Flange Standard Size Limit Deviation

Created on 2024.08.06
Table 1: The maximum deviation of the flange size for DN≤600mm is specified for butt welded flanges, flat welded flanges, socket welded flanges, threaded flanges, and loose flanges. Table 2: The limit deviation of the size for the flanging short joint of loose flanges is provided. Table 3: The limit deviation of the size for the sealing surface of the ring groove is presented. Table 4: The limit deviation of the flange size for DN>600mm is detailed.
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