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Date: Fri, 01 Oct 2010 10:12:13 -0800
Subject: [labnetwork] PVC piping
In-Reply-To: <5863FB4055D90542A7A7DAE0CEF2ACB0060B734663@E2K7CCR1.netvigour.com>
References: <AANLkTimwTuD4FdmiWt1KkqsVc22jcj04ZXMjZ1w1SY0a@mail.gmail.com> <5863FB4055D90542A7A7DAE0CEF2ACB0060B734532@E2K7CCR1.netvigour.com> <D14ADF941D26CD4E9015A15C62B39556699CCE1177@VPEXCH06.purdue.lcl> <AANLkTingemDB1rdDo26851PtJJiVgMWdy7vz5oroqJ7n@mail.gmail.com>
<5863FB4055D90542A7A7DAE0CEF2ACB0060B734663@E2K7CCR1.netvigour.com>
Message-ID: <4CA6247D.3060306@gmail.com>
This also brings-up the broader technology transfer issue. One has
to be careful in providing answers to technology questions in such open
forums because the disclosed material may be protected by laws and
policies, and the disclosure may have unintended consequences. Of
course this does not diminish the usefulness of the mtl.mit forum. All
the members of the forum have to reminded of its "totally open" nature
and the ineffectiveness of the / proprietary and/or confidential /caveats.
Pramod C Karulkar
On 9/30/2010 11:03 PM, Abbie Gregg wrote:
>
> HI Volkan,
>
> I am not sure where you are, but PVDF piping and valves is an export
> controlled item from the USA, Germany and elsewhere and is not
> available without an export license. I believe it can be used to make
> nuclear reactors, thus the red tape.
>
> Abbie Gregg
>
> President
>
> Abbie Gregg, Inc.
>
> 1130 East University Drive, Suite 105
>
> Tempe, Arizona 85281
>
> Phone 480 446-8000 x 107
>
> Cell 480-577-5083
>
> FAX 480-446-8001
>
> email agregg at abbiegregg.com <mailto:agregg at abbiegregg.com>
>
> website www.abbiegregg.com <http://www.abbiegregg.com>
>
> /CONFIDENTIALITY NOTICE: All information contained in or attached to
> this email constitutes confidential information belonging to Abbie
> Gregg, Inc., its affiliates and subsidiaries and/or its clients. This
> email and any attachments are proprietary and/or confidential and are
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>
> *From:* Volkan Ozguz [mailto:vozguz at sabanciuniv.edu]
> *Sent:* Thursday, September 30, 2010 11:28 PM
> *To:* Kuhn, Jeffrey G
> *Cc:* Abbie Gregg; labnetwork at mtl.mit.edu; Ciel Villawatkins; Mark Winter
> *Subject:* Re: [labnetwork] PVC piping
>
> Dear Jeff
> Thanks for the reply. You are right. The material proposed to us is
> HarvellXT. I will provide a ratioed price analysis as soon as it
> becomes available. I would like to place a disclaimer here. Some
> materials and services readily available at the US are surprisingly
> difficult to get here. I can find the most sophisticated LED lighting
> panels for example. But DI water piping was an "adventure" . Therefore
> the prices may not reflect the situation in USA.
>
> Volkan
>
>
> --
> Volkan ?zg?z
> Sabanc? University
> Nanotechnology Research and Application Center
> Orhanl?, Tuzla, ?stanbul 34956
> Office: 0 216 483 9880
> Fax: 0 216 483 9550
> Email: vozguz at sabanciuniv.e <mailto:vozguz at sabanciuniv.edu>
>
> On Thu, Sep 30, 2010 at 11:16 PM, Kuhn, Jeffrey G <kuhn1 at purdue.edu
> <mailto:kuhn1 at purdue.edu>> wrote:
>
> My initial concern was with organic compounds (TOC) leaching from the
> PVC pipe and cement, but it appears this new material has low
> extractables. The other concern I have is with the smoothness of the
> pipe joints. Any crevices or beads in the joint would invite bacteria
> growth.
>
> I did not dig too deeply into the specifications, but the following
> link from one supplier may be of some use:
>
> http://www.harvellxt.com/
>
> It appears there is training required to acquire the skill set needed
> to properly use the system, not unlike with PVDF fusion.
>
> I?d also be curious to see the cost difference between the two systems.
>