Characteristics of high-pressure flanges

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Author : admin
Update time : 2023-04-19 09:19:49

  1. Sealing method: The core of high-pressure self tightening flanges is a unique new type of metal to metal sealing, which relies on the elastic deformation of the sealing lip (T-arm) of the sealing ring to form a seal, belonging to hard sealing; By utilizing the combination of joints, ferrules, and sealing rings, a powerful rigid body is formed, making the strength of the connecting parts much greater than the strength of the pipeline base material itself. When under pressure, the ribs and lips play a strength and sealing role respectively, which can not only self tighten and seal, but also strengthen the pipeline, greatly enhancing the overall strength of the connecting parts

  2. Tensile strength: In most cases, the high-pressure self tightening flange in the connection can withstand tensile loads better than the pipeline itself; Destructive testing has proven that after the pipeline fails under tensile load, the flange remains intact and leak free.

  3. Bending resistance: A large number of tests have shown that this flange will not leak or loosen when subjected to large bending loads. Actual testing: DN15 specification high-pressure self tightening flange is welded on the pipeline and subjected to multiple cold bends. The high-pressure self tightening flange connection does not leak, and the bolts are not loose.

  4. Compression resistance: In normal pipeline applications, high-pressure self tightening flanges will not withstand overload compression; When a high compressive load occurs, the maximum load on the high-pressure self tightening flange is determined by the ultimate strength of the pipeline.

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