Expert Mechanical Seal Repair | Waterjet Cut | Precision Gasket Cutting

NES 5 Elastomer Bellow Mechanical Seal

Equivalent to John Crane* Type 502

NES 5 Mechanical Seal

Operating Conditions

  • Pressure: 20 kg/cm2
  • Temperature: -20°C ~ 180°C
  • Speed: Up to 15 m/s


  • Face: Carbon, SiC, SSiC, TC
  • Seat: Ceramic, SiC, SSiC, TC
  • Elastomer: NBR, EPDM, Viton
  • Metal: 304SS, 316SS

Cross Specification Charts

Additional Notes

  • Suitable for a wide range of service conditions: hot water and mild chemical duties.
  • Compact working height that enables it to fit very short stuffing boxes.
* The John Crane and Flexibox trademarks are trademarks of their respective owners, and neither entity is affiliated with NE Seal Ind. Prod. LTD, its products, or its website, and does not manufacture, sponsor, or endorse its products.

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