Portable Fire Extinguishers
Fire extinguishers contain different chemicals, depending on the application. Handheld extinguishers, which are commonly sold at hardware stores for use in the kitchen or garage, are pressurized with nitrogen or carbon dioxide (CO2) to propel a stream of fire-squelching agent to the fire.
- A portable fire extinguisher by definition is an item of equipment for the purpose of extinguishing a fire. ... There are broadly six types of fire extinguisher; Water, Foam, Wet Chemical, Dry Chemical Powder, Vaporising Liquid and Carbon Dioxide.
- You should have the right types of fire extinguisher for your premises, or you may not meet current regulations.
- Different types of fire extinguishers are designed to fight different types of fire. The three most common types of fire extinguishers are: Air-pressurized Water, Carbon dioxide (CO2), and Dry Chemical.
Fire Hydrant Systems
Types of Fire Hydrants:
- There two types of pressurized fire hydrants:-
- Wet-barrel/Riser
- Dry-barrel/Riser.
Benefits of Fire Sprinkler Systems
There are many benefits to installing a fire sprinkler system in a commercial building. These include:
- Life safety: Fire sprinkler systems can help to save lives by suppressing fires early and preventing them from spreading.
- Property protection: Fire sprinkler systems can help to protect property from damage by fire.
- Reduced insurance costs: Fire sprinkler systems can help to reduce insurance costs for commercial buildings.
- Increased safety for firefighters: Fire sprinkler systems can help to protect firefighters by reducing the risk of flashover and backdraft.
- Improved peace of mind: Fire sprinkler systems can give building owners and occupants peace of mind knowing that they are protected in the event of a fire.
Fire Sprinkler Systems
- Fire sprinklers include a network of piping filled with water under pressure that are installed behind the walls and ceilings, and individual sprinklers are placed along the piping to protect the areas beneath them. Because the water is always in the piping, fire sprinklers are always "on call.
- Fire sprinklers work when high heat triggers the sprinkler system. When a blaze ignites, the air directly above it heats rapidly. This hot air rises and spreads along the ceiling. ... When the liquid expands, it shatters its glass confines and the sprinkler head activates.
- Alarms alert building occupants and emergency forces when a sprinkler water flow occurs. The simplest alarms are water driven gongs supplied by the sprinkler system. Electrical flow and pressure switches, connected to a building fire alarm system, are more common in large buildings.
Fire Hose Reel Systems
A hose reel consists of a cylindrical reel, usually made of metal, plastic or fiberglass that is used to keep a dispense hose conveniently rolled up. Within the family of hose reels there are different styles:
- Manual: The hose is wound manually by operating a crank on the side of the reel.
- Automatic: or spring-loaded, wind the hose automatically by the action of the spring.
- Electric: The hose is rolled and uncoiled by an electric motor. They are often used in large volume reels that require large diameter or long length hoses.
Fire Hose Reel Systems
- Fire hose reel systems consist of pumps, pipes, water supply and hose reels located strategically in a building, ensuring proper coverage of water to combat a fire. The system is manually operated and activated by opening a valve enabling the water to flow into the hose that is typically 30 meters away.
- Fire Hose reels consist of a length of non-kinking tubing. They are permanently connected to a water supply and consist of a main turn on/off valve, a hose guide, and a hose with a nozzle. The control nozzle attached to the end of the hose enables the operator to control the direction and flow of water to the fire.
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