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sachin_rastogi_in
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Join Date: Jul 2008
Location: India
Posts: 111

P-T Rating

07/26/2010 4:51 AM

P-T rating can be determined by looking at ANSI B16.5 & ASME B16.34.

How one can decide which one has to follow & where.

Thanks

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brkmech
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Join Date: May 2009
Location: UAE
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Good Answers: 3
#1

Re: P-T Rating

07/26/2010 12:24 PM

B16.5 is for flange rating (up to 24 inch size) & B16.34 is for valve rating

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sachin_rastogi_in
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Location: India
Posts: 111
#2
In reply to #1

Re: P-T Rating

07/27/2010 6:39 AM

I Apologize, but my concern is that

For valves also, many times we take flange rating. Why?

Thanks

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Anonymous Poster
#3
In reply to #2

Re: P-T Rating

07/27/2010 3:12 PM

Let us take example of a flange cl#150. Now this flange has a perticular pressure rating at certain temperature. Now the the globe valve of #150 rating is designed such that it can wind stand same pressure as that of flange. Hence both ratings are identical.
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