When will the fire extinguisher be scrapped?

Update:18 Nov 2021

Fire extinguishers with one of the following conditions must be scrapped:
The cylinder body is subjected to hydraulic test, and the unqualified ones must be scrapped, and repair welding is not allowed;
The cylinder body is severely corroded (the paint is peeled off in a large area, and the rust area is greater than or equal to one-third of the total area of ​​the cylinder body) or the connecting parts and the bottom of the cylinder are seriously corroded;
The internal buckle head does not have (or is not installed) the air discharging screw and the fixing screw;
For carbon dioxide fire extinguishers with handwheel valves, the pressure-handle valve must be replaced;
For fire extinguishers with an extinguishing dose greater than or equal to 4 kg, the head with intermittent spray mechanism should be replaced or spray guns should be added. Those that cannot be replaced should be discarded.
The cylinder is severely deformed;
The structure is unreasonable (such as the cylinder with a flat bottom; the gas cylinder is externally installed, and the air intake pipe enters the dry powder fire extinguisher from the cylinder into the cylinder);
Without the name of the manufacturer and the year and month of the factory (including the decals falling off, or although there are decals, the name of the manufacturer and the year and month of the factory are not clear);
Produced by a manufacturer that has not obtained a production license;
The Ministry of Public Security or provincial (city, district) public security fire protection departments have ordered the prohibition of sales and maintenance.
The fire extinguisher’s retirement life is calculated from the date of manufacture, and if it reaches the following years, it must be scrapped:
Portable chemical foam fire extinguisher-5 years;
Portable acid-base fire extinguisher-5 years;
Portable clean water fire extinguisher-6 years;
Portable dry powder fire extinguisher (cylinder type)-8 years;
Portable storage pressure dry powder fire extinguisher-10 years;
Portable 1211 fire extinguisher-10 years;
Portable carbon dioxide fire extinguisher-12 years;
Cart-type chemical foam fire extinguisher-8 years;
Cart-type dry powder fire extinguisher (cylinder type)-10 years;
Cart storage pressure dry powder fire extinguisher-12 years;
Cart 1211 fire extinguisher-10 years; cart carbon dioxide fire extinguisher-12 years.
For fire extinguishers or gas cylinders that should be scrapped, a hole must be punched on the barrel or bottle, and a clear sign of "scrapped" should be affixed with a sticker. The content is as follows:
The minimum font size of the word "scrap" is 25mm×25mm;
Scrap year and month;
The name of the maintenance organization;
Inspector's signature

Zhejiang Winner Fire Fighting Equipment Co., Ltd. was founded in 1994, has more than 1,000 sets of production and testing equipment. As a famous China Fire Extinguisher Manufacturers and Fire Extinguisher factory, the company is engaged in research, development, manufacture and sales of fire-fighting equipment and security equipment, and built a fire-fighting test room of the National Fire-fighting Inspection Center. It is one of the largest manufacturers in China to obtain product certification. The products include: Carbon dioxide fire extinguisher, dry powder fire extinguisher, water-based fire extinguisher, seamless steel cylinder, seamless aluminum alloy cylinder, high pressure cylinder for the on-board storage of compressed natural gas(CNG), cylinder valve, extinguisher valve, wholesale Fire Extinguisher and so on. With the enterprise principle "create value for customers to gain its own development and interests", Winner Fire is struggling all the way to become a standardized, internationalized and lasting enterprise.