How often do I need to perform pressure testing for my fire extinguisher?

How often do I need to perform pressure testing for my fire extinguisher?

Q. How often do I need to perform testing, pressure testing, hydrostatic testing for my fire extinguisher? 

A. For testing a fire extinguisher, you will need to send your extinguisher to an TUV authorised fire extinguisher maintenance workshop. 


- 10 Years Interval for Carbon Dioxide and Clean Agent type fire extinguishers. 

- 5 Years Interval for every other type of fire extinguisher.  


After pressure testing, refilling of the fire extinguisher with new extinguishing agents are required. 


For details, refer to the table below referenced from Singapore Standards 578: 


ImageExtinguishing Agent
Test Interval (Years)

Dry Chemical Powder
5  

Carbon Dioxide 10

Foam (AFFF)5

Water5

Clean Agent10