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 FlangeDiameter of Raised FaceThickness of Flanges Min.Diameter of HubLength Through HubBoreDepth of SocketDiameter of Bolt CircleDiameter of Bolt HolesNumber of BoltsApproxi-mate Weight kgs
NPSORtfXYB1B2DWIn　
1/29034.99.6301422.215.81060.315.940.42
3/410042.911.2381427.720.91169.915.940.60
111050.812.7491634.526.61379.415.940.83
1 1/411563.514.3591943.235.11488.915.941.01
1 1/212573.015.9652149.540.91698.415.941.32
215092.117.5782461.952.517120.719.142.07
2 1/2180104.820.7902774.662.719139.719.143.51
3190127.022.31082990.777.921152.419.144.01

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