Foam

Card Set Information

Author:
Anonymous
ID:
120500
Filename:
Foam
Updated:
2011-12-03 18:42:54
Tags:
foam
Folders:

Description:
foam
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  1. How foam works
    Separating

    Cooling

    Supressing
  2. Separating (def)
    Creates barrier between fuel and fire
  3. Cooling (def)
    Lowers the temperature of the fuel and adjacent surfaces
  4. Suppressing (def)
    • (smothering)
    • Prevents the release of flammable vapors and therefore reduces the possibility of ignition or reignition
  5. Methods of proportioning foam
    • Induction
    • Injection
    • Batch mixing
    • Premixing
  6. Expansion rates
    • Low- 20:1
    • Medium- 20-200:1
    • High- 200-1000:1
  7. Husky foam system capacities
    • 6%- 167 GPM
    • 3%- 333 GPM
    • 1%- 1,000 GPM
    • .5%- 2,000 GPM
    • .3%- 3,333 GPM
  8. Husky Hydraulic gear pump
    • Driven by the impeller shaft of the waterous pump.
    • Automatically activated when pump is engaged
    • Has hydraulic oil cooler which allows continuous use
    • Has inline hydraulic oil filter
  9. Hydraulic oil cooler
    oil-to-water type heat exchanger

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