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Anonymous Poster

Ratings and Blind Flanges

01/13/2010 9:40 AM

what is the difference between 150 rating,300 rating
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Anonymous Poster
#1

Re: difference between rating of blindflanges

01/13/2010 12:58 PM

refer ASME B16.5 for the pressure-temperature rating of flanges.

BTW - Dimensions and PCDs too differ between classes, as do the bolt holes (and hence bolt sizes)
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gapee
Active Contributor

Join Date: Jan 2010
Posts: 14
#2

Re: difference between rating of blindflanges

01/13/2010 3:15 PM

Hi,refer to asmeB16.5 NUMBER OF BOLT'S HOLE ,DIMENSION OF FLANGE,

FOR EXAMPLE NUMBER OF BOLTS HOLE FOR DN50 CLASS 150ARE 4,AND CLASS 300 ARE8
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