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NES 9U Mechanical Seal

Equivalent to Burgmann M7N
NES 9U Mechanical Seal

Operating Conditions

  • Pressure: 16 kg/cm2
  • Temperature: -20°C ~ -200°C
  • Speed: Up to 20 m/s


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

Additional Notes

  • A simple, reliable single spring 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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