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ANSI / ASME CLASS 300 SPECTACLE BLIND DIMENSIONS

Class 300 Spectacle Blind Flanges | #300 Sch 40 Spectacle Blind Flange | B16.5 #300 Spectacle Blind Flange | Spectacle Blind Raised Face Class 300 | ANSI 300 Spectacle Blind Flange | ASME 300 Spectacle Blind Flange | #300 Spectacle Blind Dimensions | 300 Spectacle Blind flange schedule chart | Stainless Steel Class 300 Spectacle Blind Flange

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spectacle blind dimensions

Class 300 Spectacle Blind Dimensions as per ASME B16.48

NPS Outside Ø
A		 Inside Ø
B		 Centerline
C		 Thickness
t		 Web Width
W
1/2 51 16 65 6.4 38
3/4 64 21 80 6.4 38
1 70 27 90 6.4 38
1¼ 79 42 100 6.4 38
1½ 92 48 115 6.4 38
2 108 61 125 9.7 51
2½ 127 73 150 9.7 51
3 146 89 170 9.7 64
3½ 162 102 185 12.7 64
4 178 114 200 12.7 64
5 213 141 235 15.7 76
6 248 168 270 15.7 76
8 305 219 330 22.4 76
10 359 273 385 25.4 102
12 419 324 450 28.4 102
14 483 356 515 31.8 108
16 536 406 570 38.1 108
18 594 457 630 41.1 114
20 651 508 685 44.5 121
24 772 610 810 50.8 140
NPS Outside Ø
A		 Inside Ø
B		 Centerline
C		 Thickness
t		 Web Width
W