ASME B16.48 Class 1500

NPS Inside Diameter, B 外Diameter, O Centerline Dimension, A Thick-ness, t Web Width, W Approximate Weight kgs
1/2 16 61 80 6.4 38 7 0.99
3/4 21 67 90 9.7 41 7 1.38
1 27 76 100 9.7 64 7 1.81
1 1/4 35 86 110 9.7 64 7 2.21
1 1/2 41 95 125 12.7 70 7 3.09
2 53 140 165 12.7 70 7 6.26
2 1/2 63 162 190 15.7 76 7 9.26
3 78 172 205 19.1 76 7 11.35
4 102 206 240 22.4 89 7 17.36
5 135 251 290 28.4 89 7 29.03
6 154 279 320 35.1 89 7 40.90
8 203 349 395 41.1 102 7 70.14
10 255 432 480 50.8 114 7 124.85
12 303 518 570 60.5 114 7 206.38
14 333 575 635 66.5 127 7 276.18
16 381 638 705 76.2 133 7 375.96
18 429 702 775 85.9 146 7 498.87
20 478 752 830 95.3 152 7 614.35
24 575 899 990 111.3 178 7 1003.13
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.