Re: Query: installation sense of PSV''s

From: <maruthappan>
Date: Sat Jan 15 2005 - 00:09:00 EST

Releif valve can be located anywhere. Minimum upstream piping would be prefered from process point of view. The most conventional installation would be to install it above the flare header.

Regards,

Maru
--- Pankaj.Mandal@fluor.com wrote:

> 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=rIVGa_FN-PKGG727Ag8QdXtg9g33MEeKSZhnBWaySmULWqCxKWJ7gvJjBsGpmmpv0CNbn8jnww0kDgIsUZ-2oDTqw5I">PipingDesign@yahoogroups.com</a>
> cc:
> 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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---

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Read only the mail you want - Yahoo! Mail SpamGuard. <a href="http://promotions.yahoo.com/new_mail">http://promotions.yahoo.com/new_mail</a> Received on Sat Jan 15 00:09:00 2005