ISO 3601-4:2008 Preview

Fluid power systems -- O-rings -- Part 4: Anti-extrusion rings (back-up rings)

ISO 3601-4:2008 specifies dimensions and tolerances for five types of anti-extrusion rings, which are also known as back-up rings:

  1. spiral type (T1);
  2. angle cut type (T2);
  3. solid type (T3);
  4. angle cut concave type (T4);
  5. solid concave type (T5).

These anti-extrusion rings are for use with selected O-ring sizes as specified in ISO 3601-1 and the relevant housing dimensions specified in ISO 3601-2.


General information

  • Current status : Published
    Publication date : 2008-06
  • Edition : 1
    Number of pages : 11
  • :
    ISO/TC 131/SC 7
    Sealing devices
  • 83.140.50
    Seals
    23.100.60
    Filters, seals and contamination of fluids

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