Foam Suppression Systems

Foam suppression systems are used at flammable chemical fires or fuel fires which can not be extinguished by water. Foam used within foam suppression systems covers the area and prevents connection between fire and air. Foam, water and air are the main components of foam suppression systems. Foam is formed by expansion of the foam solution with water and air under pressure and discharges into the enclosure through nozzles. Foam used within foam suppression systems also creates cooling effect and prevents evaporation on the burning surface.

Foam Suppression System Types Classified by Expansion Rate

  • Medium Expansion Foams: <1:20
  • Medium Expansion Foams: 1:20 / 1:200
  • High Expansion Foams: >1:200

Foam Suppression System Types Classified by Foam Chemicals

Protein Based

  • Protein (P)
  • Floroprotein (FP)
  • Film Forming Flouroprotein (FFFP)
  • Alcohol Resistant Film Forming
  • Fluoroprotein (AR-FFFP)

Syntethic Based

  • Synthetic Aqueous Film-Forming Foam (AFFF)
  • Alcohol Resistant Aqueous Film Forming (AR-AFFF)

Where Used

  • Fuel Tanks
  • Chemical Storage Tanks
  • Aircraft and Helicopter Hangars
  • Shipyards
  • Airports
  • Chemical and Petrochemical Plants
  • Refineries
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