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Compression Calculator

Check compression rate for static and dynamic seal designs

Inputs

Results

Enter cross section and groove depth to see results.

Reference Table

ApplicationCompression
Static seal15% – 25%
Dynamic seal10% – 20%

Groove Design Recommendations

  • Groove width = 1.1 to 1.3 × O-ring cross section
  • Static seal surface finish: 16 – 32 μin Ra
  • Dynamic seal surface finish: 8 – 16 μin Ra
  • Maximum stretch during installation: ≤ 6%
  • Lead-in chamfers: 15° – 20° to prevent cutting