NEN ISO 3601-4 : 2008
Current
The latest, up-to-date edition.
FLUID POWER SYSTEMS - O-RINGS - PART 4: ANTI-EXTRUSION RINGS (BACK-UP RINGS)
12-01-2013
Defines 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).
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