ASME B16.48 Class 1500

A figure-8 blank (also called a Spectacle Blind Flange) is a pressure-retaining plate with one solid end and one open end connected with a web or tie bar.

NPSInside Diameter, BOutside Diameter, OCenterline Dimension, AThick-ness, tWeb Width, W Approximate Weight kgs
1/21661806.43870.99
3/42167909.74171.38
127761009.76471.81
1 1/435861109.76472.21
1 1/2419512512.77073.09
25314016512.77076.26
2 1/26316219015.77679.26
37817220519.176711.35
410220624022.489717.36
513525129028.489729.03
615427932035.189740.90
820334939541.1102770.14
1025543248050.81147124.85
1230351857060.51147206.38
1433357563566.51277276.18
1638163870576.21337375.96
1842970277585.91467498.87
2047875283095.31527614.35
24575899990111.317871003.13

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