ASME/ANSI B16.5 Class 900 LJ

ASME/ANSI B16.5 Class 900 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
3 240 38.1 127 54 91.4 10 190.5 25.4 8 11.13
4 290 44.5 159 70 116.8 11 235.0 31.8 8 18.96
5 350 50.8 190 79 144.4 11 279.4 34.9 8 31.45
6 380 55.6 235 86 171.4 13 317.5 31.8 12 40.16
8 470 63.5 298 114 222.2 13 393.7 38.1 12 72.66
10 545 69.9 368 127 277.4 13 469.9 38.1 16 105.50
12 610 79.4 419 143 328.2 13 533.4 38.1 20 141.92
14 640 85.8 451 156 360.2 13 558.8 41.3 20 162.02
16 705 88.9 508 165 411.2 13 616.0 44.5 20 199.98
18 785 101.6 565 190 462.3 13 685.8 50.8 20 277.51
20 855 108.0 622 210 514.4 13 749.3 54.0 20 348.93
24 1040 139.7 749 267 616.0 13 901.7 66.7 20 671.17

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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