09/03/2026
We shouldn’t mistake ‘the way it used to be done’ for ‘the way it has to be done.
A common misconception is that stored-pressure dry chemical fire extinguishers should be inverted and struck with a rubber mallet to "fluff" the agent during maintenance. This practice is unnecessary and can potentially damage the extinguisher, pressure gauge, or cylinder. Proper inspections should always follow manufacturer guidelines and NFPA 10 requirements.
Learn more here: https://buff.ly/wkhlm8W