ASME B16.48 Class 600

NPS Inside Diameter, B 外Diameter, O Centerline Dimension, A Thick-ness, t Web Width, W Approximate Weight kgs
1/2 16 51 65 6.4 38 7 0.67
3/4 21 64 80 6.4 38 7 1.04
1 27 70 90 6.4 57 7 1.28
1 1/4 37 79 100 9.7 57 7 1.78
1 1/2 43 92 115 9.7 67 7 2.42
2 55 108 125 9.7 57 7 3.07
2 1/2 67 127 150 12.7 67 7 4.79
3 83 146 170 12.7 67 7 6.13
3 1/2 96 159 185 15.7 76 7 7.89
4 108 191 215 15.7 76 7 11.50
5 135 238 265 19.1 86 7 19.80
6 162 264 290 22.4 86 7 25.77
8 212 318 350 28.4 95 7 41.75
10 265 397 430 35.1 105 7 74.93
12 315 454 490 41.1 105 7 107.25
14 346 489 525 44.5 114 7 130.32
16 397 562 605 50.8 124 7 190.96
18 448 610 655 53.8 133 7 229.02
20 497 679 725 63.5 133 7 324.54
24 597 787 840 73.2 152 7 477.35
Standards, Dimensions & Weight
Special bland flange
Figure 8 blanks
Spectacle Blind Flange
Spectacle Blind Flange
Screwed Flanges
Weldoflange, Nipoflange
Anchor flange
Orifice Weld Neck Flanges
Orifice Flanges
Long Weld Neck Flange
Reducing Flange
Expander Flange
Expander Flange
Anchor flange
Weldoflange / Nipoflange
Large Diameter Flanges
Large Diameter Flanges
NW Long Weld Neck Flanges
NW Long Weld Neck Flanges

Flanges specification, Standard and identification

Below you will find a short description and definition of each type, completed with an detailed image.