RE: Piping Systems for High Purity Deionized Water

Bruce:

per your recommendation, and some library work, looks like we'll use PVDF. what types of cleaning procedures would you suggest?

At 08:00 AM 5/20/2002 -0500, you wrote:
>"High Purity Water" is a relative term. At a certain point, PVC can
>only serve after it's been leached (and therefore weakened). Go w/
>resistoflex, PVDF or glass lined, but any need to be properly cleaned
>and installed. Not all glass is even right (and everyone hates to fit
>or pay for glass). Always be aware that ultra pure water is very
>corrosive!
>
> ... Bruce D. Bullough ...
> Sebesta Blomberg & Associates
> 2381 Rosegate
> Roseville, MN 55113
> 651-634-7344 (office)
> 651-634-7400 (FAX)
> www.sebesta.com
>
>
>-----Original Message-----
>From: Thomas Laupa [mailto:tlaupa@frii.com]
>Sent: Friday, May 17, 2002 3:03 PM
>To: PipingDesign@yahoogroups.com
>Subject: [PipingDesign] Piping Systems for High Purity Deionized Water
>
>
>Gents:
>
>Have been given a project involving high purity water used for washing
>integrated circuits. Looking for some advice:
>
>1>What piping systems are generally used? Existing system is a
>hodgepodge
>of PVDF and PVC.
>2>Can anyone recommend standards or specifications?
>3>Can anyone recommend good reference material?
>
>Thank you in advance for your help.
>
>
>
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Received on Mon May 20 11:58:00 2002