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Old 02-19-2015, 12:49 PM
kerry kerry is offline
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Join Date: Jan 2002
Posts: 18,350
Quote:
Originally Posted by Idle View Post
They use N2 because it is free of water vapor and will not combust.

Really. Air will introduce water and oxygen and over time this will rust out the pipe.

I had to be there and witness everything so I asked a lot of questions of the Lone Star guy. It took three hours.
There are drip legs in interior gas lines to deal with that problem. Maybe in the street lines N2 is necessary. His line is already filled with air.
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