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confirm your material under which category- Group 1.1 confirm your pressure class..? 160F-coming under the the slab of- 200F.

thanks mike for sharing the doc, also i have the attached a spec which is superseded. since it is for effluent treatment plant, i would rather check with ASTM F 1311 too. because the pressure rating may not be a major issue here...

Dear Team, can anyone tell me about the reference standard for WN flange dimensions over 60" to 100"?. Up to 60" it can be covered under B16.47 B series. but what about over sized flanges?. Best regards, 4T4