[labnetwork] Knife edge flange pressure application

[Dennis Schweiger]

Thanks all for your input.

The Meyer Tool is a good lead. I'll give them a call. The pressure vessel
company I had used earlier has gone out of business.

Dennis

734.647.2055 Ofc

"People can be divided into 3 groups - those that make things happen, those
that watch things happen, and those that wonder what happened."  Within
which group do you belong?

On Tue, Oct 28, 2014 at 11:34 AM, John Shott <shott at stanford.edu> wrote:

>  Steve:
>
> Thanks for your contributions to this list ... you are one of the regular
> posters here from whom I always learn something useful.
>
> I think that your referral to ASME is exactly on target.  In fact, I found
> the following link that describes some of the issues and challenges
> associated with trying to use Conflat flanges in pressure-rated vessels:
>
> http://mtm-inc.com/reduce_project_risk/asme_commercial_vacuum_flanges/
>
> Dennis, it sounds as if Meyer Tool & Mfg might be a good source of
> information if you are looking at exploring this issue further.
>
> Good luck,
>
> John
>
> On 10/23/2014 7:14 AM, Paolini, Steven wrote:
>
>  Dennis,
>
> In my humble opinion, I would refer to ASME for any pressure related
> component use, they are quite particular in their specifying of vessels and
> components.
>
>
>
> Steve Paolini
>
> Equipment dood
>
> Harvard University Center for Nanoscale Systems.
>
>
>
> *From:* labnetwork-bounces at mtl.mit.edu [
> mailto:labnetwork-bounces at mtl.mit.edu <labnetwork-bounces at mtl.mit.edu>] *On
> Behalf Of *Dennis Schweiger
> *Sent:* Wednesday, October 22, 2014 10:57 AM
> *To:* Fab Network
> *Subject:* [labnetwork] Knife edge flange pressure application
>
>
>
> Good morning all,
>
>
>
> Is anyone out there using a standard vacuum style knife-edge flange
> (Conflat), in a pressure delivery application?  If so, I'd be interested to
> hear your application, as well as any information you might have in regard
> to certifying the usage for system integrity.
>
>
>
> Many years ago, I designed some vacuum chambers that had to have a 150PSI
> pressure rating as a process safety, and we used knife-edge flanges on the
> chamber.  The knife-edge flanges were then certified as part of the
> pressure vessel rating on the entire vacuum chamber.  The application I
> have now is strictly flange related, they're not part of a larger system.
>
>
>
> Thanks,
>
>
>   DennisSchweiger
>
> University of Michigan/LNF
>
>
>
> 734.647.2055 Ofc
>
>
> _______________________________________________
> labnetwork mailing listlabnetwork at mtl.mit.eduhttps://www-mtl.mit.edu/mailman/listinfo.cgi/labnetwork
>
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://mtl.mit.edu/pipermail/labnetwork/attachments/20141029/9564f411/attachment.html>