How long do fire extinguishers last? Fire extinguishers have a wide range of media that can be selected as needed to put out the fires. One of the widely used is dry chemical powder. This substance consists of mono-ammonium phosphate and ammonium sulfate.
This material is great for extinguishing various types of fire classes ranging from class A (solid objects: paper, trash, wood). Also, class B (liquids: gasoline, paints) and class C (electrical fire). Also, the prices cheaper than the media classified as liquid gas (hfc227).
How long do fire extinguishers last and what are the factors that influence?
Powder fire extinguishers maintenance must carefully. Because if the wrong placement occurs precisely make media powder in the tube not durable. The most common case is the powder to clot, so the automatic extinguishers malfunctions. This clotting can occur because of moisture in the air, for the placement of the fire extinguisher arranged at least above the floor at a distance of 125 cm.
Fire extinguishers should not be installed in a room that has a temperature above 49 ° C or down to – 44 ° C. It’s the primary factor for the question how long do fire extinguishers last. Unless the light fire extinguishers made specifically for the temperature outside the limits above. Another point that often forgotten by the owner of extinguishers is if the placement in outdoors, it must be protected with a safety lid like a box made of iron plate glass.
How long do fire extinguishers last once you’ve activated it?
It can not use as a reference for all fire extinguisher because of the character of the place where extinguishers. There is a dry area tend to be hot, humid, salty areas such as port area and other. So, if imposed by the fire extinguishers provider vendors doing refills for 5 years. Then, it had to really watch out for those factors to prevent powder not freeze.
Also, preferably within a period of 1 month conducted the extinguisher inspection with the reverse of the tube. Hover our ears to the body tube, if it sounds like sand flow then can be sure tube is still good. But if it doesn’t sound or any sound like objects fall, then there is a possibility the powder in it experiencing freezing so need in service.
How long do fire extinguishers last for rechargeable fire extinguishers
According to NFPA standards, fire rechargeable extinguishers have to recharge every 10 years. A rechargeable fire extinguisher has a metal head and a gauge that reads achievement. Check your fire extinguishers gauge monthly to admit that your fire extinguisher fully charged. If the extinguishers gauge needle in the Recharge area, your fire extinguisher needs recharging immediately.
How long do fire extinguishers last for portable fire extinguishers
According to NFPA standards, disposable fire extinguishers have to replace every 12 years. A disposable fire extinguisher has a plastic head and a gauge that reads Full/Empty. Check your fire extinguishers gauge monthly to sustain that your fire extinguisher still full. If the extinguishers gauge needle in the empty area, replace your extinguisher immediately.