The tapered hub allows a smooth distribution of the mechanical stress between the pipe and the weld neck flange and facilitates the execution of radiographic inspections to detect possible leakages and welding defects.
The dimension of the flange (NPS and the pipe schedule) shall match the dimension of the connecting pipe.
A welding neck flange is connected to a pipe by a single full penetration V-shaped butt weld. The dimension and weights of ASME weld neck flanges are shown in this article.
Our most frequently requested flange, the Weld Neck Flange features a neck extension and weld bevel. Provides a natural form connection ideal for larger, high pressure applications.
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