Expert Mechanical Seal Repair | Waterjet Cut | Precision Gasket Cutting

NES 3B Pusher Type Mechanical Pump Seal

Equivalent to Burgmann H12N

NES 3b Mechanical Pump Seal

Operating Conditions

  • Pressure: 25 kg/cm2
  • Temperature: -20°C ~ 200°C
  • Speed: Up to 15 m/s


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

Additional Notes

  • A simple, reliable single spring balanced seal. Widely used in water pumps, sewage pumps, submerged pumps and chemical pumps.
* 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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