Sunday, August 5, 2012

Atlanta Foam Fire Extinguishers

Atlanta Foam Fire Extinguishers

Foam fire extinguishers generally are stored with compressed with air and use different types fire extinguishing agents that are all designed for specific point of use and are created for high flammable areas. Foam fire extinguishers are generally used for Class A fires such as organic solid material such as wood and Class B fires that involve liquid such as gas and oil.

Wikipedia states, “Applied to fuel fires as either an aspirated (mixed & expanded with air in a branch pipe) or non-aspirated form to form a frothy blanket or seal over the fuel, preventing oxygen reaching it. Unlike powder, foam can be used to progressively extinguish fires without flashback.”

Foam Fire Extinguishing Materials

· AFFF (aqueous film forming foam) used on A and B fires and for vapor suppression. The most common type in portable foam extinguishers, It contains fluoro ten sides [12] which can be accumulated in human body. The long-term effects of this on the human body and environment are unclear at this time.

· AR-AFFF (Alcohol-resistant aqueous film forming foams), used on fuel fires containing alcohol. Forms a membrane between the fuel and the foam preventing the alcohol from breaking down the foam blanket.

· FFFP (film forming fluoroprotein) contains naturally occurring proteins from animal by-products and synthetic film-forming agents to create a foam blanket that is more heat resistant than the strictly synthetic AFFF foams. FFFP works well on alcohol-based liquids and is used widely in motorsports.

· CAFS (compressed air foam system) Any APW style extinguisher that is charged with a foam solution and pressurized with compressed air. Generally used to extend a water supply in wildland operations. Used on class A fires and with very dry foam on class B for vapor suppression.

· Arctic Fire is a liquid fire extinguishing agent that emulsifies and cools heated materials more quickly than water or ordinary foam. It is used extensively in the steel industry. Effective on classes A, B, and D.

· FireAde, a foaming agent that emulsifies burning liquids and renders them non-flammable. It is able to cool heated material and surfaces similar to CAFS. Used on A and B (said to be effective on some class D hazards, although not recommended due to the fact that fireade still contains amounts of water which will react with some metal fires).

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Atlanta Fire Protection Company
Atlanta Fire & Safety Protection Company

(678) 340-FIRE (3473)

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1 comment:

  1. There are many Fire Extinguishers on the market and when choosing which one is most suitable to you it can be confusing. We know that the importance of the correct Fire Safety Equipment is paramount and saves lives every day. Foam Fire Extinguishers are one of the most imperative fire safety products that should be present in every dwelling to protect very soul in them.