American Flange Standards
CL 900 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 | 1020 | 135.0 | 154.0 | 259 | 901.7 | 67 | 20 | 650 | 26 |
700 | 28 | 1105 | 147.7 | 166.7 | 276 | 971.6 | 73 | 20 | 700 | 28 |
750 | 30 | 1180 | 155.6 | 176.1 | 289 | 1035.0 | 79 | 20 | 750 | 30 |
800 | 32 | 1240 | 160.4 | 186.0 | 303 | 1092.2 | 79 | 20 | 800 | 32 |
850 | 34 | 1315 | 171.5 | 195.0 | 319.02 | 1155.7 | 86 | 20 | 850 | 34 |
900 | 36 | 1345 | 173.1 | 201.7 | 325 | 1200.2 | 79 | 24 | 900 | 36 |