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What are the properties of flat gaskets?

- Sep 04, 2018 -

1. Air tightness: For the medium of the sealing system, the gasket does not leak during the recommended temperature and pressure for a certain period of time.

2. Compressibility: The contact surface of the gasket and the flange should be well matched after the fastening bolts are tightened to ensure the seal.

3. Creep resistance: Under the influence of pressure load and service temperature, the creep resistance should be better, otherwise the bolt torque loss will be lost, resulting in the surface stress of the gasket being reduced, and the hard gas system leaking. The gaskets selected for chemical corrosion shall be free from chemical media and shall not contaminate the media.

4. Resilience: Even under the condition of stable system, the two flanges connected will definitely have slight displacement due to the influence of temperature and pressure. The elastic function of the gasket should compensate for this displacement to ensure the sealing of the system.


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