Re: Glass Lined Pipe

For an ongoing project we are using GRE pipes for sewer service. Have you considered this option ?

Regards,
Shreedhar.
----- Original Message -----
From: "Geoff Stone DD&D Australia" <blenrayaust@yahoo.co.uk> To: <PipingDesign@yahoogroups.com>
Sent: Monday, June 17, 2002 9:40 AM
Subject: Re: [PipingDesign] Glass Lined Pipe

> Paul,
>
> The pipe system was very intricate as it was replacing an existing system
in an
> old sewage treatment plant that was very congested. The plant had to be
kept
> running. We also had gravity lines so could not re route that easily. The
> building was built using reinforced concrete so each penetration was a
> nightmare. Monorails and overhead cranes added to the complexity.
>
> No we didnt groove the Victaulic coupling. Victaulic make a coupling with
> hardened teeth that bite into the outside of the pipe. It saves double
handling
> the pipe and the likely corrosion point on the pipe. Sewage is one of the
most
> corrosive fluids known to man especially if there is H2S about.
>
> Some of our STPs are carved into sandstone headlands and are very
congested.
>
> Piping in a refinery to ANSI B31.3 or a mineral propcessing plant is a
dream
> compared to this industry.
>
> Geoff
> --- Paul Bowers <pbowers@pipingdesign.com> wrote:
> > I'm curious as to what is needed; one line for a specific product or a
> > piping network of glass-lined pipe. This problem sounds a lot like the
> > issues encountered with vacuum-jacketed piping (as used for liquid
hydrogen
> > in my experience). With VJ, you can build everything up to the last
spool
> > piece and then custom fab the final bit.
> >
> > Did you cut the required groove for Victaulic into a glass-lined pipe?
I'm
> > afraid my knowledge of glass lining and Victaulic is not the best.
> >
> > Paul
> >
> >
> > ----- Original Message -----
> > From: "Geoff Stone DD&D Australia" <blenrayaust@yahoo.co.uk>
> > To: <PipingDesign@yahoogroups.com>
> > Sent: Sunday, June 16, 2002 10:00 PM
> > Subject: RE: [PipingDesign] Glass Lined Pipe
> >
> >
> >
> > > I can remember Greenline wanting everything flanged but in the end it
was
> > too
> > > time consuming measuring and getting specials flown out. So we
attacked it
> > by
> > > having plan ended pipe and using the Victaulic joint that grips the
> > outside of
> > > the pipe. Also the gasket used was their firesafe type, that filled in
the
> > gap
> > > between the pipe ends, to limit corrosion at that point.
> >
> >
> >
> >
> >
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>
>
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Received on Mon Jun 17 03:43:00 2002