Keystone - Logo
About Keystone
Products
Systems
Services
Requests
Contact Us
Tagline
Fire Classes
Enter Shop
Request A Quote
Classes of Fire:
Home > Products > Extinguishers > Classes of Fire

Class A   Class A
Ordinary Combustibles - such as wood, paper, cloth, plastics, trash, where a quenching and cooling action of the extinguishing agent is required.
Type of extinguishers used: ABC Dry Chemical, Foam, Clean Agents, Pressurized Water
Class B   Class B
Flammable Liquids - such as gasoline, propane and solvents where oxygen exclusion or a flame-interrupting effect of the extinguishing agent is required.
Type of extinguishers used: ABC Dry Chemical, BC Dry Chemical, Carbon Dioxide, Foam, Purple K and Clean Agents
Class C   Class C
Energized Electrical Equipment - such as appliances, fuse boxes, wiring, circuit breakers, machinery where dielectric non-conductivity of the extinguishing agent is required.
Type of extinguishers used: ABC Dry Chemical, BC Dry Chemical, Carbon Dioxide,
Water Mist, Purple K and Clean Agents
Class D   Class D
Combustible Metals - such as magnesium, potassium, powdered aluminum, zinc, sodium, titanium, zirconium, and lithium, where a material specific extinguishing agent is required.
Type of extinguishers used: Class D
Class K   Class K
Cooking Media - such as cooking oils, fats, where a quenching and cooling action of the extinguishing agent is required.
Type of extinguishers used: Class K
[Extinguishers] [Types of Extinguishers]
Order Catalog