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Solutions for Abrasion

Failure Pattern
Occurring primarily in dynamic seals involving reciprocating, oscillating, or rotary motion, abrasion can be identified by a flattened surface on one side of the O-ring's cross section.

Problem Sources
  • Metal surfaces too rough (acting as an abrasive)
  • Metal surfaces too smooth causing inadequate lubrication
  • Poor lubrication
  • Excessive temperatures
  • System contaminated with abrasives

Suggested Solutions
  • Use recommended metal finishes
  • Provide adequate lubrication (consider internally-lubed O-rings)
  • Check material compatibility with system temperature
  • Eliminate abrasive contamination with filters and/or wiper seals
  • Consider changing to a more abrasive resistant O-ring material such as carboxilated nitrile or urethane (see Material Selection Guide in the Seal Design Guide)

O-RING RULE OF THUMB #4

Static applications are more tolerant of material and design limitations than dynamic applications. » Learn More

 
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1.800.828.7745 (US and Canada Only)