Ceramic Seals (Split-Rings)

2014112819342298939Application:

Special mechanical seals with huge segmented rings; either two-split rings or a large number of segments

Materials:

SSiC, SiSiC, Al2O3

Advantages:

segments enable assembly repair without removal of the spindle
high chemical corrosion resistance
high temperature resistance
high thermal conductivity i.e. rapid dissipation of process heat
low density, i.e. small mass moment of inertia
high wear resistance due to high strength and hardness
good tribological properties

Sintered silicon carbide is the most common material for mechanical seals, due to its excellent chemical resistance and thermal conductivity. Segments form a huge ring with the which fit separately into the mechanical seal. The material SiSiC can be machined by wire-erosion.

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