- Unless otherwise specified, dimensions are in millimeters.
- The length of the stud bolt does not include the chamfer height.
- ID = dependent on the pipe wall thickness, to be specified in the order.
| NPS Size | Class | DIA A | DIA D | THK B | DIA K | H | NO. L | DIA L | Bolt DIA (in) | Bolt lgth (mm) |
|---|---|---|---|---|---|---|---|---|---|---|
| NPS 1/2 ID=22.9 r=3 | 150 | 30 | 90 | 11.2 | 60.3 | 16 | 4 | 15.9 | 1/2 | 55 |
| NPS 1/2 ID=22.9 r=3 | 300 | 38 | 95 | 14.3 | 66.7 | 22 | 4 | 15.9 | 1/2 | 65 |
| NPS 1/2 ID=22.9 r=3 | 600 | 38 | 95 | 14.3 | 66.7 | 22 | 4 | 15.9 | 1/2 | 75 |
| NPS 1/2 ID=22.9 r=3 | 900 | 38 | 120 | 22.3 | 82.6 | 32 | 4 | 22.2 | 3/4 | 110 |
| NPS 1/2 ID=22.9 r=3 | 1500 | 38 | 120 | 22.3 | 82.6 | 32 | 4 | 22.2 | 3/4 | 110 |
| NPS 1/2 ID=22.9 r=3 | 2500 | 43 | 135 | 30.2 | 88.9 | 40 | 4 | 22.2 | 3/4 | 120 |
| NPS 3/4 ID=28.2 r=3 | 150 | 38 | 100 | 12.7 | 69.9 | 16 | 4 | 15.9 | 1/2 | 65 |
| NPS 3/4 ID=28.2 r=3 | 300 | 48 | 115 | 15.9 | 82.6 | 25 | 4 | 19.1 | 5/8 | 75 |
| NPS 3/4 ID=28.2 r=3 | 600 | 48 | 115 | 15.9 | 82.6 | 25 | 4 | 19.1 | 5/8 | 90 |
| NPS 3/4 ID=28.2 r=3 | 900 | 44 | 130 | 25.4 | 88.9 | 35 | 4 | 22.2 | 3/4 | 115 |
| NPS 3/4 ID=28.2 r=3 | 1500 | 44 | 130 | 25.4 | 88.9 | 35 | 4 | 22.2 | 3/4 | 115 |
| NPS 3/4 ID=28.2 r=3 | 2500 | 51 | 140 | 31.8 | 95.2 | 43 | 4 | 22.2 | 3/4 | 125 |
| NPS 1 ID=35 r=3 | 150 | 49.2 | 110 | 14.3 | 79.4 | 17 | 4 | 15.9 | 1/2 | 65 |
| NPS 1 ID=35 r=3 | 300 | 54 | 125 | 17.5 | 88.9 | 27 | 4 | 19.1 | 5/8 | 75 |
| NPS 1 ID=35 r=3 | 600 | 54 | 125 | 17.5 | 88.9 | 27 | 4 | 19.1 | 5/8 | 90 |
| NPS 1 ID=35 r=3 | 900 | 52 | 150 | 28.6 | 101.6 | 41 | 4 | 25.4 | 7/8 | 125 |
| NPS 1 ID=35 r=3 | 1500 | 52 | 150 | 28.6 | 101.6 | 41 | 4 | 25.4 | 7/8 | 125 |
| NPS 1 ID=35 r=3 | 2500 | 57 | 160 | 35 | 108 | 48 | 4 | 25.4 | 7/8 | 140 |
| NPS 1.1/4 ID=43.7 r=5 | 150 | 59 | 115 | 15.9 | 88.9 | 21 | 4 | 15.9 | 1/2 | 70 |
| NPS 1.1/4 ID=43.7 r=5 | 300 | 64 | 135 | 19.1 | 98.4 | 27 | 4 | 19.1 | 5/8 | 85 |
