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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 |
> intended for business use of the addressee(s) only. All other uses |
> or disclosures are strictly prohibited. If the reader is not the |
> intended recipient you are hereby notified that the perusal, copying |
> or dissemination of this email is strictly prohibited. If you have |
> received this communication in error, please notify the sender, and |
> delete all copies of this message and its attachments immediately/. |
> |
> *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. |
> |
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