ISO 4930:1978
Withdrawn
View Superseded by
Road vehicles — Elastomeric seals for hydraulic disc brake cylinders using a non-petroleum base hydraulic brake fluid (Service temperature 150 degrees C max.)
Hardcopy , PDF
English, French
08-01-1978
11-02-2025
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.
| Committee |
ISO/TC 22
|
| DocumentType |
Standard
|
| Pages |
6
|
| PublisherName |
International Organization for Standardization
|
| Status |
Withdrawn
|
| SupersededBy |
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