Type 71U

EagleBurgmann type M7N series Replacement

Wave Spring, O-ring pusher mechanical seal Type 71U is a robust and highly interchangeable seals. Used in the different media conditions due to extend material options. It is ideal for use in paper industry, textile printing, chemical petroleum, shipbuilding and sewage treatment industry.

Features
  Wave Spring, O-ring pusher construction
 Transmission by Pin and groove,independent of direction of rotation .
  Solid seal faces material are easily interchangeable. Good heat dissipation
  Low risk of clogging in solids content or viscous liquids
  Can meet two standard dimensions when change in stationary seat
Recommended Applications
  Paper and textile printing industry, petrochemical industry and sewage treatment industry
  Low solids content or viscous media
  Sewage pumps, chemical pumps, screw pumps, Gear wheel feed pumps and multistage pumps 
  Other Rotating Equipment.
Operating range

Shaft diameter: d1=16…100mm
Pressure: p=0…1.6Mpa(232psi)
Temperature: t = -20 °C …200 °C(-4°F to 392°F)
Sliding velocity: Vg≤20m/s(65.6ft/m)

 

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

Detailed parameters

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