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Anonymous Poster

Flange Facing Finish

04/25/2010 10:06 PM

I've read that there are smooth finish flanges to use metallic gasket & serrated finish to use non metallic gasket. But ASME B16.5, cl. 6.4.5.3. says either serrated concentric or serrated spiral finish having a resultant surface finish from 3.2 to 6.3 micro meter average roughness shall be furnished.

It is not clear to me. Can anyone explain this to me in detail?

Thanks in advance
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Anonymous Poster
#1

Re: Flange Facing Finish

04/25/2010 10:27 PM

I've read that there are smooth finish flanges to use metallic gasket.

Where? We use metallic gaskets on ASME (and DIN) flanges.
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Anonymous Poster
#2

Re: Flange Facing Finish

04/25/2010 10:52 PM

Use the quoted ASME flange surface finish for all gasket types.
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Anonymous Poster
#3

Re: Flange Facing Finish

04/27/2010 7:32 AM

I THINK THIS ARTICLE WILL HELP U....JUST GO THROUGH IT

http://www.pump-zone.com/seals/gaskets/what-is-the-impact-of-flange-finish-on-gasket-performance.html
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