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API 6A Flange
Size
Weldneck
Flange (kg)
Blind Flange (kg)
1-13/16-20M 28.26 30.03
2-1/16-20M 39.56 42.1
2-9/16-20M 55.66 59.92
3-1/16-20M 71.54 78.25
4-1/16-20M 135.4 149.01
7-1/16-20M 430.51 405.47
9-20M 788.35 749.25
11-20M 1014.1 997.14
13-5/8-20M 2302.03 2271.73