American Flange Standards
CLASS 600 Series.B | FLANGE THICKNESS | LTB | DRILLING DATA | |||||||
---|---|---|---|---|---|---|---|---|---|---|
NOMINAL PIPE SIZE | FLANGE OUTSIDE DIAMETER | THICKNESS OF W/N MIN | THICKNESS OF BLIND MIN | WELD NECK LENGTH | PITCH CIRCLE DIAMETER | BOLT HOLE DIAMETER | NUMBER OF BOLT HOLES | NOMINAL PIPE SIZE | ||
MM | INCH | OD | T | T1 | L1 | PCD | H | # | MM | INCH |
650 | 26 | 890 | 111.2 | 111.3 | 181 | 806.4 | 45 | 28 | 650 | 26 |
700 | 28 | 950 | 115.9 | 115.9 | 190 | 863.6 | 48 | 28 | 700 | 28 |
750 | 30 | 1020 | 125.5 | 127.0 | 205 | 927.1 | 51 | 28 | 750 | 30 |
800 | 32 | 1085 | 130.2 | 134.9 | 216 | 984.2 | 54 | 28 | 800 | 32 |
850 | 34 | 1160 | 141.3 | 144.2 | 233 | 1054.1 | 60 | 24 | 850 | 34 |
900 | 36 | 1215 | 146.1 | 150.9 | 243 | 1104.9 | 60 | 28 | 900 | 36 |