To : Ken
Re: Schedule 40 pipes
The sizes mentioned are not so common in Saudi Arabia. Normally, brands are second mention. Rather you ask for Japanese, Italian, Korean, etc. make. The last time I used sizes 200 mm up to 400 mm (about a year ago),. I had to return to the suppliers at least twice as they were rusted which the customer rejected at first sight. Most manufacturers are represented or at least carried by some suppliers here but they don't stock that many. I finally got my pipes from Dubai; unfortunately, I can not remember the name of the local supplier (Was it IMCO, Ali Al Nassar, Saudi Pan Gulf? Sorry, can't recall). Of course, you can always try Saudi Pipes.
Will ask around and give you another feedback later.
Hope this helps.
Eustacio A. Grajo
Jeddah, Saudi Arabia.
<a href="/group/PipingDesign/post?postID=gUEpiqLiMLF_UlpzlV_A7fVk767zE5msmGFYz1bgqR5-s_WruJZHZsgzSQYqT-8TYy6YVl-0Y5ESqVib3OQh8LcwdQ">PipingDesign@yahoogroups.com</a> wrote:
There are 4 messages in this issue.
Topics in this digest:
Message: 1
Date: Wed, 18 Jan 2006 09:59:01 -0800 (PST)
From: Grajo Eustacio
Subject: Re: Surge and Water Hammer
Gentlemen:
My line is air conditioning and in one project I was involved, the owner brought
in an "expert" to verify the direction of airflows leaving the duct. He used a
simulation technique called Computational Fluid Dynamics (CFD) which he claimed
to be in use since the 70's. He also said that the computer simulation can be
used on any fluid whether contained (as in pipes, tanks, etc.) or free flowing,
with applicable parameters put in, of course.
Has anyone used the technique in analyzing the current subject (surge/water
hammer)? Comments, please.
Thanks.
Eustacio A. Grajo
Jeddah, Saudi Arabia
[Non-text portions of this message have been removed]
Message: 2
Date: Wed, 18 Jan 2006 17:21:58 -0600
From: Christopher Wright
Subject: Re: Re: Surge and Water Hammer
On Jan 18, 2006, at 11:59 AM, Grajo Eustacio wrote:
> He used a simulation technique called Computational Fluid Dynamics
> (CFD) which he claimed to be in use since the 70's.
It was pretty crude and expensive back in the 70's, but these days it's
fairly common. Try a Google on CFD and you'll get lots of hits.
The technique is a bit like FEA for structural work. It's not for amateurs any more than FEA is, but a reasonably skilled engineer can get answers of the kind you've described. Christopher Wright P.E. |"They couldn't hit an elephant at <a href="/group/PipingDesign/post?postID=BMsJqGTx_QMFpYWxbA_imaG-eus_PTLh5_crAPaMu6VYbSnFom6rTzuu8AU6WmZnn4Q1XCWHQIaj">chrisw@skypoint.com</a> | this distance" (last words of Gen.
.......................................| John Sedgwick, Spotsylvania1864)
Message: 3
Date: Wed, 18 Jan 2006 18:38:47 -0800 (PST)
From: constant george
Subject: Re: Difference between NACE and Non NACE
NACE stands for National Association of Corrosion Engineers; you draw the conclusion from here. And don't forget Google or Yahoo or...
> Hai all,
>
> Could any one explain the diference between a Valve
> (without NACE) and
> Valve (MR 0715 NACE complied). Also difference
> between pipe API 5L Gr B
> (normal) and Pipe (API 5L Gr B Nace complied).
>
> What additional features or properties does a NACE
> copmplied material have ?
> Thanks in advance
>
> Regards
> Jijo
>
>
>
Message: 4
Date: Thu, 19 Jan 2006 03:42:16 -0000
From: "Ken Eppleston"
Subject: procurement of sch40 steel pipe
Does anyone have any experiences or understand the difficulties in procuring schedule 40 steel pipe anywhere from 250mmID up to 1050mmID in the Middle East and surrounding regions?
Or know of any suppliers in this region who can supply reasonable quantities (of high quality) with relatively short lead times?
Is "extra strong" easier to procure than schedule 40?
Any tips are most welcomed or even contacts with manufacturers...
Regards
KE
[Non-text portions of this message have been removed] Received on Fri Jan 20 10:42:00 2006
This archive was generated by hypermail 2.1.8 : Tue Mar 04 2008 - 11:40:46 EST