How to Test and Maintain a Fire Extinguisher

How to Test and Maintain a Fire Extinguisher

Here are some tips on how to properly test and maintain your fire extinguisher. These include hydrostatic testing, checking the gauge, and checking the tamper seal. You can also perform hydrostatic testing yourself. These tips are based on the manufacturer’s instructions, so make sure you read the manual carefully. Here are some other things to check:

Hydrostatic testing

If you are worried about your fire extinguisher failing a hydrostatic test, you should have it checked by a professional. This test is performed to ensure that the cylinder will not rupture under pressure. It is also important to ensure that you have a hose assembly that is in good condition. This article will describe how to carry out hydrostatic testing on your fire extinguisher.

The first step in the process is determining the correct pressure of the extinguisher. Hydrostatic testing is the safest way to test fire extinguishers. When done properly, this test can prevent dangerous situations. Make sure that you hire a professional to perform this procedure, as it can be dangerous if done incorrectly. You should also know that the procedure requires a professional hydrostatic Test and Tag facility. It is important to note that this procedure is performed on fire extinguishers at varying intervals, usually every five to 12 years. NFPA 10 Table 8.3.1 outlines the recommended intervals for testing. Moreover, high-pressure cylinders should be stamped with the tester’s identification number and date.

Checking the gauge

The fire extinguisher’s gauge displays the amount of pressure it holds. The gauge will be green if the extinguisher is fully charged. If the needle is pointing in the wrong direction, it means it needs recharging. The gauge should be pointing in the same direction on both sides if it is undercharged or overcharged. It is also important to check the inspection tag to make sure that the device has been inspected regularly.

A fire extinguisher’s gauge should read at least 195 psi. If the gauge is within this range, the extinguisher is ready to be used. Otherwise, it will read in the red zone, which is an overcharge situation. An overcharged extinguisher may have reached 400 psi. A counterclockwise measurement below the safe zone means the extinguisher is depleted and needs a recharge. One thing to note is that the gauge can only display three pressure readings. Outside of that range, it is likely to require significant interpolation.

Checking the expiration date

When it comes to fire safety, checking the expiration date of a fire extinction device is an important task. This will determine how long it will continue to work properly, and it will also help you budget accordingly. There are some tips to help you do this. Read on to learn how. First, you must look for the manufacturing date. Check if the extinguisher was made within the last 10 years.

Fire extinguishers have paper tags on the outside, so be sure to look for these. These tags will tell you the expiration date and also when the fire extinguisher was manufactured. The expiration date of a fire extinguisher should not be older than 10 years. It will also have a service tag on it. You should also check the date on the box.

Checking the tamper seal

You should check the tamper seal of a flame-retardant extinguisher monthly. Make sure the nozzle is free of debris and that there are no cracks in the tamper seal. Also, check the paperwork and make sure the labels are legible. If you find any signs of damage, get a new one. Fire extinguishers should be checked monthly or once a year.

It doesn’t matter which color the tamper seal is. As long as it’s approved, it’s safe to use. You can also check the inspection tag attached to the fire extinguisher to see when it’s been last inspected. While you’re checking the tamper seal, also check for any obvious physical damage, such as dents and corrosion. You can also check the condition of the nozzle and hose.


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