The State Fire Marshal’s test is administered through PSI. Otherwise, your diesel keeps chugging away, feeding oxygen to the blaze and sucking the fire-retardant out of the compartment (and into the engine air intakes or out the ventilation exhaust fans), rendering your fire-fighting system ineffective. Dry Chemical : These extinguishers work by interrupting the chemical reaction at work in the fire triangle. They function by interrupting the flow of chemical reactions, and are non-toxic. Carbon dioxide (CO2) extinguishers are for use on flammable liquid or electrical fires and are labeled as type B. This agent also works by creating a barrier […] Point the extinguisher discharge horn at the front edge of the base of the fire (the lowest point of the fire nearest you). CO2 extinguishers suffocate fires by displacing the oxygen the fire needs to burn. These extinguishers typically use water or certain types of dry chemicals to either absorb heat or coat the fire. 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. Safe for computers, electronics, even clean rooms, and leaves no residue after use. The number in front of the B rating represents the area in square feet of a class B fire that a non-expert user should be able to extinguish. Useful only in confined interior spaces. View their highly informative series of seven short videos. Automatic engine shutdown units take care of this in an instant. Most fire authorities recommend that all establishments have an ABC fire readily on hand. The Carbon Dioxide fire extinguisher should be used on Class B and C fires. Halotron I portable fire extinguishers are excellent for this application, since they leave no residue and fight the fire by removing oxygen. In addition to the above fire extinguisher types, there is also a combination ABC fire extinguisher, available for multipurpose use, which covers types A, B and C fires. Onboard fires are one of the two most common reasons boaters are forced to abandon ship (other than the obvious one of having your boat sink). The letters (A, B, and C) represent the type(s) of fire for which the extinguisher has been approved. Dry Chemical. (Image Source: Gramho.com) What is an ABC fire extinguisher used for? However, the type of material inside the cannister plays a bigger role in determining the cost. Every fire extinguisher has a color-coded label that indicates the class of fire for which it is intended. The type of fire extinguisher depends on the type of fire. Inexpensive. A fire class is a system of categorising fire with regard to the type of material and fuel for combustion. Statistically speaking, an onboard fire doubles in size every seven seconds, so having a fire extinguisher readily available may make the difference between inconvenience and catastrophe. B&C-Class Fire - involving material like fabric, oil, gases, live electric & delicate machineries. Use the Sircon website. B-1 Extinguishers are USCG approved and meet the need for a Type B, Size 1 USCG approved Fire Extinguisher. This is used to determine the type of extinguishing agent that can be used for that fire class. A B and C are the average ratings a fire extinguisher … A remote 85dB horn also sounds when the extinguisher is low on pressure or has discharged. Extinguisher applications, forms, and guides. BC Fire Extinguishers are considered a Dry Chemical Extinguisher. Dry powder extinguishers are the most suitable for this fire class, and it is also possible to use foam or carbon dioxide. 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