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O-Rings (AS/BS Standard)

o-rings-as-bs-standard

An O-Ring, also known as a Packing, or a Toric Joint, is a mechanical gasket in the shape of a torus; it is a loop of elastomer with a round cross-section, designed to be seated in a groove and compressed during assembly between two or more parts, creating a sealat the interface.
The O-ring may be used in static applications or in dynamic applications where there is relative motion between the parts and the O-ring. Dynamic examples include rotating pump shafts and hydraulic cylinder pistons.
O-rings are one of the most common seals used in machine design because they are inexpensive, easy to make, and reliable and have simple mounting requirements

Off-the-shelf availability for standard O-rings:

  • NBR
  • HNBR
  • Viton
  • FKM
  • FFKM (Kalrez)
  • EPDM
  • Silicones
  • Aflas
  • PEEK
  • Neoprene
  • Polyurethane (thermoset plastic)
  • Elastomer
  • Nomex and Brass Compounding
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