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Class D wheeled xtinguishers are ideal for large combustible metal fires. This Amerex model is well-balanced for quick transport on 36" (91 cm) diameter non-sparking, rubber-treaded steel wheels. The unit is pressurized with argon and regulated to a low 125 psi (861 kPa) to avoid disruption of the burning materials. The extinguishing agent is sodium chloride. Heat from the fire causes the agent to cake and form a crust, excluding air and dissipating heat from the burning metal. Amerex has a technical note with practical information for using such extinguishers.
This unit comes with a wand applicator as shown here which is generally preferred as it permits the user to pile a thick layer of extinguishing agent on top of the fire. If you need standoff capability, a nozzle applicator with greater range is available by special order, however it is much harder to deposit the agent in a thick layer and may disrupt the burning material. Stationary design, non-sparking rubber tread wheels, and a pressure indicator are also available by special order.
Metal fires involving magnesium alloys, uranium and powdered aluminum can be controlled and extinguished with this unique extinguisher. Lithium fires require either copper-powder (item # 09584 or 09592) or Lith-X (item # 09451 or 09747) agent.
- Stainless Steel Collars
- Chrome Plated Brass Fill Caps
- Brass Hose Fittings
- Live Swivels on Discharge Valve Heavy Duty Steel Cylinder, Carriage, Hose Rack
- Aluminum UL/ULC Bilingual (English/Spanish) Nameplates with Bar Code
- Pictogram Instructional Label
- DOT/TC Argon Cylinder with Quick Opening Brass Valve
- Chrome Plated Brass Regulator
- 6 Year Warranty
|Amerex Model #||680|
|Agent||SUPER D (sodium chloride|
|Capacity||150 lb (68 kg)|
|Shipping Weight||444 lb (201 kg)|
|Height||52" (132 cm)|
|Width||28" (71 cm)|
|Depth||45" (114 cm)|
|Discharge time||80 seconds|
|Discharge range (wand application)||4 to 8 feet (1.3 to 2.6 m)|
|Discharge range (w/ nozzle)||20 to 30 feet (6.57 to 9.86 m)|
|Nitrogen cylinder||110 ft3 (3,115 liters)|
|Operating temperature range||-40 to 120 °F (-40 to 49 °C)|
|Safety Disc Burst Range||400 - 500 psi (2760 - 3450 kPa)|
|Hose Length||25 ft (7.7 m)|
|Hose Diameter||0.75" (1.9 cm)|
|Steel wheels||36" diameter x 2.5" w (91 x 6.4 cm)|
|Coast Guard Approved||No|
These extinguishers are not eligible for free shipping - a fixed shipping price of $175 per unit will be added to your invoice at checkout which is valid only for ground shipment within the lower 48 US states. If you need rush delivery or delivery outside this area, you can contact us before ordering, otherwise, we will contact you with the actual freight costs before processing your order. All nitrogen cylinder-operated wheeled extinguishers are shipped with the extinguishing agent in pails.