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Bill486
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Join Date: Feb 2009
Posts: 2

ASME 16.34 Bolted Bonnet or Cover Joints

02/03/2009 12:13 PM

The formula calls for "Ag" (the area in sq. units of effective outside periphery of the gasket or o-ring)

What exactly does "outside periphery" mean? i.e. does it mean strcitly the "OD" of a ring gasket (regardless of the ID)? or should the area reflect OD minus ID?...What if the gasket were non-circular?

thanks

Bill
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Mechanicalmark
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Join Date: Jul 2008
Posts: 97
Good Answers: 2
#1

Re: ASME 16.34 Bolted Bonnet or Cover Joints

02/04/2009 9:35 AM

Bill-It is the Area within the OD of the Gasket. You do not subtract the area within the ID. Further, it does not include the centering ring for Spiral Wound Gaskets.
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Bill486
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Join Date: Feb 2009
Posts: 2
#2
In reply to #1

Re: ASME 16.34 Bolted Bonnet or Cover Joints

02/04/2009 1:23 PM

Thanks MechMark...I was leaning towards that. ... my analytical mind wants to tell me that "area" (for its definition in the traditional sense i.e. a flat nitrile ring gasket), is OD minus ID...

Thanks again!

Bill
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