ASME/ANSI B16.5 Class 1500 LJ

Nominal Pipe Size  Outside Diameter of Flange Thickness of Lap Joint Min. Diameter of Hub Length Through Hub Bore Corner Radius of Bore of Lapped Flange Diameter of Bolt Circle Diameter of Bolt Holes Number of Bolts Approxi-mate Weight kgs
NPS O tf X Y B r W I n  
1/2 120 22.3 38 32 22.9 3 82.6 22.2 4 1.69
3/4 130 25.4 44 35 28.2 3 88.9 22.2 4 2.28
1 150 28.6 52 41 34.9 3 101.6 25.4 4 3.41
1 1/4 160 28.6 64 41 43.7 5 111.1 25.4 4 3.89
1 1/2 180 31.8 70 44 50.0 6 123.8 28.6 4 5.41
2 215 38.1 105 57 62.5 8 165.1 25.4 8 9.57
2 1/2 245 41.3 124 64 75.4 8 190.5 28.6 8 13.54
3 265 47.7 133 73 91.4 10 203.2 31.8 8 17.29
4 310 54.0 162 90 116.8 11 241.3 34.9 8 27.02
5 375 73.1 197 105 144.4 11 292.1 41.3 8 51.41
6 395 82.6 229 119 171.4 13 317.5 38.1 12 60.85
8 485 92.1 292 143 222.2 13 393.7 44.5 12 103.41
10 585 108.0 368 178 277.4 13 482.6 50.8 12 181.39
12 675 123.9 451 219 328.2 13 571.5 54.0 16 286.48
14 750 133.4 495 241 360.2 13 635.0 60.3 16 384.80
16 825 146.1 552 260 411.2 13 704.8 66.7 16 492.31
18 915 162.0 597 276 462.3 13 774.7 73.0 16 638.30
20 985 177.8 641 292 514.4 13 831.8 79.4 16 766.56
24 1170 203.2 762 330 616.0 13 990.6 92.1 16 1227.85

Basic requirements for Material and Fitting

Requirements are valid for normal case, in special case you have to contact the technical department.

Slip-On Flanges, SO Flange
Common flange types
Anchor flange
Specialty flange
150LB Carbon steel forged flange
Material Grades
Custom pipe flanges can be manufactured from a wide variety of material grades.



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