the 1991 ed was a photocopy of the orig. Hens teeth. You'll be very lucky of you find an orig. I've been looking for years and years and have a permanent posting on all the bookstores.
Evening all,
I am trying to locate a copy of "Design of Piping Systems" by M.W. Kellogg There was a also a 1991 edition by John Wiley and Sons Publ
I have managed to locate a copy in the nearby university library but would like a copy for myself. I'd like allot of things but would settle for the book for today...
Anyone biting?
Regards
Conor
"Steve McKenzie" <Mechproj@xtra.co.nz>
09/05/2003 17:21
Please respond to PipingDesign
To: <PipingDesign@yahoogroups.com>
cc:
Subject: RE: [PipingDesign] New question; blowing out gaskets
on PE line; how to
stop
and a bloody good flange they are too.
Cheers
Steve McKenzie
-----Original Message-----
From: Geoff Stone DD&D Australia [mailto:blenrayaust@yahoo.co.uk]
Sent: Friday, May 09, 2003 12:06 PM
To: PipingDesign@yahoogroups.com
Subject: Re: [PipingDesign] New question; blowing out gaskets on PE
line; how to stop
Table F was in the British Stand BS 10 before that was superseded. The
Australian Standard AS 2129 still uses the nomenclature. Another standard
AS
4087 duplicates the falnges but designates them by class. They are
peculiart
to
the antipodese.
I once used the appropriate cement for the material and cement welded on
stiffeners the same OD as the joint and circumferentially. Looked horrible
bit
it worked. Its amazing how chunks of the stuff can be molded right on...
almost
any shape
Gents
Have put in a 250NB (355 OD) PN20 PE slurry line; expected max pressure 16
bar. Flanged joints are stub flanges, gramophone finish, Table F steel
backing rings. Gaskets are 3mm reinforced insertion rubber. Have had a
few
blowouts at 10 bar as we are not yet up to full output. Bolts were not
being
tightened properly but I think the problem is more than that.
Need a better gasket.
Have considered:
No gasket; just tighten her up; the slurry solids might blind off any
minor
leaks.
CAF gasket. Not my favourite as the CAF is probably too hard for the PE
grooves to get a good bite on.
Spiral wound or corrugated metal.
Metal backing ring to rubber: my favourite but where do you buy them?
Metal ring which cuts into the plastic as the joint is tightened.
Has anyone had this problem and if so how did they overcome it? No time
for
major work to the flange faces, so the solution must be with the gasket
itself.
In anticipation
Thanks
Steve McKenzie
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[Non-text portions of this message have been removed] Received on Fri May 09 12:11:00 2003
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