There are many types of fire extinguishers, such as dry powder fire extinguishers, carbon dioxide fire extinguishers, water-based fire extinguishers, etc. when purchasing fire extinguishers, you should pay attention to the service life of fire extinguishers. The shelf life of different fire extinguishing equipment is also different, and their scrapping methods are also different, Today, the fire extinguisher manufacturer will introduce the treatment methods, shelf life and scrapping treatment methods of expired fire extinguishers.

Introduction to treatment methods of expired fire extinguishers

1. Every five years or before refilling the portable dry powder fire extinguisher, the head, cylinder and gas cylinder shall be subject to hydrostatic test. The refilled gas cylinder shall be subject to air tightness test. It can be used only after passing the hydrostatic test and air tightness test;

2. Wheeled dry powder fire extinguisher, dry powder storage tank and carbon dioxide cylinder shall be subject to hydrostatic test every three years, and can be used again after passing the test;

3. CO2 fire extinguishers shall be subject to hydrostatic test every five years or before filling, and can be used again after passing the test;

4. air mechanical foam extinguishers should be subjected to water pressure test once each time the fire extinguishing agent is replaced or once more than three years per production.

In addition to expiration, the fire extinguisher may also be scrapped:

The fire extinguisher cylinder shall be subject to hydrostatic test. If it is unqualified, it shall be scrapped and repair welding is not allowed.

·The cylinder is seriously rusted (the paint peel falls off in a large area, and the rusted area is more than one-third of the cylinder area) or the connecting part and cylinder bottom are seriously rusted.

*The internal buckle head has no (or is not installed) air release screw and fixed screw.

·The cylinder is severely deformed.

The manufacturer's name and ex factory date have no production date (including decals falling off, or although there are decals, the manufacturer's name and ex factory date cannot be identified).

It is explicitly prohibited to sell and repair.

Various fire extinguishing equipment

Abandonment period

Portable acid alkali fire extinguisher - 5 years.

Hand held fresh water fire extinguisher - 6 years.

Hand held dry powder fire extinguisher (gas tank type) - 8 years.

Hand held pressure storage dry powder fire extinguisher - 10 years.

Portable carbon dioxide fire extinguisher - 12 years.

Trolley type chemical foam extinguisher - 8 years.

Wheeled dry powder fire extinguisher (cylinder type) - 10 years.

Pressure storage dry powder fire extinguisher for carts - 12 years.