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Old 20 November 2017, 08:55 PM
jimmy101_again jimmy101_again is offline
Join Date: 29 December 2005
Location: Greenwood, IN
Posts: 6,912

Originally Posted by WildaBeast View Post
I honestly have no idea how the auto shutoff in those devices works, but I'm going to take a guess and guess that they rely on a drop in pressure to detect when there's a leak. Are oil pipelines pressurized, or are they just gravity fed?
Well, since the pipe runs pretty much north to the south then gravity should be enough.

(Yes, basically all pipelines are pressurized.)
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