AF-423 & AF-523

Dynamic Rotary Seal Double Acting:

The seal AF-423 and AF-523 have been specially designed for the sealing of swivel or rotary transmissions.
This double acting sealing system is used in cases of external sealing. It has a particularly versatile range of materials to serve respective applications.

Applications Examples:
  • Rotary applications
  • Transmission axle systems
  • Trucks and trailers
  • Sports cars
  • Swivel systems
  • Round table
  • Small groove dimensions
  • For use at high-pressure and low speeds
  • No vulcanizing to mating surfaces

  • Low friction and low stick-slip, (minimum static and dynamic friction)
  • Long life
  • Groove to ISO 7425/1
  • Low resistance of temperature
  • Small assembly dimensions
  • Compatible with all types of hydraulics and many more
  • Can be made up to 1200 mm

Limitations on Use  
Operating pressure Up to 40 MPa (400 bar)
Velocity reciprocating to 15 m/s
Temperature -40 to +200 °C (depending on O-ring material)




Serie number 

AF-423 & AF-523