Type 8U

John Crane Type8-1 Replacement

Mutil-Spring,O-ring pusher seal type 8U is the Rugged mechanical seals. Used in the different media conditions due to extend material options. It is widely used in the general industrial applications.

Features
  Mutil-Spring, Unbalanced, O-ring pusher.
  Rotary seat with a snap ring holds all parts together in a unitised design which eases installation and removal
  Torque transmission by set screws
  Conform with  EN12756 standard
Recommended Applications
  Chemical industry
  Industry pumps 

  Process Pumps

  Oil refining and petrochemical industry 

  Other Rotating Equipment

Operating range

Shaft diameter: d1=18…100mm(0.750” …4.000”)

Pressure:  p=0…2.0Mpa(290psi)
Temperature: t = -40 °C …200 °C(-40°F to 392°F)
Sliding velocity: Vg≤25m/s(82ft/m)

 

Notes: The range of preesure,temperature and sliding velocity is depend on seals combination materials

Detailed parameters

de_DEDE

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