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Pump-Type water extinguisher typically consist of a 2-1/2 or 5-gallon non-pressurized metal or plastic container with a pump mounted to it, as well as a discharge hose and nozzle. Pump type water extinguishers are often used where freezing conditions may occur, as they can be economically freeze-protected with calcium chloride (except stainless ...
A standard APW extinguisher in the United States contains 9.5 litres (2.5 US gal) of water in a stainless steel tank. The water is discharged by means of a 13 mm (1 ⁄ 2 in) hose, with a smooth-bore nozzle attached to the tip. They will initially produce a 12–15 m (40–50 ft) stream of water, with a discharge time of about 50 seconds.
Air pressurized water (APW) fire extinguisher A hand held fire extinguisher using water for the extinguishing agent which is expelled by compressed air. Wetting agents may be added to the water and AFFF foam can be used in similar extinguishers. Automatic distress signal unit An alarm device that signals that a firefighter is in trouble.
“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 ...
When water is required to refill a fire engine, water delivery is vital. The typical water tender carries 1,200 US gallons (4,500 L) of water to support fire engines. In addition to supplying fire engines directly, tenders may fill water reservoirs for bucket-dropping helicopters when a lake or reservoir is not nearby.
Class A foam is used as a fire retardant in 2.5 gallon [APW] and [CAFS] extinguishers to contain incipient brush fires and grass fires by creating a fire break. Other chemical retardants are capable of rendering class A material and Class B fuels non-flammable and extinguishing class A, class B, and some class D fires.