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Definitions

Definitions. Per NFPA statistics, 97% of all fires fall into the Class A category. Fuel Classifications. Class A Wood, plastic and rubber Class B Flammable liquids and gas Class C Energized electrical Class D Flammable metals. Foam Solution. Water + Foam Concentrate = Foam Solution.

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Definitions

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  1. Definitions

  2. Per NFPA statistics, 97% of all fires fall into the Class A category Fuel Classifications • Class A • Wood, plastic and rubber • Class B • Flammable liquids and gas • Class C • Energized electrical • Class D • Flammable metals

  3. Foam Solution • Water + Foam Concentrate = Foam Solution

  4. Finished Foam • Foam Solution + Air + Agitation = Finished Foam

  5. Compressed Air Foam SystemsCAFS • Foam solution + air injected under pressure • A foam delivery system that incorporates • A water pump • A foam proportioner • An air compressor

  6. Critical Application Rate • The flow rate (water or solution) applied to a fire at which the fire does not grow • Exceed the critical application rate and the fire is extinguished • Flow less than the critical application rate and the fire burns unchecked

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