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ISO 4930:2006

Road vehicles — Elastomeric seals for hydraulic disc brake cylinders using a non-petroleum base hydraulic brake fluid (Service temperature 150 degrees C max.)

Jul 7, 2006

General information

90.93     Dec 23, 2025

ISO

ISO/TC 22/SC 33

International Standard

43.040.40     83.140.50  

English  

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Scope

ISO 4930:2006 specifies the performance test methods and requirements for elastomeric seals used in road vehicle disc brake cylinders.
It is applicable to solid section type seals (square, rectangular, O-ring), mounted stationary in the cylinder bore or on the movable piston of disc brakes.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 4930:1978

NOW

PUBLISHED
ISO 4930:2006
90.93 Standard confirmed
Dec 23, 2025