Orifice Flange Dimensions

Raised Face Weld Neck Orifice Flanges class 300 Dimensions

Size in Inch Size in mm Outer Dia. Flange Thick. Hub OD Weld Neck OD Welding Neck Length RF Dia. RF Height PCD Orifice Hole dia RF Stud Length Weight in kg
A B C D E F G H I
2 50 165 36.6 84 60.3 84 92.1 2 127 6.4 125 7
2 1/2 65 190 36.6 100 73 87 104.8 2 149.2 6.4 135 7.5
3 80 210 36.6 117 88.9 87 127 2 168.3 9.5 135 9.4
4 100 255 36.6 146 114.3 90 157.2 2 200 12.7 135 13.2
10 250 445 46.1 321 273 116 323.8 2 387.3 12.7 165 41
12 300 520 49.3 375 323.8 129 381 2 450.8 12.7 180 62
14 350 585 52.4 425 355.6 141 412.8 2 514.4 12.7 185 84
16 400 650 55.6 483 406.4 144 469.9 2 571.5 12.7 195 111
1 25 125 36.6 54 33.4 81 50.8 2 88.9 6.4 125 4.5
1 1/2 40 155 36.6 70 48.3 84 73 2 114.3 6.4 135 6.5
20 500 775 62 587 508 160 584.2 2 685.8 12.7 215 171
24 600 915 68.3 702 610 167 692.2 2 812.8 12.7 240 247
6 150 320 36.6 206 168.3 98 215.9 2 269.9 12.7 135 14.6
8 200 380 39.7 260 219.1 110 269.9 2 330.2 12.7 145 30
18 450 710 58.8 533 457 157 533.4 2 628.6 12.7 205 138

Raised Face Weld Neck Orifice Flanges class 600 Dimensions

Size in Inch Size in mm Outer Dia. Flange Thick. Hub OD Weld Neck OD Welding Neck Length RF Dia. RF Height PCD Orifice Hole dia RF Stud Length Weight in kg
A B C D E F G H I
2 1/2 65 190 36.6 100 73 87 104.8 7 149.2 6.4 135 10.8
3 80 210 36.6 117 88.9 87 127 7 168.3 9.5 135 12.6
4 100 275 38.1 152 114.3 102 157.2 7 215.9 12.7 150 19
6 150 355 47.7 222 168.3 117 215.9 7 292.1 12.7 180 37
8 200 420 55.6 273 219.1 133 269.9 7 349.2 12.7 195 53
1 25 125 36.6 54 33.5 81 50.8 7 88.9 6.4 125 5.5
1 1/2 40 155 36.6 70 48.3 84 73 7 114.3 6.4 135 7.8
2 50 165 36.6 84 60.3 84 92.1 7 127 6.4 125 8.3
10 250 510 63.5 343 273 152 323.8 7 431.8 12.7 220 86
12 300 560 66.7 400 323.8 156 381 7 489 12.7 230 102
20 500 815 88.9 610 508 190 584.2 7 723.9 12.7 300 295
14 350 605 69.9 432 355.6 165 412.8 7 527 12.7 240 150
16 400 685 76.2 495 406.4 178 469.9 7 603.2 12.7 260 190
18 450 745 82.6 546 457.2 184 533.4 7 654 12.7 280 240
24 600 940 101.6 718 609.6 203 692.2 7 838.2 12.7 335 365

