Blister damages to carbon sealing surfaces

INDUSTRY

Chemical

APPLICATION

Refrigeration

EQUIPMENT

Cooling compressor

NEEDS & WANTS

Repeated blister damages to the Carbon sealing surfaces.

The shaft seal had to cope with full gas pressure applied without suffering from leakage.

Requesting for a shrink fitted seal combining best properties of Silicon Carbide and stainless steel.

SOLUTION

A shrink fitted design with a flatness not affected by applied pressure.

Verified initially through calculations and in the test lab.

CUSTOMER GAIN

A shaft seal solution meeting the extreme requirements from the application having a maintained flatness throughout all pressures.