01
Long Weld Neck "LWN"
Class 900 Standard Connections Flanges
02
Heavy Barrel "HB"
03
Equal Barrel "E"
| Size | Flange | Barrel OD | Bolting | Nut | Stud Bolt | Weights | Length | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nom | Bore LWN & E | Bore HB | OD | Thk | RF of OD | LWN | HB | E | # ofHoles | Hole Size | Bolt Circle | Stop Dia | Relief Dia | Relief Length | Size | RF Length | RTJ Length | LWN | HB | E | Base | |||
| B | B | O | T | R | D | D | D | C | NS | NR | NL | Base | Per 1″ | Base | Per 1″ | Base | Per 1″ | L | ||||||
| 1/2 | 0.5 | 0.55 | 4.75 | 0.88 | 1.38 | 1.56 | 2 | 4.75 | 4 | 0.88 | 3.25 | 2 | 1.56 | 1 | 3/4 | 4 1/4 | 4 1/4 | 8 | 0.5 | 10 | 0.8 | 37 | 5 | 9 |
| 3/4 | 0.75 | 0.74 | 5.12 | 1 | 1.69 | 1.81 | 2.25 | 5.12 | 4 | 0.88 | 3.5 | 2.25 | 1.81 | 1 | 3/4 | 4 1/2 | 4 1/2 | 10 | 0.6 | 13 | 1 | 42 | 5.7 | 9 |
| 1 | 1 | 0.96 | 5.88 | 1.12 | 2 | 2.12 | 2.56 | 5.88 | 4 | 1 | 4 | 2.56 | 2.12 | 1.12 | 7/8 | 5 | 5 | 13 | 0.8 | 17 | 1.3 | 54 | 7.5 | 9 |
| 1 1/4 | 1.25 | 1.28 | 6.25 | 1.12 | 2.5 | 2.5 | 2.94 | 6.25 | 4 | 1 | 4.38 | 2.94 | 2.5 | 1.12 | 7/8 | 5 | 5 | 17 | 1 | 20 | 1.6 | 61 | 8.3 | 9 |
| 1 1/2 | 1.5 | 1.5 | 7 | 1.25 | 2.88 | 2.75 | 3.25 | 7 | 4 | 1.12 | 4.88 | 3.25 | 2.75 | 1.25 | 1 | 5 1/2 | 5 1/2 | 21 | 1.2 | 26 | 1.9 | 77 | 10 | 9 |
| 2 | 2 | 1.94 | 8.5 | 1.5 | 3.62 | 4.12 | 5.06 | 8.5 | 8 | 1 | 6.5 | 5.06 | 4.12 | 1.12 | 7/8 | 5 3/4 | 5 3/4 | 42 | 2.9 | 56 | 4.9 | 115 | 15 | 9 |
| 2 1/2 | 2.5 | 2.32 | 9.62 | 1.62 | 4.12 | 4.88 | 5.88 | 9.62 | 8 | 1.12 | 7.5 | 5.88 | 4.88 | 1.25 | 1 | 6 1/4 | 6 1/4 | 56 | 3.9 | 75 | 6.5 | 144 | 19 | 9 |
| 3 | 3 | 2.9 | 9.5 | 1.5 | 5 | 5 | 6.06 | 9.5 | 8 | 1 | 7.5 | 6.06 | 5 | 1.12 | 7/8 | 5 3/4 | 5 3/4 | 51 | 3.6 | 71 | 6.3 | 139 | 18 | 9 |
| 4 | 4 | 3.83 | 11.5 | 1.75 | 6.19 | 6.25 | 7.44 | 11.5 | 8 | 1.25 | 9.25 | 7.44 | 6.25 | 1.38 | 1 1/8 | 6 3/4 | 6 3/4 | 93 | 5.1 | 133 | 9.1 | 270 | 26 | 12 |
| 5 | 5 | 4.81 | 13.75 | 2 | 7.31 | 7.5 | 9 | 13.75 | 8 | 1.38 | 11 | 9 | 7.5 | 1.5 | 1 1/4 | 7 1/2 | 7 1/2 | 135 | 7 | 194 | 13 | 376 | 37 | 12 |
| 6 | 6 | 5.76 | 15 | 2.19 | 8.5 | 9.25 | 10.69 | 15 | 12 | 1.25 | 12.5 | 10.69 | 9.25 | 1.38 | 1 1/8 | 7 1/2 | 7 3/4 | 191 | 11 | 259 | 18 | 436 | 42 | 12 |
| 8 | 8 | 7.62 | 18.5 | 2.5 | 10.62 | 11.75 | 13.31 | 18.5 | 12 | 1.5 | 15.5 | 13.31 | 11.75 | 1.62 | 1 3/8 | 8 3/4 | 8 3/4 | 297 | 16 | 389 | 27 | 626 | 62 | 12 |
| 10 | 10 | 9.56 | 21.5 | 2.75 | 12.75 | 14.5 | 16.31 | 21.5 | 16 | 1.5 | 18.5 | 16.31 | 14.5 | 1.62 | 1 3/8 | 9 1/4 | 9 1/4 | 422 | 25 | 558 | 39 | 824 | 81 | 12 |
| 12 | 12 | 11.38 | 24 | 3.12 | 15 | 16.5 | 18.81 | 24 | 20 | 1.5 | 21 | 18.81 | 16.5 | 1.62 | 1 3/8 | 10 | 10 | 518 | 29 | 715 | 50 | 984 | 96 | 12 |
| 14 | 14 | 14 | 25.25 | 3.38 | 16.25 | 17.75 | 19.62 | 25.25 | 20 | 1.62 | 22 | 19.62 | 17.75 | 1.75 | 1 1/2 | 10 3/4 | 11 | 624 | 26 | 817 | 42 | 1368 | 98 | 16 |
| 16 | 16 | 16 | 27.75 | 3.5 | 18.5 | 20 | 21.69 | 27.75 | 20 | 1.75 | 24.25 | 21.69 | 20 | 1.88 | 1 5/8 | 11 1/4 | 11 1/2 | 750 | 32 | 942 | 48 | 1573 | 114 | 16 |
| 18 | 18 | 18 | 31 | 4 | 21 | 22.25 | 24.06 | 31 | 20 | 2 | 27 | 24.06 | 22.25 | 2.12 | 1 7/8 | 12 3/4 | 13 1/4 | 950 | 38 | 1169 | 57 | 1898 | 142 | 16 |
| 20 | 20 | 20 | 33.75 | 4.25 | 23 | 24.5 | 26.38 | 33.75 | 20 | 2.12 | 29.5 | 26.38 | 24.5 | 2.25 | 2 | 13 3/4 | 14 1/4 | 1121 | 43 | 1378 | 66 | 2182 | 164 | 16 |
| 24 | 24 | 24 | 41 | 5.5 | 27.25 | 29.5 | 31.62 | 41 | 20 | 2.62 | 35.5 | 31.62 | 29.5 | 2.75 | 2 1/2 | 17 1/4 | 18 | 1865 | 65 | 2160 | 94 | 3084 | 246 | 16 |
