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  • Medium to high load
  • Medium leak tightness
  • Low spring back
  • Not available in shaped seal



The tightness with a Commaseal ® (COI) is more than with any other metal seal a function of the shaft condition. The surface finish of the shaft shall be mirror polished and the hardness shall be high enough so that the sliding motion of seal versus shaft does not deteriorate either of them.

In addition we advise to silver plate Commaseal ® for better tightness, reduced friction and wear.

Dimensions and Data

Load values comparable to CS-seals

Materials and Codes

Other materials on request