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CHAPTER 1
FIRE EXTINGUISHERS
General Information
Fire extinguishers are classifi ed by a letter and numeric symbol. The
letter references the type of fi re the unit is designed to extinguish.
For example, type B extinguishers commonly used on boats are designed
to put out fl ammable liquids such as grease, oil and gasoline.
The number indicates the general size of the extinguisher and minimum
extinguishing agent weight.
FIRE EXTINGUISHER CONTENTS
CLASS FOAM C02 DRY CHEM. HALON
IN GALS. IN LBS. IN LBS. IN LBS.
B-I 1.25 4 2 2.5
B-II 2.5 15 10 10
MINIMUM PORTABLE FIRE EXTINGUISHERS
REQUIRED
VESSEL NO FIXED WITH FIXED
LENGTH SYSTEM SYSTEM
LESS THAN 26’ 1 B-1 0
26’ TO LESS THAN 40’ 2 B-1 OR 1 B-II 1 B-1
40’ TO 65’ 3 B-1 OR 1 B-II 2 B-1
AND
1 B-1
OR 1 B-II
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