ISO 3601-4
Fluid power systems — O-rings — Part 4: Anti-extrusion rings (back-up rings)
| Organization: | ISO |
| Publication Date: | 1 June 2008 |
| Status: | active |
| Page Count: | 18 |
| ICS Code (Seals): | 83.140.50 |
| ICS Code (Filters, seals and contamination of fluids): | 23.100.60 |
scope:
This part of ISO 3601 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.
Document History