Design O-rings are a simple but very versatile seal. They are most commonly used for static applications, and for pressures over 1500 p.s.i are used with back up rings.

O-rings with sizes to AS-568A are available in NBR 70 and 90 Shore A compounds and in FKM 75 Shore A.

O-rings in NBR and FKM are suitable for use in mineral oil, water and air, FKM O-rings are also suitable for use in most aggressive fluids and in temperatures of up to 200°C/390°F.

PLEASE NOTE: To view our O-ring range including part numbers and technical data, please download the supplied datasheet by clicking here.

For further information about our O-ring products, please contact your local Hallite sales office.

  • Unit of measurement:
Unit of measurement:

Temp range

  • Recomended
  • Possible
  • Not Suitable

* For fluid types marked as possible, please call our team of experts on (02) 9620 7300 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 Possible Recommended
Waterbased fluids    
HFA (5/95) Not suitable Possible
HFB (60/40 invert emulsion) Not suitable Possible
HFC (water glycol) Not suitable Possible
Water Not suitable Possible
Other fluid types    
Air/Nitrogen Possible Recommended
HFD (Phosphate ester ARYL Type) Not suitable Not suitable
Synthetic esters (HEES, HFDU) Not suitable Recommended