Road vehicles — Elastomeric seals for hydraulic disc brake cylinders using a non-petroleum base hydraulic brake fluid (Service temperature 150 degrees C max.)
Specifies the performance test methods and requirements for seals used in disc brake cylinders. Applies to solid section type seals (square, rectangular, 'O'-ring) mounted stationary in the cylinder bore or on the movable piston of disc brakes. Describes the apparatus, preparation of specimens, and test procedures; lists test requirements.
Life cycle
NOW
WITHDRAWN ISO 4930:1978 95.99
Withdrawal of Standard 7 korr 2006
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English