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Old 03-18-2019, 02:56 PM   #1
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Propane tank: How to empty?

I'm doing some work on the underside of my van and would like to fully empty the nearly full propane tank mounted underneath. I stopped by my local propane dealer's yard and they aren't able to do it. I'd rather not just open the valve and let it evacuate into the atmosphere, and instead have it recaptured for environmental and safety reasons.


Suggestions are great. I'll admit I haven't called around anywhere else yet. Just curious what other folks have done. Will RV dealers do this?



Thanks!
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Old 03-18-2019, 05:31 PM   #2
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I think that some dealers will.

This brings to mind my experience with having some propane tank work done on my diesel pusher by Foretravel in Nacogdoches, Texas, many years ago. They drove it to a station on their property and burned it off.

Good luck!


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Old 03-18-2019, 08:33 PM   #3
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My local guy says "wait here" and he walks out back, then you hear a loud hiss for awhile.....and it does take awhile. Nothing you could evacuate in to the atmosphere will hold a candle (no pun intended, please don't do that) to all of the crap big corporations and our yokel brethren have been spewing in to the atmosphere for hundreds of years.
I'd say your contribution will be a trillionth at most. Plus, it's kinda cool. I did it with a Westy tank not too long ago.

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Old 03-19-2019, 12:25 AM   #4
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I did it with a Westy tank not too long ago.
I bought a used Westy tank a couple months ago. Assuming I empty it can I grind/cut the existing mounts off and weld new ones on? Or am I just asking to blow s*&@ up?
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Old 03-19-2019, 07:05 AM   #5
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Propane tank: How to empty?

Im (obviously) no expert, but my plan was to get the tank empty and then pull off the valves/gauge/etc. and blow out with compressed air to make sure all gas fumes are evacuated before doing anything with the tank. I need to sandblast and repaint my tank.
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Old 03-19-2019, 09:45 AM   #6
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How about a whole bunch of 1# bottles?
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Old 03-19-2019, 10:54 AM   #7
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One RV repair place I went to would open windows then light stove and leave it on .... slow.
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Old 03-19-2019, 11:11 AM   #8
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Im (obviously) no expert, but my plan was to get the tank empty and then pull off the valves/gauge/etc. and blow out with compressed air to make sure all gas fumes are evacuated before doing anything with the tank. I need to sandblast and repaint my tank.
Good idea. After I move the mounts I need to replace a valve, sand and paint too.
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Old 03-19-2019, 11:24 AM   #9
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Air purge is the way to go there *when finish flushing* the tank of residual gas. Do know propane is a voc. O stands for organic if that makes anyone feel better. No flames or sparks nearby and watch out for the cold discharge of the gas.
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Old 03-19-2019, 12:28 PM   #10
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If you empty it first you wont blow anything up. These tanks are very thick and designed to withstand impact.

Brian, I sandblasted and painted mine without even emptying it. I emptied it later to change a valve.
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