Re: Need Help on Selecting Gasket

From: <hemant>
Date: Fri Sep 07 2007 - 05:48:00 EDT

Yes you have taken gasket from PMS it will be ok for clint even then he is asking such question u can suggest Graphite gasket.
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• "Sree Vardhana P.G. -" <s_vardhana@yahoo.co.uk> wrote:

> 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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