Re: CS TO CPVC flange connection

M Danish:

i understand that you are connecting lined CS pipe to CPVC Pipe. in my experience, lined pipe uses flanged connections, with the lining extruded thru the flange.

therefore, the mating face of the CS lined flange is the lining material itself. this approximates a flat faced flange.

to connect to a PVC flange, use a soft gasket and bolt kits designed for PVC with oversize washers.

At 11:00 AM 10/10/2004 -0700, you wrote:

>Dear all,
>Actually i have to join CS Flange PTFE lined to cpvc pipe.In CPVC line
>there will not be any welding.Then what will the joint connection type for
>CS flange to pipe.Welding?
>Danish
>
>Thomas Laupa <tlaupa@frii.com> wrote:
>
>M Danish:
>
>we generally use flat faced carbon steel flanges with a full face soft
>gasket (rubber or teflon). a raised face flange puts too much strain on
>the flat faced PVC flange. and it's hard to get a standard gasket to seal
>with the PVC flange. the PVC isn't much harder than the gasket. we also
>are sure to use bolt kits designed for PVC with oversize washers.
>
>hope this helps.
>
>
>
>At 09:26 AM 10/8/2004 -0700, you wrote:
>
> >Dear All,
> >How can we join the CS pipe 2in to CPVC pipe using flange connection.
> >Thanks,
> >Md Danish
> >
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>Thomas G Laupa PE
>Senior Engineer - Nalco Company
>Office Address: 1601 Diehl Road, Naperville, IL, 60563
>Courier Address: 1003 Remington, Fort Collins, CO, 80524
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>800-493-5009 fax
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>Md Danish
>RGP consult,K.S.A
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Thomas G Laupa PE
Senior Engineer - Nalco Company
Office Address: 1601 Diehl Road, Naperville, IL, 60563 Courier Address: 1003 Remington, Fort Collins, CO, 80524 970-227-5127
800-493-5009 fax Received on Sun Oct 10 16:51:00 2004