Re: about surge

Was it about vacuum
i am working with steam let ejeator

any problem

• Original message ------- From: Erik Scheir <erik.scheir@pandora.be> Sent: 14.1.'05, 12:06

>
> What do you mean with - 2 bar? Is it barg?
> The absolute vacum is - 1 barg or 0 bara, so - 2bar doesn't exsist.
>
> erik
>
>
>
>
>
> -----Oorspronkelijk bericht-----
> Van: Omid Hamlehdar [mailto:omid_7_ae@yahoo.com]
> Verzonden: dinsdag 11 januari 2005 7:19
> Aan: <a href="/group/PipingDesign/post?postID=bmqFAmQz0uOmC8e_Nj8-v7QUJQQ8sRDkDrGm3FWSDS6Mrk8gYbfmOBb3ul6nCnF8sf6161bwW2gc9-k9lSY_XUl57sFW">PipingDesign@yahoogroups.com</a>
> CC: mechproj@xtra.co.nz; <a href="/group/PipingDesign/post?postID=HIWUYuTYpqy3W-ewrLJFTqEFGUMbnFswkotPjRNDxHXutDFoubWDCEwBTY4jyEx_fHcoieJxn95SkNhykEMJan0">erik.scheir@pandora.be</a>
> Onderwerp: [PipingDesign] about surge
>
>
>
> Hi all
>
>
>
> I have a project for water handling, a pipeline with 100 km length, I am
> studying about surge in it according to a probable rapture in pipe and I am
> going to close two valves surrounding rapture point to avoid wasting water
> and to find out about surge cause by closing valves.
>
> Any body has experience in this regards? How shall we protect our system?
>
> I have heard from Erhard valve, they recommend a valve called "pipe burst
> control valve" to avoid wasting water when there is a rapture, this valve
> will be closed in around 2 min and this will cause surge in system, in some
> point we have -2 bar minimum pressure. I know that you may need to know
> about the profile but generally I would like to know how shall we suppress
> this surge?
>
>
>
> Best regards
>
>
>
> Omid
>
>
>
> ---------------------------------
> Do you Yahoo!?
> The all-new My Yahoo! - What will yours do?
>
> [Non-text portions of this message have been removed]
>
>
>
> ------------------------ Yahoo! Groups Sponsor --------------------~--> What
> would our lives be like without music, dance, and theater?
> Donate or volunteer in the arts today at Network for Good!
> <a href="http://us.click.yahoo.com/TzSHvD/SOnJAA/79vVAA/3GYolB/TM">http://us.click.yahoo.com/TzSHvD/SOnJAA/79vVAA/3GYolB/TM</a>
> --------------------------------------------------------------------~->
>
> =========================================
> PipingOffice - Excel Spreadsheets for Piping Calculations
> http://www.pipingoffice.us/ =========================================
> Main site: <a href="http://www.pipingdesign.com">http://www.pipingdesign.com</a>
>
> Yahoo! Groups Links
>
>
>
>
>
>
>
>
>
>
>
>
> =========================================
> PipingOffice - Excel Spreadsheets for Piping Calculations
> <a href="http://www.pipingoffice.us/">http://www.pipingoffice.us/</a>
> =========================================
> Main site: <a href="http://www.pipingdesign.com">http://www.pipingdesign.com</a>
>
> Yahoo! Groups Links
>
>
>
>
>
>
>
Received on Fri Jan 14 11:50:00 2005