WebJul 27, 2024 · Firefighters use aqueous film-forming foam (AFFF) to help extinguish difficult-to-fight fires, particularly fires that involve petroleum or other flammable liquids ‚ known as Class B fires ... WebOct 25, 2012 · The water mist unit uses deionized water and incorporates a unique spray nozzle. These features make it safe for use on energized …
Water and Foam (AFFF & FFFP) Fire Extinguishers
WebDec 7, 2024 · Thus, a water mist extinguisher is safe and effective for use on classes A, B, C and K fires. 5. Foam Fire Extinguisher. Foam fire extinguishers are suitable for class A and the flammable liquids of class B, though not effective for gaseous fires. They spray a type of foam that expands when it hits the air and blankets the fire. WebFoam means a stable aggregation of small bubbles which flow freely over a burning liquid surface and form a coherent blanket which seals combustible vapors and thereby extinguishes the fire. 1910.155 (c) (22) Gaseous agent is a fire extinguishing agent which is in the gaseous state at normal room temperature and pressure. birch hill nursing home rochester nh
(PDF) Understanding Firefighting Foams - ResearchGate
WebThe ANSUL Fire School employs a three-step learning system of fire knowledge, classroom and live fire training. Participants will fight over 20 fires, including unconfined spills, fuel-in-depth, obstacle, gravity fed and pressurized gas and liquid fires. The 27‑acre fire grounds provide a variety of industrial props – tanker truck, propane ... WebClass B Foam (also called AFFF): Used to extinguish Class B materials, which include gasoline, oil, and jet fuel. Aqueous film forming foam (AFFF, or alcohol resistant AR-AFFF) is a highly effective foam used for fighting high-hazard flammable liquid fires. AFFF is usually created by combining foaming agents with fluorinated surfactants. WebApr 8, 2024 · The key to putting out a fire with a Foam extinguisher is to use the PASS strategy: Pull the pin, Aim the hose towards the base of the fire, Squeeze the lever, and Sweep the hose. Remember: Fires double in size every 60 seconds so use a fire extinguisher for small, contained fires only. Leave immediately if you're unable to … birch hill pharmacy