Type 8-1 / 8B1 / 8-1T / 8B1T | O-ring Pusher Seals | John Crane Mechanical Seals

Type 8-1 / 8B1 / 8-1T / 8B1T​

A Rugged General Purpose, Multi-spring, O-ring Pusher Seal​

High-pressure Elastomer O-ring Seal

This range of mechanical seals are available in a wide variety of materials for handling practically every industrial fluid. The Type 8B1 and Type 8B1T seals are balanced construction for higher pressures and the Type 8-1T / Type 8B1T have a narrow cross section for smaller stuffing boxes.

These are component seals that can be shaft mounted or built into a cartridge.

Fully compliant with NSF-61 standards for clean drinking water services.

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Caractéristiques

  • California Residents: PROPOSITION 65 WARNING
  • Positive set screw mechanical drive design​
  • Lapped Faces – lapping process results in high performance precision finish for optimal sealing performance​
  • Compact designs permit use in all types of rotating equipment – centrifugal pumps, mixer and agitators​
  • Balanced Designs – available in inherently balanced and balanced construction permitting use in both low and high​ pressure applications
  • O-Ring Design – compatibility with many different fluids through use of wide variety of materials
  • Cross-section options – Available in both full cross-section and narrow cross section to accommodate a variety of seal chamber dimensions.
  • Diamond face technology for industrial applications – Adding John Crane Diamond® to mechanical seal faces helps overcome short seal life and equipment breakdowns caused by harsh operating conditions.​

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