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Forum: Reliability & Maintainability Questions and Answers

Topic: Reliability & Maintainability Questions and Answers

Topic Posted by: Reliability & Maintainability Forum ( )
Organization: System Reliability Center
Date Posted: Mon Aug 31 12:47:36 US/Eastern 1998

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Original Message:

Posted by: Bob Valerius ( )
Organization:Northrop-Grumman Oceanic & Naval Systems
Date posted: Thu Nov 16 13:32:36 US/Eastern 2000
Subject: Gasket seal vs. double o-ring seal at low ( less than 4psi) pressure
Hi Does anyone have an opinion or data on the relative reliability difference between a gasket seal and a double o-ring seal at low (less than 4psi) pressure for a rectangular battery box that is 28" X 70"? Normally we always use double o-rings but at low pressure there is a concern that it (the pressure) is insufficient to get a good seal for either of the o-rings. Thanks for your time!


Subject: Low Pressure O-ring /Gasket
Reply Posted by: Edward Sherwin ( )
Organization: RAC
Date Posted: Thu Nov 30 16:05:38 US/Eastern 2000
Dear Mr. Valerus I apolize for being late with this response, but your question is challenging. After review more than 50 abstracts on gasket and o-ring seals, I could not find one article that addresses low pressure (less than 4 psi)environment. I will sent you via email the abstract that I felt may be relevant to your specific problem. Thank you for your patience.

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