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Type 502

Unitized Elastomer Bellows Seal

The Type 502 mechanical seal is one of the best-performing elastomeric bellows seals available. It is suitable for general service and provides excellent performance in a wide range of hot water and mild chemical duties. It is specifically designed for confined spaces and limited glands lengths.

Document Finder


  • California Residents: PROPOSITION 65 WARNING
  • Full convolution elastomeric bellows seal designed to fit into confined spaces including DIN24960.
  • Unitized for ease of installation and tolerant of shaft play and run-out.
  • Bi-directional and robust drive to the seal face eliminates stresses on the bellows.
  • Available in metric sizes from 14mm to 100mm.


Temperature Limits

-40°F to 400°F/40°C to 205°C (depending on materials used)

Pressure Limits

580 psi(g)/40 bar(g)

Speed Limits

Up to 2500fpm/13m/s, depending on configuration and shaft size

Recommended Applications

  • Process pumps
  • Other rotating equipment

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