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BS ISO 3601-4

2008 Edition, July 31, 2008

Complete Document

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

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Product Details:

  • Revision: 2008 Edition, July 31, 2008
  • Published Date: July 31, 2008
  • Status: Active, Most Current
  • Document Language: English
  • Published By: British Standards Institution (BSI)
  • Page Count: 22
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

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

a) spiral type (T1);

b) angle cut type (T2);

c) solid type (T3);

d) angle cut concave type (T4);

e) 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.