Re: Need Help on Selecting Gasket

From: <sanjay>
Date: Fri Sep 07 2007 - 16:47:00 EDT

Hi sree , use tanged gasket with metalic sheet perforated inside.and use metal cap inside and outside of the ring to protect the edges of tanged gasket to get damage.regards sanjay tewari
--- Alok Dubey <terrion_786@yahoo.co.in> wrote:

> Hi,
> 316 inner ring should be okay
>
> regards
> alok dubey
>
>
>
> ----- Original Message ----
> From: Sree Vardhana P.G. - <s_vardhana@yahoo.co.uk>
> To: <a href="/group/PipingDesign/post?postID=lBuC9PRCjg4fpck7lfsz6B4ya5114WxwRABETy-XjFzIBP3OFhZdg6bA2kpvMT-9y4-0iFeVPPhogjXmh4vNt4sDSormhZ4">PipingDesign@yahoogroups.com</a>
> Sent: Friday, September 7, 2007 8:44:11 AM
> Subject: [PipingDesign] Need Help on Selecting
> Gasket
>
> Hello,
>
> I need small help on selecting the Gasket.
>
> In one of our design for Chemical Injection skid,
>
> We have Formic Acid Tank and Formic Acid Injection
> Pump skid.
>
> The Line connecting from Formic Acid Tank to the
> Pump
> is of 2" in size and the pipe material is "ASTM A312
> TP 316 SEAMLESS" as per ANSI B36.19/10.
>
> The Flanges used are "A182 F316, WELD NECK RAISED
> FACE
> WITH 300#" as per ANSI B16.5
>
> The Gasket used are "1.5mm Graphite / metal laminate
> having reinforment lamella of Nickel or AISI 316" as
> per ANSI B16.21.
>
> The design has been made as per the piping
> specification says.
>
> Now the Question Arised from the Client is:
>
> Will the inner ring of Gasket gets corode? and is
> there any chances of leakage because of corrosion
> and
> does this affect the flanges too?
>
> Now I need your guidlines and suggestion:
>
> If gasket does have any such problem then what is
> the
> solution or what type of gasket we need to use?
>
> Is there any alternatre solution to this? if such
> problem really occurs.
>
> Expecting your guidelines and suggestions please...
>
> Thanks and Regards,
> Sree Vardhana
> Sr. Piping Designer
> Norway.
>
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HHhi i yh

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<a href="http://answers.yahoo.com/dir/?link=list&sid=396545469">http://answers.yahoo.com/dir/?link=list&sid=396545469</a> Received on Fri Sep 07 16:47:00 2007