| NPS 1.1/4 ID=43.7 r=5 | 600 | 64 | 135 | 20.7 | 98.4 | 29 | 4 | 19.1 | 5/8 | 95 |
| NPS 1.1/4 ID=43.7 r=5 | 900 | 64 | 160 | 28.6 | 111.1 | 41 | 4 | 25.4 | 7/8 | 125 |
| NPS 1.1/4 ID=43.7 r=5 | 1500 | 64 | 160 | 28.6 | 111.1 | 41 | 4 | 25.4 | 7/8 | 125 |
| NPS 1.1/4 ID=43.7 r=5 | 2500 | 73 | 185 | 38.1 | 130.2 | 52 | 4 | 28.6 | 1 | 150 |
| NPS 1.1/2 ID=50 r=6 | 150 | 65 | 125 | 17.5 | 98.4 | 22 | 4 | 15.9 | 1/2 | 70 |
| NPS 1.1/2 ID=50 r=6 | 300 | 70 | 155 | 20.7 | 114.3 | 30 | 4 | 22.2 | 3/4 | 90 |
| NPS 1.1/2 ID=50 r=6 | 600 | 70 | 155 | 22.3 | 114.3 | 32 | 4 | 22.2 | 3/4 | 110 |
| NPS 1.1/2 ID=50 r=6 | 900 | 70 | 180 | 31.8 | 123.8 | 44 | 4 | 28.6 | 1 | 140 |
| NPS 1.1/2 ID=50 r=6 | 1500 | 70 | 180 | 31.8 | 123.8 | 44 | 4 | 28.6 | 1 | 140 |
| NPS 1.1/2 ID=50 r=6 | 2500 | 79 | 205 | 44.5 | 146 | 60 | 4 | 31.8 | 1.1/8 | 170 |
| NPS 2 ID=62.5 r=8 | 150 | 78 | 150 | 19.1 | 120.7 | 25 | 4 | 19.1 | 5/8 | 85 |
| NPS 2 ID=62.5 r=8 | 300 | 84 | 165 | 22.3 | 127 | 33 | 8 | 19.1 | 5/8 | 90 |
| NPS 2 ID=62.5 r=8 | 600 | 84 | 165 | 25.4 | 127 | 37 | 8 | 19.1 | 5/8 | 110 |
| NPS 2 ID=62.5 r=8 | 900 | 105 | 215 | 38.1 | 165.1 | 57 | 8 | 25.4 | 7/8 | 145 |
| NPS 2 ID=62.5 r=8 | 1500 | 105 | 215 | 38.1 | 165.1 | 57 | 8 | 25.4 | 7/8 | 145 |
| NPS 2 ID=62.5 r=8 | 2500 | 95 | 235 | 50.9 | 171.4 | 70 | 8 | 28.6 | 1 | 180 |
| NPS 2.1/2 ID=75.4 r=8 | 150 | 90 | 180 | 22.3 | 139.7 | 29 | 4 | 19.1 | 5/8 | 90 |
| NPS 2.1/2 ID=75.4 r=8 | 300 | 100 | 190 | 25.4 | 149.2 | 38 | 8 | 22.2 | 3/4 | 100 |
| NPS 2.1/2 ID=75.4 r=8 | 600 | 100 | 190 | 28.6 | 149.2 | 41 | 8 | 22.2 | 3/4 | 120 |
| NPS 2.1/2 ID=75.4 r=8 | 900 | 124 | 245 | 41.3 | 190.5 | 64 | 8 | 28.6 | 1 | 160 |
| NPS 2.1/2 ID=75.4 r=8 | 1500 | 125 | 245 | 41.3 | 190.5 | 64 | 8 | 28.6 | 1 | 160 |
| NPS 2.1/2 ID=75.4 r=8 | 2500 | 114 | 265 | 57.2 | 196.8 | 79 | 8 | 31.8 | 1.1/8 | 195 |
| NPS 3 ID=91.4 r=10 | 150 | 108 | 190 | 23.9 | 152.4 | 30 | 4 | 19.1 | 5/8 | 90 |
| NPS 3 ID=91.4 r=10 | 300 | 115 | 210 | 28.6 | 168.3 | 43 | 8 | 22.2 | 3/4 | 110 |
