All dimensions are in "mm" unless noted otherwise.

Dimensions of Class 2500 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 67 90 9.7 38
3⁄4 21 73 95 9.7 41
1 27 83 110 9.7 64
11⁄4 35 102 130 12.7 64
11⁄2 41 114 145 15.7 70
2 53 143 170 15.7 70
21⁄2 63 165 195 19.1 76
3 78 194 230 22.4 76
4 102 232 275 28.4 89
5 128 276 325 35.1 89
6 154 314 370 41.1 89
8 198 384 440 53.8 102
10 248 473 540 66.5 114
12 289 546 620 79.2 114