules for fire-fighting systems either incorporate or directly reference IMO SOLAS fire-fighting system requirements. Similarly, the water required for the Foam system should be calculated. It is important that the foam system is kept in a state of readiness at all times. For doing so, we must know how we are supposed to maintain these equipment and what tests we must perform.

Its role is to cool the fire and to coat the fuel, preventing its contact with oxygen, resulting in suppression of the combustion. The surfactants used must produce foam in concentration of less. Why is foam used in fire fighting?

What is fire fighting system and its importance?

How does firefighting foam work? We Have Almost Everything on eBay. When engineere installed and maintained correctly, these systems will give many years of reliable service.

The foam system can be used for fire prevention, control or direct extinguishment of any flammable or combustible liquid fire within the tank. They offer entry level fire fighting for protecting hydrocarbon and other risks that require either finished foam or water applied from a safe distance. The choice depends on the size and type of risk and the application rate recommended to achieve extinguishment. Foam fixed fire extinguishing systems are very effective and popular fixed fire fighting system in marine field. Foam gives smothering and cooling effect to the applied area.

It can be used in open areas like deck as well as closed areas like engine room. Below you can see a typical line diagram of fixed foam fire fighting system. Intertek provides fire fighting foam laboratory services for test low, medium and high expansion foam fire - fighting products.

Most international safety organizations require that fire foam concentrates should be tested on an annual basis. FireAde is UL dual listed. Foam fire suppression system requirements vary based on the application. Specified foam system applications are for protection of the following spaces : (1) machinery spaces, (2) cargo tank deck areas, (3) helicopter flight decks and ( 4) offshore supply vesselscarrying flammable liquids.

Outside of the equipment used in producing finished foam and the proper techniques for applying finished foam , the most perplexing issue for firefighters is the calculations for the foam concentrate that is required at a spill. Foam -water solutions should be contained and.

Placing the system in the service. Reset the deluge valve after the test as below. It also requires federal agencies to give local fire protection officials the opportunity to review and comment on projects for compliance with local regulations and compatibility with local fire fighting practices.