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What value should S take for WN300-SCH30RF?

2020-06-14View Original

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This post was last edited by zhangjuhua on 2020-6-14 21:20. I have a question: for the flange HG/T20615-2009 WN300-SCH30RF, what is the wall thickness S=? a) S=8.38, according to B36.10; b) S=8.8, according to HG/T20553 Series Ia ; c) S=8.95; based on Appendix C of HG/T20592-2009 P321, the inner diameter range (323.9–306) is used to calculate this value by dividing it by 2. Attempts were made to use the values specified in the standards, but it was stated that the character count exceeded the allowed limit – it didn’t seem to be this troublesome before

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