Re: RE: [Piping Design] Hydrotest pressure

From: <Christopher>
Date: Tue Nov 01 2005 - 23:31:00 EST

On Nov 1, 2005, at 3:18 PM, John Luf wrote:

> This is why the pipeline people basically test their lines all the way
> to yield, when they get yielding they stop their test and basically
> they have assurance that the line at least once withstood the test
> pressure acheived.

So what makes them sure they haven't done something unpleasant that's just waiting for another load cycle to let go? How do they determine yield?

Christopher Wright P.E. |"They couldn't hit an elephant at <a href="/group/PipingDesign/post?postID=uWUQkTyhcErAcn5etrsvtEVakUgBp5mn0196oxlJ23HLQxOODEgN85KAmGxTLkcODMpxjuvyUEFrai0">chrisw@skypoint.com</a> | this distance" (last words of Gen.

.......................................| John Sedgwick, Spotsylvania

1864)
<a href="http://www.skypoint.com/~chrisw/">http://www.skypoint.com/~chrisw/</a> Received on Tue Nov 01 23:31:00 2005