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.
table