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Propane Tank Overfilling


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I read through this thread on Airforums this morning about the dangers of overfilling of propane tanks.  I usually get mine filled locally at a propane supply place, it’s all they do.  Something to be aware of, the fire danger is real!  Does anyone have experience with this?  Here is a quote from one of the posts:

“This is correct, DO NOT use any propane until you open the 80% bleeder screw on the valve of the tank and vent in an open area / safe place until only vapor comes out instead of liquid LP.

It is possible to have liquid LP go through the regulator and to the appliance and cause a BIG FIRE!!!

I had a tank overfilled once like you, I hooked it up to a BBQ to burn off the extra LP. The flames were over ten feet high! I turned off the LP and the flames continued for ten minutes with just was in the hose!!!

DON'T DO IT.............!!!!!!”

 

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If a modern tank is functioning correctly it can not be overfilled. Modern tanks have a internal shutoff valve that only allows a specific liquid level. Of course there is always the possibility that it is not functioning correctly.

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1 hour ago, Mike and Carol said:

The flames were over ten feet high! I turned off the LP and the flames continued for ten minutes with just was in the hose!!!

I would like to see a video of that. Yes, it is prudent to watch the person filling your tanks! Thanks for posting. 

John Davies

Spokane WA

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