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Mechanical seals

Mechanical seals Coating solution for mechanical seals

BALINIT DLC STAR decreases the friction and enhances the abrasive wear resistance of mechanical seal rings of drill bits.

Mechanical seals
Benefits:
  • Low friction reduces seal damage caused by start up and / or coast down conditions
  • Reduced danger of leakage thus protecting the entire system and the environment
  • Increased life and less maintenance
  • Significant reduction in downtime and costs
Solution Coating material Coating technology Coating hardness HIT [GPa] Coefficient of friction (dry) vs. steel Max. service temp. [°C] Process temperature [°C]
CrN / a-C:H PACVD ~15-25 0.1 - 0.2 300 < 250
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a-C:H PACVD ~15-25 0.1 - 0.2 300 < 250
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