Reference number
ISO 4930:1978
© ISO 2024
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.)
Edition 1
1978-08
Withdrawn
Withdrawn (Edition 1, 1978)

Abstract

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.

General information

  • Status
     : Withdrawn
    Publication date
     : 1978-08
    Stage
    : Withdrawal of International Standard [95.99]
  • Edition
     : 1
    Number of pages
     : 6
  • Technical Committee :
    ISO/TC 22
  • RSS updates

Life cycle

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