06d058-2-gad461-r4 · as per asme b16,47. series a . 8) gasket seating surface of flanges shall...

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Page 1: 06D058-2-GAD461-R4 · as per asme b16,47. series a . 8) gasket seating surface of flanges shall have serrated concentric finish of 125 to 250 micro inch and average concentric serrations