Fire Extinguishing Systems

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.


The Chemguard product portfolio offers foam solutions for a wide range of firefighting applications including industrial, marine, mining, firefighting, petroleum, petrochemical, aerospace and transportation. CHEMGUARD products meet the requirements of numerous industry specifications and standards, including

  • UL 162
  • FM Approvals – FM 5130
  • EN1568-2008
  • UL 139
  • MIL-F-24385F
  • ICAO
  • ULC S564
  • USDA/USFS Spec 307a
  • IMO1312, MED B/D
  • ULC S560
  • USCG

Chemguard foam suppression systems are designed and manufactured to meet NFPA standards for demanding applications. UL Listed/FM Approved engineered foam systems help provide protection for refineries, tank farms, mines, marine operations, airports, transportation facilities, warehouses, storage facilities and loading dock areas. Rugged and functional, Chemguard fixed system proportioning equipment reflects years of industry knowledge, in-house design expertise and precision manufacturing.

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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