Film Thickness

FILM THICKNESSĀ F010

To maintain separation between lapped mechanical seal faces you need a fluid film thickness of one micron (0.000039 inches) or more.

Seal faces are lapped to a tolerance of a little less than one micron of flatness. A film thickness of one micron or more will keep them separated.

Any less than this and you will experience some face wear.

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  • On February 15, 2018