Query: installation sense of PSV''s

From: <Pankaj.Mandal@fluor.com>
Date: Fri Jan 14 2005 - 23:44:00 EST

Since a relief valve can be located anywhere in the pipeline to be relieved of accidental pressure rise, an easier solution would be to relocate the PSV itself and follow a more conventional installation. I find it a general tendency amongst people to locate the PSV at the highest point of a pipeline which is absolutely not necessary. PSV is not a substitute of high point vent.

Regards,
Pankaj Mandal.

Paul Bowers <pbowers@pipingdesign.com> 01/15/05 07:10 AM
Please respond to PipingDesign

         To:     <a href="/group/PipingDesign/post?postID=RzJgj2EXPb8H6yft1hPXCxHtPQEK048engbTfR7kwIERwL-iTNNllbm2aKf_PJqhhSc1NvnFvw96dv7UeWglEHIoUw">PipingDesign@yahoogroups.com</a>
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         Subject:        Re: [PipingDesign] Query: installation sense of PSV's

.

Is this a liquid or gas installation? I forget.

Maybe we need a drawing to look at. Send it to me and I'll upload and link it.

Paul

C.Y L wrote:

> I reminbered "PSV should be installed vertically" is one statement of
API code (or maybe ASME BPC code), but there is not a solid reason why.
>
> I do not see a problem to install a PSV in horizontal position, only
"problem" is your piping installation does not agree with the code anymore. If you have no other way to install it, you may want to get approval from client to do it this way

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[Non-text portions of this message have been removed] Received on Fri Jan 14 23:44:00 2005