Class 1500 Flange Dimensions
Class 1500 flange dimentions and bolt circles are as per ASME/ANSI B16.5 or ASME/ANSI 16.47. The dimensions are for end connection of class 1500 ball valve and other steel valves.
ANSI Class 1500 Flange Dimensions (RF)
| SIZE | O | R | C | T | h | Bolt | |||||||
| inch | mm | inch | mm | inch | mm | inch | mm | inch | mm | inch | mm | QTY. | Diameter |
| 2 | 50 | 8.50 | 216 | 3.62 | 92 | 1.50 | 38.5 | 6.50 | 165.1 | 1.00 | 26 | 8 | 7/8 |
| 2 1/2 | 65 | 9.62 | 244 | 4.12 | 105 | 1.62 | 41.5 | 7.50 | 190.5 | 1.12 | 29 | 8 | 1 |
| 3 | 80 | 10.50 | 267 | 5.00 | 127 | 1.88 | 48.0 | 8.00 | 203.2 | 1.25 | 32 | 8 | 1 1/8 |
| 4 | 100 | 12.25 | 311 | 6.19 | 157 | 2.12 | 54.0 | 9.50 | 241.3 | 1.38 | 35 | 8 | 1 1/4 |
| 6 | 150 | 15.50 | 394 | 8.50 | 216 | 3.25 | 83.0 | 12.50 | 317.5 | 1.50 | 39 | 12 | 1 3/8 |
| 8 | 200 | 19.00 | 483 | 10.62 | 270 | 3.62 | 92.9 | 15.50 | 393.7 | 1.75 | 45 | 12 | 1 5/8 |
| 10 | 250 | 23.00 | 585 | 12.75 | 324 | 4.25 | 108.0 | 19.00 | 482.6 | 2.00 | 51 | 12 | 1 7/8 |
| 12 | 300 | 26.50 | 675 | 15.00 | 381 | 4.88 | 124.0 | 22.50 | 571.5 | 2.12 | 54 | 16 | 2 |
| 14 | 350 | 29.50 | 750 | 16.25 | 413 | 5.25 | 133.5 | 25.00 | 635.0 | 2.38 | 61 | 16 | 2 1/4 |
| 16 | 400 | 32.50 | 825 | 18.50 | 470 | 5.75 | 146.5 | 27.75 | 704.8 | 2.62 | 67 | 16 | 2 1/2 |
| 18 | 450 | 36.00 | 915 | 21.00 | 533 | 6.38 | 162.0 | 30.50 | 774.7 | 2.88 | 74 | 16 | 2 3/4 |
| 20 | 500 | 38.75 | 985 | 23.00 | 584 | 7.00 | 178.0 | 32.75 | 831.8 | 3.12 | 80 | 16 | 3 |
| 24 | 600 | 46.00 | 1170 | 27.25 | 692 | 8.00 | 203.5 | 39.00 | 990.6 | 3.62 | 93 | 16 | 3 1/2 |
ANSI Class 1500 Flange Dimensions (RTJ)
| SIZE | Ring No. |
P | E | F | R | K | ||||||
| inch | mm | inch | inch | mm | inch | mm | inch | mm | inch | mm | inch | mm |
| 2 | 50 | R24 | 3.750 | 95.25 | 0.312 | 7.92 | 0.469 | 11.91 | 0.03 | 0.8 | 4.88 | 124 |
| 2 1/2 | 65 | R27 | 4.250 | 107.95 | 0.312 | 7.92 | 0.469 | 11.91 | 0.03 | 0.8 | 5.38 | 137 |
| 3 | 80 | R35 | 5.375 | 136.52 | 0.312 | 7.92 | 0.469 | 11.91 | 0.03 | 0.8 | 6.62 | 168 |
| 4 | 100 | R39 | 6.375 | 161.92 | 0.312 | 7.92 | 0.469 | 11.91 | 0.03 | 0.8 | 7.62 | 194 |
| 6 | 150 | R46 | 8.312 | 211.12 | 0.375 | 9.52 | 0.531 | 13.49 | 0.06 | 1.5 | 9.75 | 248 |
| 8 | 200 | R50 | 10.625 | 269.88 | 0.438 | 11.13 | 0.656 | 16.66 | 0.06 | 1.5 | 12.50 | 318 |
| 10 | 250 | R54 | 12.750 | 323.85 | 0.438 | 11.13 | 0.656 | 16.66 | 0.06 | 1.5 | 14.62 | 371 |
| 12 | 300 | R58 | 15.000 | 381.00 | 0.562 | 14.27 | 0.906 | 23.01 | 0.06 | 1.5 | 17.25 | 438 |
| 14 | 350 | R63 | 16.500 | 419.10 | 0.625 | 15.88 | 1.062 | 26.97 | 0.09 | 2.3 | 19.25 | 489 |
| 16 | 400 | R67 | 18.500 | 469.90 | 0.688 | 17.48 | 1.188 | 30.18 | 0.09 | 2.3 | 21.50 | 546 |
| 18 | 450 | R71 | 21.000 | 533.40 | 0.688 | 17.48 | 1.188 | 30.18 | 0.09 | 2.3 | 24.12 | 613 |
| 20 | 500 | R75 | 23.000 | 584.20 | 0.688 | 17.48 | 1.312 | 33.32 | 0.09 | 2.3 | 26.50 | 673 |
| 24 | 600 | R79 | 27.250 | 692.15 | 0.812 | 20.62 | 1.438 | 36.53 | 0.09 | 2.3 | 31.25 | 794 |
