http://news.bbc.co.uk/1/hi/sci/tech/7609鈥?/a>What is the purpose of the right angled bends in oil pipelines?
Expansion, When built, the pipes will be icy cold but the oil is hot out of the ground.
All those miles of steel pipe will expand and contract. If they were straight the extra length would push pumps or valve around or buckle the pipe. A series of bends allows the expansion to push the loop slightly closed without damage. You can bend pipe slightly and it will return.What is the purpose of the right angled bends in oil pipelines?
Steel pipe expands with heat. The bends prevent damage with the expansion.
they help prevent expanision problems over long distances.
Slow the flow
straight pipes are too long
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