Industry Knowledge

Analysis of O-Ring damage

EXTRUSION

■Description

Broken edges appear in the inner diameter under low pressure on the surface of the seal.

■Contributing factors

  • Excessive compression

  • The seal of poor quality or low hardness

  • The seal is larger than the groove

  • The groove is irregular or sharp

  • There is gap on the surface of seal

■Recommended improving method

  • Adopt the seal of good quality or higher hardness

  • Proper design of the groove

  • No cheating on workmanship and materials during processing of the seal

  • Carefully select the seal, and never buy products that are too cheap

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