ISO 3601-4:2008

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

Publication date: May 27, 2008

General information

Current stage: 90.93 Effective date: Sep 3, 2018

Originator: ISO

Owner: ISO/TC 131/SC 7

Type: International Standard

ICS: 23.100.60 83.140.50

Languages: English

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Status: Published

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Paper - EC$183.61

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Scope

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.

Life cycle

NOW

PUBLISHED
ISO 3601-4:2008
90.93 Standard confirmed
Sep 3, 2018

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