Miller OptX 2kW - Fire Hazard

Safety and Compliance Information
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OM-296747A | 4/15/24
2.4.4 Fire Hazard
There are two types of fire extinguishers that should be available near the laser
area.
1. ABC Dry Chemical fire extinguisher is a good general purpose fire extin-
guisher to have available. This type of fire extinguisher is suitable for:
a. Fires involving solid materials, usually of an organic nature whose combus-
tion results in the formation of embers, such as wood, paper and textiles.
b. Fires due to flammable liquids.
c. Electrical Fires
2. Class D Dry Powder fire extinguisher must also be available. This type of fire
extinguisher is suitable for combustible metal fires.
DANGER
Laser can ignite solvents, gases, combustible materials
Laser light can ignite volatile substances such as alcohol, gasoline, ether and other
solvents and flammable gases (e.g. MAPP gas) causing a fire or explosion.
 Exposure to solvents and other flammable materials and gases must be avoided
and considered when installing and using this device.
 Do not weld combustible and flammable materials (e.g. magnesium).
 Combustible and flammable materials should be completely removed from the
laser area whenever possible.
DANGER
Laser welding and cleaning can generate a fire or explosion
The heat and sparks produced during system operation are capable of starting a
fire or causing an explosion.
 Laser welding should only be performed if the area is free of combustible
materials.
 Never weld on containers that have flammable or combustible material.
 If the container contents are unknown, you should assume they are flammable
or combustible.
 Fire extinguishers should be nearby and accessible and personnel should be
trained in their usage.
DANGER
Using incorrect fire extinguisher can accelerate metal fire
A water or CO2 extinguisher WILL NOT extinguish a metal fire. Choosing the right
extinguisher can lessen or prevent property damage and save lives.
 Class D (Dry Powder)
fire extinguisher must be used for combustible metal fires.
 The most common types of Class D fires occur in environments where fine metal
powders, flakes, shavings, chips or similarly sized products are generated (such
as aluminum powder and iron shavings).
 Ensure the Laser Controlled Area is kept tidy.
 To determine which extinguishing medium is most appropriate to use, a special-
ist should be consulted. Specific studies are required for Class D type fires and
extinguishing medium.
 In the EU: Refer to regulations such as EN 2, EN3, and EN 1866.