Gaskets for
Fluid Catalytic
Cracking Units (FCCU)
and Hydrocracking

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Gaskets for Fluid Catalytic Cracking Units (FCCU) and Hydrocracking

The increase in fuel standards, operational efficiency and stress on green resources is expected to contribute to the increase in fluid catalytic cracking requirements. This demand to increase yield requires an increase in temperature putting pressure on the performance of any sealing materials and potentially compromising safety.
Download the technical paper to find out more.

  • Temperature

    Operating temperatures over 500°C (932°F), place sealing materials under significant strain and often leads to gasket failure.

  • Thermal cycling

    Often caused by routine shutdowns, rapid temperature changes cause repeated expansion and contraction, putting unmanageable stress on gasketed joints

  • Degradation

    Gaskets contain a series of bonds holding the structure of the material together. The bonds lose their adhesion as the temperature reaches the material limits, resulting in gasket failure.

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Choosing the right sealing solution for fluid catalytic cracking units

The operational challenges of producing gasoline through FCCU calls for a focused approach to gasket selection. In this technical paper we describe the sealing challenges caused by the increase in temperatures highlighting the ‘hotspots’ where traditional sealing solutions are known to cause joint failure.

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