| NPS 3 ID=91.4 r=10 | 600 | 115 | 210 | 31.8 | 168.3 | 46 | 8 | 22.2 | 3/4 | 125 |
| NPS 3 ID=91.4 r=10 | 900 | 127 | 240 | 38.1 | 190.5 | 54 | 8 | 25.4 | 7/8 | 145 |
| NPS 3 ID=91.4 r=10 | 1500 | 125 | 265 | 47.7 | 203.2 | 73 | 8 | 31.8 | 1.1/8 | 180 |
| NPS 3 ID=91.4 r=10 | 2500 | 125 | 305 | 66.7 | 228.6 | 92 | 8 | 34.9 | 1.1/4 | 220 |
| NPS 3.1/2 ID=104.1 r=10 | 150 | 122 | 215 | 23.9 | 177.8 | 32 | 8 | 19.1 | 5/8 | 90 |
| NPS 3.1/2 ID=104.1 r=10 | 300 | 135 | 230 | 30.2 | 184.2 | 44 | 8 | 22.2 | 3/4 | 110 |
| NPS 3.1/2 ID=104.1 r=10 | 600 | 133 | 230 | 35 | 184.2 | 49 | 8 | 25.4 | 7/8 | 140 |
| NPS 3.1/2 ID=104.1 r=10 | 900 | … | … | … | … | … | … | … | … | … |
| NPS 3.1/2 ID=104.1 r=10 | 1500 | … | … | … | … | … | … | … | … | … |
| NPS 3.1/2 ID=104.1 r=10 | 2500 | … | … | … | … | … | … | … | … | … |
| NPS 4 ID=116.8 r=11 | 150 | 135 | 230 | 23.9 | 190.5 | 33 | 8 | 19.1 | 5/8 | 90 |
| NPS 4 ID=116.8 r=11 | 300 | 146 | 255 | 31.8 | 200 | 48 | 8 | 22.2 | 3/4 | 115 |
| NPS 4 ID=116.8 r=11 | 600 | 152 | 275 | 38.1 | 215.9 | 54 | 8 | 25.4 | 7/8 | 145 |
| NPS 4 ID=116.8 r=11 | 900 | 160 | 290 | 44.5 | 235 | 70 | 8 | 31.8 | 1.1/8 | 170 |
| NPS 4 ID=116.8 r=11 | 1500 | 162 | 310 | 54 | 241.3 | 90 | 8 | 34.9 | 1.1/4 | 195 |
| NPS 4 ID=116.8 r=11 | 2500 | 165 | 355 | 76.2 | 273 | 108 | 8 | 41.3 | 1.1/2 | 255 |
| NPS 6 ID=171.4 r=13 | 150 | 192 | 280 | 25.4 | 241.3 | 40 | 8 | 22.2 | 3/4 | 100 |
| NPS 6 ID=171.4 r=13 | 300 | 206 | 320 | 36.6 | 269.9 | 52 | 12 | 22.2 | 3/4 | 120 |
| NPS 6 ID=171.4 r=13 | 600 | 222 | 355 | 47.7 | 292.1 | 67 | 12 | 28.6 | 1 | 170 |
| NPS 6 ID=171.4 r=13 | 900 | 235 | 380 | 55.6 | 317.5 | 86 | 12 | 31.8 | 1.1/8 | 190 |
| NPS 6 ID=171.4 r=13 | 1500 | 230 | 395 | 82.6 | 317.5 | 119 | 12 | 38.1 | 1.3/8 | 260 |
| NPS 6 ID=171.4 r=13 | 2500 | 235 | 485 | 108 | 368.3 | 152 | 8 | 54 | 2 | 345 |
| NPS 8 ID=222.2 r=13 | 150 | 246 | 345 | 28.6 | 298.5 | 44 | 8 | 22.2 | 3/4 | 110 |
