All dimensions are in "mm" unless noted otherwise.

Dimensions of Class 300 Raised Face Figure-8 Blanks as per ASME B16.48.

Figure-8 RF blinds

NPS Inside
Diameter - B
Outside
Diameter - O
Centerline
Dimension - A
Thickness - t Webwidth - W
1⁄2 16 51 65 6.4 38
3⁄4 21 64 80 6.4 38
1 27 70 90 6.4 38
11⁄4 42 79 100 6.4 38
11⁄2 48 92 115 6.4 38
2 61 108 125 9.7 51
21⁄2 73 127 150 9.7 51
3 89 146 170 9.7 64
31⁄2 102 162 185 12.7 64
4 114 178 200 12.7 64
5 141 213 235 15.7 76
6 168 248 270 15.7 76
8 219 305 330 22.4 76
10 273 359 385 25.4 102
12 324 419 450 28.4 102
14 356 483 515 31.8 108
16 406 536 570 38.1 108
18 457 594 630 41.1 114
20 508 651 685 44.5 121
24 610 772 810 50.8 140