Type 5840 Slurry Seals | John Crane Mechanical Seals
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Type 5840

Cost-effective Cartridge Slurry Seal

Our Type 5840 single-cartridge seal encompasses many of the advantages associated with heavy-duty seal design, encased in a cost-effective package. Designed for the volume requirements associated with general mining processing duties, it contains robust primary and secondary seal face materials, making it the perfect general-purpose seal for slurry applications.

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  • California Residents: PROPOSITION 65 WARNING
  • Non-clogging, elastomer-encased cone spring applies constant spring load, eliminating dynamic O-rings.
  • Hydraulically balanced design with no sliding O-rings to cause hang-up.
  • Operates without flush, removing the need for circulation plans.
  • Operates with or without water quench.
  • Cartridge configuration allows for ease of installation.
  • Standard materials specified to meet the requirements of many duties; alternatives available where required.
  • Fully interchangeable with many designs already installed in the field.


Limites de température

167 °F à 248 °F/75°C à 120 °C avec balayage à l’eau

Limites de pression

300 psi(g)/21 bar(g)

Limites de vitesse

50 pi/s/15 m/s

Matériaux standard

Composants métalliques en contact avec le fluide : Duplex, acier inoxydable

Autres composants métalliques : Acier inoxydable 302, acier inoxydable 316

Bague d’étanchéité : Carbure de silicium

Élastomères : Tétrafluoroéthylène/propylène, copolymère (TFE/P)

Applications recommandées

  • Pompes de traitement
  • Autres équipements rotatifs

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