| NPS 8 ID=222.2 r=13 | 300 | 260 | 380 | 41.3 | 330.2 | 62 | 12 | 25.4 | 7/8 | 140 |
| NPS 8 ID=222.2 r=13 | 600 | 272 | 420 | 55.6 | 349.2 | 76 | 12 | 31.8 | 1.1/8 | 190 |
| NPS 8 ID=222.2 r=13 | 900 | 298 | 470 | 63.5 | 393.7 | 114 | 12 | 38.1 | 1.3/8 | 220 |
| PS 8 ID=222.2 r=13 | 1500 | 290 | 485 | 92.1 | 393.7 | 143 | 12 | 44.5 | 1.5/8 | 290 |
| NPS 8 ID=222.2 r=13 | 2500 | 305 | 550 | 127 | 438.2 | 178 | 12 | 54 | 2 | 380 |
| NPS 10 ID=277.4 r=13 | 150 | 305 | 405 | 30.2 | 362 | 49 | 12 | 25.4 | 7/8 | 115 |
| NPS 10 ID=277.4 r=13 | 300 | 321 | 445 | 47.7 | 387.4 | 95 | 16 | 28.6 | 1 | 160 |
| NPS 10 ID=277.4 r=13 | 600 | 345 | 510 | 63.5 | 431.8 | 111 | 16 | 34.9 | 1.1/4 | 215 |
| NPS 10 ID=277.4 r=13 | 900 | 368 | 545 | 69.9 | 469.9 | 127 | 16 | 38.1 | 1.3/8 | 235 |
| NPS 10 ID=277.4 r=13 | 1500 | 368 | 585 | 108 | 482.6 | 178 | 12 | 50.8 | 1.7/8 | 335 |
| NPS 10 ID=277.4 r=13 | 2500 | 375 | 675 | 165.1 | 539.8 | 229 | 12 | 66.7 | 2.1/2 | 490 |
| NPS 12 ID=328.2 r=13 | 150 | 365 | 485 | 31.8 | 431.8 | 56 | 12 | 25.4 | 7/8 | 120 |
| NPS 12 ID=328.2 r=13 | 300 | 375 | 520 | 50.8 | 450.8 | 102 | 16 | 31.8 | 1.1/8 | 170 |
| NPS 12 ID=328.2 r=13 | 600 | 400 | 560 | 66.7 | 489 | 117 | 20 | 34.9 | 1.1/4 | 220 |
| NPS 12 ID=328.2 r=13 | 900 | 420 | 610 | 79.4 | 533.4 | 143 | 20 | 38.1 | 1.3/8 | 255 |
| NPS 12 ID=328.2 r=13 | 1500 | 451 | 675 | 123.9 | 571.5 | 219 | 16 | 54 | 2 | 375 |
| NPS 12 ID=328.2 r=13 | 2500 | 441 | 760 | 184.2 | 619.1 | 254 | 12 | 73 | 2.3/4 | 540 |
| NPS 14 ID=360.2 r=13 | 150 | 400 | 535 | 35 | 476.3 | 79 | 12 | 28.6 | 1 | 135 |
| NPS 14 ID=360.2 r=13 | 300 | 425 | 585 | 54 | 514.4 | 111 | 20 | 31.8 | 1.1/8 | 180 |
| NPS 14 ID=360.2 r=13 | 600 | 432 | 605 | 69.9 | 527 | 127 | 20 | 38.1 | 1.3/8 | 235 |
| NPS 14 ID=360.2 r=13 | 900 | 451 | 640 | 85.8 | 558.8 | 156 | 20 | 41.3 | 1.1/2 | 275 |
| NPS 14 ID=360.2 r=13 | 1500 | 495 | 750 | 133.4 | 635 | 241 | 16 | 60.3 | 2.1/4 | 405 |
| NPS 14 ID=360.2 r=13 | 2500 | … | … | … | … | … | … | … | … | … |
