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Understanding Fire Extinguisher Testing in Australia

Unraveling The Unseen: Inside the Critical World of Fire Extinguisher Testing

It was a chilly day in Western Sydney when the distinct taste of winter was starting to make itself known. Small business owner Laura was starting her day, carrying out sociable chatter with customers in her popular café. The day promised nothing out of the ordinary – crispy, morning air, the familiar rushing sound of cappuccino frothers, the heavenly scent of freshly baked croissants.

Almost two hours into service, something changed. An uncomfortable warmth filled the air, smoke began curling from under a counter, and an orange glow was becoming ominously larger. It was a fire! Laura, having recently enforced strict fire safety protocols, including regular testing of their fire extinguishers, instinctively reached for a fire extinguisher placed by the door. With the tested and reliable extinguisher by her side, Laura effectively thwarted a disastrous fire.

As Laura’s story unfolds, it highlights just one instance where a well-maintained, efficiently tested fire extinguisher saved the day. According to Fire and Rescue NSW, in 2020 alone, New South Wales encountered over 4,000 residential fires. While we can’t tell just how many of these were managed through efficient fire extinguishers, we can say with certainty that Laura’s café was one business saved from becoming another statistic — all because of their maintained and effective fire extinguisher.

Inside Australia’s Fire Safety Statistics

The Australian Bureau of Statistics (ABS) reports 22,900 dwelling fires in 2020-21, resulting in 68 deaths and 554 injuries. This number may appear daunting, but Australian fire safety standards have continually worked to reduce incidents. Fire extinguishers, adhering strictly to standards and routine services outlined in AS 1851-2012, have proved instrumental in the cause.

The Quintessence of Fire Extinguisher Testing

While the sight of fire extinguishers stationed at workplaces, cafes or homes might evoke a sense of safety, their presence alone isn’t the winning ticket. Regular inspection and maintenance are key to ensure their effectiveness.

Australian Standard AS 1851-2012 necessitates that fire extinguishers undergo routine inspections at varying intervals:

  1. Monthly Inspections: A basic check to make sure the fire extinguisher is unobstructed, correctly positioned and apparently undamaged.
  2. Six-Monthly Inspections: These include a detailed check of the extinguisher’s physical state, weighing to ensure it’s not lost pressure, and verifying labels.
  3. Yearly Inspections: A comprehensive annual review involves checking the cylinder for corrosion, checking pressurised vessels for damage, ensuring the hose isn’t blocked, and the pressure gauge is at the correct level.
  4. Five-Yearly Maintenance: The extinguisher must undergo a significant service encompassing discharge testing, internal inspection, recharging, and replacement of components as required.

But paraphrasing protocols into everyday life often leaves several misconceptions unattended — a silent, sinister threat. Let’s explore a few:

“Dry Chemical Extinguishers Don’t Require Regular Testing as they are Powder”: An often assumed notion that tropical weather won’t affect a powder extinguisher. Unfortunately, the reality is far from it. Dry chemical extinguishers can cake or clump in high-humidity settings, compromising the free-flow of the extinguishing agent.

“CO2 Extinguishers need no Maintenance as there’s no Powder or Foam:” Wrong again! A CO2 extinguisher may not face ‘clumping’, but its rubber parts could degrade, and the extinguisher could lose pressure with time.

Compliance and Maintenance Tips:

  • Choose the right extinguisher for your needs based on potential fire hazards. Consult a fire safety professional for guidance.
  • Maintain a record of all testing and maintenance. This demonstrates compliance and helps plan future service needs.
  • Schedule regular testing with a qualified technician. Don’t attempt these procedures yourself unless certified.
  • Store extinguishers in easily accessible locations and ensure everyone knows how to use them. Include extinguisher use in fire drills.
  • Remember, prevention is key! Eliminate fire hazards like overloaded power outlets, flammable materials near heat sources, and unattended cooking.

Probing Further: Real-Life Fire Extinguisher Testing Scenarios

Testing fire extinguishers often unveil issues that might otherwise have been missed:

Scenario 1: A high school in Parramatta, during an AS 1851-2012 complied six-monthly test, found their water extinguisher weighed less. The weight difference indicated a potential internal leak, and the extinguisher was replaced.

Scenario 2: A Sydney-based factory’s yearly inspection, revealed corrosion in a few CO2 extinguishers. The corrosion meant a breach of cylinder integrity and made continuation unsafe. The faulty extinguishers were discharged safely and replaced.

Scenario 3: During a routine five-year maintenance test, a Sydney corporate office’s Foam fire extinguisher was found to have its foam concentrate deteriorated. The ineffective foam was appropriately discarded, the extinguisher cleaned and refilled, and thus redeployed, fully operational.

The Often Ignored Breed: Eco-Friendly Fire Extinguishers

Globally, we are becoming more environmentally conscious, yet, there’s one area often overlooked – fire extinguishers. Traditional extinguishing agents like halon, even some fluorocarbons, contribute to ozone depletion. There’s an increasing shift towards eco-friendly extinguishers, such as clean agent extinguishers and water mist extinguishers.

Clean agent extinguishers work on the principle of cooling and smothering to remove heat and oxygen food sources. The agent they use, usually a halocarbon or inert gas, is electrically non-conductive, evaporates without residue and is less harmful to our environment.

Water Mist extinguishers, on the other hand, rely on de-ionised water to discharge a fine spray mist that cools the fire and reduces the oxygen content by evaporation, yet doesn’t cause water damage.

Advancing With the Future

By now, you might be pondering the importance of maintaining, servicing, and testing fire extinguishers – and rightly so. Fire extinguishers are often treated as a box to tick for compliance when, in reality, they are essential lifelines in our defense against fire hazards.

Fire safety doesn’t end with setting protocols; it must constantly evolve with time and circumstance. Today, the need for fire extinguishers that are responsive to environment changes, their adopted materials, and management modes stand more prominently than ever before.

As we wrap up, it is essential to remember that while fire extinguishers remain a potent weapon against fire outbreaks, their efficacy ultimately depends on regular testing and maintenance. Just like Laura, and countless others around Australia, let your legacy not be the fire that broke but the fire that got managed – through a well-maintained fire extinguisher, standing ready to protect against unexpected fires.

Remember, in matters of safety, never hesitate to seek expert guidance. Your vigilance today can avert a catastrophe tomorrow.

After all, your safety is our utmost priority.

Wishing you a safe and protected future,

Alex 🧯

Connect, Evaluate, Protect


  1. Fire and Rescue NSW, Residential Fires
  2. Australian Bureau of Statistics, Fire and Homicide Statistics, 2018-19
  3. SFPE Handbook of Fire Protection Engineering
  4. National Fire Protection Association, Clean Agent Fire Extinguishing Systems

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