ISO 4930:1978
Road vehicles; Elastomeric seals for hydraulic disc brake cylinders using a non-petroleum base hydraulic brake fluid (Service temperature 150 degrees C max.)

Standard No.

ISO 4930:1978

Release Date

1978

Published By

International Organization for Standardization (ISO)

Status

Withdraw

Replace By

ISO 4930:2006

Latest

ISO 4930:2006

Scope

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.

ISO 4930:1978 history

• 2006 ISO 4930:2006 Road vehicles - Elastomeric seals for hydraulic disc brake cylinders using a non-petroleum base hydraulic brake fluid (Service temperature 150° C max.)
• 1978 ISO 4930:1978 Road vehicles; Elastomeric seals for hydraulic disc brake cylinders using a non-petroleum base hydraulic brake fluid (Service temperature 150 degrees C max.)