What Is B1 Fire Extinguisher

Because gasoline fires are the most common type of boat fire, marine-rated Class B fire extinguishers are the class required on most boats. The number after the B, for example a B1 or B2 extinguisher, indicates the capacity of the extinguisher.

What is a Class B1 Fire Extinguisher?

B-1 Extinguishers are USCG approved and meet the need for a Type B, Size 1 USCG approved Fire Extinguisher. Amerex B-I Fire Extinguishers must be: Dry Chemical, ABC, or Purple K: 2 lbs or larger. Carbon Dioxide (Co2): 5 lbs or larger. Halon: 2.5 lbs or larger.

What is the difference between B1 and B2 fire extinguishers?

Specifically, a B-I must contain 2lb of dry chemical while a B-II must contain 10lb. It is therefore possible that your boat could carry a full set of extinguishers, none of which is intended to fight all three kinds of fires.

James H. Sterling

James H. Sterling

Environmental Science & Climate Journalist

James Sterling reports on renewable energy developments, climate policy, ecological conservation, and green tech innovations around the globe.

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