propane lines

Greg K

Well-known Member
I had a customer ask me to use my trencher to dig to bury new propane lines to his grain bins. He wants to bury them 3' deep and would rather not use copper. Is there any reason NOT to bury the lines that deep? Usually they are buried 6" to 1' deep around here. Is the stainless steel plastic coated line approved for propane and burial? what other options are there. Thanks in advance, Greg.
 
They make a plastic line for buried propane. I don't see any reason not to bury them deep, think mine are about that depth, with a warning ribbon about 16-18 inches above it.
 
Propane supplier here supplied yellow plastic tube and steel risers. I found out the hard way you want to run it in some kind of protective conduit.
 
We use yellow plastic that is special for the gas. Plastic line is rather cheap BUT when you
come out of the ground you use a riser that is pricy. Back to you question no problem putting it that deep. Get some marking tape and put down about one ft above the line what ever you use.
 
I see no issue with that, make sure they tape a marker wire to it when putting it in. I think the deeper the better.

Would not worry about putting it in conduit.
 
the plastic line my company uses is NOT to be used for liquid propane only vapor it will freeze and break if you run liquid though it
 
OK thanks for the input guys. The tracer wire is a good idea that I should have thought about along with the caution tape. I will look into plastic and see what the options are.
 
(quoted from post at 18:47:04 08/13/13) the plastic line my company uses is NOT to be used for liquid propane only vapor it will freeze and break if you run liquid though it
Why would it do that?
The liquid would be the same temperture as the liquid in the tank.
 

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