Threaded Connections for Instruments

From: <Syed>
Date: Tue Jan 29 2008 - 09:52:00 EST

Gentlemen
Lets say that,for a particular Pipe Spec,Threaded connection is not allowed. However, there is a clause saying that threaded connections can be used for "instruments", with higher class like CL 3000. How should we understand/interpret this? Could you please explain this in detail..

Thanks.
Amjad       

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Never miss a thing. Make Yahoo your home page. <a href="http://www.yahoo.com/r/hs">http://www.yahoo.com/r/hs</a> Received on Tue Jan 29 09:52:00 2008