How to deal with expired fire extinguishers

Expired fire extinguishers should not be discarded at will, improperly handled or overdue fire extinguishers may become "bombs", the reality of many expired fire extinguishers exploded accidentally. fire extinguishers have been clearly defined end-of-life, must reach the end of the mandatory retirement. So, what should be done with the obsolete fire extinguishers?

Here is the list of contents

Notes on fire extinguishers

What kind of fire extinguishers need to be repaired?

Notes on fire extinguishers

Carbon dioxide, storage pressure dry powder fire extinguishers cannot be stored in high-temperature places to avoid their physical explosion. After the use of fire extinguishers is strictly prohibited to disassemble without authorization to prevent the explosion of faulty fire extinguishers in the process of disassembly, should be sent to the unit with the maintenance of qualified filling repair. If the fire extinguisher rusts serious corrosion or barrel deformation, as well as to reach the end of life, should immediately stop using, send maintenance units to deal with. It is strictly prohibited to sell fire extinguishers as scrap metal. fire extinguishers in the process of moving should be handled gently to avoid collision deformation after the explosion. End-of-life fire extinguishers should be recycled to the manufacturer or formal fire product testing and repair center centralized processing, has been scrapped fire extinguishers should be carried out first unloading pressure, to ensure that no internal pressure, and then dismantling of the cylinder processing.

What kind of fire extinguishers need repair?

l The fire extinguisher cylinder for the hydrostatic test failed must be scrapped, not allowed to patch welding.

l Serious rusting of the cylinder, i.e., large area of paint peeling off, a rusting area greater than or equal to one-third of the cylinder area or the connection parts, the bottom of the cylinder is seriously rusted.

l Inner buckle type head without or without installation of air relief screws and set screws.

l Handwheel type valve of carbon dioxide fire extinguisher must replace the pressure handle type valve.

l Fire extinguishers with a volume of extinguishing agent greater than or equal to 4kg.

l Those whose barrels are seriously deformed.

l Unreasonable structure, such as the cylinder flat bottom, external gas storage bottle, air intake tube from the cylinder body into the cylinder inside the dry powder fire extinguisher.

l Without the name of the manufacturer and the factory year, which includes the decal off, or although there is a decal, the name of the manufacturer and the factory year is no longer visible.

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