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.
You can get fire extinguishers recharged at fire equipment companies, some hardware stores, and fire departments.
Some fire extinguishers use dry chemicals and some use a foam to extinguish flames. Some fire extinguishers actually still use water, but they're only for use on smaller fires. Others use a dry chemical, mostly sodium bicarbonate, or Carbon Dioxide.
The contents of some fire extinguishers are indeed a gass (Carbon Dioxide)
You can buy fire extinguishers at Home Depot or Lowes. Other places are Sears, Walmart, Target, ACE and True Value. Anywhere which would seem to sell a disaster relief kit would also sell fire extinguishers.
There are several companies that produce car fire extinguishers. Some of the companies that produce car fire extinguishers are Minimax Limited, Buckeye Fire Equipment Company, Amerex, and The Pyrene Company Limited.
Some fire extinguishers have liquid; some have solids; some have compressed gas; some have combinations of gas, liquids and solids.
A fire extinguisher cools down or extinguishes a fire. There are five types of fire extinguishers used in the US.
No, helium is not used in fire extinguishers. We find carbon dioxide (CO2) in some extinguishers, but not helium.
Portable fire extinguishers are provided in case there is a small fire that can be quickly extinguished, while occupants are being moved away from the fire and out of the building, if necessary. Some fire extinguishers are automatic, such as those used in commercial grease-duct hoods over cooking appliances, and activate to stop the fire even if nobody is there. Others are manual and may come in different types for different fires (e.g., A, B, C, D, K).
It depends upon the size of the fire, type and size of extinguisher.Many small, portable extinguishers cannot be reused once they have been discharged. Others can be used again, in theory, but code may require that the extinguisher be recharged or replaced.Portable fire extinguishers 5 pounds and larger can often be professionally recharged rather than replaced, although some services simply exchange a fully charged one for the partially discharged one.Larger fire extinguishers are almost always designed to be recharged after use. For instance, an aircraft hangar foam extinguisher might cost $15,000 to recharge.
Isolate the fire through containment and closing all watertight doors. Fight the fire with conventional fire extinguishers and hoses. Some compartments are rigged with gas type extinguishers that can be triggered. If conventional means don't succeed, flood the compartment.
Some new fire codes (2011) require alarm monitoring of fire extinguishers, if an alarm system is already required in the occupancy.