Why You Need A Hydrostatic Test For Fire Extinguishers

Having the correct fire extinguishers present in your building isn’t the only step necessary for keeping your business safe. If you’re wondering why a hydrostatic test for fire extinguishers is mandatory for your safety, this blog has the answers you’re looking for. 

Hydrostatic test for fire extinguishers

With around 30% of workplace portable fire extinguishers currently in improper condition, understanding why testing is so important could be what keeps you safe when you need it most. Hydrostatic testing for fire extinguishers is required on a reoccurring basis to ensure that they are in proper placement and condition. But, if you’re wondering what this kind of testing means for your Fire & Life Safety, that’s where we come in.


What is a hydrostatic test for fire extinguishers? 

The full hydrostatic test for fire extinguishers includes: 

  • A visual inspection of the fire extinguisher – to locate any wear-and-tear that could compromise the cylinder.  
  • Removing the hose – to be replaced with a hydro-test adapter and capture the extinguishing agent. 
  • Extinguish the agent – to remove anything that can hinder proper pressure tests. 
  • Remove the valve – to inspect the cylinder’s interior and locate any compromised areas that could affect its pressure. 
  • Run a pressure test – to gauge how pressurized your cylinder is.
  • Clear, clean, and shine – to make it ready to refill the suppressing agent. 
  • Replace the valve and O-rings – to replace these after each test. 
  • Refill cylinder with the agent & pressurize – to set your system up for a successful suppression. 
  • Renew & add labels  – to show the date of this test and pressure levels. 
  • Bind & seal – to trust that it’s completed and ready to perform as expected. 

How often is hydrostatic testing required? 

The NFPA has mandated a hydrostatic test for fire extinguishers on a monthly, quarterly, and annual basis for all fire extinguishers located in your space. The test itself ensures that your fire extinguisher is in the best condition to protect your property. Yet, a full hydrostatic test is scheduled every 12 years. During this test, a technician will come to your space and inspect the pressure gauge and valve to ensure that your fire extinguisher is rea

dy to properly work at a moment’s notice.  


But no need to worry about remembering all the times and dates for your next inspections on your own. If you’re a client of DynaFire, you have access to DynaLink, a customer service platform that gives you the ability to ask questions, view your billing history, and even schedule your next test or inspection. Access your DynaLink account here. Or, contact us to receive access to this customer portal, your one-stop spot for all your Fire & Life Safety needs. 

Why do I need a hydrostatic test for fire extinguishers? 

Bottom line – this test is to keep you safe. At DynaFire, our mission is “Protecting lives and property through leading technologies and quality service while creating valuable relationships.“ 

Hydrostatic testing is just one of the ways we work to protect your life and property. There’s ultimately no point in having a faulty fire extinguisher present in your property, and sometimes the only way to be made aware of that is through inspection and testing. 


Learn more about the other services we provide and contact us today to set up your next test. We’re in the business of keeping you safe!

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