Characteristics and performance

The Hallite 455 double acting piston seal design, with a filled PTFE face ring, provides the designer with a compact, low friction seal for light to medium duty hydraulic cylinders. It has been superseded as a product group.

Product details

Equivalent parts can be found in the new PFR product datasheet from the Armorlene® PTFE product catalogue

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Max pressure *

350 Bar

Temp range

-30°C
100°C

Max speed

4m/sec

* Max pressure stated is dependant on the material variant selected. Please consult the datasheet for further information.

Key:
  • Recomended
  • Possible
  • Not suitable

* For fluid types marked as possible, please call our team of experts on +44 208 941 2244 to talk through your requirements and determine if this seal is the most suitable for your needs.

  Dynamic application Static application
Fluids based on mineral oil    
Any Recommended Possible
Waterbased fluids    
HFA (5/95) Possible Possible
HFB (60/40 invert emulsion) Possible Possible
HFC (water glycol) Possible Possible
Water Possible Possible
Other fluid types    
Air/Nitrogen Possible Not suitable
HFD (Phosphate ester ARYL Type) Not suitable Not suitable
Synthetic esters (HEES, HFDU) Recommended Possible