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ISO 3601-4:2008

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

General information

Valid from 27.05.2008
Directives or regulations
None

Standard history

Status
Date
Type
Name
27.05.2008
Main
ISO 3601-4:2008 specifies dimensions and tolerances for five types of anti-extrusion rings, which are also known as back-up rings:

spiral type (T1);
angle cut type (T2);
solid type (T3);
angle cut concave type (T4);
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.

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