ASME/ANSI B16.5 Class 600 TH

Nominal Pipe Size  Outside Diameter of Flange Diameter of Raised Face Thickness of Flanges Min. Diameter of Hub Length Through Hub Thread Length Threaded Min. Bore Counter-bore Threaded Flange, Min. Diameter of Bolt Circle Diameter of Bolt Holes Number of Bolts Approxi-mate Weight kgs
NPS O R tf X Y T B Q W I n  
1/2 95 34.9 14.3 38 22 16 22.2 23.6 66.7 15.9 4 0.74
3/4 115 42.9 15.9 48 25 16 27.7 29.0 82.6 19.1 4 1.21
1 125 50.8 17.5 54 27 18 34.5 35.8 88.9 19.1 4 1.56
1 1/4 135 63.5 20.7 64 29 21 43.2 44.4 98.4 19.1 4 2.11
1 1/2 155 73.0 22.3 70 32 23 49.5 50.6 114.3 22.2 4 2.97
2 165 92.1 25.4 84 37 29 61.9 63.5 127.0 19.1 8 3.64
2 1/2 190 104.8 28.6 100 41 32 74.6 76.2 149.2 22.2 8 5.26
3 210 127.0 31.8 117 46 35 90.7 92.2 168.3 22.2 8 7.08
3 1/2 230 139.7 35.0 133 49 40 103.4 104.9 184.2 25.4 8 8.99
4 275 157.2 38.1 152 54 42 116.1 117.6 215.9 25.4 8 14.83
5 330 185.7 44.5 189 60 48 143.8 144.4 266.7 28.6 8 24.46
6 355 215.9 47.7 222 67 51 170.7 171.4 292.1 28.6 12 28.78
8 420 269.9 55.6 273 76 58 221.5 222.2 349.2 31.8 12 43.77
10 510 323.8 63.5 343 86 66 276.2 276.2 431.8 34.9 16 71.35
12 560 381.0 66.7 400 92 70 327.0 328.6 489.0 34.9 20 84.95
14 605 412.8 69.9 432 94 74 359.2 360.4 527.0 38.1 20 100.05
16 685 469.9 76.2 495 106 78 410.5 411.2 603.2 41.3 20 141.69
18 745 533.4 82.6 546 117 80 461.8 462.0 654.0 44.5 20 175.13
20 815 584.2 88.9 610 127 83 513.1 512.8 723.9 44.5 24 222.87
24 940 692.2 101.6 718 140 93 616.0 614.4 838.2 50.8 24 313.75

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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