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As mentioned previously a Class D Fire is one that involves combustible metals or combustible metal alloys. There are basically two types of Class D fire extinguishers.

Type 1: The extinguishing agent for type 1 Class D is Sodium Chloride. Heat from a fire causes the dry powder agent to cake and form a crust excluding air and dissipating the heat from the burning metal. The type 1 Class D extinguisher is effective at controlling magnesium, sodium, potassium, sodium potassium alloys, uranium, and powdered aluminum metal fires.

Type 2: The extinguishing agent for type 2 Class D is a copper based dry powder. The copper compounds smother the fire and provides an excellent heat sink for dissipating the heat of the fire. It is the only known Lithium fire fighting agent which will cling to a vertical surface thus making it the preferred on three dimensional and flowing fires

Maintaining portable fire extinguishers is important, and BFPE International can make the task easy and affordable. In many cases we can provide the annual test & inspection to a facility's portable fire extinguishers at NO COST, if we are already servicing other fire protection systems in the facility.
Amerex Class D
Stored Pressure Fire extinuishers
An Amerex Exclusive

Class D Extinguisher notes

Class D Extinguisher Specs

For Combustible 
Metal Fires

The Amerex "soft flow" extension applicator is particularly suited for fighting Class D fires. The easily controlled even discharge provides a non-disrupting application of either agent. The applicator may be quickly detached to provide a straight stream of chemcial where greater range, a narrow discharge pattern or a lobbing effect is required.

Class "D"

 Class D Stored Pressure Fire Extinguishers

Badger
Class D -  Dry Powder

Badger's class D dry powder extinguisher is suitable for use on metal fires.  It incorporates a soft flow extension applicator that ensures the operator's hands are kept away from the extreme heat and prevents inhalation of the toxic fumes caused by the burning metal.

Model WB570 has been tested and approved for fires involving magnesium, sodium (spills and in depth), potassium and sodium potassium alloys.

 

Features

• Unique soft flow extension applicator with built in long range nozzle
• Applicator can be quickly detached to provide a straight stream of powder where greater range, a narrow discharge pattern or lobbing effect is required.
• Heavy duty steel cylinder.
• Corrosion resistant paint finish.
• FM approved.
• Operating temperature -40°F to +120°F

Suitable for use on the following type of fire:

Class "D" flammable metals.