[labnetwork] Knife edge flange pressure application

[Paolini, Steven]

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] 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
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