What kind of fire extinguishers meet end-of-life standards?

1.The cylinder is subjected to hydrostatic test, and if it is unqualified, it must be scrapped, and repair welding is not allowed;

2. Severe rust of the cylinder (large area of patent leather falling off, the rust area is greater than or equal to one-third of the total area of the cylinder) or the connection parts and the bottom of the cylinder are seriously rusted;

3. The inner buckle type head does not have (or is not installed) the release screw and fixing screw;

Fourth, the carbon dioxide fire extinguisher of the handwheel valve must be replaced with the pressure handle valve;

5. Fire extinguishers with a fire extinguishing dose greater than or equal to 4 kg should be replaced with an intermittent spray mechanism or an additional spray gun, and those that cannot be replaced should be scrapped.

6. The cylinder is seriously deformed;

7. Unreasonable structure (such as flat bottom of cylinder; The gas cylinder is placed outside, and the intake pipe enters the dry powder fire extinguisher inside the cylinder from the cylinder);

8. There is no manufacturer name and factory date (including decals falling off, or although there are decals, the name of the manufacturer and the factory date are not clear);

9. Produced by manufacturers who have not obtained a production license;

10. The Ministry of Public Security or the public security and fire departments of each province (municipality or district) order prohibits sales and maintenance.