ASME/ANSI B16.5 Class 300 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　
1/29534.912.7382122.215.81066.715.940.67
3/411542.914.3482427.720.91182.619.141.11
112550.815.9542534.526.61388.919.141.43
1 1/413563.517.5642543.235.11498.419.141.79
1 1/215573.019.1702949.540.916114.322.242.57
216592.120.7843261.952.517127.019.183.01
2 1/2190104.823.91003774.662.719149.222.284.55
3210127.027.01174190.777.921168.322.286.18

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A figure-8 blank

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