Fire extinguishers generally need to be checked monthly with a visual inspection, professionally inspected annually, and undergo more in-depth internal maintenance or hydrostatic testing every 5 to 12 years depending on the type.
Inspection Frequency Details:
- Monthly Visual Checks: Check for physical damage, proper pressure (pressure gauge in the green zone), presence of tamper seals, and accessibility. These checks ensure no obvious impairments and are often done by the responsible person or fire safety officer.
- Annual Professional Inspection: A full maintenance inspection by a certified professional to verify overall functionality and safety, including repairs or replacements as needed.
- Internal Maintenance & Hydrostatic Testing: Periodic in-depth internal examination and pressure testing (hydrostatic test) typically every 5 years for water, foam, and CO2 extinguishers; every 6 years for some dry chemical types; and every 10-12 years depending on the extinguisher type to ensure structural integrity and proper operation.
This schedule is supported by occupational safety regulations (such as OSHA in the US), national fire codes (like NFPA 10), and industry best practices globally.
