ASME/ANSI B16.5 Class 150 SW
Pipe flange is a method of connecting pipes, valves, pumps and other equipment to form a piping system. It also provides easy access for cleaning, inspection or modification. The socket welding flange is similar to a slip-on flange except it has a bore and a counterbore dimension. 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 90 34.9 9.6 30 14 22.2 15.8 10 60.3 15.9 4 0.42 3/4 100 42.9 11.2 38 14 27.7 20.9 11 69.9 15.9 4 0.60 1 110 50.8 12.7 49 16 34.5 26.6 13 79.4 15.9 4 0.83 1 1/4 115 63.5 14.3 59 19 43.2 35.1 14 88.9 15.9 4 1.01 1 1/2 125 73.0 15.9 65 21 49.5 40.9 16 98.4 15.9 4 1.32 2 150 92.1 17.5 78 24 61.9 52.5 17 120.7 19.1 4 2.07 2 1/2 180 104.8 20.7 90 27 74.6 62.7 19 139.7 19.1 4 3.51 3 190 127.0 22.3 108 29 90.7 77.9 21 152.4 19.1...