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How to Safely Turn Off a Propane Tank on Fire

Published in Propane Safety 4 mins read

In the event of a propane tank fire, your absolute priority is safety; if it is safe to approach, you can shut off the main valve to stop the fuel supply, but always call emergency services immediately.

Immediate Action: Prioritize Safety and Call 911

A propane tank on fire is a critical emergency. Your first and most crucial step is to ensure the safety of yourself and everyone nearby. If the fire is large, uncontrollable, or if you feel any hesitation or fear for your safety, evacuate the area immediately and call 911 without delay. Emergency responders are trained to handle such situations safely and effectively.

When to Attempt Shutting Off the Valve

Only consider attempting to shut off the propane tank valve if the fire is small, contained, and not directly impinging on the tank itself, and if you can access the valve safely without exposing yourself to significant risk. If the tank is hissing, vibrating, or if flames are engulfing the tank, evacuate immediately as there is a risk of a Boiling Liquid Expanding Vapor Explosion (BLEVE) or other catastrophic failure.

How to Shut Off a Burning Propane Tank's Valve

If it is safe to proceed, follow these steps to turn off the propane supply:

  1. Locate the Main Valve: The main shut-off valve is typically found under a protective lid on the top of your propane tank.
  2. Lift the Lid: Gently lift the lid on the top of the tank to expose the valve.
  3. Turn the Main Valve to the Right (Clockwise): Remember the old phrase “lefty loosey, righty tighty.” To shut off the supply from the tank, you will need to turn the main valve to the right (clockwise) as far as it will go. This action will close the valve, cutting off the flow of propane.
  4. Step Back to Safety: Once the valve is closed, the fire should diminish as the remaining propane in the lines burns off. Immediately move to a safe distance away from the tank.

Why Turning Off the Valve is Crucial

Turning off the main valve is the most effective way to extinguish a propane fire because it eliminates the fuel source. Without a continuous supply of propane, the flames cannot sustain themselves. This method safely brings the situation under control by removing one of the three elements required for fire: fuel, oxygen, and heat.

After the Valve is Off: Next Steps

Even after successfully shutting off the valve, it's vital to:

  • Call 911 (Again, if necessary): Inform emergency services of the situation and the actions you've taken. They will assess the scene, ensure the area is safe, and check for any residual hazards.
  • Contact Your Propane Supplier: Get in touch with your local propane company (e.g., Advanced Propane) for a professional inspection of the tank and the entire system to identify any damage and ensure it's safe for future use.

Essential Propane Fire Safety Tips

Preventing propane fires is always better than dealing with one. Here are some general safety guidelines:

  • Keep Clear: Ensure that the area around your propane tank is clear of combustible materials, trash, and debris.
  • Regular Inspections: Periodically inspect your tank and hoses for any signs of damage, leaks, or wear. You can check for leaks using a soapy water solution – bubbles indicate a leak.
  • Know Emergency Procedures: Familiarize yourself with how to shut off your propane supply before an emergency occurs.
  • Ventilation: Ensure adequate ventilation when using propane appliances, especially indoors.
  • Fire Extinguisher: Keep a multi-purpose fire extinguisher readily accessible and know how to use it.

Safety Reminders for Propane Use

Understanding key safety practices can prevent emergencies and protect lives.

Do's Don'ts
Keep fire extinguishers handy Never attempt to extinguish a large or uncontrollable propane fire yourself
Regularly check for leaks with soapy water Store propane tanks indoors or near ignition sources (e.g., pilot lights)
Ensure proper ventilation for appliances Use damaged tanks, hoses, or regulators
Know your emergency contact numbers (911) Obstruct access to the main shut-off valve
Have professional inspections annually Overfill propane tanks