VT,
I do not recommend cold spring for equipment connections.
cold spring will not relieve your stresses, it should be used to set
displacement for clearance purposes. use loops.
Kevin Mooney
-----Original Message-----
From: V.T. Rao/Piping [mailto:trv@eil.co.in]
Sent: Monday, October 01, 2001 1:27 AM
To: <a href="/group/PipingDesign/post?postID=iuHLB2KfxD2vfwa-ccsWoxb8B1urp38vnG6OzMAgCOtF09hdE-FxFaJd_SCb03daC692s1ituagiCnQifOyUzkcD8rdRqg">PipingDesign@yahoogroups.com</a>
Subject: Re: [PipingDesign] High temperature Piping in Refineries
is it ok to use cold pull
in pump suction/dicharge lines, to get the nozzle loads under controll?
ie loops vs cold pull which is better option?
> Hi All,
> I would like to know expereinces from the experts of our group
> about high
> temperature Piping, particularly involved in Hydro based treaters like
> Hydrocarcker, Diesel Hydro Treaters, Catalytic Reforming Units and
> FCC of an
> Oil Refinery. I have seen people face lot of problems for this high
> temperature piping (from 250 Deg.C and above), particularly around
> rotatingmachinery. Quite a few times it is observed that even Pump
> suction lines are
> provided with many loops to take care of flexibility. This is not
> good for
> equipment performance..what machinery experts say. Ofcourse plants are
> running.
> Please share your expereinces and help in enrich the knowledge of
> othermembers.
> Regards.
> Hari Prasad Macharla
>
>
>
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