What does the B on a b1 fire extinguisher indicate?
Also question is, what does the letter B on a b1 fire extinguisher mean?
The letter "b" here indicate the b-1 extinguisher is effective against flammable liquid fires. These can be fires where cooking liquid , oil , gasoline , kerosene or paint.
Accordingly, what does the designation B on a B 2 fire extinguisher indicate?
The numerical rating for this class of fire extinguisher refers to the amount of water the fire extinguisher holds and the amount of fire it will extinguish. Class B Extinguishers should be used on fires involving flammable liquids, such as grease, gasoline, oil, etc.
All vessels are required to have a Type B fire extinguisher on board if one or more of the following conditions exist: Inboard engine. Vessel length of 26 feet or longer. Closed compartments where portable fuel tanks may be stored.