Fire Apparatus USA 15
Fire Apparatus USA 15 : Types (7): Water and Foam-Carrying Apparatus: (1) Tanker Truck: A tanker truck, which can also be known as a water tender or water bowser, is a specialist fire appliance with the primary purpose of transporting large amounts of water to the fireground to make it available for extinguishing operations. These are especially useful in rural areas where fire hydrants are not readily available and natural water resources are insufficient or difficult to exploit. Most tankers have an on-board pumping system. This pump is often not of sufficient power to fight fires (as it is designed to be attached to a fire engine), but is more often used to draw water into the tender from hydrants or other water sources. In some areas, the tenders are used to pump water during floods, and may be fitted with a heavier duty pump for this purpose. Many tankers are equipped with fast-drain valves on the sides and back of the truck. This allows firefighters to empty thousands of gallons or several cubic meters of water into a portable water tank in just a few seconds. Most water tenders are designed to carry loads of 1,000 US gallons (3,800 L; 830 imp gal) or more. In the U. S. , 1,000 U. S. gallons is the requirement in the NFPA standards. Some may carry up to or even upwards of 5,000 US gallons (4,200 imp gal; 19,000 L) of water
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