Amerex B-II Fire Extinguishers must be: Dry Chemical, ABC, or Purple K: 10 lbs or larger. Carbon Dioxide (Co2): 15 lbs or larger. Halon: 10 lbs or larger. Halotron: 15.5 lbs or larger. To view a complete list of Amerex Marine USCG Fire Extinguishers Click Here. To view a complete list of Amerex B-I Fire Extinguishers Click Here.
Class A size ratings range from 1 to 40. This tells you the water equivalency. 1 equals 1.25 gallons of water, so in this example, 2A means the extinguisher can put out a fire just as effectively as 2.5 gallons of water. Class B size ratings range from 1 to 640.
Guide to Fire Extinguisher Sizes, Types, & Ratings
A large, high-capacity fire extinguisher might work well for your application, but relying on one that is too heavy or bulky for your workers to use creates a dangerous situation. Common fire extinguisher sizes and their approximate weight. 2-A:10B:C – 4 lb. 3-A:40B:C – 5 lb. 4-A:60B:C – 10 lb. 10-A:80B:C – 20 lb.
The numerical rating (I, II, III) AFTER the letter B indicates Coast Guard classification. For example, a UL 5-B:C, rated for 5 sq ft of liquid fire, would be a USCG B-I extinguisher (with 2 …
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What does 2A mean on a fire extinguisher?
Class A size ratings range from 1 to 40. This tells you the water equivalency. 1 equals 1¼ gallons of water, so in this example, 2A means the extinguisher can put out a fire just as effectively as 2½ gallons of water. Class B size ratings range from 1 to 640.
What does B1 B2 mean on a fire extinguisher?
– Answers B-I and B-II refer to the relative fire extinguishing capacity of approved USCG fire extinguishers, depending upon the type of extinguishing agent used. Class B fires involve flammable or combustible liquids such as gasoline, kerosene, grease and oil.
What is the difference between fire extinguisher 1 and 2?
In practical terms, that means that if Fire Extinguisher 1 has a 4-A:80-B:C rating and Fire Extinguisher 2 has a 1-A:10-B:C rating, Fire Extinguisher 1 is… Both extinguishers can combat class C fires.
What is a 5 sq ft fire extinguisher rated for?
For example, a UL 5-B:C, rated for 5 sq ft of liquid fire, would be a USCG B-I extinguisher (with 2 pounds of dry chemical). To obtain a USCG B-II rating you would need the equivalent of 10 pounds of dry chemical, such as having two UL 3-A, 40-B:C extinguishers, or a 15-pound CO2 extinguisher, or 2 1/2 gallons of AFFF "foam" (UL 3-A:20B).
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FIRE EXTINGUISHER STANDARDS Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher