All dimensions are in "mm" unless noted otherwise.

Dimensions of Class 1500 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 61 80 6.4 38
3⁄4 21 67 90 9.7 41
1 27 76 100 9.7 64
11⁄4 35 86 110 9.7 64
11⁄2 41 95 125 12.7 70
2 53 140 165 12.7 70
21⁄2 63 162 190 15.7 76
3 78 172 205 19.1 76
4 102 206 240 22.4 89
5 128 251 290 28.4 89
6 154 279 320 35.1 89
8 203 349 395 41.1 102
10 255 432 480 50.8 114
12 303 518 570 60.5 114
14 333 575 635 66.5 127
16 381 638 705 76.2 133
18 429 702 775 85.9 146
20 478 752 830 95.3 152
24 575 899 990 111.3 178