Fire extinguishers, like many products, have a certain usage time. If they expire, they need to be discarded and replaced with new ones. Many fire extinguishers may be damaged before they expire, and in order to save money, it is necessary to carry out fire extinguisher maintenance. Today let's take a look at the key points for replacing fire extinguisher components.
(1) The maintenance organization should replace the components according to the assembly drawings and replaceable parts list of the original fire extinguisher manufacturer. The fire extinguisher cylinder (body) cannot be replaced.
(2) The replacement parts should have the same characteristics as the parts provided by the original fire extinguisher manufacturer.
(3) Gas cylinders (cylinders) that have passed the hydrostatic test are allowed to have additional coatings if some of the external coatings have peeled off but there is no rust. The additional coatings should be smooth, flat, consistent in color, and free of defects such as bubbles, flow marks, wrinkles, etc. The additional coating should not cover the nameplate.
(4) During each maintenance, the following components should be replaced: sealing plates, rings, gaskets, and other sealing parts; Water based fire extinguishing agent; Overpressure safety of carbon dioxide fire extinguishers。