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2. Firefighting foam - Wikipedia

   en.wikipedia.org/wiki/Firefighting_foam

   Hand-held foam extinguishers used the same two chemicals in solution. To actuate the extinguisher, a seal was broken and the unit inverted, allowing the liquids to mix and react. Chemical foam is a stable solution of small bubbles containing carbon dioxide with lower density than oil or water, and exhibits persistence for covering flat surfaces ...

3. Air pressurized water - Wikipedia

   en.wikipedia.org/wiki/Air_pressurized_water

   APW extinguishers are commonly converted into makeshift CAFS extinguishers by drilling two 1.6–3.2 mm (1 ⁄ 16 – 1 ⁄ 8 in) holes in the pickup tube. The unit is then filled with 5.7 litres (1.5 US gal) of water and Class A foam, aqueous film forming foam (AFFF), film-forming fluoroprotein (FFFP) or commercial detergent is added to the water in a 1% ratio for class A fires and a 3–6% ...

4. The Pyrene Company Limited - Wikipedia

   en.wikipedia.org/wiki/The_Pyrene_Company_Limited

   In 1971 Chubb Fire Security Ltd was formed. In that same year a Bristol Britannia aircraft, flown by test pilot Donald Chubb, landed on a carpet of Pyrene foam at Manston. In 1976 Fireward Ltd, manufacturers since 1964 of plastic-bodied portable dry-powder fire extinguishers, also merged with Pyrene Panorama, to form the new company, Chubb ...

5. Here’s Where You Should Store Your Fire Extinguisher ... - AOL

   www.aol.com/where-store-fire-extinguisher-home...

   “To ensure safe use and storage for a fire extinguisher, check the pressure gauge once a month, hold the extinguisher to confirm it’s full, store at room temperature, and ensure it’s visible ...

6. Fire extinguisher - Wikipedia

   en.wikipedia.org/wiki/Fire_extinguisher

   An empty fire extinguisher which was not replaced for years. Most countries in the world require regular fire extinguisher maintenance by a competent person to operate safely and effectively, as part of fire safety legislation. Lack of maintenance can lead to an extinguisher not discharging when required, or rupturing when pressurized.

7. Twin-agent fire extinguishing system - Wikipedia

   en.wikipedia.org/wiki/Twin-agent_fire...

   Dry chemical tank capacities range from 450 to 3,000 pounds (200 to 1,360 kg). AFFF solution capacity ranges from 50 to 250 US gallons (190 to 950 L). Dry chemical flow rates vary from 5 to 8 pounds (2.3 to 3.6 kg) per second and 35 to 60 US gallons (130 to 230 L) per minute for the foam for handline application [citation needed].