you got it steve, youre now the authoritative source. I agree youre right on the money. I dont think you'll find anything.
-----Original Message-----
From: Steve McKenzie [mailto:mechproj@xtra.co.nz]
Sent: Friday, May 14, 2004 4:35 PM
To: PipingDesign@yahoogroups.com
Subject: [PipingDesign] Butt Welded HDPE Pipe - Friction Loss Due To
Weld Beads
Gents
an HDPE supplier/installer has been asked by his client to debead the
weld inside an HDPE pipeline. The reason given is thought to be
increased pipeline friction due to the weld beads.
The line is 1400mm OD (18m lengths), 56mm wall and the beads are said
to be 10mm high (which seems a little low to me). I did a few rough
sums treating the weld as an orifice plate. The outcome was that the
weld friction loss is less than 3% of the pipe friction loss, which
didnt surprise me.
I am looking for an authoritative (quotable) study/reference on this
subject.
Any leads?
Thanks
Steve
Yahoo! Groups Links Received on Sat May 15 13:15:00 2004
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