Raised Face Weld Neck Orifice Flanges class 900 Dimensions

Size in Inch Size in mm Outer Dia. Flange Thick. Hub OD Weld Neck OD Welding Neck Length RF Dia. RF Height PCD Orifice Hole dia RF Stud Length Weight in kg
A B C D E F G H I
1 25 150 38.1 52 33.5 83 50.8 7 101.6 6.4 150 5.4
1 1/2 40 180 38.1 70 48.3 89 73 7 123.8 6.4 160 7.8
4 100 290 44.5 159 114.3 114 157.2 7 235 12.7 180 22
6 150 380 55.6 235 168.3 140 215.9 7 317.5 12.7 195 70
8 200 470 63.5 298 219.1 162 269.9 7 393.7 12.7 230 119
2 50 215 38.1 105 60.3 102 92.1 7 165.1 6.4 150 11.5
2 1/2 65 245 41.3 124 73 105 104.8 7 190.5 6.4 165 15.8
3 80 240 38.1 127 88.9 102 127 7 190.5 9.5 150 22
10 250 545 69.9 368 273 184 323.8 7 469.9 12.7 240 204
12 300 610 79.4 419 323.8 200 381 7 533.4 12.7 260 303
20 500 855 108 622 508 248 584.2 7 749.3 12.7 355 932
14 350 640 85.8 451 355.6 213 412.8 7 558.8 12.7 280 400
16 400 705 88.9 508 406.4 216 469.9 7 616 12.7 290 510
18 450 785 101.9 565 457.2 229 533.4 7 685.8 12.7 330 738
24 600 1040 139.7 749 609.6 292 692.2 7 901.7 12.7 445 1511

Raised Face Weld Neck Orifice Flanges class 1500 Dimensions

Size in Inch Size in mm Outer Dia. Flange Thick. Hub OD Weld Neck OD Welding Neck Length RF Dia. RF Height PCD Orifice Hole dia RF Stud Length Weight in kg
A B C D E F G H I
1 25 150 38.1 52 33.5 83 50.8 7 101.6 6.4 150 5.4
2 1/2 65 245 41.3 124 73 105 104.8 7 190.5 6.4 165 15.8
3 80 265 47.7 133 88.9 117 127 7 203.2 9.5 185 22
4 100 310 54 162 114.3 124 157.2 7 241.3 12.7 205 22
6 150 395 82.6 229 168.3 171 215.9 7 317.5 12.7 265 70
1 1/2 40 180 38.1 70 48.3 89 73 7 123.8 6.4 160 7.8
2 50 215 38.1 105 60.3 102 92.1 7 165.1 6.4 150 11.5
8 200 485 92.1 292 219.1 213 269.9 7 393.7 12.7 300 119
18 450 915 162 597 457.2 327 533.4 7 774.7 12.7 500 738
20 500 985 177.8 641 508 356 584.2 7 831.8 12.7 545 932
10 250 585 108 368 273 254 323.8 7 482.6 12.7 345 204
12 300 675 123.9 451 323.8 283 381 7 571.5 12.7 380 303
14 350 750 133.4 495 355.6 298 412.8 7 635 12.7 415 400
16 400 825 146.1 552 406.4 311 469.9 7 704.8 12.7 450 510
24 600 1170 203.2 762 609.6 406 692.2 7 990.6 12.7 620 1511

Raised Face Weld Neck Orifice Flanges class 2500 Dimensions

Size in Inch Size in mm Outer Dia. Flange Thick. Hub OD Weld Neck OD Welding Neck Length RF Dia. RF Height PCD Orifice Hole dia RF Stud Length Weight in kg
A B C D E F G H I
1 25 160 38.1 57 33.5 92 50.8 7 108 6.4 150 6.5
4 100 355 76.2 165 114.3 190 157.2 7 273 12.7 260 66
6 150 485 108 235 168.3 273 215.9 7 368.3 12.7 350 172
8 200 550 127 305 219.1 318 269.9 7 438.2 12.7 385 261
10 250 675 165.1 375 273 419 323.8 7 539.8 12.7 490 485
1 1/2 40 205 44.5 79 48.3 111 73 7 146 6.4 180 13
2 50 235 50.8 95 60.3 127 92.1 7 171.4 6.4 185 19
2 1/2 65 265 57.2 114 73 143 104.8 7 196.8 6.4 205 24
3 80 305 66.7 133 88.9 168 127 7 228.6 9.5 230 43
12 300 760 184.2 441 323.8 464 381 7 619.1 12.7 540 730