ASME/ANSI B16.5 Class 300 SW

Nominal Pipe Size  Outside Diameter of Flange Diameter of Raised Face Thickness of Flanges Min. Diameter of Hub Length Through Hub Bore Depth of Socket Diameter of Bolt Circle Diameter of Bolt Holes Number of Bolts Approxi-mate Weight kgs
NPS O R tf X Y B1 B2 D W I n  
1/2 95 34.9 12.7 38 21 22.2 15.8 10 66.7 15.9 4 0.67
3/4 115 42.9 14.3 48 24 27.7 20.9 11 82.6 19.1 4 1.11
1 125 50.8 15.9 54 25 34.5 26.6 13 88.9 19.1 4 1.43
1 1/4 135 63.5 17.5 64 25 43.2 35.1 14 98.4 19.1 4 1.79
1 1/2 155 73.0 19.1 70 29 49.5 40.9 16 114.3 22.2 4 2.57
2 165 92.1 20.7 84 32 61.9 52.5 17 127.0 19.1 8 3.01
2 1/2 190 104.8 23.9 100 37 74.6 62.7 19 149.2 22.2 8 4.55
3 210 127.0 27.0 117 41 90.7 77.9 21 168.3 22.2 8 6.18

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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