| NPS 16 ID=411.2 r=13 | 150 | 457 | 595 | 36.6 | 539.8 | 87 | 16 | 28.6 | 1 | 135 |
| NPS 16 ID=411.2 r=13 | 300 | 485 | 650 | 57.2 | 571.5 | 121 | 20 | 34.9 | 1.1/4 | 190 |
| NPS 16 ID=411.2 r=13 | 600 | 495 | 685 | 76.2 | 603.2 | 140 | 20 | 41.3 | 1.1/2 | 255 |
| NPS 16 ID=411.2 r=13 | 900 | 508 | 705 | 88.9 | 616 | 165 | 20 | 44.5 | 1.5/8 | 285 |
| NPS 16 ID=411.2 r=13 | 1500 | 552 | 825 | 146.1 | 704.8 | 260 | 16 | 66.7 | 2.1/2 | 445 |
| NPS 16 ID=411.2 r=13 | 2500 | … | … | … | … | … | … | … | … | … |
| NPS 18 ID=462.3 r=13 | 150 | 505 | 635 | 39.7 | 577.9 | 97 | 16 | 31.8 | 1.1/8 | 145 |
| NPS 18 ID=462.3 r=13 | 300 | 533 | 710 | 60.4 | 628.6 | 130 | 24 | 34.9 | 1.1/4 | 195 |
| NPS 18 ID=462.3 r=13 | 600 | 545 | 745 | 82.6 | 654 | 152 | 20 | 44.5 | 1.5/8 | 275 |
| NPS 18 ID=462.3 r=13 | 900 | 565 | 785 | 101.6 | 685.8 | 190 | 20 | 50.8 | 1.7/8 | 325 |
| NPS 18 ID=462.3 r=13 | 1500 | 597 | 915 | 162 | 774.7 | 276 | 16 | 73 | 2.3/4 | 495 |
| NPS 18 ID=462.3 r=13 | 2500 | … | … | … | … | … | … | … | … | … |
| NPS 20 ID=514.3 r=13 | 150 | 560 | 700 | 42.9 | 635 | 103 | 20 | 31.8 | 1.1/8 | 160 |
| NPS 20 ID=514.3 r=13 | 300 | 587 | 775 | 63.5 | 685.8 | 140 | 24 | 34.9 | 1.1/4 | 205 |
| NPS 20 ID=514.3 r=13 | 600 | 610 | 815 | 88.9 | 723.9 | 165 | 24 | 44.5 | 1.5/8 | 285 |
| NPS 20 ID=514.3 r=13 | 900 | 622 | 855 | 108 | 749.3 | 210 | 20 | 54 | 2 | 350 |
| NPS 20 ID=514.3 r=13 | 1500 | 641 | 985 | 177.8 | 831.8 | 292 | 16 | 79.4 | 3 | 540 |
| NPS 20 ID=514.3 r=13 | 2500 | … | … | … | … | … | … | … | … | … |
| NPS 24 ID=615.9 r=13 | 150 | 663 | 815 | 47.7 | 749.3 | 111 | 20 | 34.9 | 1.1/4 | 170 |
| NPS 24 ID=615.9 r=13 | 300 | 702 | 915 | 69.9 | 812.8 | 152 | 24 | 41.3 | 1.1/2 | 230 |
| NPS 24 ID=615.9 r=13 | 600 | 718 | 940 | 101.6 | 838.2 | 184 | 24 | 50.8 | 1.7/8 | 330 |
| NPS 24 ID=615.9 r=13 | 900 | 750 | 1040 | 139.7 | 901.7 | 267 | 20 | 66.7 | 2.1/2 | 440 |
| NPS 24 ID=615.9 r=13 | 1500 | 762 | 1170 | 203.2 | 990.6 | 330 | 16 | 92.1 | 3.1/2 | 615 |
