ISO 4930:1978 PDF
Road vehicles — Elastomeric seals for hydraulic disc brake cylinders using a non-petroleum base hydraulic brake fluid (Service temperature 150 degrees C max.)
Open preview (PDF)Road vehicles — Elastomeric seals for hydraulic disc brake cylinders using a non-petroleum base hydraulic brake fluid (Service temperature 150 degrees C max.)Road vehicles — Elastomeric seals for hydraulic disc brake cylinders using a non-petroleum base hydraulic brake fluid (Service temperature 150 degrees C max.)
- Document status:
- Withdrawn
- Format:
- Electronic (PDF)
- Number of pages:
- 6
- Publication date:
- August 1, 1978
- Edition:
- ISO IS 4930 edition 1 version 1
- ICS:
- 43.040.40
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.
Technical details
- Technical committee
- ISO/TC 22 - Road vehicles
- SKU
- ISO 4930:1978


