pipingdesign: Re: Glass Lined Pipe

From: <shreedhar>
Date: Tue Jun 18 2002 - 00:55:00 EDT

Its 'Glass Re-inforced Epoxy'.

Regards.
----- Original Message -----
From: "Geoff Stone DD&D Australia" <blenrayaust@yahoo.co.uk> To: <PipingDesign@yahoogroups.com>
Sent: Tuesday, June 18, 2002 1:39 AM
Subject: Re: [PipingDesign] Glass Lined Pipe

> Hi Shreedar,
>
> I am sorry but what does GRE stand for?
>
> Geoff Stone
> --- shreedhar <shivapuji@mis.co.ae> wrote:
>
> <HR>
> <html><body>
>
>
> <tt>
> 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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> Design Detail and Development
> We specialise in pipe network and waterhammer analysis, pipe stress
analysis, buried pipelines and the design of thermoplastic pipe systems.
> Local tel 0402 35 2313 fax 02 8850 2313
> Overseas tel 61 402 35 2313 fax 61 2 8850 2313
>
> __________________________________________________
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> Yahoo! - Official partner of 2002 FIFA World Cup
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Received on Tue Jun 18 00:55:00 2002

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