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Fire Extinguisher

Foam Chambers


Foam Chamber is used in one of the most common application to protect vertically fixed roof (cone) liquid storage tanks, with or without internal floating roof with the low expansion foam system. The application of foam is on the basis that the risk comprises the total surface area of the fuel. The foam system design guidelines generally used are in accordance with NFPA-11, standard.

Foam Chambers are defined by NFPA-11 as Type II discharge outlets for delivering the foam to the surface of a flammable liquid. The Foam Chambers are widely used with the In-line foam inductor, Balance pressure foam proportioning system, Bladder tank proportioner or Foam tender.

handline Nozels

Handline Nozzles


The FOAMTECH low-expansion foam handline nozzles can be used with all low-expansion foam agents such as fluoroprotein, aqueous film-forming-foam (AFFF), alcohol resistant AFFF, and Class A foam concentrates. These portable, air-aspirating nozzles can be used in a variety of flammable liquid hazard areas using FOAMER Class B foam concentrates. Typical applications include municipal fire departments and Crash-Fire-Rescue (CFR) vehicles; or for handline applications around tank farms, loading racks, aircraft hangars, and chemical plants. When using SILV-EX PLUS Class A foam, an effective blanketing foam is produced. This blanketing foam is ideal for structural fire attack and other deep-seated fires involving tires, rolled paper, baled cotton and coal bunkers. The advantage of low-expansion compared to medium-expansion foam is the greater stream range and superior cooling effect achieved by the higher water content.

Foam Generation

Foam Generators


Foam Generators (FCH *-250 are designed to expand foam solution into millions of tiny bubbles in which the foam solution is expanded in volume to a range of more than 200:1 approximately depending on the generator selected, solution flow rate, foam concentrate and the operating pressure.

The extinguishing mechanisms of FOAMTECH HX Foam Generator (FCH* -250) involve a combination of the following:

  • Free air movement essential for continued combustion is reduced.
  • Water content of the foam being converted to steam dilutes the oxygen concentration to a level below that necessary to support combustion.
  • Reduced surface tension of the foam solution draining from expanded foam penetrates into Class A materials extinguishing deep seated fires.
  • Cooling to a temperature below the combustion point or auto- ignition temperature of Class A or Class B fuels occurs as water is converted to steam.
  • Insulating and heat reflective properties of the foam blanket provide a heat shield preventing fire spread extinguishing deep seated fires.