The Benchmark Advantage
- Available to answer questions or take orders by phone at 866-342-7665 (8am-5pm, M-F)
- We ship from 6 different locations to ensure quick delivery.
- Calibrations are guaranteed within first 90 days or they are free.
- Certified Repair Center with quick turnaround on warranty repairs.
- Expert trained staff with post-sale support.
- Large-capacity Class B & C extinguisher
- Uses potassium bicarbonate dry chemical agent
- Heavy-duty steel cylinder fixed to a steel trolley
- Easy-rolling, semi-pneumatic rubber tire wheels
The Amerex 50 lbs Stored Pressure Wheeled Purple K Fire Extinguisher (Class B:C) is a mobile extinguisher for facilities with extra-high risks of large-scale Class B (flammable liquid/gas) and C (electrical equipment) fires. It uses 50 lbs of Purple K, a potassium bicarbonate dry chemical agent, to suppress as much as 160 square feet of Class B fires. Amerex stored pressure extinguishers are reliable and less expensive to purchase, maintain, and service than cartridge-operated units. With a cage-type design and well-balanced platform, the carriage of the Amerex 497 keeps the cylinder secured and protected during transportation and operation. The Amerex 497 is often used in large commercial and industrial spaces where mobile, high-capacity extinguishers are needed, such as oil refineries, construction sites, parking lots, loading docks, and manufacturing plants.
Superior firefighting power. Purple K is a free-flowing, water-repellant, and non-abrasive agent that is proven to be at least 4 or 5 times as effective as carbon dioxide and more than twice as effective as sodium bicarbonate in suppressing fires. It does not produce toxic effects and does not conduct electricity. The Amerex 497 has a discharge range of 25-35 feet and a discharge time of 35 seconds.
Easy to operate. The Amerex 490 has a compact design that makes it easy to maneuver and transport in narrow hallways, doorways, and confined spaces by a single operator. The 16” semi-pneumatic rubber tires of the Amerex 497 are easy to use on rough, uneven terrains. It comes with a 25 ft hose for easy and safe agent application. The stored pressure design keeps the chemical and pressure sealed in the agent cylinder, always protected from contamination and ready for discharge anytime. The agent cylinder is labeled with a large instruction pictogram for quick reference and a UL/ULC label with a QR code.
Rugged. Like all Amerex extinguishers, the Amerex 497 is made of high-quality materials that ensure long shelf life. The agent cylinder, carriage, and hose rack are made of heavy-duty stainless steel painted with a corrosion-resistant finish. It also has an all-metal valve, stainless-steel fasteners, brass hose fitting, and live swivel on the discharge valve. The Amerex 497 is safe to use at temperatures ranging from -40º to +120º.
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