Class A
Class A
Class A
Many pressurized water fire extinguishers are charged with air at 100 psi.
There are two main types of fire extinguishers: stored pressure and cartridge-operated. In stored pressure units, the expellant is stored in the same chamber as the firefighting agent itself. Depending on the agent used, different propellants are used. With dry chemical extinguishers, nitrogen is typically used; water and foam extinguishers typically use air. Stored pressure fire extinguishers are the most common type
Fire extinguishers should be stored and mounted where they are readily accessible on a boat, where they will not be damaged and where they can be inspected regularly.
Where they are readily available
Fire extinguishers commonly contain water under pressure, compressed carbon dioxide, foam, or specialized dry chemicals, depending on the type of fire they are designed to put out.
where they are readily avalible
Fire extinguishers should be stored and mounted where they are readily accessible on a boat, where they will not be damaged and where they can be inspected regularly.
water, helium and water vapor.
There is one class of fire extinguisher for each of the 5 classes of fires: A,B,C,D,K. There are different mechanical types of extinguishers, based upon how their internal agent is expelled: contained pressure, external pressure cartridge, and manual pump. There are dozens of different types of agents found inside various fire extinguishers, ranging from ordinary air-pressurized water to many exotic gases and dry chemicals.
USFA fire extinguishers is a good brand. Remove the safety pin if there is one and break the safety seal. After that exert pressure by squeezing the handle.